Fermi-Bose Transmutation for Stringlike Excitations of Maxwell-Higgs Systems
H. Fort, R. Gambini (Instituto de F\'isica, Montevideo, Uruguay)

TL;DR
This paper demonstrates Fermi-Bose transmutation in a Maxwell-Higgs system with Nielsen-Olesen strings, supporting the idea of boson-fermion transmutation in 3+1 dimensions through lattice regularization.
Contribution
It provides a rigorous Euclidean lattice framework showing Fermi-Bose transmutation in string-like excitations of Maxwell-Higgs systems.
Findings
Fermi-Bose transmutation occurs in Nielsen-Olesen strings with scalar sources
Lattice regularization confirms the transmutation phenomenon
Supports previous theoretical claims about boson-fermion transmutation in higher dimensions
Abstract
We show that a closed Nielsen-Olesen string in presence of a point scalar source exhibits the phenomenon of Fermi-Bose transmutation. This provides physical support to previous claims about transmutation between bosonic and fermionic one-dimensional structures in (3+1) dimensions. In order to render the computations mathematically rigorous we have resorted to an Euclidean lattice regularization.
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