CAPPONI Sylvain

University Professor

LPT director

Strongly Correlated Systems

sylvain.capponi(at)irsamc.ups-tlse.fr

+33 (0)5 61 55 77 32

My field of research is condensed matter theory, more precisely:

  • strongly correlated electronic systems
  • quantum magnetism, in particular spin liquids
  • SU(N) symmetric systems
  • numerical algorithms for dealing with many-body quantum problem

Recent seminars and talks:

116 documents

Journal articles108 document

  • Sylvain Capponi, Lukas Devos, Philippe Lecheminant, Keisuke Totsuka, Laurens Vanderstraeten. Non-Landau quantum phase transition in modulated SU(N) Heisenberg spin chains. Phys.Rev.B, 2025, 111 (2), pp.L020404. ⟨10.1103/PhysRevB.111.L020404⟩. ⟨hal-04695721⟩
  • Attila Szabo, Sylvain Capponi, Fabien Alet. Noncoplanar and chiral spin states on the way towards Néel ordering in fullerene Heisenberg models. Physical Review B, 2024, 109 (5), pp.054410. ⟨10.1103/PhysRevB.109.054410⟩. ⟨hal-04566181⟩
  • Alexander Wietek, Sylvain Capponi, Andreas M Läuchli. Quantum Electrodynamics in 2+1 Dimensions as the Organizing Principle of a Triangular Lattice Antiferromagnet. Physical Review X, 2024, 14 (2), pp.021010. ⟨10.1103/PhysRevX.14.021010⟩. ⟨hal-04556619⟩
  • Yi Xu, Sylvain Capponi, Ji-Yao Chen, Laurens Vanderstraeten, Juraj Hasik, et al.. Phase diagram of the chiral SU(3) antiferromagnet on the kagome lattice. Phys.Rev.B, 2023, 108 (19), pp.195153. ⟨10.1103/PhysRevB.108.195153⟩. ⟨hal-04170730⟩
  • Loïc Herviou, Sylvain Capponi, Philippe Lecheminant. Even-odd effects in the $J_1-J_2$ SU($N$) Heisenberg spin chain. Phys.Rev.B, 2023, 107 (20), pp.205135. ⟨10.1103/PhysRevB.107.205135⟩. ⟨hal-04038960⟩
  • Juraj Hasik, Glen Bigan Mbeng, Sylvain Capponi, Federico Becca, Andreas M. Läuchli. Symmetric projected entangled-pair states analysis of a phase transition in coupled spin-12 ladders. Phys.Rev.B, 2022, 106 (12), pp.125154. ⟨10.1103/PhysRevB.106.125154⟩. ⟨hal-03795898⟩
  • Pranay Patil, Fabien Alet, Sylvain Capponi, Matthieu Mambrini. Weakly first-order quantum phase transition between spin-nematic and valence-bond crystal order in a square-lattice SU(4) fermionic model. Phys.Rev.B, 2022, 105 (14), pp.L140403. ⟨10.1103/PhysRevB.105.L140403⟩. ⟨hal-03366131⟩
  • Myung-Hoon Chung, Edmond Orignac, Didier Poilblanc, Sylvain Capponi. Ground-state properties of the one-dimensional Hubbard model with pairing potential. Physica B: Condensed Matter, 2021, 604, pp.412665. ⟨10.1016/j.physb.2020.412665⟩. ⟨hal-03083170⟩
  • Ji-Yao Chen, Jheng-Wei Li, Pierre Nataf, Sylvain Capponi, Matthieu Mambrini, et al.. Abelian SU(N)1 chiral spin liquids on the square lattice. Phys.Rev.B, 2021, 104 (23), pp.235104. ⟨10.1103/PhysRevB.104.235104⟩. ⟨hal-03266143⟩
  • Pranay Patil, Fabien Alet, Sylvain Capponi, Kedar Damle. Quantum half-orphans in kagome antiferromagnets. Physical Review Research, 2020, 2 (4), pp.043425. ⟨10.1103/PhysRevResearch.2.043425⟩. ⟨hal-02992620⟩
  • Ji-Yao Chen, Sylvain Capponi, Alexander Wietek, Matthieu Mambrini, Norbert Schuch, et al.. SU(3)$_1$ Chiral Spin Liquid on the Square Lattice: A View from Symmetric Projected Entangled Pair States. Phys.Rev.Lett., 2020, 125 (1), pp.017201. ⟨10.1103/PhysRevLett.125.017201⟩. ⟨hal-02447872⟩
  • Olivier Gauthé, Sylvain Capponi, Matthieu Mambrini, Didier Poilblanc. Quantum spin liquid phases in the bilinear-biquadratic two-SU(4)-fermion Hamiltonian on the square lattice. Phys.Rev.B, 2020, 101 (20), pp.205144. ⟨10.1103/PhysRevB.101.205144⟩. ⟨hal-02497836⟩
  • Sylvain Capponi, P. Fromholz, P. Lecheminant, K. Totsuka. Symmetry-protected topological phases in a two-leg SU(N) spin ladder with unequal spins. Phys.Rev.B, 2020, 101 (19), pp.195121. ⟨10.1103/PhysRevB.101.195121⟩. ⟨hal-02372436⟩
  • Sylvain Capponi, Maxime Dupont, Anders W Sandvik, Pinaki Sengupta. NMR relaxation in the spin-1 Heisenberg chain. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2019, 100 (9), pp.094411. ⟨10.1103/PhysRevB.100.094411⟩. ⟨hal-02292630⟩
