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Open Quantum Systems Decoherence
Quantum Simulation
Escape dynamics of Bose-Hubbard dimer out of a trap
arXiv
Authors: Dmitrii N. Maksimov, Andrey R. Kolovsky
Year
2013
Paper ID
31968
Status
Preprint
Abstract Read
~2 min
Abstract Words
90
Citations
N/A
Abstract
We consider a potential scattering of Bose-Hubbard dimer in 1D optical lattice. A numerical approach based on effective non-Hermitian Hamiltonian has been developed for solving the scattering problem. It allows to compute the tunneling and dissociation probabilities for arbitrary shape of the potential barrier and arbitrary kinetic energy of the dimer. The developed approach has been used to address the problem of two-particle decay out of a trap. In particular, it is shown that the presence of dissociation channels significantly decreases non-escape probability due to single-particle escape to those channels.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- We consider a potential scattering of Bose-Hubbard dimer in 1D optical lattice.
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