3 papers
cond-mat.str-el2017
Reorthonormalization of Chebyshev matrix product states for dynamical correlation functions
H. D. Xie, R. Z. Huang, X. J. Han +5
The Chebyshev expansion offers a numerically efficient and easy-implement algorithm for evaluating dynamic correlation functions using matrix product states (MPS). In this approach…
cond-mat.str-el2017
Optimized contraction scheme for tensor-network states
Z. Y. Xie, H. J. Liao, R. Z. Huang +4
In the tensor-network framework, the expectation values of two-dimensional quantum states are evaluated by contracting a double-layer tensor network constructed from initial and fi…
cond-mat.str-el2016
Gapless spin-liquid ground state in the kagome antiferromagnet
H. J. Liao, Z. Y. Xie, J. Chen +5
Frustrated quantum magnetism has moved to the forefront of physics research, posing fundamental questions concerning quantum disordered states, entanglement, topology and the natur…