  • Didier Poilblanc, Matthieu Mambrini, Sylvain Capponi. Critical colored-RVB states in the frustrated quantum Heisenberg model on the square lattice. SciPost Physics, 2019, 7 (4), pp.041. ⟨10.21468/SciPostPhys.7.4.041⟩. ⟨hal-02362925⟩
  • Olivier Gauthé, Sylvain Capponi, Didier Poilblanc. SU(4) topological resonating valence bond spin liquid on the square lattice. Phys.Rev.B, 2019, 99 (24), pp.241112. ⟨10.1103/PhysRevB.99.241112⟩. ⟨hal-02000196⟩
  • P. Fromholz, Sylvain Capponi, P. Lecheminant, David Papoular, K. Totsuka. Haldane phases with ultracold fermionic atoms in double-well optical lattices. Phys.Rev.B, 2019, 99 (5), pp.054414. ⟨10.1103/PhysRevB.99.054414⟩. ⟨hal-02058539⟩
  • Anna Orlova, Hadrien Mayaffre, S. Krämer, Maxime Dupont, Sylvain Capponi, et al.. Detection of a Disorder-Induced Bose-Einstein Condensate in a Quantum Spin Material at High Magnetic Fields. Physical Review Letters, 2018, 121 (17), pp.177202. ⟨10.1103/PhysRevLett.121.177202⟩. ⟨hal-01926975⟩
  • Maxime Dupont, Sylvain Capponi, Nicolas Laflorencie, Edmond Orignac. Dynamical response and dimensional crossover for spatially anisotropic antiferromagnets. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 98 (9), pp.094403. ⟨10.1103/PhysRevB.98.094403⟩. ⟨hal-01877902⟩
  • Ji-Yao Chen, Laurens Vanderstraeten, Sylvain Capponi, Didier Poilblanc. Non-Abelian chiral spin liquid in a quantum antiferromagnet revealed by an iPEPS study. Phys.Rev.B, 2018, 98 (18), pp.184409. ⟨10.1103/PhysRevB.98.184409⟩. ⟨hal-01851289⟩
  • Ji-Yao Chen, Sylvain Capponi, Didier Poilblanc. Discrete lattice symmetry breaking in a two-dimensional frustrated spin-1 Heisenberg model. Phys.Rev.B, 2018, 98 (4), pp.045106. ⟨10.1103/PhysRevB.98.045106⟩. ⟨hal-01846715⟩
  • Andreas Weichselbaum, Sylvain Capponi, Philippe Lecheminant, Alexei M. Tsvelik, Andreas M. Läuchli. Unified phase diagram of antiferromagnetic SU($N$) spin ladders. Phys.Rev.B, 2018, 98 (8), pp.085104. ⟨10.1103/PhysRevB.98.085104⟩. ⟨hal-01867192⟩
  • Yu-Rong Shu, Maxime Dupont, Dao-Xin Yao, Sylvain Capponi, Anders W Sandvik. Dynamical properties of the S=1/2 random Heisenberg chain. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 97 (10), pp.104424. ⟨10.1103/PhysRevB.97.104424⟩. ⟨hal-01774900⟩
  • Elmer V H Doggen, Gabriel Lemarié, Sylvain Capponi, Nicolas Laflorencie. Weak- versus strong-disorder superfluid—Bose glass transition in one dimension. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 96 (18), pp.180202(R). ⟨10.1103/PhysRevB.96.180202⟩. ⟨hal-01657695⟩
  • Maxime Dupont, Sylvain Capponi, Mladen Horvatić, Nicolas Laflorencie. Competing Bose-glass physics with disorder-induced Bose-Einstein condensation in the doped S = 1 antiferromagnet Ni(Cl(1−x)Br(x))2−4SC(NH2)2 at high magnetic fields. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 96 (2), pp.024442. ⟨10.1103/PhysRevB.96.024442⟩. ⟨hal-01998097⟩
  • Sylvain Capponi. Phase diagram of interacting spinless fermions on the honeycomb lattice. Journal of Physics: Condensed Matter, 2017, 29 (4), pp.043002. ⟨10.1088/1361-648X/29/4/043002⟩. ⟨hal-01430736⟩
  • Maxime Dupont, Sylvain Capponi, Nicolas Laflorencie. Disorder-Induced Revival of the Bose-Einstein Condensation in Ni(Cl1−xBrx)2−4SC(NH2)2 at High Magnetic Fields. Physical Review Letters, 2017, 118 (6), pp.067204. ⟨10.1103/PhysRevLett.118.067204⟩. ⟨hal-01477571⟩
  • Anna Orlova, Rémi Blinder, Edwin Kermarrec, Maxime Dupont, Nicolas Laflorencie, et al.. Nuclear Magnetic Resonance Reveals Disordered Level-Crossing Physics in the Bose-Glass Regime of the Br-Doped Ni(Cl1−xBrx)2−4SC(NH2)2 Compound at a High Magnetic Field. Physical Review Letters, 2017, 118 (6), pp.067203. ⟨10.1103/PhysRevLett.118.067203⟩. ⟨hal-01478853⟩
  • Hui Shao, Yan Q. Qin, Sylvain Capponi, Stefano Chesi, Zi y Meng, et al.. Nearly Deconfined Spinon Excitations in the Square-Lattice Spin-1/2 Heisenberg Antiferromagnet. Physical Review X, 2017, 7 (4), pp.041072. ⟨10.1103/PhysRevX.7.041072⟩. ⟨hal-01691955⟩
  • Rémi Blinder, Maxime Dupont, Sutirtha Mukhopadhyay, Mihael S. Grbić, Nicolas Laflorencie, et al.. Nuclear magnetic resonance study of the magnetic-field-induced ordered phase in the NiCl2−4SC(NH2)2 compound. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 95 (2), pp.020404(R). ⟨10.1103/PhysRevB.95.020404⟩. ⟨hal-01472150⟩
