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Extended locally constant field approximation for nonlinear Compton scattering

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Extended locally constant field approximation for nonlinear Compton scattering. / Ilderton, A.; King, B; Seipt, D.
In: Physical review a, Vol. 99, No. 4, 042121, 23.04.2019.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ilderton, A, King, B & Seipt, D 2019, 'Extended locally constant field approximation for nonlinear Compton scattering', Physical review a, vol. 99, no. 4, 042121. https://doi.org/10.1103/PhysRevA.99.042121

APA

Ilderton, A., King, B., & Seipt, D. (2019). Extended locally constant field approximation for nonlinear Compton scattering. Physical review a, 99(4), Article 042121. https://doi.org/10.1103/PhysRevA.99.042121

Vancouver

Ilderton A, King B, Seipt D. Extended locally constant field approximation for nonlinear Compton scattering. Physical review a. 2019 Apr 23;99(4):042121. doi: 10.1103/PhysRevA.99.042121

Author

Ilderton, A. ; King, B ; Seipt, D. / Extended locally constant field approximation for nonlinear Compton scattering. In: Physical review a. 2019 ; Vol. 99, No. 4.

Bibtex

@article{46c207929e90416cac0be1ee153aaecf,
title = "Extended locally constant field approximation for nonlinear Compton scattering",
abstract = "The locally constant field approximation(LCFA) has to date underpinned the numerical simulation of quantum processes in laser-plasma physics and astrophysics, but its validity has recently been questioned in the parameter regime of current laser experiments. While improvements are needed, literature corrections to the LCFA show inherent problems. Using nonlinear Compton scattering in laser fields to illustrate, we show here how to overcome the problems in LCFA corrections. We derive an LCFA+, which, compared with the full QED result, shows an improvement over the LCFA across the whole photon emission spectrum. We also demonstrate an implementation of our results in the type of numerical code used to design and analyze intense laser experiments.",
keywords = "Astrophysics, Emission spectroscopy, Laser produced plasmas, Plasma interactions, Field approximations, Intense laser, Laser experiments, Laser plasma, Numerical code, Parameter regimes, Photon emissions, Quantum process, Compton scattering",
author = "A. Ilderton and B King and D. Seipt",
year = "2019",
month = apr,
day = "23",
doi = "10.1103/PhysRevA.99.042121",
language = "English",
volume = "99",
journal = "Physical review a",
issn = "1050-2947",
publisher = "American Physical Society",
number = "4",

}

RIS

TY - JOUR

T1 - Extended locally constant field approximation for nonlinear Compton scattering

AU - Ilderton, A.

AU - King, B

AU - Seipt, D.

PY - 2019/4/23

Y1 - 2019/4/23

N2 - The locally constant field approximation(LCFA) has to date underpinned the numerical simulation of quantum processes in laser-plasma physics and astrophysics, but its validity has recently been questioned in the parameter regime of current laser experiments. While improvements are needed, literature corrections to the LCFA show inherent problems. Using nonlinear Compton scattering in laser fields to illustrate, we show here how to overcome the problems in LCFA corrections. We derive an LCFA+, which, compared with the full QED result, shows an improvement over the LCFA across the whole photon emission spectrum. We also demonstrate an implementation of our results in the type of numerical code used to design and analyze intense laser experiments.

AB - The locally constant field approximation(LCFA) has to date underpinned the numerical simulation of quantum processes in laser-plasma physics and astrophysics, but its validity has recently been questioned in the parameter regime of current laser experiments. While improvements are needed, literature corrections to the LCFA show inherent problems. Using nonlinear Compton scattering in laser fields to illustrate, we show here how to overcome the problems in LCFA corrections. We derive an LCFA+, which, compared with the full QED result, shows an improvement over the LCFA across the whole photon emission spectrum. We also demonstrate an implementation of our results in the type of numerical code used to design and analyze intense laser experiments.

KW - Astrophysics

KW - Emission spectroscopy

KW - Laser produced plasmas

KW - Plasma interactions

KW - Field approximations

KW - Intense laser

KW - Laser experiments

KW - Laser plasma

KW - Numerical code

KW - Parameter regimes

KW - Photon emissions

KW - Quantum process

KW - Compton scattering

U2 - 10.1103/PhysRevA.99.042121

DO - 10.1103/PhysRevA.99.042121

M3 - Journal article

VL - 99

JO - Physical review a

JF - Physical review a

SN - 1050-2947

IS - 4

M1 - 042121

ER -