Phys. Rev. Lett. 87, 041301 (2001) [4 pages]

Quantum Discontinuity between Zero and Infinitesimal Graviton Mass with a Λ Term

Abstract

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F. A. Dilkes^*, M. J. Duff^†, James T. Liu^‡, and H. Sati^§
Michigan Center for Theoretical Physics, Randall Laboratory, Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1120

Received 27 March 2001; published 5 July 2001

We show that the recently demonstrated absence of the usual discontinuity for massive spin 2 with a Λ term is an artifact of the tree approximation, and that the discontinuity reappears at one loop.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.87.041301

DOI:

10.1103/PhysRevLett.87.041301

PACS:

04.62.+v, 04.60.-m

^*Email address: fadilkes@umich.edu

^†Email address: mduff@umich.edu

^‡Email address: jimliu@umich.edu

^§Email address: hsati@umich.edu

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Phys. Rev. Lett. 87, 041301 (2001) [4 pages]

Quantum Discontinuity between Zero and Infinitesimal Graviton Mass with a Λ Term