Journal ArticleDOI
Plancks Gesetz und Lichtquantenhypothese
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
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Dissertation
Réalisation d'un condensat de Bose-Einstein d'atomes d'hélium métastable
TL;DR: In this paper, Bose-Einstein et al. presente the premiere realisation experimentale d'un condensat de BoseEinstein d'helium metastable, a partir du transfert dans le piege magnetique du nuage atomique.
Dissertation
Ultracold Lithium-6 Atoms in the BEC-BCS Crossover: Experiments and the Construction of a New Apparatus
TL;DR: In this article, the authors used a fermionic gas of Lithium-6 as a model system to study superfluidity, and they observed a sudden change of the ellipticity of the gas close to the transition to the superfluid phase and localized heteronuclear Feshbach resonances between Li-6 and Li-7.
Journal ArticleDOI
Unexpectedly slow two particle decay of ultra-dense excitons in cuprous oxide
TL;DR: For an ultra-dense exciton gas in cuprous oxide (Cu2O), exciton-exciton interactions are the dominant cause of exciton decay as discussed by the authors, which is relevant to the search for collective quantum behavior of excitons in bulk systems.
Journal ArticleDOI
Macroscopic quantum electrodynamics approach to nonlinear optics and application to polaritonic quantum-vacuum detection
TL;DR: Lindel et al. as mentioned in this paper provided an in-depth discussion of a theoretical framework that is capable of predicting the electromagnetic field emerging from a nonlinear crystal through which a coherent laser pulse is shone.
Book ChapterDOI
Indistinguishability, Interchangeability, and Indeterminism
TL;DR: In this article, it is shown that indistinguishability has always been considered as a typical quantum phenomenon which transcends classical conceptions, even before the formalism of quantum theory was introduced.