41 citations · 307 across the 23 of their papers we have counts for
6 papers · 1 filter
Monodromy and chaos for condensed bosons in optical lattices
Geva Arwas, Doron Cohen
We introduce a theory for the stability of a condensate in an optical lattice. We show that the understanding of the stability-to-ergodicity transition involves the fusion of monod…
Chaos, Metastability and Ergodicity in Bose-Hubbard Superfluid Circuits
Geva Arwas, Doron Cohen
The hallmark of superfluidity is the appearance of metastable flow-states that carry a persistent circulating current. Considering Bose-Hubbard superfluid rings, we clarify the rol…
Resonant persistent currents for ultracold bosons on a lattice ring
Geva Arwas, Doron Cohen, Frank Hekking +1
We consider a one-dimensional bosonic gas on a ring lattice, in the presence of a localized barrier, and under the effect of an artificial gauge field. By means of exact diagonaliz…
Superfluidity in Bose-Hubbard circuits
Geva Arwas, Doron Cohen
A semiclassical theory is provided for the metastability regime-diagram of atomtronic superfluid circuits. Such circuits typically exhibit high-dimensional chaos; and non-linear re…
Chaos and two-level dynamics of the Atomtronic Quantum Interference Device
Geva Arwas, Doron Cohen
We study the Atomtronics Quantum Interference Device employing a semiclassical perspective. We consider an site ring that is described by the Bose-Hubbard Hamiltonian. Coherent…
Superfluidity and Chaos in low dimensional circuits
Geva Arwas, Amichay Vardi, Doron Cohen
The hallmark of superfluidity is the appearance of "vortex states" carrying a quantized metastable circulating current. Considering a unidirectional flow of particles in a ring, at…