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- Nanjing UniversityCN444 papers
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Showing 2014 · quant-phShow all
3 papers · 2 filters
quant-ph2014★ 38 cited
Generalized rotating-wave approximation to the two-qubit and cavity coupling system
Yu-Yu Zhang, Qing-Hu Chen
The generalized rotating-wave approximation (GRWA) is presented for the two-qubit and cavity coipling system . The analytical expressions in the zeroth order approximation recover…
quant-ph2014★ 25 cited
Concise analytic solutions to the quantum Rabi model with two arbitrary qubits
Liwei Duan, Shu He, Qing-Hu Chen
Using extended coherent states, an analytical exact study has been carried out for the quantum Rabi model (QRM) with two arbitrary qubits in a very concise way. The -functions w…
quant-ph2014★ 15 cited
Exact solvability, non-integrability, and genuine multipartite entanglement dynamics of the Dicke model
Shu He, Liwei Duan, Qing-Hu Chen
In this paper, the finite size Dicke model of arbitrary number of qubits is solved analytically in an unified way within extended coherent states. For the or Dicke mo…