Negative Josephson coupling in the Kondo strong coupling limit
Oron Zachar
TL;DR
This paper demonstrates that in a one-dimensional Kondo lattice, pair hopping through a Kondo singlet results in a negative Josephson coupling, indicating staggered pair correlations in the strong coupling regime.
Contribution
It provides theoretical evidence for negative Josephson coupling due to pair hopping in the Kondo strong coupling limit, highlighting staggered pair correlations.
Findings
Negative Josephson coupling arises from pair hopping through Kondo singlets.
Supports existence of staggered pair correlations in the strong coupling limit.
Calculations confirm theoretical predictions in one-dimensional Kondo lattices.
Abstract
We Show that pair hopping through a Kondo singlet give rise to a negative Josephson coupling. Thus, our calculation supports the existance of staggered pair correlations in the strong coupling limit of a one dimensional Kondo lattice.
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Taxonomy
TopicsQuantum and electron transport phenomena · Quantum Chromodynamics and Particle Interactions · Atomic and Subatomic Physics Research