Sourav Bhattacharya

	Citeable	Published
Papers	53	46
Citations	735	731
h-index	16	16
Citations/paper (avg)	13.9	15.9

Effective action for

\phi^4

-Yukawa theory via 2PI formalism in the inflationary de Sitter spacetime

#1

Sourav Bhattacharya
(
- Jadavpur U.
)
,
Kinshuk Ray
(
- Jadavpur U.
)

(Mar 27, 2025)

e-Print:
- 2503.21578 [hep-th]

pdf

reference search0 citations

Yukawa coupling, and inflationary correlation functions for a spectator scalar via stochastic spectral expansion

#2

Sourav Bhattacharya
(
- Jadavpur U. and
- Indian Inst. Tech., Ropar
)
,
Sudesh Kumar

(Feb 11, 2025)

e-Print:
- 2502.07428 [gr-qc]

pdf

reference search1 citation

Self interacting scalar field theory in general curved spacetimes at zero and finite temperature revisited

#3

Vishal Nath
(
- Jadavpur U.
)
,
Sourav Bhattacharya
(
- Jadavpur U.
)

(Oct 9, 2024)

e-Print:
- 2410.06563 [gr-qc]

pdf

reference search0 citations

Entanglement generation between two comoving Unruh-DeWitt detectors in the cosmological de Sitter spacetime

#4

(Apr 18, 2024)

e-Print:
- 2404.11931 [gr-qc]

pdf

reference search0 citations

Loop correction and resummation of vertex functions for a self interacting scalar field in the de Sitter spacetime

#5

(Dec 5, 2023)

Published in:
- Annals Phys. 469 (2024) 169764
•
e-Print:
- 2312.03036 [hep-th]

pdfDOI

reference search2 citations

Resummation of local and non-local scalar self energies via the Schwinger–Dyson equation in de Sitter spacetime

#6

Sourav Bhattacharya
(
- Jadavpur U.
)
,
Nitin Joshi
(
- Indian Inst. Tech., Ropar
)
,
Kinsuk Roy
(
- Jadavpur U.
)

(Oct 30, 2023)

Published in:
- Gen.Rel.Grav. 56 (2024) 8, 94,
- Gen.Rel.Grav. 56 (2024) 94
•
e-Print:
- 2310.19436 [hep-th]

pdfDOI

reference search5 citations

Non-perturbative ⟨ϕ⟩, ⟨ϕ

^{2}

⟩ and the dynamically generated scalar mass with Yukawa interaction in the inflationary de Sitter spacetime

#7

(Aug 22, 2023)

Published in:
- JCAP 01 (2024) 056
•
e-Print:
- 2308.11384 [hep-th]

pdfDOI

reference search6 citations

Decoherence and entropy generation at one loop in the inflationary de Sitter spacetime for Yukawa interaction

#8

(Jul 25, 2023)

Published in:
- JCAP 04 (2024) 078
•
e-Print:
- 2307.13443 [hep-th]

pdfDOI

reference search9 citations

Non-perturbative analysis for a massless minimal quantum scalar with V(ϕ) = λϕ

^{4}

/4! + βϕ

^{3}

/3! in the inflationary de Sitter spacetime

#9

(Nov 22, 2022)

Published in:
- JCAP 03 (2023) 058
•
e-Print:
- 2211.12027 [hep-th]

pdfDOI

reference search9 citations

Stationary black holes and stars in the Brans-Dicke theory with

Λ > 0

revisited

#10

Md Sabir Ali
(
- IISER, Kolkata, Mohanpur
)
,
Sourav Bhattacharya
(
- Jadavpur U. and
- Indian Inst. Tech., Ropar
)
,
Shagun Kaushal
(
- Indian Inst. Tech., Ropar
)

(Sep 22, 2022)

Published in:
- Phys.Rev.D 106 (2022) 12, L121502
•
e-Print:
- 2209.11011 [gr-qc]

pdfDOI

reference search2 citations

Decoherence and entropy generation in an open quantum scalar-fermion system with Yukawa interaction

#11

(Jun 30, 2022)

Published in:
- Eur.Phys.J.C 83 (2023) 3, 208
•
e-Print:
- 2206.15045 [hep-th]

DOI

reference search5 citations

Massless minimal quantum scalar field with an asymmetric self interaction in de Sitter spacetime

#12

Sourav Bhattacharya
(
- Jadavpur U. and
- Indian Inst. Tech., Ropar
)

(Feb 3, 2022)

Published in:
- JCAP 09 (2022) 041
•
e-Print:
- 2202.01593 [hep-th]

pdfDOI

reference search9 citations

Vacuum polarization of Dirac fermions in the cosmological de Sitter global monopole spacetime

