Neutrino stress tensor regularization in two-dimensional space-time

Details Neutrino stress tensor regularization in two-dimensional space-time Neutrino stress tensor regularization in two-dimensional space-time

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977rspsa.356..259d&link_type=abstract

Royal Society (London), Proceedings, Series A, vol. 356, no. 1685, Aug. 24, 1977, p. 259-268.

Astronomy and Astrophysics

Astrophysics

8

Astrophysics, Neutrinos, Space-Time Functions, Stress Tensors, Black Holes (Astronomy), Conformal Mapping, Thermodynamics

Scientific paper

The method of covariant point-splitting is used to regularize the stress tensor for a massless spin 1/2 (neutrino) quantum field in an arbitrary two-dimensional space-time. A thermodynamic argument is used as a consistency check. The result shows that the physical part of the stress tensor is identical with that of the massless scalar field (in the absence of Casimir-type terms) even though the formally divergent expression is equal to the negative of the scalar case.

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