Majer, J. B. and Peguiron, J. and Grifoni, Milena and Tusveld, M. and Mooij, J. E. (2003) Quantum Ratchet Effect for Vortices. Phys. Rev. Lett. 90 (5; 4 S), 056802.
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We have measured a quantum ratchet effect for vortices moving in a quasi-one-dimensional Josephson junction array. In this solid-state device the shape of the vortex potential energy, and consequently the band structure, can be accurately designed. This band structure determines the presence or absence of the quantum ratchet effect. In particular, asymmetric structures possessing only one band ...
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|Date:||4 February 2003|
|Institutions:||Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni|
|Subjects:||500 Science > 530 Physics|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||18 Sep 2009 09:16|
|Last Modified:||13 Mar 2014 10:59|