Phase transition in matrix model with logarithmic action: toy-model for gluons in baryons
نویسندگان
چکیده
منابع مشابه
Phase transition in matrix model with logarithmic action: Toy-model for gluons in baryons
We study the competing effects of gluon self-coupling and their interactions with quarks in a baryon, using the very simple setting of a hermitian 1-matrix model with action tr A4− log det(ν+A2). The logarithmic term comes from integrating out N quarks. The model is a caricature of 2d QCD coupled to adjoint scalars, which are the transversely polarized gluons in a dimensional reduction. ν is a ...
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Soft Gluons in Logarithmic Summations
We demonstrate that all the known singleand double-logarithm summations for a parton distribution function can be unified in the Collins-Soper resummation technique by applying soft approximations appropriate in different kinematic regions to real gluon emissions. Neglecting the gluon longitudinal momentum, we obtain the kT (double-logarithm) resummation for two-scale QCD processes, and the Bal...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2006
ISSN: 1029-8479
DOI: 10.1088/1126-6708/2006/03/067