Faraday patterns in bose-einstein condensates
WebJul 12, 2004 · Excitation of Faraday patterns in the weak confinement space of low-dimensional Bose-Einstein condensates (BEC) by a periodic modulation of the trap frequency, Ω tight, in the tight confinement space is shown.For slow modulation the low-dimensional dynamics of the BEC in the weak confinement space is described by a … WebApr 18, 2002 · German J. de Valcarcel The parametrically driven, damped Gross-Pitaevskii equation, which models Bose-Einstein condensates in which the interatomic s-wave scattering length is modulated in time, is shown to support spatially modulated states in the form of rolls.
Faraday patterns in bose-einstein condensates
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WebExcitation of Faraday patterns in the weak confinement space of low-dimensional Bose-Einstein condensates (BEC) by a periodic modulation of the trap frequency, … WebTo better understand how these patterns emerge, we study Faraday waves in a tiny quantum fluid of ultracold atoms, known as a Bose-Einstein condensate (BEC). As expected, we observe regular Faraday wave patterns when the shaking frequency is close to one of the critical values, but surprisingly, we find that far from those, the BEC …
WebSep 20, 2024 · By taking the dynamics of Bose-Einstein condensates in a double-well potential as an example, we show that our new method makes a highly efficient pre … WebApr 10, 2024 · Download Citation Quasi-one-dimensional harmonically trapped quantum droplets We theoretically consider effectively one-dimensional quantum droplets in a symmetric Bose-Bose mixture confined ...
WebJul 9, 2012 · Moreover, Faraday patterns constitute an excellent tool to study non-local effects in polar gases, as we illustrate for two parallel quasi-one-dimensional dipolar condensates. Non-local interactions between the condensates give rise to an excitation spectrum characterized by symmetric and anti-symmetric modes, even in the absence of … WebIf two different sinusoidal forcings are applied to the same fluid, patterns can appear on different scales—these are called superlat-tice patterns [3], [4]. It has been shown …
WebThe formation of Faraday patterns in driven systems is a general phenomenon occurring in scenarios ranging from hydrodynamicsand non-linearoptics, to liquid crys-tals and chemical reactions [1]. Faraday patterns may be observed in Bose-Einstein condensates (BECs) by mod-ulating the nonlinearity arising from the interatomic in-
WebDec 12, 2007 · Abstract Motivated by recent experiments on Faraday waves in Bose-Einstein condensates we investigate both analytically and numerically the dynamics of cigar-shaped Bose-condensed gases subject to periodic modulation of the strength of the transverse confinement. huntington townhomesWebJun 1, 2024 · (c) Atoms in a Bose-Einstein condensate are given linear momentum kicks by exploiting suitable optical pulses, according to the coupling scheme shown in the central part. The interference of... huntington town hall receiver of taxesWebMar 25, 2024 · For the study of the Faraday instability of inviscid bounded fluids, container-bounded Faraday waves have been employed to create standing patterns in inviscid liquids [11,38], in analogy... mary ann mcalpine baker waycross gaWebRecent theoretical and experimental results show that one-dimensional (1D) weakly interacting atomic Bose-Bose mixtures with repulsive interspecies mean field (MF) interaction are stabilized by attractive quadratic beyond-mean-field (BMF) effects mary ann mcbreenWebThe patterns are analogous to the Faraday waves excited in vertically vibrated liquids. Temporal periodic modulation of the scattering length in Bose-Einstein condensates is shown to excite subharmonic patterns of atomic density through a parametric resonance. huntington town hall telephone numberWebApr 24, 2002 · Download PDF Abstract: Temporal periodic modulation of the interatomic s-wave scattering length in Bose-Einstein condensates is shown to excite subharmonic … huntington townhomes apartmentsWebJan 20, 2024 · We report an investigation on Bose-Einstein condensates with two-body (cubic) and three-body (quintic) interactions in the corresponding nonlinear Schrödinger equation, considering \(s-\) wave two-body scattering length \(a_s\) periodically varying in time. For the quintic interacting term, the dependence on \(a_s\) was considered within … huntington townhomes apartments shelton ct