  • Sylvain Capponi. Numerical study of magnetization plateaus in the spin-1/2 Heisenberg antiferromagnet on the checkerboard lattice. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 95 (1), pp.014420. ⟨10.1103/PhysRevB.95.014420⟩. ⟨hal-01472182⟩
  • Shunsuke C. Furuya, Maxime Dupont, Sylvain Capponi, Nicolas Laflorencie, Thierry Giamarchi. Dimensional modulation of spontaneous magnetic order in quasi-two-dimensional quantum antiferromagnets. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2016, 94, pp.144403. ⟨10.1103/PhysRevB.94.144403⟩. ⟨hal-01380953⟩
  • Sylvain Capponi, Philippe Lecheminant, Keisuke Totsuka. Phases of one-dimensional SU(N) cold atomic Fermi gases—From molecular Luttinger liquids to topological phases. Annals of Physics, 2016, 367, pp.50-95. ⟨10.1016/j.aop.2016.01.011⟩. ⟨hal-01311496⟩
  • Daniel Huerga, Sylvain Capponi, Jorge Dukelsky, Gerardo Ortiz. Staircase of crystal phases of hard-core bosons on the Kagome lattice. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2016, 94 (16), pp.165124. ⟨10.1103/PhysRevB.94.165124⟩. ⟨hal-01380960⟩
  • Maxime Dupont, Sylvain Capponi, Nicolas Laflorencie. Temperature dependence of the NMR relaxation rate $1/T_1$ for quantum spin chains. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2016, 94 (14), pp.144409. ⟨10.1103/PhysRevB.94.144409⟩. ⟨hal-01380995⟩
  • Xavier Plat, Fabien Alet, Sylvain Capponi, K. Totsuka. Magnetization plateaus of an easy-axis kagome antiferromagnet with extended interactions. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 92 (17), ⟨10.1103/PhysRevB.92.174402⟩. ⟨hal-01224233⟩
  • Matthieu Mambrini, Sylvain Capponi, Fabien Alet. Engineering SU(2) invariant spin models to mimic quantum dimer physics on the square lattice. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 92 (13), ⟨10.1103/PhysRevB.92.134413⟩. ⟨hal-01222970⟩
  • Sylvain Capponi, A. M. Läuchli. Phase diagram of interacting spinless fermions on the honeycomb lattice: A comprehensive exact diagonalization study. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 92 (8), pp.085146. ⟨10.1103/PhysRevB.92.085146⟩. ⟨hal-01223370⟩
  • V. Bois, Sylvain Capponi, Philippe Lecheminant, M. Moliner. Competing superconducting instabilities in the one-dimensional p-band degenerate cold fermionic system. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 92, pp.075140. ⟨10.1103/PhysRevB.92.075140⟩. ⟨hal-01379385⟩
  • K. Coester, S. Clever, F. Herbst, Sylvain Capponi, K.P. Schmidt. A generalized perspective on non-perturbative linked-cluster expansions. EPL – Europhysics Letters, 2015, 110 (2), pp.20006. ⟨10.1209/0295-5075/110/20006⟩. ⟨hal-01150350⟩
  • Valentin Bois, Sylvain Capponi, Philippe Lecheminant, Marion Moliner, Keisuke Totsuka. Phase diagrams of one-dimensional half-filled two-orbital SU(N) cold fermion systems. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 91, pp.075121. ⟨10.1103/PhysRevB.91.075121⟩. ⟨hal-01152503⟩
  • M. Yoshida, H. Kobayashi, I. Yamauchi, M. Takigawa, Sylvain Capponi, et al.. Real Space Imaging of Spin Polarons in Zn-Doped SrCu2(BO3)2. Physical Review Letters, 2015, 114 (5), pp.056402. ⟨10.1103/PhysRevLett.114.056402⟩. ⟨hal-01053695⟩
  • Xavier Plat, Y. Fuji, Sylvain Capponi, Pierre Pujol. Selection of factorizable ground state in a frustrated spin tube: Order by disorder and hidden ferromagnetism. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 91 (6), pp.064411. ⟨10.1103/PhysRevB.91.064411⟩. ⟨hal-01118993⟩
  • Sylvain Capponi, Saeed S. Jahromi, Fabien Alet, Kai Phillip Schmidt. Baxter-Wu model in transverse magnetic field. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2014, 89 (6), pp.062136. ⟨10.1103/PhysRevE.89.062136⟩. ⟨hal-00982468⟩
  • H. Nonne, M. Moliner, Sylvain Capponi, P. Lecheminant, K. Totsuka. Symmetry-protected topological phases of alkaline-earth cold fermionic atoms in one dimension. EPL – Europhysics Letters, 2013, 102, pp.37008. ⟨10.1209/0295-5075/102/37008⟩. ⟨hal-00910747⟩
