The Photon in Dense Nuclear Matter I: Random Phase Approximation
arXiv:1712.05447 · doi:10.1103/PhysRevC.97.045801
Abstract
We present a comprehensive and pedagogic discussion of the properties of photons in cold and dense nuclear matter based on the resummed one-loop photon self energy. Correlations between electrons, muons, protons and neutrons in beta equilibrium that arise due to electromagnetic and strong interactions are consistently taken into account within the random phase approximation. Screening effects and damping as well as collective excitations are systematically studied in a fully relativistic setup. Our study is relevant to linear response theory of dense nuclear matter, calculations of transport properties of cold dense matter and to investigations of the production and propagation of hypothetical vector bosons such as the dark photons.
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- Transport coefficients of magnetized neutron star cores
- B-field induced mixing between Langmuir waves and axions
- Coupling between superfluid neutrons and superfluid protons in the elementary excitations of neutron star matter
- Power corrections to the photon polarization tensor in a hot and dense medium of massive fermions
- Real-time thermal photon-photon interactions in the mixed space