On wireless connection between Josephson qubits

TL;DR

This paper proposes a wireless coupling method for Josephson qubits using dipole-dipole interactions, offering a potentially feasible experimental approach for quantum information transfer.

Contribution

It introduces a novel wireless coupling scheme for Josephson qubits based solely on dipole-dipole interactions, with optimistic parameter estimates for experimental realization.

Findings

Model parameters suggest feasible experimental implementation

Wireless coupling via dipole-dipole interaction is theoretically possible

Proposes a new method for qubit connectivity without direct wiring

Abstract

By attributing a circulating Josephson current induced diamagnetic moment to a SQUID-type three-level qubit, a wireless connection between such qubits is proposed based only on dipole-dipole interaction between their moments. The estimates of the model parameters suggest quite an optimistic possibility to experimentally realize the suggested coupling scheme.