Journal ArticleDOI
Plancks Gesetz und Lichtquantenhypothese
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TLDR
In this article, the authors describe how the Phasenraum eines Lichtquants in bezug auf ein gegebenes Volumen wird in „Zellen“ von der Grose h3 aufgeteilt, i.e., the Zahl der moglichen Verteilungen der Lichtquanten einer makroskopisch definierten Strahlung unter diese Zellen liefert die Entropie.Abstract:
Der Phasenraum eines Lichtquants in bezug auf ein gegebenes Volumen wird in „Zellen“ von der Grose h3 aufgeteilt. Die Zahl der moglichen Verteilungen der Lichtquanten einer makroskopisch definierten Strahlung unter diese Zellen liefert die Entropie und damit alle thermodynamischen Eigenschaften der Strahlung.read more
Citations
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Journal ArticleDOI
Inelastic multiple scattering of interacting bosons in weak random potentials.
TL;DR: A diagrammatic scattering theory for interacting bosons in a three-dimensional, weakly disordered potential shows how collisional energy transfer between the bosons induces the thermalization of the inelastic single-particle current which, after only a few collision events, dominates over the elastic contribution described by the Gross-Pitaevskii ansatz.
Mean field and fluctuations for fermionic systems: from ultracold Fermi gases to cuprates
TL;DR: In this paper, the role of mean field theory and Gaussian-level fluctuations for the BCS-BEC crossover and high-Tc superconducting cuprates was analyzed.
Journal ArticleDOI
Collective light forces on atoms in resonators
TL;DR: In this article, the authors studied resonator-induced light forces arising from cooperative atom-light interaction and showed that the force on the sample can be orders of magnitude larger than the sum of conventional light forces on individual atoms.
Book ChapterDOI
The Quantum-Mechanical Many-Body Problem: The Bose Gas
TL;DR: In this paper, it was shown that the N7/5 lower bound for the ground state energy of the two-component charged Bose gas proposed by Dyson in 1967 is correct.
Book ChapterDOI
Quantum kinetic theory: modelling and numerics for Bose-Einstein condensation
TL;DR: In this paper, the authors review some modelling and numerical aspects in quantum kinetic theory for a gas of interacting bosons and explain what makes Bose-Einstein condensation in a dilute gas mathematically interesting and numerically challenging.