  • Sylvain Capponi, P. Lecheminant, M. Moliner. Quantum phase transitions in multileg spin ladders with ring exchange. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 88 (7), pp.075132. ⟨10.1103/PhysRevB.88.075132⟩. ⟨hal-00910749⟩
  • Sylvain Capponi, V. Ravi Chandra, Assa Auerbach, Marvin Weinstein. p6 – Chiral Resonating Valence Bonds in the Kagome Antiferromagnet. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 87, pp.161118(R). ⟨10.1103/PhysRevB.87.161118⟩. ⟨hal-00820969⟩
  • Sylvain Capponi, Oleg Derzhko, Andreas Honecker, Andreas M. Läuchli, Johannes Richter. Numerical study of magnetization plateaux in the spin-1/2 kagome Heisenberg antiferromagnet. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 88 (14), pp.144416. ⟨10.1103/PhysRevB.88.144416⟩. ⟨hal-00910765⟩
  • Xavier Plat, Sylvain Capponi, Pierre Pujol. Combined analytical and numerical approach to magnetization plateaux in one-dimensional spin tube antiferromagnets. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, 85 (17), pp.174423. ⟨10.1103/PhysRevB.85.174423⟩. ⟨hal-00986518⟩
  • K. Totsuka, P. Lecheminant, Sylvain Capponi. Semiclassical Approach to Competing Orders in Two-leg Spin Ladder with Ring-Exchange. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, 86, pp.014435. ⟨10.1103/PhysRevB.86.014435⟩. ⟨hal-00739982⟩
  • H-Y. Yang, A. F. Albuquerque, Sylvain Capponi, A. M. Läuchli, K. P. Schmidt. Effective Spin Couplings in the Mott Insulator of the Honeycomb Lattice Hubbard Model. New Journal of Physics, 2012, 14, pp.115027. ⟨10.1088/1367-2630/14/11/115027⟩. ⟨hal-00758641⟩
  • Philippe Corboz, Sylvain Capponi, Andreas M. Laeuchli, Bela Bauer, Roman Orus. Comment on “Topological quantum phase transitions of attractive spinless fermions in a honeycomb lattice” by Poletti D. et al. EPL – Europhysics Letters, 2012, 98, pp.27005. ⟨10.1209/0295-5075/98/27005⟩. ⟨hal-00694548⟩
  • Carlos Lamas, Sylvain Capponi, Pierre Pujol. Combined analytical and numerical approach to study magnetization plateaux in doped quasi-one-dimensional antiferromagnets. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 84, pp.115125. ⟨10.1103/PhysRevB.84.115125⟩. ⟨hal-00625588⟩
  • Fabricio A. Albuquerque, David Schwandt, B. Hetényi, Sylvain Capponi, Matthieu Mambrini, et al.. Phase Diagram of a Frustrated Quantum Antiferromagnet on the Honeycomb Lattice: Magnetic Order versus Valence-Bond Crystal formation. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 84, pp.024406. ⟨10.1103/PhysRevB.84.024406⟩. ⟨hal-00625596⟩
  • Sylvain Capponi, Fabien Alet, Matthieu Mambrini. Entanglement of quantum spin systems: a valence-bond approach. Modern Physics Letters B, 2011, 25 (12-13), pp.917-928. ⟨10.1142/S0217984911026620⟩. ⟨hal-00984361⟩
  • H. Nonne, E. Boulat, Sylvain Capponi, Philippe Lecheminant. Phase diagram of one-dimensional alkaline-earth cold fermionic atoms. Modern Physics Letters B, 2011, 25, pp.955. ⟨10.1142/S0217984911026668⟩. ⟨hal-00998980⟩
  • H. Nonne, P. Lecheminant, Sylvain Capponi, G. Roux, E. Boulat. Competing orders in one-dimensional half-filled multicomponent fermionic cold atoms: The Haldane-charge conjecture. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 84 (12), pp.125123. ⟨10.1103/PhysRevB.84.125123⟩. ⟨hal-00625340⟩
  • Fabien Alet, Sylvain Capponi, H. Nonne, P. Lecheminant, I. P. Mcculloch. Quantum criticality in the SO(5) bilinear-biquadratic Heisenberg chain. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 83, pp.060407(R). ⟨10.1103/PhysRevB.83.060407⟩. ⟨hal-00587961⟩
  • H. Nonne, E. Boulat, Sylvain Capponi, P. Lecheminant. Competing orders in the generalized Hund chain model at half-filling. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 82, pp.155134. ⟨10.1103/PhysRevB.82.155134⟩. ⟨hal-00528971⟩
  • Daniel Charrier, Sylvain Capponi, Masaki Oshikawa, Pierre Pujol. Quantum phase transitions in three-leg spin tubes. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 82, pp.075108. ⟨10.1103/PhysRevB.82.075108⟩. ⟨hal-00999087⟩
