Pramod Kumar Shukla
Assistant Professor
Pramod Kumar Shukla
Assistant Professor, Physical Sciences
PhD: Indian Institute of Technology Roorkee, Roorkee, 2011
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Previous appointments:
Faculty positions:
Assistant Professor, Department of Physics, University of Allahabad (UoA), Prayagraj (Aug 2022 - Dec 2022).
Assistant Professor, Department of Physics, Bose Institute (BI), Kolkata (Dec 2022 - ongoing).
Postdoc and other positions:
Postdoc (with Humboldt Fellowship), Max-Planck-Institute (MPI) for Physics, Munich (2011-2013).
Postdoc, Department of Physics, University of Torino (UniTO), Turin (2013-2015).
Postdoc, International Centre for Theoretical Physics (ICTP), Trieste (2015-2017).
Postdoc, Institute for Theoretical Physics (IFT) UAM-CSIC, Madrid (2017-2018).
Visiting Scientist, International Centre for Theoretical Physics (ICTP), Trieste (2018-2019).
Additional Affiliations and support:
Visiting Scientist (in a temporary capacity), International Centre for Theoretical Physics (ICTP), Trieste (2021-2022).
Visitor, Italian 'National Institute for Nuclear Physics' (INFN), Section of Bologna, in 2016 and 2017.
Associate member, INFN, Section of Turin, Turin (2013-2015).
Research interests:
Main Area:
String Cosmology
String Phenomenology
Topics of interest:
Flux Compactifications and Moduli Stabilization
LARGE Volume Scenarios (LVS)
de-Sitter Vacua and Swampland
Inflationary Model Building
Non-geometric Flux Compactifications
Effective Actions and S/T-dualities
Exploring the de-Sitter Vacua
Classifying the Calabi-Yau Orientifolds
Global model building using PALP, SAGE, cohomCalg and CYTools
Machine Learning
Contact:
| Address: |
Physical Sciences Unified Academic Campus Bose Institute EN-80, Sector V Bidhan Nagar Kolkata - 700 091, India |
| E-Mail: | pshukla[at]jcbose.ac.in |
Research:
There have been two streams of developments in string model building, namely string-cosmology and string-phenomenology. The first one focuses on understanding the challenging issues related to cosmology (such as realizing de-Sitter solutions, embedding of (post-)inflationary scenarios etc.) while the second stream addresses issues like realizing MSSM-spectrum, supersymmetry-breaking etc. The standard underlying approach of model building in string cosmology and string phenomenology has been considered quite independently and subsequently turns out to be too simplistic for resulting in realistic models. Qualitatively speaking, the reason is that the string-cosmology approach mostly needs the understanding of the ‘global’ aspects while the string-phenomenology approach mostly deals with the knowledge of ‘local’ aspects about the visible sector.
The prime goal of our current/near-future research activities is to combine the two (local/global) aspects into a single framework. In this context, we have been working on a systematic study of model building aspects using the type-IIB superstring compactifications in the so-called LARGE Volume Scenario (LVS) framework.
Publications:
Google Scholar: https://scholar.google.com/citations?user=A69coQYAAAAJ&hl=en
Orcid: https://orcid.org/0000-0001-9187-7702
Inspire-HEP: https://inspirehep.net/authors/1024591?ui-citation-summary=true
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Total number of Research articles: 55
2025
(1). Authors: S. AbdusSalam, X. Gao, G. K. Leontaris and P. Shukla
Title: Systematic exploration of the non-geometric flux landscape
Journal Ref.: European Physical Journal C (EPJC) 85, 244 (2025)
DOI: https://doi.org/10.1140/epjc/s10052-025-13980-x
Date of publication: 08 March 2025
(2). Authors: S. Biswas, G. K. Leontaris and P. Shukla
Title: Reading-off the non-geometric scalar potentials with U-dual fluxes
Journal Ref.: Journal of High Energy Physics (JHEP) 01, 153 (2025)
DOI: http://dx.doi.org/10.1007/JHEP01(2025)153
Date of publication: 29 January 2025
2024
(1). Authors: S. Bera, D. Chakraborty, G. K. Leontaris and P. Shukla
Title: Global embedding of fiber inflation in a perturbative large volume
scenario
Journal Ref.: Physical Review D (PRD) 110, 106009 (2024)
DOI: https://doi.org/10.1103/PhysRevD.110.106009
Date of publication: 15 November 2024
(2). Authors: S. Bera, D. Chakraborty, G. K. Leontaris and P. Shukla
Title: Inflating in perturbative LVS: global embedding and robustness
Journal Ref.: Journal of Cosmology and Astroparticle Physics (JCAP) 09, 004
(2024)
DOI: http://dx.doi.org/10.1088/1475-7516/2024/09/004
Date of publication: 02 September 2024
(3). Authors: G. K. Leontaris and P. Shukla
Title: On Formulating the Non-Geometric Scalar Potentials
