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Title: Negative conductance in driven Josephson junctions
Authors: Kostur, Marcin
Machura, Łukasz
Łuczka, Jerzy
Talkner, P.
Hanggi, P.
Keywords: nadprzewodniki; zjawiska transportu; dynamika nieliniowa; chaos; efekty termoelektryczne; zjawiska Josephsona
Issue Date: 2008
Citation: Acta Physica Polonica B, Vol. 39, no. 5 (2008), s. 1115-1124
Abstract: We investigate an optimal regime of negative-valued conductance, emerging in a resistively and capacitively shunted Josephson junction, which is driven simultaneously by both, a time-periodic (ac) and a constant (dc) current. We analyze the current-voltage characteristics in the regime of absolute negative conductance. We additionally explore the stability of the negative response with respect to the ac-current frequency.
ISSN: 0587-4254
Appears in Collections:Artykuły (WNŚiT)

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