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| related topics |
| {field, particle, equation} |
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| {time, wave, function} |
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Classical and quantum radiation reaction for linear acceleration
Atsushi Higuchi, Giles D. R. Martin
abstract: We investigate the effect of radiation reaction on the motion of a wave
packet of a charged scalar particle linearly accelerated in quantum
electrodynamics. We give the details of the calculations for the case where the
particle is accelerated by a static potential that were outlined in Phys.Rev. D
70 (2004) 081701(R) and present similar results in the case of a time-dependent
but space-independent potential. In particular, we calculate the expectation
value of the position of the charged particle after the acceleration, to first
order in the fine structure constant in the $\hbar \to 0$ limit, and find that
the change in the expectation value of the position (the position shift) due to
radiation reaction agrees exactly with the result obtained using the
Lorentz-Dirac force in classical electrodynamics for both potentials. We also
point out that the one-loop correction to the potential may contribute to the
position change in this limit.
- oai_identifier:
- oai:arXiv.org:quant-ph/0501026
- categories:
- quant-ph hep-th
- comments:
- 14 pages, 4 figures, REVTeX. Details and extension of calculations
outlined in Phys.Rev. D70 (2004) 081701(R), quant-ph/0407162
- doi:
- 10.1007/s10701-005-6405-0
- arxiv_id:
- quant-ph/0501026
- journal_ref:
- Found.Phys. 35 (2005) 1149-1179
- created:
- 2005-01-06
Full article ▸
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