Coherent caloritronics in Josephson-based nanocircuits

MJ Martínez-Pérez, P Solinas, F Giazotto - Journal of Low Temperature …, 2014 - Springer
We describe here the first experimental realization of a heat interferometer, thermal
counterpart of the well-known superconducting quantum interference device. These findings …

Shaped Josephson junction qubits

AV Ustinov, A Walraff, Y Koval - US Patent 6,627,915, 2003 - Google Patents
(57) ABSTRACT A Superconducting qubit is presented. The qubit is a shaped long
Josephson junction with a magnetic fluxon Such that, in the presence of an externally …

Coherent diffraction of thermal currents in Josephson tunnel junctions

F Giazotto, MJ Martínez-Pérez, P Solinas - Physical Review B—Condensed …, 2013 - APS
We theoretically investigate heat transport in temperature-biased Josephson tunnel
junctions in the presence of an in-plane magnetic field. In full analogy with the Josephson …

Fluxon injection into annular Josephson junctions

AV Ustinov - US Patent 6,728,131, 2004 - Google Patents
A method for inserting fluxons into an annular Josephson junction is disclosed. Fluxon
injection according to the present invention is based on local current injection into one of the …

Static properties of small Josephson tunnel junctions in a transverse magnetic field

R Monaco, M Aaroe, J Mygind… - Journal of Applied …, 2008 - pubs.aip.org
The magnetic field distribution in the barrier of small planar Josephson tunnel junctions is
numerically simulated in the case when an external magnetic field is applied perpendicular …

Measurements of critical-current diffraction patterns in annular Josephson junctions

A Franz, A Wallraff, AV Ustinov - Physical Review B, 2000 - APS
We report systematic measurements of the critical current versus magnetic-field patterns of
annular Josephson junctions in a wide magnetic-field range. A modulation of the envelope …

Fraunhofer critical-current diffraction pattern in annular Josephson junctions with injected current

C Nappi, MP Lissitski, R Cristiano - Physical Review B, 2002 - APS
We show that in a small annular junction the injection of a local current in one of the two ring
electrodes causes the Josephson critical current to modulate according to the Fraunhofer …

Magnetic properties of annular Josephson junctions for radiation detection: Experimental results

R Cristiano, E Esposito, L Frunzio, MP Lisitskii… - Applied physics …, 1999 - pubs.aip.org
We report on experimental results about Josephson junctions for radiation detection with an
annular geometry. The observed suppression of the critical Josephson current and the …

Fiske steps in annular Josephson junctions with trapped flux quanta

C Nappi, R Cristiano, MP Lisitskii - Physical Review B, 1998 - APS
The position and amplitude of self-resonances (Fiske steps) of an annular Josephson
junction with magnetic flux trapped in one of two electrodes have been calculated using a …

Annular Josephson junctions as superconductive nuclear particle detectors

C Nappi, R Cristiano - Applied physics letters, 1997 - pubs.aip.org
A new geometrical configuration for superconductive tunnel junctions as high energy
resolution particle detectors is presented. The proposed configuration is based on annular …