Atomic current across an optical lattice |
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| Authors: | Ponomarev Alexey V Madroñero Javier Kolovsky Andrey R Buchleitner Andreas |
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| Institution: | Max-Planck-Institut für Physik komplexer Systeme, N?thnitzer Strasse 38, 01187 Dresden, Germany. |
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| Abstract: | We devise a microscopic model for the emergence of a collision-induced, fermionic atomic current across a tilted optical lattice. Tuning the--experimentally controllable--parameters of the microscopic dynamics allows us to switch from Ohmic to negative differential conductance. |
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