Search Results - "Srivastava, Ajit M."

Duality between the dynamics of line-like brushes of point defects in 2D and strings in 3D in liquid crystals by Digal, Sanatan, Ray, Rajarshi, Saumia, P S, Srivastava, Ajit M

“…We analyze the dynamics of dark brushes connecting point vortices of strength ±1 formed in the isotropic-nematic phase transition of a thin layer of nematic…”
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Detecting superfluid transition in the pulsar core by Bagchi, Partha, Layek, Biswanath, Saini, Dheeraj, Sarkar, Anjishnu, Srivastava, Ajit M, Venkata, Deepthi Godaba

“…ABSTRACT It is believed that the core of a neutron star can be host to various novel phases of matter, from nucleon superfluid phase to exotic high baryon…”
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Modulation of pulse profile as a signal for phase transitions in a pulsar core by Bagchi, Partha, Layek, Biswanath, Sarkar, Anjishnu, Srivastava, Ajit M

“…ABSTRACT We calculate detailed modification of pulses from a pulsar arising from the effects of phase transition induced density fluctuations on the pulsar…”
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Re-visiting gravitational wave events via pulsars by Biswal, Minati, Dave, Shreyansh S., Srivastava, Ajit M.

“…By now many gravitational wave (GW) signals have been detected by LIGO and Virgo, with the waves reaching earth directly from their respective sources. These…”
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Hawking radiation from acoustic black holes in hydrodynamic flow of electrons by Dave, Shreyansh S., Ganguly, Oindrila, Saumia, P. S., Srivastava, Ajit M.

“…Abstract Acoustic black holes are formed when a fluid flowing with subsonic velocities accelerates and becomes supersonic. When the flow is directed from the…”
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Hawking radiation from acoustic black holes in relativistic heavy ion collisions by Das, Arpan, Dave, Shreyansh S., Ganguly, Oindrila, Srivastava, Ajit M.

“…We propose a new analogue model of gravity - the evolving quark gluon plasma (QGP) produced in relativistic heavy ion collisions. This quark gluon plasma is…”
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CMBR Power Spectrum and Flow Fluctuations in Relativistic Heavy-Ion Collisions by Srivastava, Ajit M.

“…There is a deep interconnection between the physics of flow anisotropies in relativistic heavy-ion collision experiments (RHICE) and the anisotropies observed…”
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Formation of topological vortices during superfluid transition in a rotating vessel by Dave, Shreyansh S., Srivastava, Ajit M.

“…Formation of topological defects during symmetry breaking phase transitions via the Kibble mechanism is extensively used in systems ranging from…”
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Pulsars as Weber gravitational wave detectors by Das, Arpan, Dave, Shreyansh S., Ganguly, Oindrila, Srivastava, Ajit M.

“…A gravitational wave (GW) passing through a pulsar will lead to a variation in the moment of inertia of the pulsar affecting its rotation. This will affect the…”
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Initial fluctuations and power spectrum of flow anisotropies in relativistic heavy-ion collisions by Dave, Shreyansh S., Saumia, P. S., Srivastava, Ajit M.

“…Flow has emerged as a crucial probe for the properties of the thermalized medium produced in relativistic heavy-ion collisions. The evolution of initial state…”
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Effects of phase transition induced density fluctuations on pulsar dynamics by Bagchi, Partha, Das, Arpan, Layek, Biswanath, Srivastava, Ajit M.

“…We show that density fluctuations during phase transitions in pulsar cores may have non-trivial effects on pulsar timings, and may also possibly account for…”
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The Cosmological Kibble Mechanism in the Laboratory: String Formation in Liquid Crystals by Bowick, Mark J., Chandar, L., Schiff, E. A., Srivastava, Ajit M.

“…The production of strings (disclination lines and loops) has been observed by means of the Kibble mechanism of domain (bubble) formation in the…”
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Setting initial conditions for inflation with reaction–diffusion equation by Bagchi, Partha, Das, Arpan, Dave, Shreyansh S., Sengupta, Srikumar, Srivastava, Ajit M.

“…We discuss the issue of setting appropriate initial conditions for inflation. Specifically, we consider natural inflation model and discuss the fine tuning…”
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Percolating cosmic string loops from evaporating primordial black holes by Srivastava, Ajit M.

“…The Pulsar timing data from NANOGrav Collaboration has regenerated interest in the possibility of observing stochastic gravitational wave background arising…”
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Probing shapes of microbes using liquid crystal textures by Srivastava, Ajit M.

“…We propose a novel technique to probe shape of a single microbe embedded in a nematic liquid crystal (NLC) sample by observing geometry of dark brushes with…”
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Reviving quark nuggets as a candidate for dark matter by Atreya, Abhishek, Sarkar, Anjishnu, Srivastava, Ajit M.

“…We discuss a novel mechanism for segregation of baryons and antibaryons in the quark-gluon plasma phase which can lead to formation of quark and antiquark…”
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Superhorizon fluctuations and acoustic oscillations in relativistic heavy-ion collisions by Mishra, Ananta P., Mohapatra, Ranjita K., Saumia, P. S., Srivastava, Ajit M.

“…We focus on the initial-state spatial anisotropies, originating at the thermalization stage, for central collisions in relativistic heavy-ion collisions. We…”
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Using cosmic microwave background radiation analysis tools for flow anisotropies in relativistic heavy-ion collisions by Mishra, Ananta P., Mohapatra, Ranjita K., Saumia, P. S., Srivastava, Ajit M.

“…Recently we have shown that there are crucial similarities in the physics of cosmic microwave background radiation (CMBR) anisotropies and the flow…”
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Spontaneous CP violation in quark scattering from QCD Z(3) interfaces by Atreya, Abhishek, Srivastava, Ajit M, Sarkar, Anjishnu

“…In this paper, we explore the possibility of spontaneous CP violation in the scattering of quarks and antiquarks from QCD Z(3) domain walls. The CP violation…”
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Topological defects in cosmology by Srivastava, Ajit M

“…Present status of theories of topological defects in particle theory models of the early Universe is discussed. Various consequences of topological defects in…”
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