2012

Cosmological Perturbation in f(T) Gravity Revisited

Izumi, Keisuke, Ong, Yen Chin

Understand

We perform detailed investigation of cosmological perturbations in f(T) theory of gravity coupled with scalar field.

Our work emphasizes on the way to gauge fix the theory and we examine all possible modes of perturbations up to second order.
The analysis includes pseudoscalar and pseudovector modes in addition to the usual scalar, vector, and tensor modes.
We find no gravitational propagating degree of freedom in the scalar, pseudoscalar, vector, as well as pseudovector modes.

Built on

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