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Cited by 483

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Perturbation theory for Maxwell’s equations with shifting material boundaries

Johnson, Steven G., Ibanescu, M., Skorobogatiy, M. A., Weisberg, O., Joannopoulos, J. D., Fink, Y.·2002·Physical Review E

Abstract

Perturbation theory permits the analytic study of small changes on known solutions, and is especially useful in electromagnetism for understanding weak interactions and imperfections. Standard perturbation-theory techniques, however, have difficulties when applied to Maxwell's equations for small shifts in dielectric interfaces (especially in high-index-contrast, three-dimensional systems) due to the discontinuous field boundary conditions--in fact, the usual methods fail even to predict the lowest-order behavior. By considering a sharp boundary as a limit of anisotropically smoothed systems, we are able to derive a correct first-order perturbation theory and mode-coupling constants, involving only surface integrals of the unperturbed fields over the perturbed interface. In addition, we discuss further considerations that arise for higher-order perturbative methods in electromagnetism.

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Metadata

Authors
Johnson, S. G., Ibanescu, M., Skorobogatiy, M. A., Weisberg, O., Joannopoulos, J. D., & Fink, Y.
Venue
Physical Review E
Published
2002-06-20
Volume
65
Issue
6
Pages
066611-066611
ISSN
  • 1063-651X (ISSN-L)
  • 1095-3787
OpenAlex
W1986349933
Cited by
483
References
1
FWCI
7.61
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Perturbation theory for Maxwell’s equations with shifting material boundaries. https://app.cochat.ai/papers/10.1103/physreve.65.066611
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Johnson, S. G., Ibanescu, M., Skorobogatiy, M. A., Weisberg, O., Joannopoulos, J. D., & Fink, Y. (2002). Perturbation theory for Maxwell’s equations with shifting material boundaries. Physical Review E. https://doi.org/10.1103/physreve.65.066611

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