Search Results - "Aich, Moumita"
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The C-Band All-Sky Survey (C-BASS): design and capabilities
Published in Monthly notices of the Royal Astronomical Society (01-11-2018)“…The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarization survey at a frequency of 5 GHz, designed to provide complementary data to the all-sky…”
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Oscillations in the inflaton potential: Complete numerical treatment and comparison with the recent and forthcoming CMB datasets
Published in Physical review. D, Particles, fields, gravitation, and cosmology (26-04-2013)“…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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Statistical isotropy violation of the CMB brightness fluctuations
Published in Physical review. D, Particles, fields, gravitation, and cosmology (15-04-2010)Get full text
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How much primordial tensor mode is allowed?
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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Weak lensing in non-statistically isotropic universes
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
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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Orthogonal bipolar spherical harmonics measures: Scrutinizing sources of isotropy violation
Published in Physical review. D, Particles, fields, gravitation, and cosmology (03-02-2015)“…The two-point correlation function of the cosmic microwave background temperature anisotropies is generally assumed to be statistically isotropic (SI)…”
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Design and implementation of a noise temperature measurement system for the Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX)
Published 16-01-2021“…Proc. SPIE 11445, Ground-based and Airborne Telescopes VIII, 114452Z (20 January 2021) This paper describes the design, implementation, and verification of a…”
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Observing the polarisation pattern of Saturn using CARMA
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
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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Oscillations in the inflaton potential: Complete numerical treatment and comparison with the recent and forthcoming CMB datasets
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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12
Orthogonal BipoSH measures : Scrutinizing sources of isotropy violation
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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13
The C-Band All-Sky Survey (C-BASS): Design and capabilities
Published 19-07-2018“…The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarisation survey at a frequency of 5 GHz, designed to provide complementary data to the all-sky…”
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14
Primordial features due to a step in the inflaton potential
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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