Thermal quantum Fisher information and influence of magnetic field distribution in a two-qubit XXZ spin model
XM Liu, GJ Gao, JM Liu - Quantum Information Processing, 2023 - Springer
In this work, we investigate the quantum Fisher information (QFI) of a thermal two-qubit XXZ
Heisenberg spin model. Here, we adopt the average QFI with respect to the local …
Heisenberg spin model. Here, we adopt the average QFI with respect to the local …
Quantum discord in the transverse field XY chains with three-spin interaction
S Lei, P Tong - Physica B: Condensed Matter, 2015 - Elsevier
The ground state quantum discord in the transverse field anisotropic and isotropic XY chains
with XZY–YZX type three-spin interaction has been studied. The three-spin interaction …
with XZY–YZX type three-spin interaction has been studied. The three-spin interaction …
Entanglement and quantum teleportation in a three-qubit Heisenberg chain with three-site interactions
YX Xi, WW Cheng, YX Huang - Quantum Information Processing, 2015 - Springer
The thermal entanglement of a three-qubit XXZ Heisenberg model with three-site
interactions in an external magnetic field, and the quantum teleportation via this model in …
interactions in an external magnetic field, and the quantum teleportation via this model in …
Three-site interacting spin chain in a staggered field: Fidelity versus Loschmidt echo
U Divakaran - Physical Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
We study the the ground state fidelity and the ground state Loschmidt echo of a three-site
interacting XX chain in presence of a staggered field which exhibits special types of …
interacting XX chain in presence of a staggered field which exhibits special types of …
Geometric discord characterize localization transition in the one-dimensional systems
WW Cheng, LY Gong, CJ Shan, YB Sheng… - The European Physical …, 2013 - Springer
We study the localization transition in three typical one-dimensional systems by means of
geometric discord. For the slowly varying potential model, the geometric discord exhibits a …
geometric discord. For the slowly varying potential model, the geometric discord exhibits a …
Measurement-induced disturbance near Anderson localization in one-dimensional systems
WW Cheng, CJ Shan, LY Gong… - Journal of Physics B …, 2014 - iopscience.iop.org
We study the localization transition in several typical one-dimensional single-particle
systems by means of measurement-induced disturbance (MID). The results show that the …
systems by means of measurement-induced disturbance (MID). The results show that the …
Quantum phase transition in dimerised spin-1/2 chains
A Das, S Bhadra, S Saha - Quantum Information Processing, 2015 - Springer
Quantum phase transition in dimerised antiferromagnetic Heisenberg spin chain has been
studied. A staircase structure in the variation of concurrence within strongly coupled pairs …
studied. A staircase structure in the variation of concurrence within strongly coupled pairs …
Effects of XZY-YZX Type Three-Spin Interactions on the Classical and Quantum Correlations of the Transverse Field XX Spin Chain
L Shuguo - njsfdxzrb.paperonce.org
By means of the exact diagonalization method, the classical and quantum correlations
between the nearest-neighbors in transverse field XX spin chain with XZY-YZX type three …
between the nearest-neighbors in transverse field XX spin chain with XZY-YZX type three …
Transmissão de emaranhamento através de cadeias de spins
R Vieira - 2018 - repositorio.ufscar.br
Nesta Tese estudamos a transmissão de estados emaranhados em cadeias de spins não
moduladas. Para isso, propomos uma pequena modificação no modelo isotrópico XY …
moduladas. Para isso, propomos uma pequena modificação no modelo isotrópico XY …