Recent Talks

2024

• From quantum entanglement to fractional Chern Insulator – a few interesting recent topics in quantum many-body computation [PDF]
Speaker: Zi Yang Meng
(ISSP Theory Workshop: Correlated Quantum Materials + beyond, Institute for Solid State Physics
, Kashiwa, Japan, Nov 18 - 29, 2024)
Poster:
1 An analog of topological entanglement entropy for mixed states - Ting-Tung Wang [PDF]
2 Entanglement entropy in quantum phase transitions - Menghan Song [PDF]
3 Ground state and low energy spectrum of Kagome antiferromagnet YCu3-Br/Cl - Chengkang Zhou [PDF]

• From quantum entanglement to fractional Chern Insulator — the recent trend in quantum many-body computation [Video]
Speaker: Zi Yang Meng
( ⁠Progress in Physics 2024: Condensed Matter, Institute of Physics, London, UK, Oct 9 - 10, 2024)

• Transitions, Excitations, FCI (FAQH), Correlated Flat Bands [PDF]
Speaker: Zi Yang Meng
(CT.QMAT24: International Conference on Complexity and Topology in Quantum Matter, Dresden, Germany, Sep 23 - 27, 2024)

• Continuous Transition between Bosonic Fractional Chern Insulator and Superfluid [PDF]
Speaker: Hongyu Lu
(CT.QMAT24: International Conference on Complexity and Topology in Quantum Matter, Dresden, Germany, Sep 23 - 27, 2024)

• Phase diagram of quantum loop model on triangular lattice [PDF]
Speaker: Xiaoxue Ran and Zi Yang Meng
(Topological Quantum Matter in Magnetic and Synthetic Platforms, Max Planck Institute for the Physics of Complex Systems, Dresden, Germany, July 8 - 12, 2024)

• Pride and Prejudice -- QMC Discussion [PDF]
Speaker: Zi Yang Meng and Fakher Assaad
(Workshop on Exotic quantum matter from quantum spin liquids to novel field theories, Pollica Phyics Center, Castello dei Principi Capano, Pollica (SA), Italy, June 17 - 24, 2024)

• Phases of (2+1)D SO5 non-linear sigma model with WZW term on a sphere: Multi-critical point and disorder phase [PDF]
Speaker: Bin-Bin Chen
(The 12th Workshop on Quantum Many-Body Computation, Northwest University, Xi'an, China, April 12 - 14, 2024)

• Entanglement entropy at the deconfined quantum critical points [Video]
Speaker: Zi Yang Meng
(KITP Program: Correlated Gapless Quantum Matter, UC Santa Barbara, Kavli Institute for Theoretical Physics, Mar 18 - May 24, 2024)

2023

• The Catcher in the Rye of Deconfinement [Video]
Speaker: Zi Yang Meng
(Conference on Fractionalization and Emergent Gauge Fields in Quantum Matter, The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy, Dec 4 - 8, 2023)

• The learning of entanglement on quantum criticalities [PDF]
Speaker: Zi Yang Meng
(Tensor Network States: Algorithms and Applications 2023, Shanghai Jiao Tong University, Shanghai, China, Aug 21 - 24, 2023)
(Workshop on Many-Body Computation 2023, Minjiang University, Fujian, China, Aug 6 - 19, 2023)
(Workshop on Quantum Monte Carlo Methods at Work for Describing Novel States of Matter, The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy, Jul 10 - 14, 2023)

• Ubiquitous nematic Dirac semimetal emerging from interacting quadratic band touching system [PDF]
Speaker: Hongyu Lu
(Tensor Network States: Algorithms and Applications 2023, Shanghai Jiao Tong University, Shanghai, China, Aug 21 - 24, 2023)

• Phases of (2+1)D SO(5) non-linear sigma model with topological term on a sphere [PDF]
Speaker: Bin-Bin Chen
(Tensor Network States: Algorithms and Applications 2023, Shanghai Jiao Tong University, Shanghai, China, Aug 21 - 24, 2023)

• Detective Dr. Dragon on the Polynomial Sign Problem in Twisted Bilayer Graphene
[PDF]
Speaker: Zi Yang Meng
(Workshop on Many-Body Computation 2023, Minjiang University, Fujian, China, Aug 6 - 19, 2023)
(Julian Schwinger Foundation Workshop on the Fermion Sign Problem, Julian Schwinger Foundation, Peyresq, France,  July 23 - 30 2023)

• Quantum phases of SrCu2(BO3)2 from high-pressure thermodynamics and entanglement measurement of deconfined quantum criticality
Speaker: Zi Yang Meng
(Quantum Magnetism and Topology, Lahan Hotel, Pohang, Korea, Jun 27 - 29, 2023)

• Transport in twisted bilayer graphene [PDF]
Speaker: Xu Zhang
(Twisted bilayer graphene and other Moiré superlattice singularity academic exchange meeting, The Hong Kong University of Science and Technology, HKSAR, China, Jun 22, 2023)

2022