Simulations of “tunnelling of the 3rd kind”

Mou, Zong-Gang, Saffin, Paul M., Tognarelli, Paul and Tranberg, Anders (2017) Simulations of “tunnelling of the 3rd kind”. Journal of High Energy Physics, 2017 (7). pp. 1-22. ISSN 1029-8479

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We consider the phenomenon of ``tunnelling of the 3rd kind" \cite{third}, whereby a magnetic field may traverse a classically impenetrable barrier by pair creation of unimpeded quantum fermions. These propagate through the barrier and generate a magnetic field on the other side. We study this numerically using quantum fermions coupled to a classical Higgs-gauge system, where we set up a magnetic field outside a box shielded by two superconducting barriers. We examine the magnitude of the internal magnetic field, and find agreement with existing perturbative results within a factor of two.

Item Type: Article
Keywords: Lattice Quantum Field Theory; Nonperturbative Effects
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number:
Depositing User: Saffin, Dr Paul
Date Deposited: 27 Jul 2017 08:28
Last Modified: 04 May 2020 18:54

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