66 citations · 269 across the 15 of their papers we have counts for
15 papers
Non-Hermitian Haldane-Hubbard model: Effective description of one- and two-body dissipation
Can Wang, Tian-Cheng Yi, Jian Li +1
Using numerically exact diagonalization, we study the correlated Haldane-Hubbard model in the presence of dissipation. Such dissipation can be modeled at short times by the dynamic…
Dimensional crossover on multileg attractive- Hubbard ladders
Anastasia Potapova, Ian Pilé, Tian-Cheng Yi +2
We study the ground state properties of a polarized two-component Fermi gas on multileg attractive- Hubbard ladders. Using exact diagonalization and density matrix renormalizati…
Higher-order topological insulator in a modified Haldane-Hubbard model
Tian-Cheng Yi, Hai-Qing Lin, Rubem Mondaini
We investigate the ground-state phase diagram of a modified spinless Haldane-Hubbard model with broken threefold rotational symmetry, employing exact diagonalization calculations.…
Exploring unconventional quantum criticality in the p-wave-paired Aubry-André-Harper model
Ting Lv, Yu-Bin Liu, Tian-Cheng Yi +3
We have investigated scaling properties near the quantum critical point between the extended phase and the critical phase in the Aubry-André-Harper model with p-wave pairing, which…
Characterizing quantum criticality and steered coherence in the XY-Gamma chain
Zhuan Zhao, Tian-Cheng Yi, Ming Xue +1
In this paper, we show that an effective spin Hamiltonian with various types of couplings can be engineered using quantum simulators in atomic-molecular-optical laboratories, dubbe…
Recent neutron focusing experiments using polycapillary lens in CSNS
Kai Pan, Xue-Peng Sun, Tian-Cheng Yi +9
Higher neutron current densities can provide convenience for neutron experiments. Using neutron optical focusing elements, large flux beams transported to sample can be achieved. A…
Quantum criticality and universality in the -wave paired Aubry-André-Harper model
Ting Lv, Tian-Cheng Yi, Liangsheng Li +2
We investigate the quantum criticality and universality in Aubry-André-Harper (AAH) model with -wave superconducting pairing in terms of the generalized fidelity susceptibil…
Hamming Distance and the onset of quantum criticality
Tian-Cheng Yi, Richard T. Scalettar, Rubem Mondaini
Simulating models for quantum correlated matter unveils the inherent limitations of deterministic classical computations. In particular, in the case of quantum Monte Carlo methods,…
Interplay of interactions, disorder and topology in the Haldane-Hubbard model
Tian-Cheng Yi, Shijie Hu, Eduardo V. Castro +1
We investigate the ground-state phase diagram of the spinless Haldane-Hubbard model in the presence of quenched disorder, contrasting results obtained from both exact diagonalizati…
Lifshitz phase transitions in one-dimensional Gamma model
Zi-An Liu, Tian-Cheng Yi, Jin-Hua Sun +2
In this paper, we study quantum phase transitions and magnetic properties of a one-dimensional spin-1/2 Gamma model, which describes the off-diagonal exchange interactions between…
Criticality and factorization in the Heisenberg chain with Dzyaloshinskii-Moriya interaction
Tian-Cheng Yi, Wen-Long You, Ning Wu +1
In this work, we address the ground state properties of the anisotropic spin-1/2 Heisenberg XYZ chain under the interplay of magnetic fields and the Dzyaloshinskii-Moriya (DM) inte…
Quantum coherence in a compass chain under an alternating magnetic field
Wen-Long You, Yimin Wang, Tian-Cheng Yi +2
We investigate quantum phase transitions and quantum coherence in a quantum compass chain under an alternating transverse magnetic field. The model can be analytically solved by th…
Dynamical patterns of phase transformations from self-trapping of quantum excitons
Tianyou Yi, Natasha Kirova, Serguei Brazovskii
Phase transitions induced by short optical pulses is a new mainstream in studies of cooperative electronic states. Its special realization in systems with neutral-ionic transformat…
Modeling of dislocations in a CDW junction: interference of the CDW and the normal carriers
Alvaro Rojo Bravo, Tianyou Yi, Natasha Kirova +1
We derive and study equations for dissipative transient processes in a constraint incommensurate charge density wave (CDW) with remnant pockets or a thermal population of normal ca…
Multi-vortex dynamics in junctions of charge density waves
T. Yi, A. Rojo-Bravo, N. Kirova +1
Ground state reconstruction by creation of topological defects in junctions of CDWs is a convenient playground for modern efforts of field-effect transformations in strongly correl…