High Energy Physics Seminars

ics High Energy
Wednesday, April 9, 2003
3:00 PM
Physics Building, Room 204
Note special time.
Carston Vogt [Host: J. Lenaghan]
"Photon emission from dense quark matter in compact stars"
Quark matter at large baryon density is characterised by a colour-flavour-locked phase where chiral symmetry is broken. This leads to the appearance of the light octet of Goldstone bosons. At temperatures below the gap which results from quark pairing, the light Goldstone bosons are the dominant degrees of freedom and provide the main source for photon emission. We calculate photon emission rates from scattering of Goldstone bosons and discuss possible observational consequences of our results for compact stars featuring colour-superconductivity.

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