Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice

We study the formation of Faraday waves in an elongated Bose-Einstein condensate in the presence of a one-dimensional optical lattice. The waves are parametrically excited by modulating the radial confinement of the condensate close to a transverse breathing mode of the system. For very shallow opti...

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Autores principales: Capuzzi, P., Gattobigio, M., Vignolo, P.
Formato: JOUR
Materias:
Bose-Einstein condensates
Breathing modes
Faraday waves
Incoherent superposition
One dimensional optical lattice
Optical lattices
Parametric excitations
Radial confinement
Sound velocities
Wave vector
Crystal lattices
Magnetic field effects
Optical materials
Statistical mechanics
Steam condensers
Faraday effect
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10502947_v83_n1_p_Capuzzi
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_10502947_v83_n1_p_Capuzzi2023-10-03T16:00:07Z Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice Capuzzi, P. Gattobigio, M. Vignolo, P. Bose-Einstein condensates Breathing modes Faraday waves Incoherent superposition One dimensional optical lattice Optical lattices Parametric excitations Radial confinement Sound velocities Wave vector Crystal lattices Magnetic field effects Optical materials Statistical mechanics Steam condensers Faraday effect We study the formation of Faraday waves in an elongated Bose-Einstein condensate in the presence of a one-dimensional optical lattice. The waves are parametrically excited by modulating the radial confinement of the condensate close to a transverse breathing mode of the system. For very shallow optical lattices, phonons with a well-defined wave vector propagate along the condensate, as in the absence of the lattice, and we observe the formation of a Faraday pattern. We find that by increasing the potential depth the local sound velocity decreases, and when it equals the condensate local phase velocity, the condensate develops an incoherent superposition of several modes and the parametric excitation of Faraday waves is suppressed. © 2011 The American Physical Society. Fil:Capuzzi, P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_10502947_v83_n1_p_Capuzzi
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Bose-Einstein condensates
Breathing modes
Faraday waves
Incoherent superposition
One dimensional optical lattice
Optical lattices
Parametric excitations
Radial confinement
Sound velocities
Wave vector
Crystal lattices
Magnetic field effects
Optical materials
Statistical mechanics
Steam condensers
Faraday effect
spellingShingle Bose-Einstein condensates
Breathing modes
Faraday waves
Incoherent superposition
One dimensional optical lattice
Optical lattices
Parametric excitations
Radial confinement
Sound velocities
Wave vector
Crystal lattices
Magnetic field effects
Optical materials
Statistical mechanics
Steam condensers
Faraday effect
Capuzzi, P.
Gattobigio, M.
Vignolo, P.
Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice
topic_facet Bose-Einstein condensates
Breathing modes
Faraday waves
Incoherent superposition
One dimensional optical lattice
Optical lattices
Parametric excitations
Radial confinement
Sound velocities
Wave vector
Crystal lattices
Magnetic field effects
Optical materials
Statistical mechanics
Steam condensers
Faraday effect
description We study the formation of Faraday waves in an elongated Bose-Einstein condensate in the presence of a one-dimensional optical lattice. The waves are parametrically excited by modulating the radial confinement of the condensate close to a transverse breathing mode of the system. For very shallow optical lattices, phonons with a well-defined wave vector propagate along the condensate, as in the absence of the lattice, and we observe the formation of a Faraday pattern. We find that by increasing the potential depth the local sound velocity decreases, and when it equals the condensate local phase velocity, the condensate develops an incoherent superposition of several modes and the parametric excitation of Faraday waves is suppressed. © 2011 The American Physical Society.
format JOUR
author Capuzzi, P.
Gattobigio, M.
Vignolo, P.
author_facet Capuzzi, P.
Gattobigio, M.
Vignolo, P.
author_sort Capuzzi, P.
title Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice
title_short Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice
title_full Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice
title_fullStr Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice
title_full_unstemmed Suppression of Faraday waves in a Bose-Einstein condensate in the presence of an optical lattice
title_sort suppression of faraday waves in a bose-einstein condensate in the presence of an optical lattice
url http://hdl.handle.net/20.500.12110/paper_10502947_v83_n1_p_Capuzzi
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AT gattobigiom suppressionoffaradaywavesinaboseeinsteincondensateinthepresenceofanopticallattice
AT vignolop suppressionoffaradaywavesinaboseeinsteincondensateinthepresenceofanopticallattice
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