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Entanglement in two site Bose-Hubbard model

In this paper, we study the decoherence and entanglement properties for the two site Bose-Hubbard model in the presence of a non-linear damping. We apply the techniques of thermo field dynamics and then use Hartree-Fock approximation to solve the corresponding master equation. The expectation values of the approximated field operators appearing in the solution of master equation, are computed self-consistently. We solve this master equation for a small time $t$ so that we get the analytical solution, thereby we compute the decoherence and entanglement properties of the solution of the two-mode bosonic system.

preprint2014arXivOpen access
K. V. S. Shiv ChaitanyaSibasish GhoshV. Srinivasan
quant-ph
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Open access3 authors1 topic
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K. V. S. Shiv ChaitanyaSibasish GhoshV. Srinivasan

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