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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 … 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.

Faraday patterns in bose-Einstein condensates - PubMed

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 … WebApr 18, 2002 · Abstract: The parametrically driven, damped Gross-Pitaevskii equation, which models Bose-Einstein condensates in which the interatomic s-wave scattering length is … hamartomatösen polypen https://thethrivingoffice.com

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WebAug 17, 2012 · We study Faraday patterns in quasi-one-dimensional dipolar Bose-Einstein condensates with parametrically driven dipolar interactions. We show that in the presence of a roton minimum in the excitation spectrum, the emergent Faraday waves differ substantially in two- and one-dimensional geometries, providing a clear example of the … WebJun 17, 2024 · Faraday patterns can be induced in Bose-Einstein condensates by a periodic modulation of the system nonlinearity. We show that these patterns are remarkably different in dipolar gases with a roton ... WebMar 2, 2007 · @article{osti_20957706, title = {Observation of Faraday Waves in a Bose-Einstein Condensate}, author = {Engels, P and Atherton, C and Hoefer, M A and National Institute of Standards and Technology, Boulder, Colorado 80305}, abstractNote = {Faraday waves in a cigar-shaped Bose-Einstein condensate are created. It is shown that … hamartoma skin histopathology

Pattern formation through self-induced parametric resonances …

Category:Faraday patterns in coupled one-dimensional dipolar condensates

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Faraday patterns in bose-einstein condensates

arXiv:1907.03945v1 [cond-mat.quant-gas] 9 Jul 2024

WebJan 15, 2011 · The U.S. Department of Energy's Office of Scientific and Technical Information WebDec 11, 2008 · We investigate the phase fluctuations of a Bose-Einstein condensate in one- (1D) and three-dimensional (3D) elongated harmonic traps with the help of the numerical simulation using classical field approximation. ... Excitation of Faraday patterns in the weak confinement space of low-dimensional Bose-Einstein condensates (BEC) …

Faraday patterns in bose-einstein condensates

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WebBEC in a hybrid trap. We produce large 23 Na Bose-Einstein condensates in a hybrid trap characterized by a weak magnetic field quadrupole and a tightly focused infrared beam. The use of small magnetic field gradients makes the trap compatible with the state-of-the-art magnetic shields. WebPattern formation through self-induced parametric resonances and interfering Bose-Einstein condensates . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link. ...

WebIn this paper, we study the Faraday pattern formation in a superfluid Fermi gas in the BCS-BEC crossover at zero temperature. The physics of Faraday waves in a superfluid Fermi gas is richer than in an atomic Bose-Einstein condensate because the nonlinearity may also drive the microscopic features of the superfluid as described by its equation of state. Webcent experimental implementation of the Faraday waves in Bose-Einstein condensates in the work of Ref. [12]. The actual realization of the spatially modulated pat-terns arose in a somewhat different way than was pro-posed in the above studies, a way which is very close, however, to the spirit of the theoretical suggestion of

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 … WebExcitation of Faraday patterns in the weak confinement space of low-dimensional Bose-Einstein condensates (BEC) by a periodic modulation of the trap frequency, …

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...

WebMagnetization of a half-quantum vortex in a spinor Bose-Einstein condensate Shoichi Hoshi and Hiroki Saito Physical Review A 78, 053618 (2008) arXiv:0808.3315; Spin-vortex nucleation in a Bose-Einstein condensate by a spin-dependent rotating trap Hiroki Chiba and Hiroki Saito Physical Review A 78, 043602 (2008) arXiv:0806.3840 hamasakiruitoついーと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. hamaris joinvilleWebThe 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- hamaskaineWebIf 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 … hamasima yottohamas tunnelsWebApr 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 ... hamatokapitaleWebJun 17, 2024 · We study the Faraday patterns generated by spin-orbit-coupling induced parametric resonance in a spinor Bose-Einstein condensate with repulsive interaction. … hamattko