Degrees of Freedom in Massive Gravity - INSPIRE

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Degrees of Freedom in Massive Gravity

D. Comelli
(
- INFN, Ferrara
)
,
M. Crisostomi
(
- L'Aquila U. and
- Gran Sasso
)
,
F. Nesti
(
- L'Aquila U.
)
,
L. Pilo
(
- L'Aquila U. and
- Gran Sasso
)

Apr, 2012

5 pages

Published in:

Phys.Rev.D 86 (2012) 101502

e-Print:

1204.1027 [hep-th]

DOI:

10.1103/PhysRevD.86.101502

View in:

ADS Abstract Service

reference search84 citations

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Abstract: (arXiv)

We study in a systematic way a generic nonderivative (massive) deformation of general relativity using the Hamiltonian formalism. The number of propagating degrees of freedom is analyzed in a nonperturbative and background independent way. We show that the condition of having only five propagating degrees of freedom can be cast in a set of differential equations for the deforming potential. Though the conditions are rather restrictive, many solutions can be found.

Note:

5 pages. Final version published in PRD rapid communications

violation: Lorentz
gravitation: massive
space: Minkowski
general relativity
differential equations
Hamiltonian formalism
nonperturbative
background
ghost
invariance: Lorentz

References(38)

Figures(0)

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