NEW MODEL OF MASSIVE SPIN TWO FIELD

Nozhiri Sh.

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We propose a new ghost-free model describing massive spin two field1 . This model consists of a kinetic term and interaction terms without derivative. We report on the properties of this model, especially we consider what could happen when this model couples with gravity. Although the model does not generate any ghost on the Minkowski space-time, it is not so clear whether or not this property is preserved even on curved space-time. In fact, Buchbinder et al. have found that the ghost appears even in the Fierz-Pauli theory on curved space-time if we do not include non-minimal coupling terms. We report on the model with interactions on curved space-time and show that we can construct a model without ghost by including non-minimal coupling terms.

Keywords: massive spin two field, massive gravity

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Issue: 12, 2014

Series of issue: Issue 12

Pages: 203 — 207

Downloads: 704