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Viac informácií o knihe Shear Viscosities from Kubo Formalism

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Anotácia knihy

The quark-gluon plasma produced in heavy-ion collisions at RHIC and LHC is a hot and dense state of strongly correlated matter. It behaves like an almost-perfect fluid featuring a small ratio of shear viscosity to entropy density. In this thesis we calculate within a two-flavor Nambu--Jona-Lasinio model the shear viscosity as function of temperature and chemical potential. A new Kubo formula is developed, incorporating the full Dirac structure of the quark spectral function and avoiding commonly used on-shell approximations. Mesonic fluctuations occurring at Fock level provide the dominant dissipative process. The resulting parameter-free ratio is an overall decreasing function of temperature and chemical potential. In combination with hard-thermal-loop results we find this ratio to feature a minimum slightly above the AdS/CFT benchmark.

Parametre knihy

Zaradenie knihy Knihy po anglicky Mathematics & science Physics

• Celý názov: Shear Viscosities from Kubo Formalism
• Podnázov: in a Large-Nc Nambu-Jona-Lasinio Model
• Autor: Lang Robert
• Jazyk: Angličtina
• Väzba: Brožovaná
• Počet strán: 144
• EAN: 9783838151304
• ISBN: 3838151305
• ID: 09517985
• Nakladateľ: Sudwestdeutscher Verlag Fur Hochschulschriften AG
• Hmotnosť: 222 g
• Rozmery: 229 × 152 × 9 mm
• Dátum vydania: 16. July 2015

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