  • D. N. Aristov, C. Brünger, F. F. Assaad, M. N. Kiselev, A. Weichselbaum, et al.. Asymmetric spin-1/2 two-leg ladders: Analytical studies supported by exact diagonalization, DMRG, and Monte Carlo simulations. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 82 (17), pp.174410. ⟨10.1103/PhysRevB.82.174410⟩. ⟨hal-00533606⟩
  • Fabricio A. Albuquerque, Fabien Alet, Clément Sire, Sylvain Capponi. Quantum critical scaling of fidelity susceptibility. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 81, pp.064418. ⟨10.1103/PhysRevB.81.064418⟩. ⟨hal-00461577⟩
  • H. Nonne, P. Lecheminant, Sylvain Capponi, G. Roux, E. Boulat. Haldane charge conjecture in one-dimensional multicomponent fermionic cold atoms. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 81 (2), pp.020408 R. ⟨10.1103/PhysRevB.81.020408⟩. ⟨hal-00450056⟩
  • Fabien Alet, Ian P. Mcculloch, Sylvain Capponi, Matthieu Mambrini. Valence bond entanglement entropy of frustrated spin chains. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 82, pp.094452. ⟨10.1103/PhysRevB.82.094452⟩. ⟨hal-00530430⟩
  • P. Azaria, Sylvain Capponi, P. Lecheminant. Three-Component Fermi Gas in a one-dimensional Optical Lattice. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2009, 80 (4), 041604(R) [4 p.]. ⟨10.1103/PhysRevA.80.041604⟩. ⟨hal-00351440⟩
  • Sylvain Capponi, Didier Poilblanc, F. Mila. Theory of the Raman spectra of the Shastry-Sutherland antiferromagnet SrCu2(BO3)2 doped with nonmagnetic impurities. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2009, 80, pp.094407. ⟨10.1103/PhysRevB.80.094407⟩. ⟨hal-00417582⟩
  • G. Roux, Sylvain Capponi, P. Lecheminant, P. Azaria. Spin 3/2 fermions with attractive interactions in a one-dimensional optical lattice: phase diagrams, entanglement entropy, and effect of the trap. The European Physical Journal B: Condensed Matter and Complex Systems, 2009, 68, pp.293. ⟨10.1140/epjb/e2008-00374-7⟩. ⟨hal-00318684⟩
  • David Schwandt, Fabien Alet, Sylvain Capponi. Quantum Monte Carlo simulations of fidelity at magnetic quantum phase transitions. Physical Review Letters, 2009, 103 (17), pp.170501. ⟨10.1103/PhysRevLett.103.170501⟩. ⟨hal-00426180⟩
  • K. S. D. Beach, Fabien Alet, Matthieu Mambrini, Sylvain Capponi. The SU(N) Heisenberg model on the square lattice: a continuous-N quantum Monte Carlo study. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2009, 80, pp.184401. ⟨10.1103/PhysRevB.80.184401⟩. ⟨hal-00441163⟩
  • Andreas Abendschein, Sylvain Capponi. Effective Theory of Magnetization Plateaux in the Shastry-Sutherland Lattice. Physical Review Letters, 2008, 101 (22), pp.227201. ⟨10.1103/PhysRevLett.101.227201⟩. ⟨hal-00318685⟩
  • Sylvain Capponi, Guillaume Roux, P. Lecheminant, P. Azaria, E. Boulat, et al.. Molecular superfluid phase in one-dimensional multicomponent fermionic cold atoms. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2008, 77 (1), pp.013624. ⟨10.1103/PhysRevA.77.013624⟩. ⟨hal-00152146⟩
  • C. Brünger, F. F. Assaad, Sylvain Capponi, Fabien Alet, D. N. Aristov, et al.. Spin gap and string order parameter in the ferromagnetic Spiral Staircase Heisenberg Ladder: a quantum Monte Carlo study. Physical Review Letters, 2008, 100 (1), pp.017202. ⟨10.1103/PhysRevLett.100.017202⟩. ⟨hal-00169456⟩
  • A. Laeuchli, Sylvain Capponi, F. F. Assaad. Dynamical dimer correlations at bipartite and non-bipartite Rokhsar-Kivelson points. Journal of Statistical Mechanics: Theory and Experiment, 2008, pp.P01010. ⟨10.1088/1742-5468/2008/01/P01010⟩. ⟨hal-00203256⟩
  • Roxana-Viorela Ostaci, Denis Damiron, Sylvain Capponi, Guillaume Vignaud, L. Léger, et al.. Polymer Brushes Grafted to “Passivated” Silicon Substrates Using Click Chemistry. Langmuir, 2008, 24 (6), pp.2732-2739. ⟨hal-00403347⟩
  • Ch. Rüegg, K. Kiefer, B. Thielemann, D. F. Mcmorrow, V. Zapf, et al.. Thermodynamics of the Spin Luttinger Liquid in a Model Ladder Material. Physical Review Letters, 2008, 101, pp.247202. ⟨10.1103/PhysRevLett.101.247202⟩. ⟨hal-00316069⟩
