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Open Quantum Systems Decoherence
Quantum Simulation
Superfluidity in Bose-Hubbard circuits
arXiv
Authors: Geva Arwas, Doron Cohen
Year
2016
Paper ID
42090
Status
Preprint
Abstract Read
~2 min
Abstract Words
79
Citations
N/A
Abstract
A semiclassical theory is provided for the metastability regime-diagram of atomtronic superfluid circuits. Such circuits typically exhibit high-dimensional chaos; and non-linear resonances that couple the Bogoliubov excitations manifest themselves. Contrary to the expectation these resonances do not originate from the familiar Beliaev and Landau damping terms. Rather, they are described by a variant of the Cherry Hamiltonian of celestial mechanics. Consequently we study the induced decay process, and its dependence on the number of sites and of condensed particles.
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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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- A semiclassical theory is provided for the metastability regime-diagram of atomtronic superfluid circuits.
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