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Particle Cosmology, Inflation, Reheating, Phase Transitions, Gravitational Waves, Dark Matter, Dark Energy
India, United Kingdom, Italy

Biography

Particle Cosmologist, interested in the Physics of the Early Universe

Activities

Employment (2)

University of Nottingham: Nottingham, GB

2023-10-16 to present | Postdoctoral Research Fellow (Centre for Astronomy and particle Theory)
Employment
Source: Self-asserted source
Swagat S. Mishra

University of Nottingham: Nottingham, Nottingham, GB

2021-10-16 to 2023-10-15 | Postdoctoral Research Associate (Particle Cosmology Group)
Employment
Source: Self-asserted source
Swagat S. Mishra

Education and qualifications (3)

Inter-University Centre for Astronomy and Astrophysics: Pune, Maharashtra, IN

2015-01-05 to 2021-07-26 | PhD (Cosmology)
Education
Source: Self-asserted source
Swagat S. Mishra

Scuola Internazionale Superiore di Studi Avanzati: Trieste, Friuli-Venezia Giulia, IT

2013-10-01 to 2014-12-30 | Grad-School Coursework (Astro-particle Physics)
Education
Source: Self-asserted source
Swagat S. Mishra

National Institute of Science Education and Research: Bhubaneswar, Orissa, IN

2008-07-20 to 2013-05-10 | Masters (Physics)
Education
Source: Self-asserted source
Swagat S. Mishra

Professional activities (3)

STFC: Sheffield, GB

2024-08 to 2024-09 | Tutor for BUSSTEPP 2024 (Physics)
Service
Source: Self-asserted source
Swagat S. Mishra

STFC: Liverpool, GB

2023-08 to 2023-09 | Tutor (BUSSTEPP Particle Physics Summer School)
Service
Source: Self-asserted source
Swagat S. Mishra

Astronomical Society of India: New Delhi, IN

2021 | Justice Oak Outstanding Thesis Award
Distinction
Source: Self-asserted source
Swagat S. Mishra

Works (26)

New models of quintessential inflation featuring plateau and hilltop potentials

Eur.Phys.J.C
2025-01-21 | Journal article | Author
OTHER-ID: 2756288
Contributors: Swagat S. Mishra; Varun Sahni
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Cosmic Inflation: Background dynamics, Quantum fluctuations and Reheating

2024 | Review
Contributors: Swagat S. Mishra
Source: Self-asserted source
Swagat S. Mishra

Inflationary Gravitational Waves as a probe of the unknown post-inflationary primordial Universe

2024 | Preprint
Contributors: Athul K. Soman; Swagat S. Mishra; Mohammed Shafi; Soumen Basak
Source: Self-asserted source
Swagat S. Mishra

New models of Quintessential Inflation featuring plateau and hilltop potentials

2024 | Preprint
Contributors: Swagat S. Mishra; Varun Sahni
Source: Self-asserted source
Swagat S. Mishra

Codebase release 1.0 for NumDynInflation

SciPost Physics Codebases
2024-12-12 | Journal article
Contributors: Siddharth Bhatt; Swagat Saurav Mishra; Soumen Basak; Surya N. Sahoo
Source: check_circle
Crossref

Numerical simulations of inflationary dynamics: Slow roll and beyond

SciPost Phys.Codeb.
2024-12-12 | Journal article
OTHER-ID: 2606548
Contributors: Bhatt, Siddharth S.; Mishra, Swagat Saurav; Basak, Soumen; Sahoo, Surya N.
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Formation and decay of oscillons after inflation in the presence of an external coupling, Part-I: Lattice simulations

Journal of Cosmology and Astroparticle Physics
2024-10 | Journal article
Contributors: Mohammed Shafi; Edmund J. Copeland; Rafid Mahbub; Swagat S. Mishra; Soumen Basak
Source: Self-asserted source
Swagat S. Mishra

Formation and decay of oscillons after inflation in the presence of an external coupling. Part I. Lattice simulations

JCAP
2024-10-25 | Journal article | Author
OTHER-ID: 2793779
Contributors: Mohammed Shafi; Edmund Copeland; Rafid Mahbub; Swagat S. Mishra; Basak, Soumen
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Oscillon formation from preheating in asymmetric inflationary potentials