  • Fabien Alet, Sylvain Capponi, Nicolas Laflorencie, Matthieu Mambrini. Valence Bond Entanglement Entropy. Physical Review Letters, 2007, 99 (11), pp.117204. ⟨10.1103/PhysRevLett.99.117204⟩. ⟨hal-00169455⟩
  • Sylvain Capponi, Didier Poilblanc. Thermodynamic properties of the coupled dimer system Cu2(C5H12N2)2Cl4. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 75, pp.092406. ⟨10.1103/PhysRevB.75.092406⟩. ⟨hal-00131298⟩
  • Sylvain Capponi, Guillaume Roux, P. Azaria, E. Boulat, P. Lecheminant. Confinement versus deconfinement of Cooper Pairs in One-Dimensional Spin-3/2 Fermionic Cold Atoms. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 75 (10), pp.100503(R). ⟨10.1103/PhysRevB.75.100503⟩. ⟨hal-00121404⟩
  • Edmond Orignac, R. Citro, Sylvain Capponi, Didier Poilblanc. Breathers and Raman scattering in a two-leg ladder with staggered Dzialoshinskii-Moriya interaction. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 76, pp.144422. ⟨10.1103/PhysRevB.76.144422⟩. ⟨hal-00166733⟩
  • Keisuke Totsuka, Philippe Lecheminant, Sylvain Capponi. A unifying approach to unconventional orders in frustrated spin systems. Journal of Magnetism and Magnetic Materials, 2007, 310 (2), pp.1355-1356. ⟨10.1016/j.jmmm.2006.10.375⟩. ⟨hal-00169919⟩
  • Sylvain Capponi, F. F. Assaad. Spin-nematic phases in models of correlated electron systems: a numerical study. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 75, pp.045115. ⟨10.1103/PhysRevB.75.045115⟩. ⟨hal-00125374⟩
  • Andreas Abendschein, Sylvain Capponi. Contractor-Renormalization approach to frustrated magnets in magnetic field. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 76, pp.064413. ⟨10.1103/PhysRevB.76.064413⟩. ⟨hal-00199374⟩
  • Guillaume Roux, S. R. White, Sylvain Capponi, Didier Poilblanc. Zeeman effect in superconducting two-leg ladders: irrational magnetization plateaus and exceeding the Pauli limit. Physical Review Letters, 2006, 97, pp.087207. ⟨10.1103/PhysRevLett.97.087207⟩. ⟨hal-00015119⟩
  • Sylvain Capponi. Effective Hamiltonian Approach for Strongly Correlated Systems. Theoretical Chemistry Accounts: Theory, Computation, and Modeling, 2006, 116 (4-5), pp.524-534. ⟨10.1007/s00214-006-0090-8⟩. ⟨hal-04908422⟩
  • Martin Indergand, Andreas Laeuchli, Sylvain Capponi, Manfred Sigrist. Bond order wave instabilities in doped frustrated antiferromagnets: “Valence bond solids” at fractional filling. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2006, 74, pp.064429. ⟨10.1103/PhysRevB.74.064429⟩. ⟨hal-00124445⟩
  • Mohamad Al Hajj, Fabien Alet, Sylvain Capponi, Marie-Bernadette Lepetit, Jean-Paul Malrieu, et al.. Parity law of the singlet-triplet gap in graphitic ribbons. The European Physical Journal B: Condensed Matter and Complex Systems, 2006, 51, pp.517. ⟨10.1140/epjb/e2006-00259-9⟩. ⟨hal-00016955v3⟩
  • Cedric Weber, Didier Poilblanc, Sylvain Capponi, Frederic Mila, Cyril Jaudet. Bond-order-modulated staggered-flux phase ofthe $t{-}J$ model on a square lattice. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2006, 74, pp.104506. ⟨10.1103/PhysRevB.74.104506⟩. ⟨hal-00124450⟩
  • Sylvain Capponi, Claudine Lacroix, O. Le Bacq, A. Pasturel, M. D. Nunez-Regueiro. Valence bond state in the delafossite YCuO2.5  . The Journal of physical chemistry, 2006, 18, pp.1-6. ⟨hal-00141065⟩
  • Guillaume Roux, S. R. White, Didier Poilblanc, Sylvain Capponi, A. Laeuchli. Doped two-leg ladder with ring exchange: Exact diagonalization and density matrix renormalization group computations. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2005, 72 (1), pp.014523. ⟨10.1103/PhysRevB.72.014523⟩. ⟨hal-00004757⟩
  • Didier Poilblanc, E. Orignac, S. R. White, Sylvain Capponi. Resonant magnetic mode in superconducting two-leg ladders. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2004, 69 (22), pp.220406. ⟨10.1103/PhysRevB.69.220406⟩. ⟨hal-00133201⟩
  • Sylvain Capponi, Andreas Laeuchli, Matthieu Mambrini. Numerical contractor renormalization method for quantum spin models. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2004, 70 (10), pp.104424. ⟨10.1103/PhysRevB.70.104424⟩. ⟨hal-00003139⟩
