Search Results - "Das, Suratna"

Distance, de Sitter and trans-Planckian censorship conjectures: The status quo of Warm inflation by Das, Suratna

“…In this short note, we pointed out that Warm inflationary scenario remains to be favoured over its cold counterpart by the recently proposed conjectures, which…”
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Running and Running of the Running of the Scalar Spectral Index in Warm Inflation by Das, Suratna, Ramos, Rudnei

“…The next generation of cosmological observations are expected to improve the measurements of several quantities connected to the primordial inflation in the…”
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A generalized method of constraining Warm Inflation with CMB data by Kumar, Umang, Das, Suratna

“…JCAP 10 (2024) 058 A thorough MCMC analysis of any inflationary model against the current cosmological data is essential for assessing the validity of such a…”
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Lowering tensor-to-scalar ratio by pre-inflationary dynamics by Das, Suratna

“…Phys. Rev. D 102, 061303 (2020) Pre-inflationary dynamics is known to have left observable imprints via the varied dynamics of the inflaton and the graviton…”
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Distance, de Sitter and Trans-Planckian Censorship conjectures: the status quo of Warm Inflation by Das, Suratna

“…Physics of the Dark Universe, 27(2020), 100432 In this short note, we pointed out that Warm inflationary scenario remains to be favoured over its cold…”
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A note on Single-field Inflation and the Swampland Criteria by Das, Suratna

“…Phys. Rev. D 99, 083510 (2019) The recently proposed Swampland Criteria aim to evade any (meta-)stable de Sitter constructions within String landscapes, making…”
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Warm Inflation in the light of Swampland Criteria by Das, Suratna

“…Phys. Rev. D 99, 063514 (2019) Warm Inflation seems to be the most befitting single-field slow-roll inflation scenario in the context of the recently proposed…”
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The `unitarity problem' of Higgs inflation in the light of collapse dynamics by Das, Suratna

“…JCAP09(2018)009 Higgs inflation scenario is one of the most compelling models of inflation at present time. It not only explains the observed data well, but…”
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Running and running of the running of the scalar spectral index in warm inflation by Das, Suratna, Ramos, Rudnei O

“…Universe 9, 76 (2023) Next generation of cosmological observations are expected to improve the measurements of several quantities connected to the primordial…”
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Reassessing constant-roll Warm Inflation by Biswas, Sandip, Bhattacharya, Kaushik, Das, Suratna

“…Phys. Rev. D 110 (2024) 063536 Departing from standard slow-roll conditions is one way of putting the inflationary paradigm to test, and constraining the…”
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Embedding Ultra slow-roll inflaton dynamics in Warm Inflation by Biswas, Sandip, Bhattacharya, Kaushik, Das, Suratna

“…Phys. Rev. D 109 (2024) 023501 Slow-roll of the inflaton field defines the standard dynamics of the inflationary epoch. However, the inflationary system…”
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On the graceful exit problem in warm inflation by Das, Suratna, Ramos, Rudnei O

“…Phys. Rev. D 103, 123520 (2021) A seemingly simple question, how does warm inflation exit gracefully?, has a more complex answer than in a cold paradigm. It…”
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A plausible solution to the problem of initial conditions for inflation by Das, Suratna, Rangarajan, Raghavan

“…IJMPD 28(2019) no. 15, 1950165 We propose yet another solution to the initial condition problem of inflation associated with homogeneity beyond the horizon at…”
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Runaway potentials in warm inflation satisfying the swampland conjectures by Das, Suratna, Ramos, Rudnei O

“…Phys. Rev. D 102, 103522 (2020) The runaway potentials, which do not possess any critical points, are viable potentials which befit the recently proposed de…”
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Stability analysis of warm quintessential dark energy model by Das, Suratna, Hussain, Saddam, Nandi, Debottam, Ramos, Rudnei O, Silva, Renato

“…Phys. Rev. D 108 (2023) 083517 A dynamical system analysis is performed for a model of dissipative quintessential inflation realizing warm inflation at early…”
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Swampland, Axions and Minimal Warm Inflation by Das, Suratna, Goswami, Gaurav, Krishnan, Chethan

“…Phys. Rev. D 101, 103529 (2020) Warm inflation has been noted previously as a possible way to implement inflationary models compatible with the dS swampland…”
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Quantum to classical transition of inflationary perturbations: Continuous spontaneous localization as a possible mechanism by Das, Suratna, Lochan, Kinjalk, Sahu, Satyabrata, Singh, T. P.

“…The inflationary paradigm provides a mechanism to generate the primordial perturbations needed to explain the observed large-scale structures in the Universe…”
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Primordial non-Gaussianity as a signature of pre-inflationary radiation era by Das, Suratna

“…Primordial non-Gaussianity generated in an inflationary model where inflation is preceded by a radiation era is discussed. It is shown that both bispectrum and…”
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Effects of Radiation on Primordial Non-Gaussianity by Das, Suratna

“…Journal of Physics: Conference Series, 2014, 484 012055 We study the non-Gaussian features in single-field slow-roll inflationary scenario where inflation is…”
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Constraining continuous spontaneous localization strength parameter λ from standard cosmology and spectral distortions of cosmic microwave background radiation by Lochan, Kinjalk, Das, Suratna, Bassi, Angelo

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