Phys.Rev.D
2023-09-15 | Journal article | Author
OTHER-ID: 2642134
Contributors: Rafid Mahbub; Swagat S. Mishra
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Primordial black holes and stochastic inflation beyond slow roll. Part I. Noise matrix elements

JCAP
2023-09-04 | Journal article | Author
OTHER-ID: 2647290
Contributors: Swagat S. Mishra; Edmund Copeland; Anne Green
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Tabletop potentials for inflation from f(R) gravity

JCAP
2023-03-08 | Journal article
OTHER-ID: 2160779
Contributors: Shtanov, Yuri; Sahni, Varun; Mishra, Swagat S.
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Canonical and Non-canonical Inflation in the light of the recent BICEP/Keck results

2022 | Preprint
Contributors: Swagat S. Mishra; Varun Sahni
Source: Self-asserted source
Swagat S. Mishra

Numerical simulations of inflationary dynamics: slow roll and beyond

2022 | Preprint
Contributors: Siddharth S. Bhatt; Swagat S. Mishra; Soumen Basak; Surya N. Sahoo
Source: Self-asserted source
Swagat S. Mishra

Some aspects of the Accelerating Universe: from Inflation to Dark Energy

Jawaharlal National University
2021 | Dissertation or Thesis
Contributors:
Source: Self-asserted source
Swagat S. Mishra

Unifying dark matter and dark energy with non-canonical scalars

Eur.Phys.J.C
2021-07-18 | Journal article
OTHER-ID: 1664401
Contributors: Given Names Deactivated Family Name Deactivated; Sahni, Varun
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Curing inflationary degeneracies using reheating predictions and relic gravitational waves

JCAP
2021-05-28 | Journal article
OTHER-ID: 1839228
Contributors: Mishra, Swagat S.; Sahni, Varun; Starobinsky, Alexei A.
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Generality of Starobinsky and Higgs inflation in the Jordan frame

Phys.Rev.D
2020-09-19 | Journal article
OTHER-ID: 1768411
Contributors: Mishra, Swagat S.; Müller, Daniel; Toporensky, Aleksey V.
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Primordial Black Holes from a tiny bump/dip in the Inflaton potential

JCAP
2020-04-03 | Journal article
OTHER-ID: 1762601
Contributors: Mishra, Swagat S.; Sahni, Varun
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Initial conditions for Inflation in an FRW Universe

Phys.Rev.D
2018-10-31 | Journal article
OTHER-ID: 1648425
Contributors: Mishra, Swagat S.; Sahni, Varun; Toporensky, Alexey V.
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

New tracker models of dark energy

JCAP
2018-08-08 | Journal article
OTHER-ID: 1626072
Contributors: Bag, Satadru; Mishra, Swagat S.; Sahni, Varun
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Emulating a ΛCDM-like expansion on the phantom brane

Phys.Rev.D
2018-06-27 | Journal article
OTHER-ID: 1680246
Contributors: Bag, Satadru; Mishra, Swagat S.; Sahni, Varun
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Sourcing Dark Matter and Dark Energy from $\alpha$-attractors

JCAP
2017-06-23 | Journal article
OTHER-ID: 1516779
Contributors: Mishra, Swagat S.; Sahni, Varun; Shtanov, Yuri
Source: check_circle
INSPIRE-HEP
grade
Preferred source (of 2)‎

Rolling down solution in a simple mechanical model

Prayas (Students Journal of Physics by Indian Association of Physics Teachers (IAPT)
2010-01 | Journal article
Contributors: Swagat S. Mishra
Source: Self-asserted source
Swagat S. Mishra

Canonical and Non-canonical Inflation in the light of the recent BICEP/Keck results

Journal article
OTHER-ID: 2029621
Contributors: Mishra, Swagat S.; Sahni, Varun
Source: check_circle
INSPIRE-HEP

Cosmic Inflation: Background dynamics, Quantum fluctuations and Reheating

Other | Author
OTHER-ID: 2769479
Contributors: Swagat S. Mishra
Source: check_circle
INSPIRE-HEP

Inflationary Gravitational Waves as a probe of the unknown post-inflationary primordial Universe

Journal article
OTHER-ID: 2806875
Contributors: Soman, Athul K.; Mishra, Swagat S.; Shafi, Mohammed; Basak, Soumen
Source: check_circle
INSPIRE-HEP