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Published April 2015 | Submitted
Journal Article Open

Unconstrained canonical action for, and positive energy of, massive spin 2

Deser, S. ORCID icon

Abstract

Filling a much-needed gap, we exhibit the D = 4 Fierz–Pauli massive s = 2 action, and its — manifestly positive — energy, in terms of its 2s + 1 = 5 unconstrained helicity (2, 1, 0) excitations, after reducing and diagonalizing the troublesome helicity-zero sector.

Additional Information

© 2014 Canadian Science Publishing. Received 27 July 2014. Accepted 21 August 2014. Published on the web 10 September 2014. This work was supported in part by grants NSF PHY-1266107 and DOE # DE-SC0011632. Collaboration with A. Waldron on ref. 2 facilitated the present effort, as did composing help from J. Franklin and CPU help from G. Conrad.

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