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18 papers · 1 filter
Coherent libration to coherent rotational dynamics via chimeralike states and clustering in Josephson Junction array
Arindam Mishra, Suman Saha, Chittaranjan Hens +5
An array of excitable Josephson junctions under global mean-field interaction and a common periodic forcing shows emergence of two important classes of coherent dynamics, libration…
Compact star model in Einstein Gauss-Bonnet Gravity within the framework of Finch Skea space time
Iftikar Hossain Sardar
In this article we provide a new class of interior solutions of a five dimensional compact star in Einstein Gauss-Bonnet (EGB) gravity within the framework of Finch-skea space time…
Wormhole supported by dark energy admitting conformal motion
Piyali Bhar, Farook Rahaman, Tuhina Manna +1
In this article, we study the possibility of sustaining a static and spherically symmetric traversable wormhole geometries admitting conformal motion in Einstein gravity, which pre…
Dust ion acoustic solitary structures in presence of nonthermally distributed electrons and positrons
Ashesh Paul, Anup Bandyopadhyay, K. P. Das
The purpose of this paper is to extend the recent work of Paul & Bandyopadhyay [Astrophys. Space Sci. 361, 172(2016)] on the existence of different dust ion acoustic solitary struc…
A Study of Universal Thermodynamics in Lanczos-Lovelock gravity
Saugata Mitra, Subhajit Saha, Subenoy Chakraborty
A study of Universal thermodynamics is done in Lanczos-Lovelock gravity. The Universe is chosen as FRW model bounded by apparent or event horizon. The unified first law is examined…
Universal thermodynamics in different gravity theories: Conditions for generalized second law of thermodynamics and thermodynamical equilibrium on the horizons
Saugata Mitra, Subhajit Saha, Subenoy Chakraborty
The present work deals with a detailed study of universal thermodynamics in different modified gravity theories. The validity of the generalized second law of thermodynamics (GSLT)…