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24 papers · 1 filter
Have we observed the skin vibration of realistic strange stars (ReSS) ?
Monika Sinha, Jishnu Dey, Mira Dey +2
Skin vibration of ReSS and consequent resonance absorption can account for the absorption lines in the spectrum of X-ray emission from many compact stellar objects and in particula…
Origin and interpretation of kilohertz QPOs from strange stars in X-ray binary system: theoretical hydrodynamical description
Banibrata Mukhopadhyay, Subharthi Ray, Jishnu Dey +1
We model and interpret the Kilohertz QPOs from the hydrodynamical description of accretion disk around a rapidly rotating compact strange star. The higher QPO frequency is describe…
Crossover effects in a discrete deposition model with Kardar-Parisi-Zhang scaling
Anna Chame, Fabio D. A. Aarao Reis
We simulated a growth model in 1+1 dimensions in which particles are aggregated according to the rules of ballistic deposition with probability p or according to the rules of rando…
Short Proof of Jacobi's Identity for Poisson Brackets
Nivaldo A. Lemos
Making use of the theory of infinitesimal canonical transformations, a concise proof is given of Jacobi's identity for Poisson brackets.
A dipole in a dielectric: Intriguing results and shape dependence of the distant electric field
R. L. P. G. Amaral, N. A. Lemos
The field of a point electric dipole in an infinite dielectric is obtained by placing the dipole at the center of a spherical cavity of radius inside the dielectric and then le…
A Quantum Cosmological Model With Static and Dynamic Wormholes
N. A. Lemos, G. A. Monerat
Quantization is performed of a Friedmann-Robertson-Walker universe filled with a conformally invariant scalar field and a perfect fluid with equation of state . A well-known…