  • Sylvain Capponi, Congjun Wu, Shou-Cheng Zhang. Current carrying ground state in a bilayer model of strongly correlated systems. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2004, 70, pp.220505. ⟨10.1103/PhysRevB.70.220505⟩. ⟨hal-00124459⟩
  • Han-Dong Chen, Sylvain Capponi, Fabien Alet, Shou-Cheng Zhang. Global Phase Diagram of the High Tc Cuprates. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2004, 70, pp.024516. ⟨10.1103/PhysRevB.70.024516⟩. ⟨hal-00003142⟩
  • Didier Poilblanc, Douglas J. Scalapino, Sylvain Capponi. Superconducting Gap for a Two-Leg t-J Ladder. Physical Review Letters, 2003, 91 (13), pp.137203. ⟨10.1103/PhysRevLett.91.137203⟩. ⟨hal-00003113⟩
  • D. J. Garcia, K. Hallberg, C. D. Batista, Sylvain Capponi, Didier Poilblanc, et al.. Charge and spin inhomogeneous phases in the Ferromagnetic Kondo Lattice Model. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2002, 65 (13), pp.134444. ⟨10.1103/PhysRevB.65.134444⟩. ⟨hal-00131598⟩
  • Han-Dong Chen, Jian-Ping Hu, Sylvain Capponi, Enrico Arrigoni, Shou-Cheng Zhang. Antiferromagnetism and Hole Pair Checkerboard in the Vortex State of High Tc Superconductors. Physical Review Letters, 2002, 89, pp.137004. ⟨10.1103/PhysRevLett.89.137004⟩. ⟨hal-00003144⟩
  • Sylvain Capponi, Didier Poilblanc. Charge density correlations in t-J ladders investigated by the CORE method. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2002, 66, pp.18053(R). ⟨hal-00128010⟩
  • Kenji Tsutsui, Didier Poilblanc, Sylvain Capponi. Low-frequency current fluctuations in doped ladders. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2001, 65, pp.020406(R). ⟨10.1103/PhysRevB.65.020406⟩. ⟨hal-00131604⟩
  • Nicolas Laflorencie, Sylvain Capponi, E.S. Sørensen. Finite size scaling of the spin stiffness of the antiferromagnetic S=1/2 XXZ chain. The European Physical Journal B: Condensed Matter and Complex Systems, 2001, 24 (1), pp.77-84. ⟨10.1007/s100510170024⟩. ⟨hal-04908248⟩
  • Michael Brunner, Sylvain Capponi, Fakher Assaad, Alejandro Muramatsu. Single hole dynamics in the t−J model on two- and three-leg ladders. Physical Review B, 2001, 63 (18), pp.180511. ⟨10.1103/PhysRevB.63.180511⟩. ⟨hal-04908244⟩
  • Sylvain Capponi, F. Assaad. Spin and charge dynamics of the ferromagnetic and antiferromagnetic two-dimensional half-filled Kondo lattice model. Physical Review B, 2001, 63 (15), pp.155114. ⟨10.1103/PhysRevB.63.155114⟩. ⟨hal-04908236⟩
  • Olivier Chiappa, Sylvain Capponi, Didier Poilblanc. Recent progress in the truncated Lanczos method : application to hole-doped spin ladders. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2001, 63, pp.115120. ⟨10.1103/PhysRevB.63.115120⟩. ⟨hal-00149129⟩
  • E. Dagotto, S. Yunoki, A. Malvezzi, A. Moreo, J. Hu, et al.. Ferromagnetic Kondo model for manganites: Phase diagram, charge segregation, and influence of quantum localized spins. Physical Review B, 1998, 58 (10), pp.6414-6427. ⟨10.1103/PhysRevB.58.6414⟩. ⟨hal-04907517⟩
  • Anders Sandvik, Sylvain Capponi, Didier Poilblanc, Elbio Dagotto. Numerical calculations of the B 1 g Raman spectrum of the two-dimensional Heisenberg model. Physical Review B, 1998, 57 (14), pp.8478-8493. ⟨10.1103/PhysRevB.57.8478⟩. ⟨hal-04907513⟩
  • Sylvain Capponi, Didier Poilblanc, E. Arrigoni. Universal scaling behavior of coupled chains of interacting fermions. Physical Review B, 1998, 57 (11), pp.6360-6369. ⟨10.1103/PhysRevB.57.6360⟩. ⟨hal-04907511⟩
  • Frédéric Mila, C. Stafford, Sylvain Capponi. Persistent currents in a Möbius ladder: A test of interchain coherence of interacting electrons. Physical Review B, 1998, 57 (3), pp.1457-1460. ⟨10.1103/PhysRevB.57.1457⟩. ⟨hal-04907507⟩
  • Sylvain Capponi, Didier Poilblanc, F. Mila. Confinement and transverse conductivity in coupled Luttinger liquids. Physical Review B, 1996, 54 (24), pp.17547-17556. ⟨10.1103/PhysRevB.54.17547⟩. ⟨hal-04907505⟩
  • Didier Poilblanc, H. Endres, F. Mila, M. Zacher, Sylvain Capponi, et al.. One-particle interchain hopping in coupled Hubbard chains. Physical Review B, 1996, 54 (15), pp.10261. ⟨10.1103/PhysRevB.54.10261⟩. ⟨hal-04907503⟩

