Physics
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cqgra...6l...1c&link_type=abstract
Classical and Quantum Gravity (ISSN 0264-9381), vol. 6, Jan. 1, 1989, p. L1-L5.
Physics
4
Coupling, Newton Theory, Supergravity, Supersymmetry, Field Theory (Physics), Gravitational Effects, Gravitinos, Particle Spin
Scientific paper
The present work deals with the classical behavior of matter represented by chiral miltiplets in a background of N = 1 supergravity. The WKB method is used. It is shown that supersymmetric coupling leads, at the lowest order, to a nongeodesic motion law for spin-1/2 matter. This result permits physical differences to be established with respect to gravitational theories with minimal coupled matter Lagrangians. Deviations from the Newton law are found, allowing speculation about low-energy effects for testing supergravity.
Castagnino Mario
Domenech Graciela
Levinas M.
Umerez N.
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