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Bending the rules, naturally

Bending the rules, naturally mate Rial witness news & views Negative refraction seems to defy the ferromagnetic and superconducting normal laws of optics. Light entering thin films, specifically (La:Sr)MnO and a material with this property bends YBa Cu O (ref. ). The former provides 2 3 7 ‘the wrong way’ — away from the negative permeability (when subjected surface normal — producing odd to an applied magnetic field), the latter optical effects that can be exploited negative permittivity. This behaviour to make special lenses and to direct manifests close to a ferromagnetic light rays along arbitrary trajectories. resonance in the (La:Sr)MnO films, The notion of a negative refractive when the magnetic moments rotate at index was first mooted in the 1960s by the same frequency as the incident light. Philip Ball Russian physicist Victor Veselago as a Admittedly, there was still a fair thought experiment . He showed that degree of artifice involved in making if both the permittivity of a substance this composite material, even if it the quantum vacuum. But because the ε (its response to an electric field) does not demand individual sculpting electrons are effectively massless, the and its permeability μ (the response of the ‘atoms’. But two years http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Materials Springer Journals

Bending the rules, naturally

Ball, Philip
Nature Materials , Volume 21 (1) – Jan 1, 2022
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Bending the rules, naturally

Abstract

mate Rial witness news & views Negative refraction seems to defy the ferromagnetic and superconducting normal laws of optics. Light entering thin films, specifically (La:Sr)MnO and a material with this property bends YBa Cu O (ref. ). The former provides 2 3 7 ‘the wrong way’ — away from the negative permeability (when subjected surface normal — producing odd to an applied magnetic field), the latter optical effects that can be exploited negative permittivity. This...
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References (16)

Publisher
Springer Journals
Copyright
Copyright © Springer Nature Limited 2021
ISSN
1476-1122
eISSN
1476-4660
DOI
10.1038/s41563-021-01180-3
Publisher site
See Article on Publisher Site

Abstract

mate Rial witness news & views Negative refraction seems to defy the ferromagnetic and superconducting normal laws of optics. Light entering thin films, specifically (La:Sr)MnO and a material with this property bends YBa Cu O (ref. ). The former provides 2 3 7 ‘the wrong way’ — away from the negative permeability (when subjected surface normal — producing odd to an applied magnetic field), the latter optical effects that can be exploited negative permittivity. This behaviour to make special lenses and to direct manifests close to a ferromagnetic light rays along arbitrary trajectories. resonance in the (La:Sr)MnO films, The notion of a negative refractive when the magnetic moments rotate at index was first mooted in the 1960s by the same frequency as the incident light. Philip Ball Russian physicist Victor Veselago as a Admittedly, there was still a fair thought experiment . He showed that degree of artifice involved in making if both the permittivity of a substance this composite material, even if it the quantum vacuum. But because the ε (its response to an electric field) does not demand individual sculpting electrons are effectively massless, the and its permeability μ (the response of the ‘atoms’. But two years

Journal

Nature Materials – Springer Journals

Published: Jan 1, 2022

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