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Dealing with ghost-free massive gravity without explicit square roots of matrices
In this paper we entertain a simple idea that the action of ghost free massive gravity (in metric formulation) depends not on the full structure of the square root of a matrix but rather on its invariants given by the elementary symmetric polynomials of the eigenvalues. In particular, we show how on...
Gorde:
| Egile Nagusiak: | , |
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| Formatua: | Artigo |
| Hizkuntza: | Inglês |
| Argitaratua: |
Elsevier
2017-07-01
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| Saila: | Physics Letters B |
| Sarrera elektronikoa: | http://www.sciencedirect.com/science/article/pii/S0370269317303325 |
| Etiketak: |
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