18 citations · 55 across the 6 of their papers we have counts for
6 papers
Quantum information analysis of quantum phase transitions in a one-dimensional V1-V2 hard-core-boson model
Jie Ren, Xuefen Xu, Liping Gu +1
The entanglement entropy and quantum fidelity in a hard-core-boson model with nearest- and next-nearest-neighbor interactions are studied numerically. By using exact diagonalizatio…
Closed and Open System Dynamics in a Fermionic Chain with a Microscopically Specified Bath: Relaxation and Thermalization
N. Sedlmayr, J. Ren, F. Gebhard +1
We study thermalization in a one-dimensional quantum system consisting of a noninteracting fermionic chain with each site of the chain coupled to an additional bath site. Using a d…
Quench Dynamics of Entanglement in an Opened Anisotropic Spin-1/2 Heisenberg Chain
Jie Ren, Shiqun Zhu
The quantum entanglement dynamics of a one-dimensional spin-1/2 anisotropic XXZ model is studied using the method of the adaptive time-dependent density-matrix renormalization-grou…
Entanglement, fidelity, and quantum phase transition in antiferromagnetic-ferromagnetic alternating Heisenberg chain
Jie Re, Shiqun Zhu
The fidelity and entanglement entropy in an antiferromagnetic-ferromagnetic alternating Heisenberg chain are investigated by using the method of density-matrix renormalization-grou…
Long-range entanglement in the XXZ Heisenberg spin chain after a local quench
Jie Ren, Shiqun Zhu
The long-range entanglement dynamics of an one-dimensional spin-1/2 anisotropic XXZ model are studied using the method of the adaptive time-dependent density-matrix renormalization…
Fidelity and entanglement close to quantum phase transition in a two-leg spin ladder
Jie Ren, Shiqun Zhu
The fidelity susceptibility and entanglement entropy in a system of two-leg spin ladder with rung coupling is investigated by using exact diagonalization of the system. The e…