The singular values associated with optimally growing perturbations to stationary and time-dependent solutions for the general circulation in an ocean basin provide a measure of the rate at whichâ€¦ (More)

We show that the observational data of extragalactic radio sources tend to support the theoretical relationship between the jet precession period and the optical luminosity of the sources, asâ€¦ (More)

We have performed classical trajectory Monte Carlo (CTMC) studies of electron capture and ionization in multiply charged (Q â‰¤ 8) ion-Rydberg atom collisions at intermediate impact velocities. Impactâ€¦ (More)

We investigate the stability of strange quark matter and the properties of the corresponding strange stars, within a wide range of quark mass scaling. The calculation shows that the resulting maximumâ€¦ (More)

This paper presents a fully relativistic study on the standing shock formation in thin, stationary, axisymmetric, adiabatic fluid flows in Kerr geometry. We find out the energyangular momentumâ€¦ (More)

We use the standard Runge-Kutta method to solve the set of basic equations describing black hole accretion flows composed of two-temperature plasma. We do not invoke any extra energy transportâ€¦ (More)

We present a numerical method for spatially 1.5-dimensional and timedependent studies of accretion disks around black holes, that is originated from a combination of the standard pseudo-spectralâ€¦ (More)

We show that when the gravitational force is correctly calculated in dealing with the vertical hydrostatic equilibrium of black hole accretion disks, the relationship that is valid for geometricallyâ€¦ (More)

We show that, unlike the results presented previously in the literature, the transition from an outer Shakura-Sunyaev disk (SSD) to an advectiondominated accretion flow (ADAF) is possible for largeâ€¦ (More)

Neutrino-cooled hyperaccretion disks around stellar mass black holes are plausible candidates for the central engine of gamma-ray bursts. We calculate the one-dimensional structure and theâ€¦ (More)