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Charge transport through ultrasmall single and double Josephson junctions coupled to resonant modes of the electromagnetic environment

Research output: Contribution to journalJournal articlepeer-review

Published
  • Yuri Pashkin
  • H. Im
  • J. Leppaekangas
  • T. F. Li
  • O. Astafiev
  • A. A. Abdumalikov
  • E. Thuneberg
  • J. S. Tsai
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Article number020502
<mark>Journal publication date</mark>20/01/2011
<mark>Journal</mark>Physical review B
Issue number2
Volume83
Number of pages4
Pages (from-to)-
Publication StatusPublished
<mark>Original language</mark>English

Abstract

We have investigated charge transport in ultrasmall superconducting single and double Josephson junctions coupled to resonant modes of the electromagnetic environment. We observe pronounced current peaks in the transport characteristics of both types of devices and attribute them to the process involving simultaneous tunneling of Cooper pairs and photon emission into the resonant modes. The experimental data are well reproduced with the theoretical models.