Exact solution to the quantum Rabi model within Bogoliubov operators

Details Exact solution to the quantum Rabi model within Bogoliubov operators Exact solution to the quantum Rabi model within Bogoliubov operators

2012-04-16

arxiv.org/abs/1204.3668v1

Physics

Quantum Physics

4 pages

Scientific paper

The quantum Rabi model can be solved exactly by the Bargmann transformation from real coordinate to complex variable recently [Phys. Rev. Lett. 107, 100401 (2011)]. Within the extended coherent states, we recover this solution in an alternative simpler and perhaps more physical way. The extended coherent states are essentially Fock states in the space of the corresponding Bogoliubov operators. The present approach could be extended to various spin-boson systems with multi-level, even multi-photon.

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