GRAVITONS IN ONE-LOOP QUANTUM COSMOLOGY - CORRESPONDENCE BETWEEN COVARIANT AND NONCOVARIANT FORMALISMS

被引：23

作者：

ESPOSITO, G

KAMENSHCHIK, AY

MISHAKOV, IV

POLLIFRONE, G

机构：

[1] DIPARTIMENTO SCI FIS, I-80125 NAPLES, ITALY

[2] RUSSIAN ACAD SCI, INST NUCL SAFETY, MOSCOW 113191, RUSSIA

[3] UNIV ROMA LA SAPIENZA, DIPARTIMENTO FIS, I-00185 ROME, ITALY

来源：

PHYSICAL REVIEW D | 1994年 / 50卷 / 10期

关键词：

D O I：

10.1103/PhysRevD.50.6329

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The discrepancy between the results of covariant and noncovariant one-loop calculations for higher-spin fields in quantum cosmology is analyzed. A detailed mode-by-mode study of perturbative quantum gravity about a flat Euclidean background bounded by two concentric three-spheres, including nonphysical degrees of freedom and ghost modes, leads to one-loop amplitudes in agreement with the covariant Schwinger-DeWitt method. This calculation provides the generalization of a previous analysis of fermionic fields and electromagnetic fields at one-loop about flat Euclidean backgrounds admitting a well-defined 3+1 decomposition. © 1994 The American Physical Society.

引用

页码：6329 / 6337

页数：9

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