The Twist Mode in Atomic Fermi Gases

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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.
4 pages, 1 table (using REVTeX)

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Statistical Mechanics, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/211844

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0106416
 http://arxiv.org/abs/cond-mat/0106416
 Phys.Rev.A64:055601,2001
 doi:10.1103/PhysRevA.64.055601

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