We show that local diff-invariant free field theories in four spacetime dimensions do not have local degrees of freedom.
DOI:https://doi.org/10.1103/PhysRevD.61.104014
©2000 American Physical Society
J. Fernando Barbero G. and Eduardo J. S. Villaseñor
Vol. 61, Iss. 10 — 15 May 2000
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