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Armenian Journal of Physics=Ֆիզիկայի հայկական հանդես
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Title:
Particle-Hole Ansatz in the Jaynes-Cummings-Hubbard Model
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Uncontrolled Keywords:
Jaynes-Cummings-Hubbard model ; Jaynes-Cummings model ; recurrence relation ansatz ; Mott-to-superfluid phase transition
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Abstract:
A recurrence relation ansatz between annihilation operators applied to the hopping interaction term of the Jaynes-Cummings-Hubbard model (JCHM) reduces the JCHM to that of the ordinary Jaynes-Cummings model (JCM), albeit, with a boson energy depending on the hopping strength. This allows us to calculate the phase diagram for the Mott-to-superfluid phase transition and the critical hopping strength as a function of the detuning.