Results 91 to 100 of about 5,958 (184)

Effects of Lorentz violation in the Bose-Einstein condensation

, 2020
In this paper we study the corrections emergent from a Lorentz-violating CPT-odd extension of the complex scalar sector to the Bose-Einstein condensation and to the thermodynamics parameters.
A. C. A. Ramos, J. F. Assunção, J. Furtado   +2 more
core   +1 more source

Observation of dynamic atom-atom correlation in liquid helium in real space

Nature Communications, 2017
Liquid helium can be treated as an ideal gas or a condensed liquid and displays intriguing features like Bose–Einstein condensation. Here the authors show that roton excitation reveals information on real space dynamic atom-atom correlations in ...
W. Dmowski, S. O. Diallo, K. Lokshin, G. Ehlers, G. Ferré, J. Boronat, T. Egami   +6 more
doaj   +1 more source

Superradiant MeV γ Scattered by a Room-Temperature Spinor Quantum Fluid

Crystals, 2017
Recent reports have revealed the rich long-lived Mossbauer phenomenon of 93mNb, in which it has long been speculated that the delocalized 93mNb undergoes Bose-Einstein condensation following an increase in the 93mNb density beyond the threshold of 1012 ...
Yao Cheng, Ting-Han Lin, Chih-Hao Lee, Shun-Chi Wu   +3 more
doaj   +1 more source

Continuous Bose-Einstein condensation. [PDF]

Nature, 2022
Chen CC, González Escudero R, Minář J, Pasquiou B, Bennetts S, Schreck F.   +5 more
europepmc   +1 more source

Carnot Cycles in a Harmonically Confined Ultracold Gas across Bose-Einstein Condensation. [PDF]

Entropy (Basel), 2023
Reyes-Ayala I, Miotti M, Hemmerling M, Dubessy R, Perrin H, Romero-Rochin V, Bagnato VS.   +6 more
europepmc   +1 more source

Optically nonlinear spatial and spectral processes in semiconductor microcavities

, 2009
This thesis presents experimental analysis of polariton dynamics in semiconductor umicrocavities. A microcavity is a monolithic structure composed of two distribnted Bragg reflectors which are separated by a layer of active material.
Grundy, Alastair J D, Grundy, Alastair J.D.   +1 more
core  

The Paradox of Bose-Einstein Condensation

, 2023
The paradox of Bose-Einstein condensation is that phenomena such as the $\lambda$-transition heat capacity and superfluid flow are macroscopic, whereas the occupancy of the ground state is microscopic.
Attard, Phil
core  

Nonextensive Bose-Einstein condensation model [PDF]

, 1999
The imperfect Boson gas supplemented with a gentle repulsive interaction is completely solved. In particular, it is proved that it has nonextensive Bose-Einstein condensation, i.e., there is condensation without macroscopic occupation of the ground (k ...
Verbeure, A, Michoel, T, T. Michoel, A. Verbeure   +3 more
core   +1 more source

Condensation of excitons in Cu2O at ultracold temperatures: experiment and theory

New Journal of Physics, 2012
We present experiments on the luminescence of excitons confined in a potential trap at milli-Kelvin bath temperatures under continuous-wave (cw) excitation.
Heinrich Stolz, Rico Schwartz, Frank Kieseling, Sunipa Som, Maria Kaupsch, Siegfried Sobkowiak, Dirk Semkat, Nobuko Naka, Thomas Koch, Holger Fehske   +9 more
doaj   +1 more source

Double dome structure of the Bose-Einstein condensation in diluted S = 3/2 quantum magnets. [PDF]

Nat Commun, 2023
Watanabe Y, Miyake A, Gen M, Mizukami Y, Hashimoto K, Shibauchi T, Ikeda A, Tokunaga M, Kurumaji T, Tokunaga Y, Arima TH.   +10 more
europepmc   +1 more source