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pro vyhledávání: '"Hutchings, N. A. C."'
We investigate a new type of quantum ratchet which may be realised by cold atoms in a double-well optical lattice which is pulsed with unequal periods. The classical dynamics is chaotic and we find the classical diffusion rate $D$ is asymmetric in mo
Externí odkaz:
http://arxiv.org/abs/physics/0203056
Autor:
Hutchings NA; Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom., Isherwood MR, Jonckheere T, Monteiro TS
Publikováno v:
Physical review. E, Statistical, nonlinear, and soft matter physics [Phys Rev E Stat Nonlin Soft Matter Phys] 2004 Sep; Vol. 70 (3 Pt 2), pp. 036205. Date of Electronic Publication: 2004 Sep 15.
Autor:
Monteiro TS; Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom., Dando PA, Hutchings NA, Isherwood MR
Publikováno v:
Physical review letters [Phys Rev Lett] 2002 Nov 04; Vol. 89 (19), pp. 194102. Date of Electronic Publication: 2002 Oct 22.