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quant-ph2019
Quantum phase transitions and critical behaviors in the two-mode three-level quantum Rabi model
Yan Zhang, Bin-Bin Mao, Dazhi Xu +4
We explore an extended quantum Rabi model describing the interaction between a two-mode bosonic field and a three-level atom. Quantum phase transitions of this few degree of freedo…
quant-ph2019★ 8 cited
An analytical variational method for the biased quantum Rabi model in the ultra-strong coupling regime
Bin-Bin Mao, Maoxin Liu, Wei Wu +3
An analytical variational method for the ground state of the biased quantum Rabi model in the ultra-strong coupling regime is presented. This analytical variational method can be o…
quant-ph2019★ 16 cited
Variational generalized rotating-wave approximation in the two-qubit quantum Rabi model
Bin-Bin Mao, Liangsheng Li, Yimin Wang +4
We present an analytical method for the two-qubit quantum Rabi model. While still operating in the frame of the generalized rotating-wave approximation (GRWA), our method further e…