Charge transport through ultrasmall single and double Josephson junctions coupled to resonant modes of the electromagnetic environment
arXiv:1010.3617 · doi:10.1103/PhysRevB.83.020502
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 is well reproduced with the theoretical models.
4 pages, 3 figures
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- Correlated transport through junction arrays in the small Josephson energy limit: incoherent Cooper-pairs and hot electrons
- Inelastic scattering of microwave radiation in the dynamical Coulomb blockade
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