Low Temperature Analysis of Two-Dimensional Fermi Systems with Symmetric Fermi Surface

被引：0
|
作者：
G. Benfatto
A. Giuliani
V. Mastropietro
机构：
[1] Dipartimento di Matematica,
[2] Università di Roma “Tor Vergata”,undefined
[3] Via della Ricerca Scientifica,undefined
[4] I-00133,undefined
[5] Roma,undefined
[6] Italy,undefined
[7] e-mail: benfatto@mat.uniroma2.it,undefined
[8] Dipartimento di Fisica,undefined
[9] Università die Roma “La Sapienza”,undefined
[10] Piazzale Aldo Moro 5,undefined
[11] I-00185 Roma,undefined
[12] Italy,undefined
[13] e-mail: alessandro.giuliani@roma1.infn.it,undefined
[14] Dipartimento di Matematica,undefined
[15] Università di Roma “Tor Vergata”,undefined
[16] Via della Ricerca Scientifica,undefined
[17] I-00133,undefined
[18] Roma,undefined
[19] Italy,undefined
[20] e-mail: mastropi@mat.uniroma2.it,undefined
来源：
Annales Henri Poincaré | 2003年 / 4卷
关键词：
Renormalization Group; Fermi Surface; Small Temperature; Temperature Analysis; Perturbative Expansion;
D O I：
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学科分类号：
摘要：
We prove the convergence of the perturbative expansion, based on Renormalization Group, of the two point Schwinger function of a system of weakly interacting fermions in d = 2, with symmetric Fermi surface and up to exponentially small temperatures, close to the expected onset of superconductivity.
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页码：137 / 193
页数：56
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