Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-08-31
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 3 figures, contribution to the Proceedings of Strong and Electroweak Matter 2004 (SEWM04), Helsinki, Finland, 16-19 J
Scientific paper
We discuss the origin of the anomalous $T\ln T^{-1}$ behavior of the low-temperature entropy and specific heat in ultradegenerate QED and QCD and report on a recent calculation which is complete to leading order in the coupling and which contains an infinite series of anomalous terms involving also fractional powers in $T$. This result involves dynamical hard-dense-loop resummation and interpolates between Debye screening effects at larger temperatures and non-Fermi-liquid behavior from only dynamically screened magnetic fields at low temperature.
Gerhold Andreas
Ipp Andreas
Rebhan Anton
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