Journal article 1043 views
Finiteness of hot classical scalar field theory and the plasmon damping rate
Gert Aarts 
,
Jan Smit
,
Jan Smit
Physics Letters B, Volume: 393, Issue: 3-4, Pages: 395 - 402
Swansea University Author:
Gert Aarts
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DOI (Published version): 10.1016/S0370-2693(96)01624-3
Abstract
We investigate the renormalizability of the classical $\phi~4$ theory at finite temperature. We calculate the time-dependent two point function to two loop order and show that it can be rendered finite by the counterterms of the classical static theory. As an application the classical plasmon dampin...
| Published in: | Physics Letters B |
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| ISSN: | 03702693 |
| Published: |
1996
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa22628 |
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| Abstract: |
We investigate the renormalizability of the classical $\phi~4$ theory at finite temperature. We calculate the time-dependent two point function to two loop order and show that it can be rendered finite by the counterterms of the classical static theory. As an application the classical plasmon damping rate is found to be $\gm = \lambda~2 T~2/1536 \pi m$. When we use the high temperature expression for $m$ given by dimensional reduction, the rate is found to agree with the quantum mechanical result. |
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| Item Description: |
@articleAarts:1996qi, author = "Aarts, Gert and Smit, Jan", title = "Finiteness of hot classical scalar field theory and the plasmon damping rate", journal = "Phys.Lett.", volume = "B393", pages = "395-402", doi = "10.1016/S0370-2693(96)01624-3", year = "1997", eprint = "hep-ph/9610415", archivePrefix = "arXiv", primaryClass = "hep-ph", reportNumber = "THU-96-37, ITFA-96-43", SLACcitation = "%%CITATION = HEP-PH/9610415;%%", |
| College: |
Faculty of Science and Engineering |
| Issue: |
3-4 |
| Start Page: |
395 |
| End Page: |
402 |