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Reprint of: Current drag in two leg quantum ladders

Published in Physica E: Low-dimensional Systems and Nanostructures. 2016, vol. 82, p. 66-70
Abstract A two-leg ladder of either interacting bosons or tightly bound cooper pairs is investigated when a supercurrent is forced in one of the legs of the ladder. The two legs of the ladder are connected by a tunneling term. Using a bosonization representation of such an interacting ladder we show that up to a certain critical current the current in the first wire induces an identical supercurrent in the second wire. When this threshold is exceeded vortices are formed in the system and the current in the second wire reduces even if the driving current increases. Potential applications to condensed matter or cold atomic systems are discussed.
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Research group Groupe Giamarchi
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GIAMARCHI, Thierry. Reprint of: Current drag in two leg quantum ladders. In: Physica E: Low-dimensional Systems and Nanostructures, 2016, vol. 82, p. 66-70. https://archive-ouverte.unige.ch/unige:87797

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Deposited on : 2016-09-27

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