Macroscopic Quantum Tunneling and the "cosmic" Josephson effect

Details Macroscopic Quantum Tunneling and the "cosmic" Josephson effect Macroscopic Quantum Tunneling and the "cosmic" Josephson effect

2010-06-11

arxiv.org/abs/1006.2417v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 1 pdf figure. Added references and an inset in Fig. 1, results unchanged. To appear in Phys. Rev. D (Brief Report)

Scientific paper

We discuss the possible influence of a cosmic magnetic field on the
macroscopic quantum tunneling process associated, in a cosmological context, to
the decay of the "false vacuum." We find a close analogy with the effects of an
external magnetic field applied to a Josephson junction in the context of
low-temperature/high-temperature superconducting devices.

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