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A cellular dynamical mean field theory approach to Mottness

✍ Scribed by Tudor D. Stanescu; Marcello Civelli; Kristjan Haule; Gabriel Kotliar

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
810 KB
Volume
321
Category
Article
ISSN
0003-4916

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An apparent difference between formulating mean field perturbation theory for @\* field theory via path integrals or via functional differential equations when there are external sources present is shown not to exist when mean lield theory is considered as the N= 1 limit of the O(N) @" field theory.