INSTITUTIONAL DIGITAL REPOSITORY

Browsing Year-2017 by Author "Bhattacharya, S."

Browsing Year-2017 by Author "Bhattacharya, S."

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  • Bhattacharya, S.; Chakraborty, S. (2021-10-10)
    We discuss two spherically symmetric solutions admitted by the Horndeski (or scalar-tensor) theory in the context of Solar System and astrophysical scenarios. One of these solutions is derived for EinsteinGauss-Bonnet ...
  • Bhattacharya, S.; Kousvos, S. R. (2021-10-13)
    We consider the phantom braneworld model in the context of the maximum turnaround radius, RTA;max, of a stable, spherical cosmic structure with a given mass. The maximum turnaround radius is the point where the attraction ...
  • Bhattacharya, S.; Tomaras, T. N. (2021-10-09)
    The maximum allowable size of a spherical cosmic structure as a function of its mass is determined by the maximum turn around radius RTA,max, the distance from its center where the attraction on a radial test particle ...
  • Bhattacharya, S.; Chakraborty, S.; Padmanabhan, T. (2017-12-22)
    Earlier it was shown that the entropy of an ideal gas, contained in a box and moving in a gravitational field, develops an area dependence when it approaches the horizon of a static, spherically symmetric spacetime. Here ...
  • Bhattacharya, S.; Dialektopoulos, K. F. (2021-10-14)
    The maximum size of a cosmic structure is given by the maximum turnaround radius — the scale where the attraction due to its mass is balanced by the repulsion due to dark energy. We derive generic formulae for the ...

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