Proceedings3 document

  • Sylvain Capponi. Classical and quantum spin liquids. Open questions in the quantum many-body problem, Comptes Rendus. Physique, 26 (G1), pp.91-111, 2025, ⟨10.5802/crphys.228⟩. ⟨hal-04910333⟩
  • P. Lecheminant, P. Azaria, E. Boulat, Sylvain Capponi, G. Roux, et al.. TRIONIC AND QUARTETTING PHASES IN ONE-DIMENSIONAL MULTICOMPONENT ULTRACOLD FERMIONS. THE WORKSHOP ON THE STATE OF THE ART IN NUCLEAR CLUSTER PHYSICS (SOTANCP2008), International Journal of Modern Physics E, 17 (10), pp.2110-2117, 2008, ⟨10.1142/S0218301308011185⟩. ⟨hal-04908457⟩
  • Sylvain Capponi. Numerical Contractor Renormalization applied to strongly correlated systems. EFFECTIVE MODELS FOR LOW-DIMENSIONAL STRONGLY CORRELATED SYSTEMS, AIP Conference Proceedings, 816, AIP, pp.16-29, 2006, ⟨10.1063/1.2178028⟩. ⟨hal-04908440⟩

Preprints, Working Papers2 document

  • Ji-Yao Chen, Yi Tan, Sylvain Capponi, Didier Poilblanc, Fei Ye, et al.. Simulating Bulk Gap in Chiral Projected Entangled-Pair States. 2025. ⟨hal-04989437⟩
  • Xiaoxue Ran, Sylvain Capponi, Junchen Rong, Fabien Alet, Zi Yang Meng. Phase transitions and remnants of fractionalization at finite temperature in the triangular lattice quantum loop model. 2024. ⟨hal-04843899⟩

Reports1 document

  • Emmanuelle Lacaze, Georges M Debrégeas, Christophe Arnold, Sylvain Capponi, Delphine Débarre, et al.. Intégrer les enjeux environnementaux à la recherche en Physique. CNRS-INP. 2023. ⟨hal-04255371⟩

Theses1 document

  • Sylvain Capponi. Etude théorique du rôle des processus interchaînes dans des liquides de Luttinger couplés. Matière Condensée [cond-mat]. Université Paul Sabatier – Toulouse III, 1999. Français. ⟨NNT : ⟩. ⟨tel-00008091⟩

HDR thesis1 document

  • Sylvain Capponi. Habilitation à Diriger des Recherches. Matière Condensée [cond-mat]. Université Paul Sabatier – Toulouse III, 2005. ⟨tel-00011628⟩

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