Massless Torsion Fields. II ---The Case α +2a/ 3=0---

Details Massless Torsion Fields. II ---The Case α +2a/ 3=0--- Massless Torsion Fields. II ---The Case α +2a/ 3=0---

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pthph..73...75f&link_type=abstract

Progress of Theoretical Physics, Vol. 73, No. 1, pp. 75-83

Physics

9

Scientific paper

In the linear approximation of Poincaré gauge theory with condition α +2a/ 3=0 of parameters included in gravitational Lagrangian, propagating massless modes of the torsion field are examined. Requiring a form of field equation for massless field tilde{t}λ μ ν with symmetry obtained from the Young table [2, 1], we can determine relations of parameters in the gravitational field equations. Then we find that all the propagating components are absorbed in a gauge freedom of the total gravitational field equations. Consequently, any mode of the torsion field cannot be propagating as a normal field in the case with α +2a/ 3=0.

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