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Author  |
del Rio, A.; Navarro-Salas, J. | ||||
| Title | Equivalence of adiabatic and DeWitt-Schwinger renormalization schemes | Type | Journal Article | ||
| Year | 2015 | Publication | Physical Review D | Abbreviated Journal | Phys. Rev. D |
| Volume | 91 | Issue | 6 | Pages | 064031 - 14pp |
| Keywords | |||||
| Abstract | We prove that adiabatic regularization and DeWitt-Schwinger point-splitting provide the same result when renormalizing expectation values of the stress-energy tensor for spin-1/2 fields. This generalizes the equivalence found for scalar fields, which is here recovered in a different way. We also argue that the coincidence limit of the DeWitt-Schwinger proper time expansion of the two-point function agrees exactly with the analogous expansion defined by the adiabatic regularization method at any order (for both scalar and spin-1/2 fields). We also illustrate the power of the adiabatic method to compute higher order DeWitt coefficients in Friedmann-Lemaitre-Robertson-Walker Universes. | ||||
| Address | [del Rio, Adrian; Navarro-Salas, Jose] Univ Valencia, Dept Fis Teor, IFIC, Ctr Mixto,CSIC,Fac Fis, E-46100 Valencia, Spain, Email: adrian.rio@uv.es; | ||||
| Corporate Author | Thesis | ||||
| Publisher | Amer Physical Soc | Place of Publication | Editor | ||
| Language | English | Summary Language | Original Title | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1550-7998 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | WOS:000350966000005 | Approved | no | ||
| Is ISI | yes | International Collaboration | no | ||
| Call Number | IFIC @ pastor @ | Serial | 2150 | ||
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