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Jezek, D.M.; Capuzzi, P.; Guilleumas, M.; Mayol, R. "Stationary rings of vortices in nonrotating Bose-Einstein condensates" (2008) Physical Review A - Atomic, Molecular, and Optical Physics. 78(5)
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Abstract:

We numerically obtain stationary rings of vortices in pancake-shaped Bose-Einstein condensates confined in a three-dimensional nonrotating trap. For this purpose we use a static axisymmetric trapping potential that can sustain locally stable off-axis vortices. We analyze the maximum number of vortices the system can host as a function of the number of particles. We also show that this system provides a very suitable scenario for predicting vortex dynamics in inhomogeneous media. Specifically, on the one hand, we derive an exact and simple analytical expression for the velocity field in a particular vortex position due to the presence of the other vortices of the array. On the other hand, using the fact that in stationary conditions this field should balance all other contributions to the velocity, we investigate the applicability of approximated expressions for the precession velocity obtained in previous works for condensates with a single vortex. © 2008 The American Physical Society.

Registro:

Documento: Artículo
Título:Stationary rings of vortices in nonrotating Bose-Einstein condensates
Autor:Jezek, D.M.; Capuzzi, P.; Guilleumas, M.; Mayol, R.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, RA-1428 Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, RA-1428 Buenos Aires, Argentina
Departament d'Estructura i Constituents de la Matèria, Facultat de Física, Universitat de Barcelona, E-08028 Barcelona, Spain
Palabras clave:Bose-Einstein condensation; Steam condensers; Three dimensional; Velocity; Analytical expressions; Approximated expressions; Axisymmetric; Einstein condensates; Inhomogeneous medias; One hands; Single vortices; Stationary conditions; Trapping potentials; Velocity fields; Vortex dynamics; Vortex positions; Vortex flow
Año:2008
Volumen:78
Número:5
DOI: http://dx.doi.org/10.1103/PhysRevA.78.053616
Título revista:Physical Review A - Atomic, Molecular, and Optical Physics
Título revista abreviado:Phys Rev A
ISSN:10502947
CODEN:PLRAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v78_n5_p_Jezek

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Citas:

---------- APA ----------
Jezek, D.M., Capuzzi, P., Guilleumas, M. & Mayol, R. (2008) . Stationary rings of vortices in nonrotating Bose-Einstein condensates. Physical Review A - Atomic, Molecular, and Optical Physics, 78(5).
http://dx.doi.org/10.1103/PhysRevA.78.053616
---------- CHICAGO ----------
Jezek, D.M., Capuzzi, P., Guilleumas, M., Mayol, R. "Stationary rings of vortices in nonrotating Bose-Einstein condensates" . Physical Review A - Atomic, Molecular, and Optical Physics 78, no. 5 (2008).
http://dx.doi.org/10.1103/PhysRevA.78.053616
---------- MLA ----------
Jezek, D.M., Capuzzi, P., Guilleumas, M., Mayol, R. "Stationary rings of vortices in nonrotating Bose-Einstein condensates" . Physical Review A - Atomic, Molecular, and Optical Physics, vol. 78, no. 5, 2008.
http://dx.doi.org/10.1103/PhysRevA.78.053616
---------- VANCOUVER ----------
Jezek, D.M., Capuzzi, P., Guilleumas, M., Mayol, R. Stationary rings of vortices in nonrotating Bose-Einstein condensates. Phys Rev A. 2008;78(5).
http://dx.doi.org/10.1103/PhysRevA.78.053616