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10 papers · 2 filters
Specific heat measurement of mesoscopic loops
O. Bourgeois, F. Ong, S. E. Skipetrov +1
We report highly sensitive specific heat measurement on mesoscopic superconducting loops at low temperature. These mesoscopic systems exhibit thermal properties significantly diffe…
Electronic spin precession and interferometry from spin-orbital entanglement in a double quantum dot
Pascal Simon, Denis Feinberg
A double quantum dot inserted in parallel between two metallic leads allows to entangle the electron spin with the orbital (dot index) degree of freedom. An Aharonov-Bohm orbital p…
Finite frequency quantum noise in an interacting mesoscopic conductor
F. W. J. Hekking, J. P. Pekola
We present a quantum calculation based on scattering theory of the frequency dependent noise of current in an interacting chaotic cavity. We include interactions of the electron sy…
Flux-dependent Kondo temperature in an Aharonov-Bohm interferometer with an in-line quantum dot
Pascal Simon, Ora Entin-Wohlman, Amnon Aharony
An Aharonov-Bohm interferometer (ABI) carrying a quantum dot on one of its arms is analyzed. It is found that the Kondo temperature of the device depends strongly on the magnetic f…
Adiabatic pumping in a Superconductor-Normal-Superconductor weak link
M. Governale, F. Taddei, F. W. J. Hekking +1
We present a formalism to study adiabatic pumping through a superconductor - normal - superconductor weak link. At zero temperature, the pumped charge is related to the Berry phase…
Superharmonic Josephson relation at 0-/-junction transition
M. Houzet, V. Vinokur, F. Pistolesi
Critical current was recently measured near the transition from 0 to -contact in superconductor/ferromagnet/superconductor Josephson junctions. Contrary to expectations, it does…