7 papers
On Spectral Structure in a Non-Separable Rotating Geometry: Normal Modes and Holographic Response in the Rotating AdS-Teo Wormhole
Ramesh Radhakrishnan, Gerald B. Cleaver, William Julius
Rotating traversable wormholes provide a horizonless setting in which to investigate wave dynamics beyond the separable structures familiar from black-hole perturbation theory. We…
Effects of the ekpyrotic mechanism on inflationary phase in loop quantum cosmologies
Christian Brown, Jared Fier, Brian Phillips +2
In bouncing cosmological models, either classical or quantum, the big bang singularity is replaced by a regular bounce. A challenging question in such models is how to keep the she…
Evaluating Deep Learning Models for Multiclass Classification of LIGO Gravitational-Wave Glitches
Rudhresh Manoharan, Gerald Cleaver
Gravitational-wave detectors are affected by short-duration non-Gaussian noise transients, commonly referred to as glitches, which can obscure astrophysical signals and complicate…
Stationary Particle Creation and Entanglement in the Rotating Teo Wormhole: A Quantum Mode-Mixing Approach
Ramesh Radhakrishnan, Gerald Cleaver, William Julius
Rotating traversable wormholes allow the effects of frame dragging and rotation to be studied in the absence of event horizons. We develop a quantum field theoretic treatment of ma…
Scalar-Field Wave Dynamics and Quasinormal Modes of the Teo Rotating Wormhole
Ramesh Radhakrishnan, Gerald Cleaver, Delaram Mirfendereski +2
We investigate scalar field perturbations of the rotating Teo wormhole. We also compute the quasinormal mode (QNM) spectrum using first order WKB approximation. After separation of…
Gauge-Invariant Gravitational Wave Polarization in Metric f(R) Gravity with Cosmological Implications
Ramesh Radhakrishnan, David McNutt, Delaram Mirfendereski +4
We develop a fully gauge invariant analysis of gravitational wave polarizations in metric f(R) gravity with a particular focus on the modified Starobinsky model, whose constant cur…