Browsing by Issue Date

Browsing by Issue Date

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  • Atreya, Abhishek; Bhatt, Jitesh R.; Mishra, Arvind (IOP Publishing, 2019-02)
    The viscosity of dark matter in cosmological models may cause an accelerated expansion and when this effect is sufficiently large, it can explain the dark energy. In this work, attributing the origin of viscosity to ...
  • Kurian, Manu; Mitra, Sukanya; Ghosh, Snigdha; Chandra, Vinod (Springer, 2019-02)
    In this article, shear viscosity, bulk viscosity, and thermal conductivity of a QCD medium have been studied in the presence of a strong magnetic field. To model the quark–gluon plasma, an extended quasi-particle description ...
  • Lambiase, Gaetano; Mohanty, Subhendra; Narang, Ashish; Parashari, Priyank (Springer, 2019-02)
    It has been pointed out that there exists a tension in σ8−Ωm measurement between CMB and LSS observation. In this paper we show that σ8−Ωm observations can be used to test the dark energy theories. We study two models, (1) ...
  • Dey, Krishna Kanti (Wiley, 2019-02)
    Collective and emergent behaviors of active colloids provide useful insights into the statistical physics of out‐of‐equilibrium systems. Colloidal suspensions containing microscopic active swimmers have been intensively ...
  • Sengupta, Anand (APS (American Physical Society), 2019-02)
    We analyze the impact of a proposed tidal instability coupling p modes and g modes within neutron stars on GW170817. This nonresonant instability transfers energy from the orbit of the binary to internal modes of the stars, ...

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