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- Commonwealth Scientific and Industrial Research OrganisationAU50 papers
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14 papers · 1 filter
Investigation of variability of iron emission lines in Centaurus X-3
Sachindra Naik, Biswajit Paul
We present the results obtained from a study of the variability of iron emission lines in the high mass X-ray binary pulsar Cen X-3 during the eclipse, eclipse-egress and out-of-ec…
Light beams with general direction and polarization: global description and geometric phase
R. Nityananda, S. Sridhar
We construct the manifold describing the family of plane monochromatic light waves with all directions, polarizations, phases and intensities. A smooth description of polarization,…
The Discrete Geometry of a Small Causal Diamond
Mriganko Roy, Debdeep Sinha, Sumati Surya
We study the discrete causal set geometry of a small causal diamond in a curved spacetime using the average abundance of k-element chains or total orders in the underlying causal s…
Work fluctuations for a Brownian particle in a harmonic trap with fluctuating locations
Arnab Pal, Sanjib Sabhapandit
We consider a Brownian particle in a harmonic trap. The location of the trap is modulated according to an Ornstein-Uhlenbeck process. We investigate the fluctuation of the work don…
Gravitational Waves from a Particle in Circular Orbits around a Schwarzschild Black Hole to the 22nd Post-Newtonian Order
Ryuichi Fujita
We extend our previous results of the 14th post-Newtonian (PN) order expansion of gravitational waves for a test particle in circular orbits around a Schwarzschild black hole to th…
The impact of thermodynamics on gravitational collapse: filament formation and magnetic field amplification
Thomas Peters, Dominik R. G. Schleicher, Ralf S. Klessen +4
Stars form by the gravitational collapse of interstellar gas. The thermodynamic response of the gas can be characterized by an effective equation of state. It determines how gas he…