Berry Phase of Two Impurity Qubits as a Signature of Dicke Quantum Phase Transition
W Lu, C Zhai, Y Liu, Y Song, J Yuan, S Tang - Photonics, 2022 - mdpi.com
In this paper, we investigate the effect of the Dicke quantum phase transition on the Berry
phase of the two impurity qubits. The two impurity qubits only have dispersive interactions …
phase of the two impurity qubits. The two impurity qubits only have dispersive interactions …
Robust entanglement and steering in open Dicke models with individual atomic spontaneous emission and dephasing
S Zhou, W Deng, H Tan - Optics Express, 2023 - opg.optica.org
In this paper, we study steady-state quantum entanglement and steering in an open Dicke
model where cavity dissipation and individual atomic decoherence are taken into account …
model where cavity dissipation and individual atomic decoherence are taken into account …