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hep-th2022★ 1 cited
Low-temperature thermal corrections to a superfluid's equation of state
Ioanna Kourkoulou, Alberto Nicolis, Klaas Parmentier
Using effective field theory methods, we calculate the low-temperature phonon thermal partition function for a generic superfluid, thus providing the leading thermal corrections to…
hep-th2022★ 9 cited
An improved Noether's theorem for spacetime symmetries
Ioanna Kourkoulou, Alberto Nicolis, Guanhao Sun
We exploit an ambiguity somewhat hidden in Noether's theorem to derive systematically, for relativistic field theories, the stress-energy tensor's improvement terms that are associ…