Results 121 to 130 of about 6,001 (225)
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 +6 more
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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 +3 more
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Carnot Cycles in a Harmonically Confined Ultracold Gas across Bose-Einstein Condensation. [PDF]
Entropy (Basel), 2023 Reyes-Ayala I +6 more
europepmc +1 more source
Dynamics of Fluctuating Bose–Einstein Condensates
Journal of Low Temperature Physics, 2001 We present a generalized Gross-Pitaevskii equation that describes also the dissipative dynamics of a trapped partially Bose condensed gas. It takes the form of a complex nonlinear Schrödinger equation with noise. We consider an approximation to this Langevin field equation that preserves the correct equilibrium for both the condensed and the ...
Bijlsma, M.J., Stoof, H.T.C.
openaire +5 more sources
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 +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
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 +9 more
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Double dome structure of the Bose-Einstein condensation in diluted S = 3/2 quantum magnets. [PDF]
Nat Commun, 2023 Watanabe Y +10 more
europepmc +1 more source
Double magnetic resonance in MnCO3 [PDF]
Magnetic Resonance in Solids, 2015 Results of experiments on MnCO3 investigations by double magnetic resonance are presented. Additional mode of oscillation has been observed in a created Bose-Einstein condensation of magnons state in MnCO3.
Yu.M. Bunkov, A.V. Klochkov, T.R. Safin, K.R. Safiullin, M.S. Tagirov
doaj
Supermode-density-wave-polariton condensation with a Bose–Einstein condensate in a multimode cavity
Nature Communications, 2017 When a single mode optical cavity is coupled to a Bose-Einstein condensate, one usually observes a single mode of light when strongly pumped. Here the authors observe a supermode in the output of a multimode cavity and relate this to a signature of a ...
Alicia J. Kollár +5 more
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