16 citations · 121 across the 20 of their papers we have counts for
6 papers · 1 filter
Light rays in the Solar system experiments: phases and displacements
Pravin Kumar Dahal, Daniel R. Terno
Geometric optics approximation is sufficient to describe the effects in the near-Earth environment. In this framework Faraday rotation is purely a reference frame (gauge) effect. H…
Semiclassical black holes and horizon singularities
Pravin K. Dahal, Sebastian Murk, Daniel R. Terno
In spherical symmetry, solutions of the semiclassical Einstein equations belong to one of two possible classes. Both classes contain solutions that -- depending on the dynamic beha…
Spin optics for gravitational waves
Pravin Kumar Dahal
We present the geometric optics expansion for circularly polarized gravitational waves on a curved spacetime background, to subleading order. We call spin optics to the subleading…
Polarization rotation and near-Earth quantum communications
Pravin Kumar Dahal, Daniel R. Terno
We revisit polarization rotation due to gravity, known as the gravitational Faraday effect, with a view on its role in quantum communications with Earth-orbiting satellites. In a s…
Trapped region in Kerr-Vaidya space-time
Pravin Kumar Dahal
We review the basic definitions and properties of trapped surfaces and discuss them in the context of Kerr-Vaidya line-element. Our study shows that the apparent horizon does not e…
Properties of space-time in the vicinity of trapped regions
Pravin Kumar Dahal
We investigate the near horizon geometry of the simplest representative of the class of axisymmetric space-times: the Kerr Vaidya metrics. Kerr Vaidya metrics can be derived from t…