Equilibrium in Gases
نویسندگان
چکیده
منابع مشابه
Ultracold gases far from equilibrium
Ultracold atomic quantum gases belong to the most exciting challenges of modern physics. Their theoretical description has drawn much from (semi-) classical field equations. These mean-field approximations are in general reliable for dilute gases in which the atoms collide only rarely with each other, and for situations where the gas is not too far from thermal equilibrium. With present-day tec...
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We calculate the time evolution of a far-from-equilibrium initial state of a non-relativistic ultracold Bose gas in one spatial dimension. The non-perturbative approximation scheme is based on a systematic expansion of the two-particle irreducible effective action in powers of the inverse number of field components. This yields dynamic equations which contain direct scattering, memory and off-s...
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D. S. Ding, 2, ∗ C. S. Adams, † B. S. Shi, 2, ‡ and G. C. Guo 2 Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, China. Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China. Department of Physics, Joint Quantum Centre (JQC) Durham-Newcastle, Dur...
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ژورنال
عنوان ژورنال: Nature
سال: 1875
ISSN: 0028-0836,1476-4687
DOI: 10.1038/012026c0