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Article

On the Possible Existence of a Quantum Linear Voigt Effect in Planar Magnetic Materials at Low Temperatures

by
Neil Collings
1,* and
Martin R. Parker
2
1
Institute of Physics, London N1 9BU, UK
2
Independent Researcher, Mobile, AL 36695, USA
*
Author to whom correspondence should be addressed.
Magnetism 2026, 6(1), 13; https://doi.org/10.3390/magnetism6010013
Submission received: 11 January 2026 / Revised: 5 March 2026 / Accepted: 13 March 2026 / Published: 20 March 2026

Abstract

This paper outlines a simple theoretical argument for the possibility of a quantum linear Voigt effect at low temperatures in certain media in the optical regime. An unlikely starting point for the ensuing argument arises out of a long-established hydrodynamic Lorentz field-modified classical dispersion theory whose Voigt component of the optical conductivity, when subjected to the Uncertainty Principle, results in a modified form in the quantum region. In contrast to its classical, second-order counterpart, this quantum Voigt conductivity is shown to have a (modular) linear field dependence.
Keywords: magnetooptics; quantum magnetism; linear magnetoresistance magnetooptics; quantum magnetism; linear magnetoresistance

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MDPI and ACS Style

Collings, N.; Parker, M.R. On the Possible Existence of a Quantum Linear Voigt Effect in Planar Magnetic Materials at Low Temperatures. Magnetism 2026, 6, 13. https://doi.org/10.3390/magnetism6010013

AMA Style

Collings N, Parker MR. On the Possible Existence of a Quantum Linear Voigt Effect in Planar Magnetic Materials at Low Temperatures. Magnetism. 2026; 6(1):13. https://doi.org/10.3390/magnetism6010013

Chicago/Turabian Style

Collings, Neil, and Martin R. Parker. 2026. "On the Possible Existence of a Quantum Linear Voigt Effect in Planar Magnetic Materials at Low Temperatures" Magnetism 6, no. 1: 13. https://doi.org/10.3390/magnetism6010013

APA Style

Collings, N., & Parker, M. R. (2026). On the Possible Existence of a Quantum Linear Voigt Effect in Planar Magnetic Materials at Low Temperatures. Magnetism, 6(1), 13. https://doi.org/10.3390/magnetism6010013

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