Journal
PHYSICAL REVIEW B
Volume 88, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.88.094506
Keywords
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Funding
- FP7 program [228464]
- Italian Ministry of Defense through the PNRM project
- Marie Curie Initial Training Action (ITN) Q-NET [264034]
- FIRB-Futuro in Ricerca [RBFR1236VV]
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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 critical current, the phase-dependent component of the heat flux through the junction displays coherent diffraction. Thermal transport is analyzed in three prototypical junction geometries, highlighting their main differences. Notably, minimization of the Josephson coupling energy requires the quantum phase difference across the junction to undergo pi slips in suitable intervals of magnetic flux. An experimental setup suited to detect thermal diffraction is proposed and analyzed.
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