Biplob Sarkar

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Questions related from Biplob Sarkar

Is the New Astronomy Journal of Elsevier a paid journal?

Does the New Astronomy Journal charge fees for publishing accepted papers? Are there any page charges? Or is it totally free like Research in Astronomy and Astrophysics Journal of IOP or Journal...

11 November 2019 9,549 3 View

How to use virtual observatories in doing scientific research in astrophysics?

Hi All!! I have recently completed my PhD in theoretical astrophysics with work on accretion flow around black holes. Now I want to venture into some observational studies. I would like to know...

08 August 2018 8,841 4 View

In a two temperature plasma, we have the ratio of electron and ion temperature given by T_e = (m_e/m_i)^0.5 T_i. How do we arrive at this relation?

The above relation has been used in the synchrotron cooling expression in the paper "Behaviour of dissipative accretion flows around black holes" 2007MNRAS.376.1659D. We know that the electron...

05 May 2014 1,810 3 View

What is the difference between coulomb coupling and thermal coupling between ions and electrons?

When is it appropriate to treat astrophysical plasma as a two temperature fluid and under what conditions can it be treated as a one temperature fluid?

11 November 2013 4,929 3 View