An Algebraic Approach to Light–Matter Interactions

Abstract A theoretical and computational framework for the study and engineering of light–matter interactions is reviewed in here. The framework rests on the invariance properties of electromagnetism, and is formalized in a Hilbert space whose conformally invariant scalar product provides connection...

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Main Author: Ivan Fernandez‐Corbaton
Format: Article
Language:English
Published: Wiley-VCH 2025-01-01
Series:Advanced Physics Research
Subjects:
Online Access:https://doi.org/10.1002/apxr.202400088
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author Ivan Fernandez‐Corbaton
author_facet Ivan Fernandez‐Corbaton
author_sort Ivan Fernandez‐Corbaton
collection DOAJ
description Abstract A theoretical and computational framework for the study and engineering of light–matter interactions is reviewed in here. The framework rests on the invariance properties of electromagnetism, and is formalized in a Hilbert space whose conformally invariant scalar product provides connections to physical quantities, such as the energy or momentum of a given field, or the outcome of measurements. The light–matter interaction is modeled by the polychromatic scattering operator, which establishes a natural connection to a popular computational formalism, the transition matrix, or T‐matrix. This review contains a succinct yet comprehensive description of the main theoretical ideas, and illustrates some of the practical benefits of the approach.
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spelling doaj-art-fcc9bd558f1f4cbbbe5cc5f5325e3d432025-01-10T12:23:42ZengWiley-VCHAdvanced Physics Research2751-12002025-01-0141n/an/a10.1002/apxr.202400088An Algebraic Approach to Light–Matter InteractionsIvan Fernandez‐Corbaton0Institute of Nanotechnology Karlsruhe Institute of Technology Kaiserstrasse 12 76131 Karlsruhe GermanyAbstract A theoretical and computational framework for the study and engineering of light–matter interactions is reviewed in here. The framework rests on the invariance properties of electromagnetism, and is formalized in a Hilbert space whose conformally invariant scalar product provides connections to physical quantities, such as the energy or momentum of a given field, or the outcome of measurements. The light–matter interaction is modeled by the polychromatic scattering operator, which establishes a natural connection to a popular computational formalism, the transition matrix, or T‐matrix. This review contains a succinct yet comprehensive description of the main theoretical ideas, and illustrates some of the practical benefits of the approach.https://doi.org/10.1002/apxr.202400088conformal symmetryhilbert spacelight–matter interactionsT‐matrix
spellingShingle Ivan Fernandez‐Corbaton
An Algebraic Approach to Light–Matter Interactions
Advanced Physics Research
conformal symmetry
hilbert space
light–matter interactions
T‐matrix
title An Algebraic Approach to Light–Matter Interactions
title_full An Algebraic Approach to Light–Matter Interactions
title_fullStr An Algebraic Approach to Light–Matter Interactions
title_full_unstemmed An Algebraic Approach to Light–Matter Interactions
title_short An Algebraic Approach to Light–Matter Interactions
title_sort algebraic approach to light matter interactions
topic conformal symmetry
hilbert space
light–matter interactions
T‐matrix
url https://doi.org/10.1002/apxr.202400088
work_keys_str_mv AT ivanfernandezcorbaton analgebraicapproachtolightmatterinteractions
AT ivanfernandezcorbaton algebraicapproachtolightmatterinteractions