Bose-Einstein Condensate
Bright dipolar Bose-Einstein-condensate soliton mobile in a direction perpendicular to polarization
... dipolar Bose-Einstein-condensate (BEC) solitons, moving in a direction perpendicular to the polarization direction, formed due to dipolar interaction for repulsive contact ...
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Symmetry breaking in a localized interacting binary Bose-Einstein condensate in a bichromatic optical lattice
... After the prediction of the localization of the electronic wave function in a disordered potential by Anderson 50 years ago [1], there have been many studies on different aspects of localization of different types of ...
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Bright solitons in a quasi-one-dimensional dipolar Bose-Einstein condensate
... Cr Bose-Einstein condensate with inter-atomic magnetic dipole dipole interaction opened the door to a new level in the research of degenerate quantum ...dipolar Bose-Einstein ...
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Dipolar Bose-Einstein condensate in a ring or in a shell
... We study properties of a trapped dipolar Bose-Einstein condensate (BEC) in a circular ring or a spherical shell using the mean-field Gross-Pitaevskii equation. In the case of the ring-shaped trap we ...
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Dimensional reduction of a binary Bose-Einstein condensate in mixed dimensions
... binary Bose-Einstein condensate (BEC), where the confining potentials of the two BEC components have distinct asymmetry so that the components belong to different space dimensions as in a recent ...
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Demixing and symmetry breaking in binary dipolar Bose-Einstein-condensate solitons
... We demonstrate a fully demixed (separated) robust and stable bright binary dipolar Bose-Einstein-condensate soliton in a quasi-one-dimensional setting formed due to dipolar interactions for repulsive ...
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Evolution of a collapsing and exploding Bose-Einstein condensate in different trap symmetries
... cigar-shaped condensate the average distance among the atoms is larger than that in a pancake-shaped condensate of the same ...cigar-shaped condensate has to contract during a larger interval of time ...
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Coupled Bose-Einstein condensate: Collapse for attractive interaction
... of Bose-Einstein con- densation ~BEC! at ultralow temperature in dilute trapped bosons ~alkali metal and hydrogen atoms and the recent pos- sibility in molecules! has spurred intense theoretical activi- ...
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Chaotic oscillation in an attractive Bose-Einstein condensate under an impulsive force
... stable condensate to be formed. Such a strongly attractive condensate has been created and observed in the laboratory in the experiment con- ducted at JILA ...the condensate is unstable and due to ...
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Dipolar droplet bound in a trapped Bose-Einstein condensate
... Using variational approximation and numerical solution of a set of coupled mean-field GP equations, we demonstrate the existence of a stable dipolar 164 Dy droplet bound by interspecies [r] ...
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Symbiotic gap and semigap solitons in Bose-Einstein condensates
... Using the variational approximation and numerical simulations, we study one-dimensional gap solitons in a binary Bose-Einstein condensate trapped in an optical-lattice potential. We consider the case ...
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Dynamics of Bose-Einstein condensates in cigar-shaped traps
... a Bose-Einstein condensate confined in an elongated cigar-shaped trap is reduced to an effective system of nonlinear equations depending on only one space coordinate along the trap ...the ...
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Campos de calibre artificiais em condensados de Bose-Einstein
... In this dissertation we review the basic theory that describes the bosonic Josephson junc- tion for one and two species using the Bose-Hubbard model. Afterwards, we explain how it is possible to generate artificial ...
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Ondas de choque em condensados de Bose-Einstein e espalhamento inelástico de átomos...
... in Bose-Einstein condensates” and “Inelastic scattering of atoms in a double ...a Bose-Einstein condensate (BEC) past a slender impenetrable macroscopic obstacle in the framework of the ...
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Vórtices e impurezas em superfluidos atômicos: expansão auto-similar e polaron T...
... of Bose-Einstein condensation in dilute gases: (i) the self-similar expansion of a turbulent superĆuidity, and (ii) the polaron physics in the context of the superĆuid mixtures and vortex ...tice ...
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Dynamics of a collapsing and exploding Bose-Einstein condensed vortex state
... nonrotating condensate with L50. ~4! The remnant condensate executes radial and axial oscillations in a highly excited collective state for a long time with frequencies 2 n radial and 2 n axial ...
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Bose e Einstein: do nascimento da estatística quântica à condensação sem interação I.
... de Bose lan¸cou as bases sobre as quais foi poss´ıvel construir uma mecˆanica estat´ıstica que incor- porasse, em seu bojo, a ent˜ao rec´em-criada mecˆanica ...de Bose-Einstein em vapores de metais ...
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Sistema bicamada: formação e condensação de Bose-Einstein de éxcitons indiretos
... Um ´exciton ´e um estado ligado entre um el´etron e um buraco em sistemas semi- condutores, e isso se d´a atrav´es da intera¸c˜ao de Coulomb. Os buracos, por sua vez, s˜ao estados eletrˆonicos desocupados, simulados por ...
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Bose e Einstein: do nascimento da estatística quântica à condensação sem interação II.
... por Bose em seu artigo e j´a discu- tida na se¸c˜ ao 3: a de que, diferentemente de Boltzmann, a independˆencia estat´ıstica diz respeito a n´ıveis e n˜ao a ...de Einstein, a cr´ıtica parecia ser simples- ...
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Braz. J. Phys. vol.37 número3A
... In particle and nuclear physics, intensity interferometry provides a direct experimental method for the determination of sizes, shapes and lifetimes of particle-emitting sources (for reviews see [1–5]). In particular, ...
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