Time-dependent Gross-Pitaevskii equation for composite bosons as the strong-coupling limit of the fermionic BCS-RPA approximation

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dc.creatorStrinati, G. C.
dc.creatorPieri, P.
dc.date2003-07-16
dc.date.accessioned2026-07-07T02:52:23Z
dc.date.available2026-07-07T02:52:23Z
dc.descriptionThe linear response to a space- and time-dependent external disturbance of a system of dilute condensed composite bosons at zero temperature, as obtained from the linearized version of the time-dependent Gross-Pitaevskii equation, is shown to result also from the strong-coupling limit of the time-dependent BCS (or broken-symmetry RPA) approximation for the constituent fermions subject to the same external disturbance. In this way, it is possible to connect excited-state properties of the bosonic and fermionic systems by placing the Gross-Pitaevskii equation in perspective with the corresponding fermionic approximations
dc.description4 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/0307377
dc.identifierhttp://arxiv.org/abs/cond-mat/0307377
dc.identifierPhys. Rev. A 69, 011601(R) (2004)
dc.identifierdoi:10.1103/PhysRevA.69.011601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21820
dc.subjectCondensed Matter
dc.titleTime-dependent Gross-Pitaevskii equation for composite bosons as the strong-coupling limit of the fermionic BCS-RPA approximation
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