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Real-space construction of crystalline topological superconductors and insulators in 2D interacting fermionic systems
Jian-Hao Zhang, Shuo Yang, Yang Qi +1
The construction and classification of crystalline symmetry protected topological (SPT) phases in interacting bosonic and fermionic systems have been intensively studied in the pas…
Accurate simulation of q-state clock model
Guanrong Li, Kwok Ho Pai, Zheng-Cheng Gu
We accurately simulate the phase diagram and critical behavior of the -state clock model on the square lattice by using the state-of-the-art loop optimization for tensor network…
Gapless quantum spin liquid and global phase diagram of the spin-1/2 - square antiferromagnetic Heisenberg model
Wen-Yuan Liu, Shou-Shu Gong, Yu-Bin Li +3
The nature of the zero-temperature phase diagram of the spin- - Heisenberg model on a square lattice has been debated in the past three decades, which may hold the k…
Chiral SO(4) spin-valley density wave and degenerate topological superconductivity in magic-angle-twisted bilayer-graphene
Chen Lu, Yongyou Zhang, Yu Zhang +6
Starting from a realistic extended Hubbard model for a -orbital tight-binding model on the Honeycomb lattice, we perform a thorough investigation on the possible electron…