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Anomalous specific heat in high-density QED and QCD | A. Ipp
; A. Gerhold
; A. Rebhan
; | Date: |
2 Sep 2003 | Journal: | Phys.Rev. D69 (2004) 011901 | Subject: | High Energy Physics - Phenomenology; Strongly Correlated Electrons | hep-ph cond-mat.str-el | Abstract: | Long-range quasi-static gauge-boson interactions lead to anomalous (non-Fermi-liquid) behavior of the specific heat in the low-temperature limit of an electron or quark gas with a leading $Tln T^{-1}$ term. We obtain perturbative results beyond the leading log approximation and find that dynamical screening gives rise to a low-temperature series involving also anomalous fractional powers $T^{(3+2n)/3}$. We determine their coefficients in perturbation theory up to and including order $T^{7/3}$ and compare with exact numerical results obtained in the large-$N_f$ limit of QED and QCD. | Source: | arXiv, hep-ph/0309019 | Services: | Forum | Review | PDF | Favorites |
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