Twist mode in atomic Fermi gases

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RECERCAT Home > Universitat de Barcelona > Física Quàntica i Astrofísica > Articles publicats en revistes (Física Quàntica i Astrofísica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/9559

dc.contributor	Universitat de Barcelona
dc.contributor.author	Viñas Gausí, Xavier
dc.contributor.author	Roth, R.
dc.contributor.author	Schuck, Peter
dc.contributor.author	Wambach, J.
dc.date	2009-10-06T09:36:18Z
dc.date	2009-10-06T09:36:18Z
dc.date	2001
dc.identifier.citation	1050-2947
dc.identifier.citation	181368
dc.identifier.uri	http://hdl.handle.net/2445/9559
dc.format	3 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	The American Physical Society
dc.relation	Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevA.64.055601
dc.relation	Physical Review A, 2001, vol. 64, núm. 5.
dc.relation	http://dx.doi.org/10.1103/PhysRevA.64.055601
dc.rights	(c) The American Physical Society, 2001
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Constitució de la matèria
dc.subject	Mecànica estadística
dc.subject	Gas d'electrons
dc.subject	Constitution of matter
dc.subject	Statistical mechanics
dc.subject	Electron gas
dc.title	Twist mode in atomic Fermi gases
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The quantum-kinetic energy of a finite number of trapped fermionic atoms provides a restoring force for shear motion due to a distortion of the momentum distribution. In analogy to the twist mode of nuclear physics, it is proposed that counter rotating the upper and lower hemisphere of a spherical atomic cloud yields a finite-frequency mode closely related to transverse zero sound waves in bulk Fermi liquids.

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