{ "id": "math/0603676", "version": "v1", "published": "2006-03-29T06:22:16.000Z", "updated": "2006-03-29T06:22:16.000Z", "title": "Some extensions of the Einstein-Dirac equation", "authors": [ "Eui Chul Kim" ], "comment": "21pages", "journal": "J.Geom.Phys. 56 (2006) 2573-2591", "doi": "10.1016/j.geomphys.2006.01.008", "categories": [ "math.DG", "math-ph", "math.MP" ], "abstract": "We considered an extension of the standard functional for the Einstein-Dirac equation where the Dirac operator is replaced by the square of the Dirac operator and a real parameter controlling the length of spinors is introduced. For one distinguished value of the parameter, the resulting Euler-Lagrange equations provide a new type of Einstein-Dirac coupling. We establish a special method for constructing global smooth solutions of a newly derived Einstein-Dirac system called the {\\it CL-Einstein-Dirac equation of type II} (see Definition 3.1).", "revisions": [ { "version": "v1", "updated": "2006-03-29T06:22:16.000Z" } ], "analyses": { "subjects": [ "53C25", "53C27", "83C05" ], "keywords": [ "dirac operator", "constructing global smooth solutions", "newly derived einstein-dirac system", "cl-einstein-dirac equation", "standard functional" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable", "inspire": 713507 } } }