Longitudinal and transverse cooling of relativistic electron beams in intense laser pulses

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Abstract

With the emergence in the next few years of a new breed of high power laser facilities, it is becoming increasingly important to understand how interacting with intense laser pulses affects the bulk properties of a relativistic electron beam. A detailed analysis of the radiative cooling of electrons indicates that, classically, equal contributions to the phase space contraction occur in the transverse and longitudinal directions. In the weakly quantum regime, in addition to an overall reduction in beam cooling, this symmetry is broken, leading to significantly less cooling in the longitudinal than the transverse directions. By introducing an efficient new technique for studying the evolution of a particle distribution, we demonstrate the quantum reduction in beam cooling, and find that it depends on the distribution of energy in the laser pulse, rather than just the total energy as in the classical case.
Original languageEnglish
Article number053025
Pages (from-to)1-13
Number of pages13
JournalNew Journal of Physics
Volume17
Issue number5
DOIs
Publication statusPublished - 18 May 2015

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relativistic electron beams
cooling
pulses
lasers
high power lasers
contraction
broken symmetry
energy
electrons

Keywords

  • accelerators
  • beams and electromagnetism
  • quantum mechanics
  • quantum information

Cite this

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title = "Longitudinal and transverse cooling of relativistic electron beams in intense laser pulses",
abstract = "With the emergence in the next few years of a new breed of high power laser facilities, it is becoming increasingly important to understand how interacting with intense laser pulses affects the bulk properties of a relativistic electron beam. A detailed analysis of the radiative cooling of electrons indicates that, classically, equal contributions to the phase space contraction occur in the transverse and longitudinal directions. In the weakly quantum regime, in addition to an overall reduction in beam cooling, this symmetry is broken, leading to significantly less cooling in the longitudinal than the transverse directions. By introducing an efficient new technique for studying the evolution of a particle distribution, we demonstrate the quantum reduction in beam cooling, and find that it depends on the distribution of energy in the laser pulse, rather than just the total energy as in the classical case.",
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Longitudinal and transverse cooling of relativistic electron beams in intense laser pulses. / Yoffe, Samuel R; Kravets, Yevgen; Noble, Adam; Jaroszynski, Dino A.

In: New Journal of Physics, Vol. 17, No. 5, 053025, 18.05.2015, p. 1-13.

Research output: Contribution to journalArticle

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T1 - Longitudinal and transverse cooling of relativistic electron beams in intense laser pulses

AU - Yoffe, Samuel R

AU - Kravets, Yevgen

AU - Noble, Adam

AU - Jaroszynski, Dino A

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AB - With the emergence in the next few years of a new breed of high power laser facilities, it is becoming increasingly important to understand how interacting with intense laser pulses affects the bulk properties of a relativistic electron beam. A detailed analysis of the radiative cooling of electrons indicates that, classically, equal contributions to the phase space contraction occur in the transverse and longitudinal directions. In the weakly quantum regime, in addition to an overall reduction in beam cooling, this symmetry is broken, leading to significantly less cooling in the longitudinal than the transverse directions. By introducing an efficient new technique for studying the evolution of a particle distribution, we demonstrate the quantum reduction in beam cooling, and find that it depends on the distribution of energy in the laser pulse, rather than just the total energy as in the classical case.

KW - accelerators

KW - beams and electromagnetism

KW - quantum mechanics

KW - quantum information

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