Modeling spontaneous breaking of time-translation symmetry
K Sacha - Physical Review A, 2015 - APS
We show that an ultracold atomic cloud bouncing on an oscillating mirror can reveal
spontaneous breaking of a discrete time-translation symmetry. In many-body simulations, we …
spontaneous breaking of a discrete time-translation symmetry. In many-body simulations, we …
Fermi-Ulam problem for solitons
NN Rosanov, NV Vysotina - Physical Review A, 2015 - APS
Dynamics of solitons in a one-dimensional trap with motionless and moving walls is studied
by the example of bright solitons of an atomic Bose-Einstein condensate. Newton-type …
by the example of bright solitons of an atomic Bose-Einstein condensate. Newton-type …
Interactions of Bose–Einstein-condensate oscillons
NV Vysotina, NN Rosanov, AN Shatsev - Optics and Spectroscopy, 2018 - Springer
The interaction of two one-dimensional spatial vector structures of a Bose–Einstein atomic
condensate in a trap with significant transverse dimensions and oscillating walls has been …
condensate in a trap with significant transverse dimensions and oscillating walls has been …
[HTML][HTML] Bouncing dynamics of Bose–Einstein condensates under the effects of gravity
GA Sekh - Physics Letters A, 2017 - Elsevier
Bouncing dynamics of quasi-one dimensional Bose–Einstein condensates (BECs) falling
under gravity on delta-function potentials is investigated. First, we consider a single …
under gravity on delta-function potentials is investigated. First, we consider a single …
Control of matter-wave solitons using an accelerating atomic mirror
W Xiong, P Gao, ZY Yang… - Journal of Physics B …, 2022 - iopscience.iop.org
We present a possible way to control matter-wave solitons, which is through the collision
between solitons and an accelerating atomic mirror. The acceleration of the mirror has a …
between solitons and an accelerating atomic mirror. The acceleration of the mirror has a …
Levitating soliton of the Bose–Einstein condensate
NV Vysotina, NN Rosanov - Journal of Experimental and Theoretical …, 2016 - Springer
We have proposed a mechanical model that corresponds to the Newton equation for
describing the dynamics of an oscillon, viz., a soliton-like cluster of the Bose–Einstein …
describing the dynamics of an oscillon, viz., a soliton-like cluster of the Bose–Einstein …
Quasi one-dimensional Bose–Einstein condensate in a gravito-optical surface trap
We study both static and dynamic properties of a weakly interacting Bose–Einstein
condensate (BEC) in a quasi one-dimensional gravito-optical surface trap, where the …
condensate (BEC) in a quasi one-dimensional gravito-optical surface trap, where the …
Effective dynamics of the quantum falling particle
G Chacón-Acosta… - European Journal of …, 2020 - iopscience.iop.org
We analyze the problem of a quantum particle falling under the influence of a one-
dimensional constant gravitational field, also known as the bouncing ball, employing a …
dimensional constant gravitational field, also known as the bouncing ball, employing a …
Dynamics of self-reinforcing matter-wave in gravito-optical surface trap
GA Sekh, P Kalikotay - Chaos: An Interdisciplinary Journal of Nonlinear …, 2019 - pubs.aip.org
We consider matter-wave solitons/oscillons in the presence of gravito-optical surface traps
within the framework of mean-field equations. We pay special attention to the dynamics of …
within the framework of mean-field equations. We pay special attention to the dynamics of …
Coupled matter-wave solitons on oscillating reflectors under the effects of gravity
KK Dey, GA Sekh - Chaos: An Interdisciplinary Journal of Nonlinear …, 2022 - pubs.aip.org
We consider coupled matter-waves solitons in Bose–Einstein condensates and study the
dynamics under the combined effects of gravity and reflecting potential. The dynamics of …
dynamics under the combined effects of gravity and reflecting potential. The dynamics of …