Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/2366
Title: The d Expansion and the Principle of Minimal Sensitivity
Issue Date: 30-May-2013
Publisher: Sociedade Brasileira de Física
Description: The <FONT FACE="Symbol">d</font>-expansion is a nonperturbative approach for field theoretic models wich combines the techniques of perturbation theory and the variational principle. Different ways of implemeting the principle of minimal sensitivity to the <FONT FACE="Symbol">d</font>-expansion produce in general different results for observables. For illustration we use the Nambu- Jona-Lasinio model for chiral symmetry restoration at finite density and compare results with those obtained with the Hartree-Fock approximation.
URI: http://koha.mediu.edu.my:8181/jspui/handle/123456789/2366
Other Identifiers: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97331998000100009
http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=1998&volume=28&issue=1&spage=66
Appears in Collections:Physics and Astronomy

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