Effective gravity and OSp(N, 4) invariant matter

Details Effective gravity and OSp(N, 4) invariant matter Effective gravity and OSp(N, 4) invariant matter

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lnf..rept.....b&link_type=abstract

Technical Report, INFN-P-LNF-97-016; DE98-712217 Lab. Nazionali di Frascati

Mathematics

Logic

Gravitation, Gravitational Effects, Measuring Instruments, Gauge Invariance, Gravitational Fields, Cosmology, Symmetry, Tensors

Scientific paper

They re-examine the OSp(N, 4) invariant interacting model of massless chiral and gauge superfields, whose superconformal invariance was instrumental, both in proving the all-order no-renormalization of the mass and chiral self-interaction lagrangians, and in determining the linear superfield renormalization needed. They show that the renormalization of the gravitational action modifies only the cosmological term, without affecting higher-order tensors. This could explain why the effect of the cosmological constant is shadowed by the effects of Newtonian gravity.

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