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Analytic parity-violating greybody factors of a dynamical Chern-Simons black hole
Abhishek Rout
We study the low-frequency scattering of gravitational and pseudoscalar waves off a non-rotating black hole in dynamical Chern-Simons (dCS) gravity, where the axial (odd-parity) gr…
Gravitational Wave Parity-Violating Strain from Pulsar Glitches in Chern-Simons Modified Gravity
Abhishek Rout, Brett Altschul
We investigate gravitational-wave birefringence from pulsar glitches in dynamical Chern-Simons gravity, a parity-violating extension of general relativity motivated by string theor…
Primordial Gravitational Wave Birefringence in a de Sitter Background with Chern-Simons Coupling
Abhishek Rout, Brett Altschul
In this work, we investigate tensor perturbations in a de Sitter background within the framework of Chern-Simons modified gravity. We introduce transverse-traceless perturbations a…
First Order Axial Perturbation of the Reissner-Nordström Metric in a Possible Parity-Violating Gravity Background
Abhishek Rout, Brett Altschul
We study axial perturbations of Reissner-Nordström black holes within the general framework of parity-violating modified gravity theories. We derive the governing equations for a c…