Four-loop vacuum energy {beta} function in O({ital N}) symmetric scalar theory
- Department of Physics, Purdue University, West Lafayette, Indiana 47907-1396 (United States)
The {beta} function of the vacuum energy density is computed at the four-loop level in massive O({ital N}) symmetric {phi}{sup 4} theory. Dimensional regularization is used in conjunction with the MS scheme and all calculations are in momentum space in the massive theory. The result is {beta}{sub {ital v}}=({ital N}/4){ital g}+[{ital N}({ital N}+2)/96]{ital g}{sup 3}+{l_brace}{ital N}({ital N}+2)({ital N}+8)[12{zeta}(3){minus}25]/1296{r_brace}{ital g}{sup 4}+{ital O}({ital g}{sup 5}). {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 388960
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 6 Vol. 54; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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