Search Results - "Aich, Moumita"

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    Oscillations in the inflaton potential: Complete numerical treatment and comparison with the recent and forthcoming CMB datasets by Aich, Moumita, Hazra, Dhiraj Kumar, Sriramkumar, L., Souradeep, Tarun

    “…Amongst the multitude of inflationary models currently available, models that lead to features in the primordial scalar spectrum are drawing increasing…”
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    Journal Article
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    How much primordial tensor mode is allowed? by Aich, Moumita, Ma, Yin-Zhe, Dai, Wei-Ming, Xia, Jun-Qing

    Published 02-12-2019
    “…Phys. Rev. D 101, 063536 (2020) The presence of a significant amount of gravitational radiation in the early Universe affects the total energy density and…”
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  5. 5

    Weak lensing in non-statistically isotropic universes by Aich, Moumita, Rotti, Aditya, Souradeep, Tarun

    Published 29-06-2015
    “…The Bipolar Spherical Harmonics (BipoSH) form a natural basis to study the CMB two point correlation function in a non-statistically isotropic (non-SI)…”
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    Statistical Isotropy violation of the CMB brightness fluctuations by Aich, Moumita, Souradeep, Tarun

    Published 22-03-2010
    “…Phys.Rev.D81:083008,2010 Certain anomalies at large angular scales in the cosmic microwave background measured by WMAP have been suggested as possible evidence…”
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    Journal Article
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    Orthogonal bipolar spherical harmonics measures: Scrutinizing sources of isotropy violation by Kumar, Saurabh, Rotti, Aditya, Aich, Moumita, Pant, Nidhi, Mitra, Sanjit, Souradeep, Tarun

    “…The two-point correlation function of the cosmic microwave background temperature anisotropies is generally assumed to be statistically isotropic (SI)…”
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    Observing the polarisation pattern of Saturn using CARMA by Aich, Moumita, Knowles, Kenda, Moodley, Kavilan, Sievers, Jonathan, Hedman, Matthew M

    Published 12-11-2015
    “…We observe Saturn and its ring system at wavelengths of 1.3 mm (220 GHz) using the Combined Array for Research in Millimeter-wave Astronomy (CARMA)…”
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    WMAP anomaly : Weak lensing in disguise by Rotti, Aditya, Aich, Moumita, Souradeep, Tarun

    Published 14-11-2011
    “…Statistical isotropy (SI) has been one of the simplifying assumptions in cosmological model building. Experiments like WMAP and PLANCK are attempting to test…”
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    Journal Article
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    Oscillations in the inflaton potential: Complete numerical treatment and comparison with the recent and forthcoming CMB datasets by Aich, Moumita, Hazra, Dhiraj Kumar, Sriramkumar, L, Souradeep, Tarun

    Published 22-10-2012
    “…Phys.Rev.D87:083526,2013 Amongst the multitude of inflationary models currently available, models that lead to features in the primordial scalar spectrum are…”
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    Journal Article
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    Orthogonal BipoSH measures : Scrutinizing sources of isotropy violation by Kumar, Saurabh, Rotti, Aditya, Aich, Moumita, Pant, Nidhi, Mitra, Sanjit, Souradeep, Tarun

    Published 17-09-2014
    “…Phys. Rev. D 91, 043501, 3 February 2015 The two point correlation function of the CMB temperature anisotropies is generally assumed to be statistically…”
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    Journal Article
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    Primordial features due to a step in the inflaton potential by Hazra, Dhiraj Kumar, Aich, Moumita, Jain, Rajeev Kumar, Sriramkumar, L, Souradeep, Tarun

    Published 20-09-2010
    “…JCAP 1010:008,2010 Certain oscillatory features in the primordial scalar power spectrum are known to provide a better fit to the outliers in the cosmic…”
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    Journal Article