| Issue |
Europhys. Lett.
Volume 56, Number 6, December 2001
|
|
|---|---|---|
| Page(s) | 778 - 783 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2001-00366-3 | |
| Published online | 01 December 2003 | |
Probing the Brans-Dicke gravitational field by Cherenkov radiation
Dipartimento di Scienze Fisiche "E. R. Caianiello" - Università
di Salerno I-84081 Baronissi (SA) Italy and
INFN, Gruppo Collegato di Salerno - Italy
Corresponding author: lambiase@sa.infn.it
Received:
29
March
2001
Accepted:
8
October
2001
The possibility that a charged particle propagating in a
gravitational field described by Brans-Dicke theory of gravity
could emit Cherenkov radiation is explored. This process is
kinematically allowed depending on parameters occurring in the
theory. The Cherenkov effect disappears as the BD parameter
, i.e. in the limit in which the Einstein
theory is recovered, giving a strong signature to probe the
validity of the Brans-Dicke theory.
PACS: 04.50.+h – Gravity in more than four dimensions, Kaluza-Klein theory, unified field theories; alternative theories of gravity / 41.60.Bq – Cherenkov radiation
© EDP Sciences, 2001
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