Optical Indistinguishability via Twinning Fields

Abstract

Here we introduce the concept of the twinning field -- a driving electromagnetic pulse that induces an identical optical response from two distinct materials. We show that for pairs of generic many-body systems, a twinning field which renders the systems \emph{optically indistinguishable} always exists. The conditions under which this field is unique are derived, and this analysis is supplemented by numerical calculations of twinning fields for the Fermi-Hubbard model. The universal existence of twinning fields may lead to new research directions in non-linear optics, materials science, and quantum technologies.

arXiv comment6 pages, 4 figures

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• Optical Distinguishability of Mott Insulators in Time vs Frequency Domain
• Atomic real-space perspective of light-field-driven currents in graphene
• Quantum tracking control of the orientation of symmetric top molecules
• Input-Output Optics as a Causal Time Series Mapping: A Generative Machine Learning Solution
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• Tuning the terahertz response of liquids by creating polar many-body excitations