Zobrazeno 1 - 10 of 16 pro vyhledávání: '"J R Anglin"'
1
Akademický článek
Quasi-steady radiation of sound from turbulent sonic ergoregions
Autor: R Bürkle, A Gaidoukov, J R Anglin
Publikováno v: New Journal of Physics, Vol 20, Iss 8, p 083020 (2018)
Sonic Hawking radiation has recently been observed in dilute Bose–Einstein condensates (BECs), but it remains an open question whether this landmark achievement of atomic physics can lead to new insights into the effects on Hawking radiation of non
Externí odkaz: https://doaj.org/article/0b2f3eb07e5a46deaf97a7fde5c51214
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2
Akademický článek
Negative specific heat with trapped ultracold quantum gases
Autor: M P Strzys, J R Anglin
Publikováno v: New Journal of Physics, Vol 16, Iss 1, p 013013 (2014)
The second law of thermodynamics normally prescribes that heat tends to disperse, but in certain cases it instead implies that heat will spontaneously concentrate. The spontaneous formation of stars out of cold cosmic nebulae, without which the unive
Externí odkaz: https://doaj.org/article/4e8211fd2ab943d58ce55d70b87c1907
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4
Back-reaction of perturbation wave packets on gray solitons
Autor: J. R. Anglin, P. B. Walczak
Within the Bogoliubov-de Gennes linearization theory of quantum or classical perturbations around a background solution to the one-dimensional nonlinear Schr\"odinger equation, we study the back-reaction of wave packet perturbations on a gray soliton
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::138e4ae1dc1975f91dcba35b13f7d6f3
http://arxiv.org/abs/1204.0720
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6
Second Josephson excitations beyond mean field as a toy model for thermal pressure: exact quantum dynamics and the quantum phase model
Autor: M. P. Strzys, J. R. Anglin
Publikováno v: Physica Scripta. :014046
A simple four-mode Bose-Hubbard model with intrinsic time scale separation can be considered as a paradigm for mesoscopic quantum systems in thermal contact. In our previous work we showed that in addition to coherent particle exchange, a novel slow
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe166ba3b60464e474cb322147913fd4
https://doi.org/10.1088/0031-8949/2012/t151/014046
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