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Keywords

Particle Cosmology, Inflation, Reheating, Phase Transitions, Gravitational Waves, Dark Matter, Dark Energy

Countries

India, United Kingdom, Italy

Biography

Particle Cosmologist, interested in the Physics of the Early Universe

Activities

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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
DOI: 10.1140/epjc/s10052-025-13792-z
OTHER-ID: 2756288
ARXIV: 2402.04316
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
DOI: 10.48550/ARXIV.2403.10606
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
DOI: 10.48550/ARXIV.2407.07956
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
DOI: 10.48550/ARXIV.2402.04316
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
DOI: 10.21468/SciPostPhysCodeb.42-r1.0
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
DOI: 10.21468/SciPostPhysCodeb.42
OTHER-ID: 2606548
ARXIV: 2212.00529
Contributors: Bhatt, Siddharth S.; Mishra, Swagat Saurav; Basak, Soumen; Sahoo, Surya N.
Source: check_circle
INSPIRE-HEP
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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
DOI: 10.48550/ARXIV.2406.00108
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
DOI: 10.1088/1475-7516/2024/10/082
OTHER-ID: 2793779
ARXIV: 2406.00108
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
DOI: 10.1103/PhysRevD.108.063524
OTHER-ID: 2642134
ARXIV: 2303.07503
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
DOI: 10.1088/1475-7516/2023/09/005
OTHER-ID: 2647290
ARXIV: 2303.17375
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
DOI: 10.1088/1475-7516/2023/03/023
OTHER-ID: 2160779
ARXIV: 2210.01828
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
DOI: 10.48550/ARXIV.2202.03467
Contributors: Swagat S. Mishra; Varun Sahni
Source: Self-asserted source
Swagat S. Mishra

Numerical simulations of inflationary dynamics: slow roll and beyond

2022 | Preprint
DOI: 10.48550/ARXIV.2212.00529
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
DOI: 10.13140/RG.2.2.13658.06089
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
DOI: 10.1140/epjc/s10052-021-09433-w
OTHER-ID: 1664401
ARXIV: 1803.09767
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
DOI: 10.1088/1475-7516/2021/05/075
OTHER-ID: 1839228
ARXIV: 2101.00271
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
DOI: 10.1103/PhysRevD.102.063523
OTHER-ID: 1768411
ARXIV: 1912.01654
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
DOI: 10.1088/1475-7516/2020/04/007
OTHER-ID: 1762601
ARXIV: 1911.00057
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
DOI: 10.1103/PhysRevD.98.083538
OTHER-ID: 1648425
ARXIV: 1801.04948
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
DOI: 10.1088/1475-7516/2018/08/009
OTHER-ID: 1626072
ARXIV: 1709.09193
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
DOI: 10.1103/PhysRevD.97.123537
OTHER-ID: 1680246
ARXIV: 1807.00684
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
DOI: 10.1088/1475-7516/2017/06/045
OTHER-ID: 1516779
ARXIV: 1703.03295
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
ARXIV: 2202.03467
Contributors: Mishra, Swagat S.; Sahni, Varun
Source: check_circle
INSPIRE-HEP

Cosmic Inflation: Background dynamics, Quantum fluctuations and Reheating

Other | Author
OTHER-ID: 2769479
ARXIV: 2403.10606
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
ARXIV: 2407.07956
Contributors: Soman, Athul K.; Mishra, Swagat S.; Shafi, Mohammed; Basak, Soumen
Source: check_circle
INSPIRE-HEP
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