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Thermal Equilibrium Distribution of Wavefunctions
, 2003
"... It is well known that in quantum theory, thermal equilibrium at inverse temperature β corresponds to the density matrix (1/Z)exp(−βH). But a density matrix that is not pure can arise from many different distributions of the wavefunction. We address in this paper the question which distribution of th ..."
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Cited by 1 (0 self)
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It is well known that in quantum theory, thermal equilibrium at inverse temperature β corresponds to the density matrix (1/Z)exp(−βH). But a density matrix that is not pure can arise from many different distributions of the wavefunction. We address in this paper the question which distribution
and the Approach to Thermal Equilibrium
, 1999
"... We investigate the decay of a scalar field outside a Schwarzschild anti de Sitter black hole. This is determined by computing the complex frequencies associated with quasinormal modes. There are qualitative differences from the asymptotically flat case, even in the limit of small black holes. In par ..."
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of a perturbation of this state. Thus one obtains the timescale for the approach to thermal equilibrium. We compute these timescales for the strongly coupled field theories in three, four, and six dimensions which are dual to string theory in asymptotically AdS spacetimes.
Smoothness of Wave Functions in Thermal Equilibrium
, 2005
"... We consider the thermal equilibrium distribution at inverse temperature β, or canonical ensemble, of the wave function Ψ of a quantum system. Since L 2 spaces contain more nondifferentiable than differentiable functions, and since the thermal equilibrium distribution is very spreadout, one might ex ..."
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Cited by 4 (3 self)
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We consider the thermal equilibrium distribution at inverse temperature β, or canonical ensemble, of the wave function Ψ of a quantum system. Since L 2 spaces contain more nondifferentiable than differentiable functions, and since the thermal equilibrium distribution is very spreadout, one might
THERMAL EQUILIBRIUM OF LIGHT CONTAMINANT ATOMS IN A CRYSTAL
, 2009
"... This article addresses aspects of thermal equilibrium of light contaminant atoms in crystals. Longwavelength lattice vibrational motion interactions with contamination of light atoms are considered. ..."
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This article addresses aspects of thermal equilibrium of light contaminant atoms in crystals. Longwavelength lattice vibrational motion interactions with contamination of light atoms are considered.
Discrete breathers in thermal equilibrium: distributions and energy gaps
, 2008
"... We study a discrete twodimensional nonlinear system that allows for discrete breather solutions. We perform a spectral analysis of the lattice dynamics at thermal equilibrium and use a cooling technique to measure the amount of breathers at thermal equilibrium. Our results confirm the existence of ..."
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We study a discrete twodimensional nonlinear system that allows for discrete breather solutions. We perform a spectral analysis of the lattice dynamics at thermal equilibrium and use a cooling technique to measure the amount of breathers at thermal equilibrium. Our results confirm the existence
On the Approach to Thermal Equilibrium of Macroscopic Quantum Systems
, 2009
"... We consider an isolated, macroscopic quantum system. Let H be a microcanonical “energy shell, ” i.e., a subspace of the system’s Hilbert space spanned by the (finitely) many energy eigenstates with energies between E and E + δE. The thermal equilibrium macrostate at energy E corresponds to a subspa ..."
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Cited by 20 (7 self)
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We consider an isolated, macroscopic quantum system. Let H be a microcanonical “energy shell, ” i.e., a subspace of the system’s Hilbert space spanned by the (finitely) many energy eigenstates with energies between E and E + δE. The thermal equilibrium macrostate at energy E corresponds to a
Local Thermal Equilibrium States and Quantum
 Energy Inequalities, Annales Henri Poincare 9 (2008) 945 [arXiv:0802.2151 [grqc
"... Abstract. In this paper we investigate the energy distribution of states of a linear scalar quantum field with arbitrary curvature coupling on a curved spacetime which fulfill some local thermality condition. We find that this condition implies a quantum energy inequality for these states, where the ..."
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Cited by 15 (2 self)
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Abstract. In this paper we investigate the energy distribution of states of a linear scalar quantum field with arbitrary curvature coupling on a curved spacetime which fulfill some local thermality condition. We find that this condition implies a quantum energy inequality for these states, where
Approach to Thermal Equilibrium in the CaldeiraLeggett Model
, 812
"... We provide an explicit analytical calculation that shows the asymptotic approach of the one dimensional CaldeiraLeggett model to thermal equilibrium in the high temperature and weak coupling limit. We investigate a free particle and a harmonic oscillator system, using both the Lindblad and the non ..."
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Cited by 1 (0 self)
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We provide an explicit analytical calculation that shows the asymptotic approach of the one dimensional CaldeiraLeggett model to thermal equilibrium in the high temperature and weak coupling limit. We investigate a free particle and a harmonic oscillator system, using both the Lindblad and the non
Thermal equilibrium under the influence of gravitation
, 2003
"... Gas clouds under the influence of gravitation in thermodynamic equilibrium cannot be isothermal due to the Dufour effect, the energy flux induced by density gradients. In galaxy clusters this effect may be responsible for most of the ”cooling flows ” instead of radiative cooling of the gas. Recent o ..."
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Gas clouds under the influence of gravitation in thermodynamic equilibrium cannot be isothermal due to the Dufour effect, the energy flux induced by density gradients. In galaxy clusters this effect may be responsible for most of the ”cooling flows ” instead of radiative cooling of the gas. Recent
Results 1  10
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3,639