Anomalous specific heat in ultradegenerate QED and QCD
A. Gerhold, A. Ipp, A. Rebhan
Abstract
We discuss the origin of the anomalous T 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.
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