23 citations · 75 across the 13 of their papers we have counts for
13 papers
Krylov complexity, mode-resolved complexity and entanglement entropy across phase transitions in the non-Hermitian extended Su-Schrieffer-Heeger model
Ling-Feng Zhang, Wing Chi Yu
We investigate phase transitions in the extended Su-Schrieffer-Heeger (SSH) model with next-nearest-neighbor hoppings and an imaginary staggered chemical potential. In the presence…
Orbital-Selective Mott and Antiferromagnetic Phases in Diagonally Compressed Kagome Lattice
Jiewei Ding, Ho-Kin Tang, Wing Chi Yu
We perform determinant quantum Monte Carlo simulations of the half-filled Hubbard model on a diagonally compressed kagome lattice, introducing exponential decay long-range hopping…
Order parameters and ground-state phase diagram of the interacting topological Su-Schrieffer-Heeger model with extended-range hoppings
Tsz Hin Hui, Pedro D. Sacramento, Wing Chi Yu
Topological insulators have attracted numerous attentions recent years, where the Su-Schrieffer-Heeger (SSH) model is one of the most studied models. While the interacting version…
Beyond Topological Invariants: Order Parameters from Dominant Fock-state Patterns
Tsz Hin Hui, Xiaodan Xia, Pedro D. Sacramento +1
We introduce a general scheme for constructing order parameters (OPs) by extracting generic patterns from the dominant Fock states of many-body ground states. While topological pha…
Evolution of magnetic correlation in doped Hubbard model with altermagnetic spin splitting
Yinlong Li, Rana Imran Mushtaq, Ji Liu +4
The evolution of magnetic correlation in strongly correlated electron systems with altermagentic spin splitting remains largely unexplored. Here we investigate how spin splitting g…
Probing phase transitions in non-Hermitian systems with quantum entanglement
Ling-Feng Zhang, Wing Chi Yu
We study the quantum entanglement and quantum phase transition of the non-Hermitian anisotropic spin- XY model and XXZ model with the staggered imaginary field by anal…
Crossover in the Ordered Phase in the Non-Mermin-Wagner-Hohenberg Regime of Spin Models with Long-Range Coupling
Jiewei Ding, Jiahao Su, Ho-Kin Tang +1
Continuous spin models with long-range interactions of the form , where is the distance between two spins and controls the decay of the interaction, exhibit enhance…
Efficient sampling using Macrocanonical Monte Carlo and density of states mapping
Jiewei Ding, Jiahao Su, Ho-Kin Tang +1
In the context of Monte Carlo sampling for lattice models, the complexity of the energy landscape often leads to Markov chains being trapped in local optima, thereby increasing the…
Entanglement in quenched extended Su-Schrieffer-Heeger model with anomalous dynamical quantum phase transitions
Cheuk Yiu Wong, Tsz Hin Hui, P. D. Sacramento +1
Research on topological models unveils fascinating physics, especially in the realm of dynamical quantum phase transitions (DQPTs). However, the understanding of entanglement struc…
Quantum spin fluctuations in dynamical quantum phase transitions
Cheuk Yiu Wong, Hadi Cheraghi, Wing Chi Yu
Quantum phase transitions have long been studied in their relation to quantum fluctuations. These fluctuations can be quantified as the degree of spin squeezing in spin models, whe…
Rapid detection of phase transitions from Monte Carlo samples before equilibrium
Jiewei Ding, Ho-Kin Tang, Wing Chi Yu
We found that Bidirectional LSTM and Transformer can classify different phases of condensed matter models and determine the phase transition points by learning features in the Mont…
Loschmidt amplitude spectrum in dynamical quantum phase transitions
Cheuk Yiu Wong, Wing Chi Yu
Dynamical quantum phase transitions (DQPTs) are criticalities in the time evolution of quantum systems and their existence has been theoretically predicted and experimentally obser…
Novel Approach to Unveil Quantum Phase Transitions Using Fidelity Map
Ho-Kin Tang, Mohamad Ali Marashli, Wing Chi Yu
Fidelity approach has been widely used to detect various types of quantum phase transitions, including some that are beyond the Landau symmetry breaking theory, in condensed matter…