Twistors and the asymptotic behaviour of massless spin-? fields

Details Twistors and the asymptotic behaviour of massless spin-? fields Twistors and the asymptotic behaviour of massless spin-? fields

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996cqgra..13..461f&link_type=abstract

Classical and Quantum Gravity, Volume 13, Issue 3, pp. 461-480 (1996).

Physics

2

Scientific paper

In this work the asymptotic solutions of massless spin-0264-9381/13/3/012/img7 fields are studied. First, in a Minkowski space, the fields, their potentials, and the associated gauges are analysed in the Rarita - Schwinger description. We exhibit the explicit appearance of the conserved charges of the fields and their singular behaviour in the potentials. The charges of the spin-0264-9381/13/3/012/img7 fields emerge as a global definition of twistors. The flat space case serves as a guide in the analysis of the problem in general vacuum spacetimes. Although the fundamental connection between and the meaning of twistors and charges have not, as yet, been established in general vacuum spacetimes, some useful insights have nevertheless been gained in studying the potential-modulo-gauge description of the spin-0264-9381/13/3/012/img7 problem in such spacetimes.

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