搜索结果: 31-45 共查到“理学 Bose-Einstein Condensates”相关记录85条 . 查询时间(0.154 秒)
Synthetic magneto-hydrodynamics in Bose-Einstein condensates and routes to vortex nucleation
Synthetic magneto-hydrodynamics Bose-Einstein condensates routes to vortex nucleation
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2010/11/24
Engineering of synthetic magnetic ux in Bose-Einstein condensates [Lin et al., Nature 462, 628
(2009)] has prospects for attaining the high vortex densities necessary to emulate the fractional quantu...
Phase diffusion of a two-component Bose-Einstein condensates: exact and short-time solutions for arbitrary coherent spin state
two-component Bose-Einstein condensates arbitrary coherent spin state
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2010/11/23
We investigate phase diffusion of a two-component Bose-Einstein condensates prepared initially in arbitrary coherent spin state |θ0, φ0i. Analytical expression of the phase-diffusion time is presented...
Mach-Zehnder interferometry with interacting trapped Bose-Einstein condensates
interferometry interacting Bose-Einstein condensates
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2010/11/5
We study trapped Bose-Einstein condensate interferometers in presence of interactions during the whole interferometer sequence with number squeezed input states. We find that a Mach-Zehnder (or Ramsey...
Photon-photon gates in Bose-Einstein condensates
Photon-photon gates Bose-Einstein condensates
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2010/10/29
It has recently been shown that light can be stored in Bose-Einstein condensates for over a second. Here we propose a method for realizing a controlled phase gate between two stored photons. The phot...
Time-dependent self-trapping of Bose-Einstein Condensates in a double-well potential
Time-dependent self-trapping Bose-Einstein Condensates double-well potential
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2010/10/27
Based on the mean-field approximation and the phase space analysis, we discuss the dynamics
of Bose-Einstein condensates in a double-well potential. By applying a periodic modulation to the coupling ...
Momentum-space engineering of gaseous Bose-Einstein condensates
Momentum-space engineering gaseous Bose-Einstein condensates
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2010/10/21
We show how the momentum distribution of gaseous Bose–Einstein condensates can be shaped
by applying a sequence of standing–wave laser pulses. We present a theory of the effect of such a pulse sequen...
Non-Linear Dynamics of Continuously Measured Bose-Einstein Condensates in One-Dimensional Harmonic Traps
Non-Linear Dynamics Bose-Einstein Condensates One-Dimensional Harmonic Traps
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2010/10/18
Continuous center-of-mass position measurements performed on an interacting harmonically
trapped Bose-gas are considered. Using both semi-analytical mean-field approach and completely
quantum numeri...
Analytical three-dimensional bright solitons and soliton-pairs in Bose-Einstein condensates with time-space modulation
Analytical three-dimensional bright solitons soliton-pairs in Bose-Einstein condensates time-space modulation
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2010/12/15
We provide analytical three-dimensional bright multi-soliton solutions to the (3+1)-dimensional
Gross-Pitaevskii (GP) equation with time and space-dependent potential, time-dependent nonlinearity,and...
Anderson localization in Bose-Einstein condensates
Anderson Bose-Einstein condensates
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2010/10/21
The understanding of disordered quantum systems is still far from being complete, despite many
decades of research on a variety of physical systems. In this review we discuss how Bose-Einstein conden...
Continuous atom laser with Bose-Einstein condensates involving three-body interactions
atom laser Bose-Einstein condensates three-body interactions
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2010/4/2
We demonstrate, through numerical simulations, the emission of a coherent continuous matter wave of constant amplitude from a Bose-Einstein Condensate in a shallow optical dipole trap. The process is ...
Collapse and stable self-trapping for Bose-Einstein condensates with 1/r^b type attractive interatomic interaction potential
Bose-Einstein condensates particles interatomic interaction potential
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2010/4/2
We consider dynamics of Bose-Einstein condensates with long-range attractive interaction proportional to $1/r^b$ and arbitrary angular dependence. It is shown exactly that collapse of Bose-Einstein co...
Stable Vortex-Bright Soliton Structures in Two-Component Bose Einstein Condensates
Soliton Structures topological charge Two-Component Bose Einstein Condensates
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2010/4/1
We report the numerical realization and demonstration of robustness of certain 2-component structures in Bose-Einstein Condensates in 2 and 3 spatial dimensions with non-trivial topological charge in ...
Solitons of two-component Bose-Einstein condensates modulated in space and time
Bose-Einstein condensates space and time
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2010/4/1
In this paper we present soliton solutions of two coupled nonlinear Schodinger equations modulated in the bspace and time. The approach allows us to obatin solitons with large variety of solutions dep...
Pitchfork bifurcations in blood-cell shaped dipolar Bose-Einstein condensates
Pitchfork bifurcations blood-cell shaped dipolar Bose-Einstein condensates
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2010/4/1
We demonstrate that the method of coupled Gaussian wave packets is a full-fledged alternative to direct numerical solutions of the Gross-Pitaevskii equation of condensates with electromagnetically ind...
Relativistic Bose-Einstein Condensates: a New System for Analogue Models of Gravity
relativistic Bose–Einstein condensate analogue models of gravity
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2010/3/17
In this paper we propose to apply the analogy between gravity and condensed matter physics to relativistic Bose-Einstein condensates, i.e. condensates composed by relativistic constituents. While such...