Axion physics in a Josephson junction environment

Details Axion physics in a Josephson junction environment Axion physics in a Josephson junction environment

2010-08-12

arxiv.org/abs/1008.2085v3

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Emphasis put on SQUID-like interaction between axions and Josephson junctions. Added a figure. This final version to appear in

Scientific paper

We show that recent experiments based on Josephson junctions, SQUIDS, and coupled Josephson qubits have a cosmological interpretation in terms of axionic dark matter physics, in the sense that they allow for analogue simulation of early-universe axion physics. We propose new experimental setups in which SQUID-like axionic interactions in a resonant Josephson junction environment can be tested, similar in nature to recent experiments that test for quantum entanglement of two coupled Josephson qubits. We point out that the parameter values relevant for early-universe axion cosmology are accessible with present day's achievements in nanotechnology.

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