#13

(Sep 6, 2021)

Published in:
- Phys.Rev.D 105 (2022) 8, 085006
•
e-Print:
- 2109.02590 [hep-th]

pdfDOI

reference search1 citation

Entanglement degradation in multi-event horizon spacetimes

#14

(May 5, 2021)

Published in:
- Phys.Rev.D 105 (2022) 6, 065007
•
e-Print:
- 2105.02026 [hep-th]

pdfDOI

reference search26 citations

Fermionic Bell violation in the presence of background electromagnetic fields in the cosmological de Sitter spacetime

#15

(Feb 23, 2021)

Published in:
- Phys.Rev.D 104 (2021) 12, 125012
•
e-Print:
- 2102.11745 [hep-th]

pdfDOI

reference search5 citations

Some measures for fermionic entanglement in the cosmological de Sitter spacetime

#16

(Jun 25, 2020)

Published in:
- Phys.Rev.D 102 (2020) 4, 045017
•
e-Print:
- 2006.14212 [hep-th]

DOI

reference search12 citations

Background magnetic field and quantum correlations in the Schwinger effect

#17

(May 26, 2020)

Published in:
- Phys.Lett.B 811 (2020) 135875
•
e-Print:
- 2005.12866 [hep-th]

DOI

reference search12 citations

Unruh-DeWitt detector responses for complex scalar fields in de Sitter spacetime

#18

(Mar 24, 2020)

Published in:
- JHEP 03 (2021) 220
•
e-Print:
- 2003.11046 [hep-th]

DOI

reference search9 citations

Dirac fermion, cosmological event horizons and quantum entanglement

#19

(Dec 27, 2019)

Published in:
- Phys.Rev.D 101 (2020) 8, 085016
•
e-Print:
- 1912.12272 [hep-th]

DOI

reference search17 citations

The maximum turnaround radius of non-spherical cosmic structures

#20

(Nov 14, 2019)

Published in:
- Annals Phys. 427 (2021) 168427
•
e-Print:
- 1911.06228 [gr-qc]

pdfDOI

reference search5 citations

Emergent

\alpha

-like fermionic vacuum structure and entanglement in the hyperbolic de Sitter spacetime

#21

(Dec 18, 2018)

Published in:
- Eur.Phys.J.C 79 (2019) 9, 799
•
e-Print:
- 1812.07317 [hep-th]

DOI

reference search11 citations

Particle creation by de Sitter black holes revisited

#22

Sourav Bhattacharya
(
- Indian Inst. Tech., Ropar
)

(Oct 31, 2018)

Published in:
- Phys.Rev.D 98 (2018) 12, 125013
•
e-Print:
- 1810.13260 [gr-qc]

pdfDOI

reference search25 citations

Comments on the entropic gravity proposal

#23

Sourav Bhattacharya
(
- Indian Inst. Tech., Ropar
)
,
Panagiotis Charalambous
(
- Cyprus U.
)
,
Theodore N. Tomaras
(
- Crete U.
)
,
Nicolaos Toumbas
(
- Cyprus U.
)

(Mar 15, 2018)

Published in:
- Eur.Phys.J.C 78 (2018) 8, 627
•
e-Print:
- 1803.05822 [gr-qc]

DOI

reference search2 citations

Cosmological screening and the phantom braneworld model

#24

Sourav Bhattacharya
(
- Indian Inst. Tech., Ropar
)
,
Stefanos R. Kousvos
(
- Crete U.
)
,
Stylianos Romanopoulos
(
- Crete U.
)
,
Theodore N. Tomaras
(
- Crete U.
)

(Feb 21, 2018)

Published in:
- Eur.Phys.J.C 78 (2018) 8, 637
•
e-Print:
- 1802.07660 [gr-qc]

DOI

reference search8 citations

Kerr-de Sitter spacetime, Penrose process and the generalized area theorem

#25

Sourav Bhattacharya
(
- Indian Inst. Tech., Ropar
)

(Oct 3, 2017)

Published in:
- Phys.Rev.D 97 (2018) 8, 084049
•
e-Print:
- 1710.00997 [gr-qc]

pdfDOI

reference search17 citations

Sourav Bhattacharya(
Jadavpur U., Kolkata
)

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Sourav Bhattacharya(Jadavpur U., Kolkata)

Date of paper

Number of authors

Exclude RPP

Document Type

Collaborators

Affiliations

Citation Summary

Sourav Bhattacharya(
Jadavpur U., Kolkata
)