Squeezed Atom Laser for Bose-Einstein Condensate with Minimal Length
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-019-04190-9
Abstract: We study a protocol for constructing a squeezed atom laser for a model originating from the generalized uncertainty principle. We show that the squeezing effects arising from such systems do not require any squeezed light… read more here.
Keywords: einstein condensate; bose einstein; atom laser; laser bose ... See more keywords
Vortex Shedding from an Object Moving in Superfluid $$^4\hbox {He}$$4He at mK Temperatures and in a Bose–Einstein Condensate
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-016-1653-2
Abstract: Vortex shedding from a microsphere oscillating in superfluid $$^4\hbox {He}$$4He at mK temperatures is compared with that from a laser beam moving in a Bose–Einstein condensate as observed by other authors. In particular, in either… read more here.
Keywords: vortex shedding; einstein condensate; bose einstein; hbox 4he ... See more keywords
Waves in a Bose–Einstein Condensate of Atoms with a Dipole Moment
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-019-02272-w
Abstract: Based on the modified Gross–Pitaevskii equation for atoms with intrinsic dipole moments, which accounts for the relaxation of a condensate, the dipole–dipole interaction and the interaction of atoms with the electromagnetic field, the propagation of… read more here.
Keywords: einstein condensate; condensate atoms; bose einstein; atoms dipole ... See more keywords
Stabilization and synchronization of Bose–Einstein condensate systems by single input linear controllers☆
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.05.044
Abstract: Abstract This paper investigates the control problems of the Bose–Einstein condensate (BEC) system. Firstly, a new linear feedback control method for the control problems of a class of chaotic systems in any dimension based on… read more here.
Keywords: einstein condensate; input linear; bose einstein; stabilization synchronization ... See more keywords
Solitons and modulation instability for the three-component Gross-Pitaevskii equations in the spinor Bose-Einstein condensate
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DOI: 10.1016/j.ijleo.2017.06.043
Abstract: Abstract Under investigation in this paper are the three-component Gross-Pitaevskii equations in the spinor Bose-Einstein condensate. We derive the one- and two-soliton solutions for the one, two and three components of the spinor Bose-Einstein condensate.… read more here.
Keywords: einstein condensate; bose einstein; component gross; three component ... See more keywords
Dissipative evolution of two-mode Bose–Einstein condensate in the presence of nonlinear interactions: Heisenberg operator approach
Sign Up to like & getrecommendations! Published in 2019 at "Physica A: Statistical Mechanics and its Applications"
DOI: 10.1016/j.physa.2018.09.110
Abstract: Abstract In this paper we study the qualitative dynamical evolution of atomic population imbalance and tunneling current between two Bose–Einstein condensate (BEC) interacting with each other in the presence of the intra- and inter-species collisions… read more here.
Keywords: population imbalance; heisenberg operator; bose einstein; einstein condensate ... See more keywords
Spontaneous spin bifurcations in a Bose-Einstein condensate of indirect excitons
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2016.11.044
Abstract: Abstract In this paper, we theoretically study the spin dynamics of a spatially trapped Bose-Einstein condensate of indirect excitons (IXs). A spontaneous parity-symmetry breaking spin bifurcation for bright excitons is reported under non-resonant linearly polarized… read more here.
Keywords: einstein condensate; spontaneous spin; bose einstein; spin bifurcations ... See more keywords
Exact Analytical Model for Bose-Einstein Condensate at Negative Temperature
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DOI: 10.1038/s41598-020-65765-9
Abstract: We present an exact analytical model of a cigar-shaped Bose-Einstein condensate at negative temperature. This work is motivated by the first experimental discovery of negative temperature in Bose-Einstein condensate by Braun et al . We… read more here.
Keywords: einstein condensate; temperature; bose einstein; condensate ... See more keywords
Stable double-pair skyrmion in an antiferromagnetic F = 1 Bose–Einstein condensate
Sign Up to like & getrecommendations! Published in 2017 at "New Journal of Physics"
DOI: 10.1088/1367-2630/aa7330
Abstract: The recent experimental realization of spin-orbit coupling (SOC) in spin-1 ultracold atoms opens up an interesting avenue for exploring new quantum states and novel quantum phenomena in large-spin systems. Two types of two-dimensional double-pair vortices… read more here.
Keywords: einstein condensate; pair; bose einstein; double pair ... See more keywords
Shortcut loading a Bose–Einstein condensate into an optical lattice
Sign Up to like & getrecommendations! Published in 2018 at "New Journal of Physics"
DOI: 10.1088/1367-2630/aac11b
Abstract: We present an effective and fast (few microseconds) procedure for transferring a Bose–Einstein condensate from the ground state in a harmonic trap into the desired bands of an optical lattice. Our shortcut method is a… read more here.
Keywords: einstein condensate; optical lattice; lattice shortcut; bose einstein ... See more keywords
Cloud shape of a molecular Bose–Einstein condensate in a disordered trap: a case study of the dirty boson problem
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab73cb
Abstract: We investigate, both experimentally and theoretically, the static geometric properties of a harmonically trapped Bose-Einstein condensate of ${}^6$Li$_2$ molecules in laser speckle potentials. Experimentally, we measure the in-situ column density profiles and the corresponding transverse… read more here.
Keywords: shape molecular; disorder; bose einstein; cloud shape ... See more keywords