منابع مشابه
Out of equilibrium temperature from holography
We define an effective temperature and study its properties for a class of out-of-equilibrium steady states in a heat bath. Our analysis is based on the anti-de Sitter spacetime/conformal field theory (AdS/CFT) correspondence, and examples include systems driven by applied electric fields and branes dragged in plasmas. We found that the effective temperature can be lower than that of the heat b...
متن کاملDe Sitter Holography with a Finite Number of States
We investigate the possibility that, in a combined theory of quantum mechanics and gravity, de Sitter space is described by finitely many states. The notion of observer complementarity, which states that each observer has complete but complementary information, implies that, for a single observer, the complete Hilbert space describes one side of the horizon. Observer complementarity is implemen...
متن کاملHolography and Fermions at a Finite Chemical Potential
We review the Sakai-Sugimoto model of holographic QCD at zero temperature and finite chemical potential, comparing the results to those expected at large-Nc QCD, and those in a closely related holographic model. We find that as the baryon chemical potential is increased above a critical value, there is a phase transition to a nuclear matter phase, the details of which depend on the model. We ar...
متن کاملEffective temperature in steady-state dynamics from holography
We argue that, within the realm of gauge-gravity duality, for a large class of systems in a steady-state there exists an effective thermodynamic description. This description comes equipped with an effective temperature and a free energy, but no well-defined notion of entropy. Such systems are described by probe degrees of freedom propagating in a much larger background, e.g. Nf number of N = 2...
متن کاملFinite Temperature Effective Theories
High-temperature and dense matter of elementary particles appears in several areas of physics. The rst and most familiar example is the Universe at the early stages of its expansion. The Big Bang theory (for reviews see, e.g. ) states that the Universe was hot and dense in the past, with a temperature ranging from a few eV up to the Planck scale MPl 10 GeV. Another place, where matter exists in...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2012
ISSN: 1029-8479
DOI: 10.1007/jhep03(2012)010