Spinor fields at spacelike infinity

Details Spinor fields at spacelike infinity Spinor fields at spacelike infinity

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983gregr..15.1163s&link_type=abstract

General Relativity and Gravitation, Volume 15, Issue 12, pp.1163-1189

Physics

5

Scientific paper

The concept of a spinor structure at spacelike infinity is introduced for space-times which are asymptotically flat. It is shown how zero-rest-mass fields on space-time acquire smooth limits on this structure and that these limits satisfy certain differential equations characterized by the helicity and regularity of the field. The geometry of the limits of twistor fields is also discussed, and it seems possible that one can define the momentum and angular momentum of an asymptotically flat space-time in terms of a twistor space at spacelike infinity.

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