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Impact of CFL Quark Matter on the Cooling of Compact Stars
Igor A. Shovkovy, Paul J. Ellis
The cooling mechanism of compact stars with quark cores in the color-flavor locked phase is discussed. It is argued that the high thermal conductivity of the quark core plays a key…
Optically opaque color-flavor locked phase inside compact stars
Igor A. Shovkovy, Paul J. Ellis
The contribution of thermally excited electron-positron pairs to the bulk properties of the color-flavor locked quark phase inside compact stars is examined. The presence of these…
Thermal conductivity of dense quark matter and cooling of stars
Igor A. Shovkovy, Paul J. Ellis
The thermal conductivity of the color-flavor locked phase of dense quark matter is calculated. The dominant contribution to the conductivity comes from photons and Nambu-Goldstone…
Multiple Scattering Expansion of the Self-Energy at Finite Temperature
Sangyong Jeon, Paul J. Ellis
An often used rule that the thermal correction to the self-energy is the thermal phase-space times the forward scattering amplitude from target particles is shown to be the leading…
Pion--Nucleon Scattering in a New Approach to Chiral Perturbation Theory
Paul J. Ellis, Hua-Bin Tang
We study pion--nucleon scattering with a chiral lagrangian of pions, nucleons, and -isobars. The scattering amplitude is evaluated to one-loop order, where is a generi…
Pion-Nucleon Scattering at Low Energies
Paul J. Ellis, Hua-Bin Tang
We study pion-nucleon scattering at tree level with a chiral lagrangian of pions, nucleons, and -isobars using a K-matrix unitarization procedure. Evaluating the scattering ampl…