Photon polarization tensor in circularly polarized Hermite- A nd Laguerre-Gaussian beams

Abstract

We derive analytical expressions for the photon polarization tensor in circularly polarized Hermite-Gaussian (HG) and Laguerre-Gaussian (LG) beams, complementing the corresponding results for linearly polarized beams obtained recently. As they are based upon a locally constant field approximation of the one-loop Heisenberg-Euler effective Lagrangian for quantum electrodynamics (QED) in constant fields, our results are generically limited to slowly varying electromagnetic fields, varying on spatial (temporal) scales much larger than the Compton wavelength (time) of the electron.

Original language	English
Article number	1850044
Journal	Modern Physics Letters A
Volume	33
Issue number	7-8
DOIs	https://doi.org/10.1142/S021773231850044X
Publication status	Published - 14 Mar 2018

Keywords

laser fields
Quantum electrodynamics (QED)
strong field QED

ASJC Scopus subject areas

Nuclear and High Energy Physics
Astronomy and Astrophysics
Physics and Astronomy(all)

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10.1142/S021773231850044X

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title = "Photon polarization tensor in circularly polarized Hermite- A nd Laguerre-Gaussian beams",

abstract = "We derive analytical expressions for the photon polarization tensor in circularly polarized Hermite-Gaussian (HG) and Laguerre-Gaussian (LG) beams, complementing the corresponding results for linearly polarized beams obtained recently. As they are based upon a locally constant field approximation of the one-loop Heisenberg-Euler effective Lagrangian for quantum electrodynamics (QED) in constant fields, our results are generically limited to slowly varying electromagnetic fields, varying on spatial (temporal) scales much larger than the Compton wavelength (time) of the electron.",

keywords = "laser fields, Quantum electrodynamics (QED), strong field QED",

author = "Felix Karbstein and Mosman, {Elena A.}",

year = "2018",

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language = "English",

volume = "33",

journal = "Modern Physics Letters A",

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T1 - Photon polarization tensor in circularly polarized Hermite- A nd Laguerre-Gaussian beams

AU - Karbstein, Felix

AU - Mosman, Elena A.

PY - 2018/3/14

Y1 - 2018/3/14

N2 - We derive analytical expressions for the photon polarization tensor in circularly polarized Hermite-Gaussian (HG) and Laguerre-Gaussian (LG) beams, complementing the corresponding results for linearly polarized beams obtained recently. As they are based upon a locally constant field approximation of the one-loop Heisenberg-Euler effective Lagrangian for quantum electrodynamics (QED) in constant fields, our results are generically limited to slowly varying electromagnetic fields, varying on spatial (temporal) scales much larger than the Compton wavelength (time) of the electron.

AB - We derive analytical expressions for the photon polarization tensor in circularly polarized Hermite-Gaussian (HG) and Laguerre-Gaussian (LG) beams, complementing the corresponding results for linearly polarized beams obtained recently. As they are based upon a locally constant field approximation of the one-loop Heisenberg-Euler effective Lagrangian for quantum electrodynamics (QED) in constant fields, our results are generically limited to slowly varying electromagnetic fields, varying on spatial (temporal) scales much larger than the Compton wavelength (time) of the electron.

KW - laser fields

KW - Quantum electrodynamics (QED)

KW - strong field QED

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