Title
Integral equation for inhomogeneous condensed bosons generalizing the Gross-Pitaevskii differential equation Integral equation for inhomogeneous condensed bosons generalizing the Gross-Pitaevskii differential equation
Author
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : A : atomic, molecular and optical physics. - Lancaster, Pa, 1990 - 2015
Volume/pages
69(2004) :5 , 4 p.
ISSN
1094-1622
1050-2947
Article Reference
055601
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We give here the derivation of a Gross-Pitaevskii-type equation for inhomogeneous condensed bosons. Instead of the original Gross-Pitaevskii differential equation, we obtain an integral equation that implies less restrictive assumptions than are made in the very recent study of Pieri and Strinati [Phys. Rev. Lett. 91, 030401 (2003)]. In particular, the Thomas-Fermi approximation and the restriction to small spatial variations of the order parameter invoked in their study are avoided.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/13a529/7982.pdf
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