The Schrödinger Formalism of Electromagnetism and Other Classical Waves How to Make Quantum-Wave Analogies Rigorous

Giuseppe De Nittis, Max Lein

Research output: Contribution to journalArticlepeer-review

Abstract

This paper systematically develops the Schrödinger formalism that is valid also for gyrotropic media where the material weights W = 6= W are complex. This is a non-Trivial extension of the Schrödinger formalism for nongyrotropicmedia (whereW = W) that has been known since at least the 1960s [Wil66; Kat67]. Here, Maxwell-s equations are rewritten in the form it = M where the selfadjoint (hermitian) Maxwell operator M = W-1 Rot 0 = M takes the place of the Hamiltonian and is a complex wave representing the physical field (E,H) = 2Re. Writing Maxwell-s equations in Schrödinger form gives us access to the rich toolbox of techniques initially developed for quantum mechanics and allows us to apply them to classical waves. To show its utility, we explain how to identify conserved quantities in this formalism. Moreover, we sketch how to extend our ideas to other classical waves.

MSC Codes 35P99, 35Q60, 35Q61, 78A48, 81Q10

Original languageEnglish
JournalUnknown Journal
Publication statusPublished - 2017 Oct 23

Keywords

  • Maxwell equations
  • Maxwell operator
  • quantum-wave analogies
  • Schrödinger equation

ASJC Scopus subject areas

  • General

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