Calculation of the trace anomaly of the conformal energy-momentum tensor in Kasner spacetime by adiabatic regularization
Journal Article
·
· Phys. Rev., D; (United States)
The anomalous trace of the energy-momentum tensor of a quantized massless conformal scalar field in a homogeneous anisotropic, spatially flat background is calculated by the method of adiabatic regularization. It yields the same results as derived by other methods, but has the advantage of simplicity in computation and clarity in physical interpretation. Explicit expressions are also obtained for the regularized energy desity and pressure, which are useful in formulating semiclassical theories of gravity and in calculating the back reaction of quantized fields in relativistic cosmology.
- Research Organization:
- Department of Physics, University of California, Santa Barbara, California 93106
- OSTI ID:
- 6506370
- Journal Information:
- Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 18:12; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640106 -- Astrophysics & Cosmology-- Cosmology
645400* -- High Energy Physics-- Field Theory
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COSMOLOGY
DIFFERENTIAL EQUATIONS
ELEMENTARY PARTICLES
ENERGY-MOMENTUM TENSOR
EQUATIONS
FIELD THEORIES
GRAVITATIONAL FIELDS
KLEIN-GORDON EQUATION
MASSLESS PARTICLES
METRICS
QUANTUM FIELD THEORY
SCALAR FIELDS
SPACE-TIME
TENSORS
WAVE EQUATIONS
645400* -- High Energy Physics-- Field Theory
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COSMOLOGY
DIFFERENTIAL EQUATIONS
ELEMENTARY PARTICLES
ENERGY-MOMENTUM TENSOR
EQUATIONS
FIELD THEORIES
GRAVITATIONAL FIELDS
KLEIN-GORDON EQUATION
MASSLESS PARTICLES
METRICS
QUANTUM FIELD THEORY
SCALAR FIELDS
SPACE-TIME
TENSORS
WAVE EQUATIONS