48 citations · 162 across the 8 of their papers we have counts for
8 papers
Problems of Perturbation Series in Non-Equilibrium Quantum Field Theories
T. Altherr, D. Seibert
In the standard framework of non-equilibrium quantum field theories, the pinch singularities associated to multiple products of -functions do not cancel in a perturbative expans…
The Electric Charge of Neutrinos and Plasmon Decay
T. Altherr, P. Salati
By using both thermal field theory and a somewhat more intuitive method, we define the electric charge as well as the charge radius of neutrinos propagating inside a plasma. We sho…
Thermal quark production in ultra-relativistic nuclear collisions
Tanguy Altherr, David Seibert
We calculate thermal production of u, d, s, c and b quarks in ultra-relativistic heavy ion collisions. The following processes are taken into account: thermal gluon decay (g to iba…
Axion Emission from Red Giants and White Dwarfs
T. Altherr, E. Petitgirard, T. del Rio Gaztelurrutia
Using thermal field theory methods, we recalculate axion emission from dense plasmas. We study in particular the Primakoff and the bremsstrahlung processes. The Primakoff rate is s…
Plasmon Decay: From QED to QCD
Tanguy Altherr
Upon using the same theoretical framework, I describe two interesting decay processes: the electromagnetic plasmon decay into neutrinos, which can be the dominant cooling mechanism…
Introduction to Thermal Field Theory
T. Altherr
This is intended to be a very basic introduction and short (and of course incomplete) overview of thermal field theory. In the first part, I introduce the thermal propagator at a v…
Pre-equilibrium dileptons look thermal
David Seibert, Tanguy Altherr
The dilepton mass distribution from pre-equilibrium matter in ultrarelativistic nuclear collisions is indistinguishable from a thermally produced distribution.
Photon Propagation in Dense Media
T. Altherr, E. Petitgirard, T. del Rio Gaztelurrutia
Using thermal field theory, we derive simple analytic expressions for the spectral density of photons in degenerate QED plasmas, without assuming the usual non or ultra-relativisti…