Journal Ref.: Proceedings of Science: PoS(CORFU2023)311, (2024)
DOI: https://doi.org/10.22323/1.463.0311
Date of publication: 31 July 2024
(4). Authors: D. Prieto, J. Quirant, P. Shukla
Title: On the limitations of non-geometric fluxes to realize dS vacua
Journal Ref.: Journal of High Energy Physics (JHEP) 05, 008 (2024)
DOI: http://dx.doi.org/10.1007/JHEP05(2024)008
Date of publication: 02 May 2024
(5). Authors: G. K. Leontaris and P. Shukla
Title: Symplectic formulation of the type IIB scalar potential with U-dual
fluxes
Journal Ref.: Physical Review D (PRD) 109, 066018 (2024)
DOI: https://doi.org/10.1103/PhysRevD.109.066018
Date of publication: 18 March 2024
(6). Authors: M. Cicoli, M. Licheri, P. Piantadosi, F. Quevedo, and P. Shukla
Title: Higher Derivative Corrections to String Inflation
Journal Ref.: Journal of High Energy Physics (JHEP) 02, 115 (2024)
DOI: http://dx.doi.org/10.1007/JHEP02(2024)115
Date of publication: 15 February 2024
2023
(1). Authors: G. K. Leontaris and P. Shukla
Title: Taxonomy of scalar potential with U-dual fluxes
Journal Ref.: Physical Review D (PRD) 108, 126020 (2023)
DOI: http://dx.doi.org/10.1103/PhysRevD.108.126020
Date of publication: 22 December 2023
(2). Authors: G. K. Leontaris and P. Shukla
Title: Seeking de-Sitter Vacua in the String Landscape
Journal Ref.: Proceedings of Science: PoS(CORFU2022)058 (2023)
DOI: http://dx.doi.org/10.22323/1.436.0058
Date of publication: 08 November 2023
(3). Authors: S. AbdusSalam, C. Crino and P. Shukla
Title: On K3-fibred LARGE Volume Scenario with de Sitter vacua from
anti-D3-branes
Journal Ref.: Journal of High Energy Physics (JHEP) 03, 132 (2023)
DOI: http://dx.doi.org/10.1007/JHEP03(2023)132
Date of publication: 17 March 2023
(4). Authors: P. Shukla
Title: On stable type IIA de-Sitter vacua with geometric flux
Journal Ref.: European Physical Journal C (EPJC) 83, 196 (2023)
DOI: http://dx.doi.org/10.1140/epjc/s10052-023-11361-w
Date of publication: 06 March 2023
2022
(1). Authors: P. Shukla
Title: Classifying divisor topologies for string phenomenology
Journal Ref.: Journal of High Energy Physics (JHEP) 12, 055 (2022)
DOI: http://dx.doi.org/10.1007/JHEP12(2022)055
Date of publication: 09 December 2022
(2). Authors: F. Carta, A. Mininno and P. Shukla
Title: Systematics of perturbatively flat flux vacua for CICYs
Journal Ref.: Journal of High Energy Physics (JHEP) 08, 297 (2022)
DOI: http://dx.doi.org/10.1007/JHEP08(2022)297
Date of publication: 30 August 2022
(3). Authors: G. K. Leontaris and P. Shukla
Title: Stabilising all K\"ahler moduli in perturbative LVS
Journal Ref.: Journal of High Energy Physics (JHEP) 07, 047 (2022)
DOI: http://dx.doi.org/10.1007/JHEP07(2022)047
Date of publication: 08 July 2022
(4). Authors: F. Carta, A. Mininno and P. Shukla
Title: Divisor topologies of CICY 3-folds and their applications to
phenomenology
Journal Ref.: Journal of High Energy Physics (JHEP) 05, 101 (2022)
DOI: http://dx.doi.org/10.1007/JHEP05(2022)101
Date of publication: 16 May 2022
(5). Authors: M. Cicoli, A. Schachner and P. Shukla
Title: Systematics of type IIB moduli stabilisation with odd axions
Journal Ref.: Journal of High Energy Physics (JHEP) 04, 003 (2022)
DOI: http://dx.doi.org/10.1007/JHEP04(2022)003
Date of publication: 01 April 2022
(6). Authors: F. Carta, A. Mininno and P. Shukla
Title: Systematics of perturbatively flat flux vacua
Journal Ref.: Journal of High Energy Physics (JHEP) 02, 205 (2022)
DOI: http://dx.doi.org/10.1007/JHEP02(2022)205
Date of publication: 28 February 2022
2021
(1). Authors: M. Cicoli, I. Garcia-Etxebarria, F. Quevedo, A. Schachner, P.
Shukla and R. Valandro
Title: The Standard Model Quiver in de Sitter String Compactifications
Journal Ref.: Journal of High Energy Physics (JHEP) 08, 109 (2021)
DOI: http://dx.doi.org/10.1007/JHEP08(2021)109
Date of publication: 23 August 2021
(2). Author: P. Shukla
Title: Rigid nongeometric orientifolds and the swampland
Journal Ref.: Physical Review D (PRD) 103, 086010 (2021)
DOI: http://dx.doi.org/10.1103/PhysRevD.103.086010
Date of publication: 15 April 2021
(3). Author: P. Shukla
Title: Dictionary for the type II nongeometric flux compactifications
Journal Ref.: Physical Review D (PRD) 103, 086009 (2021)
DOI: http://dx.doi.org/10.1103/PhysRevD.103.086009
Date of publication: 15 April 2021
2020
(1). Authors: F. Marchesano, D. Prieto, J. Quirant and P. Shukla
Title: Systematics of Type IIA moduli stabilisation
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 113 (2020)
DOI: http://dx.doi.org/10.1007/JHEP11(2020)113
Date of publication: 20 November 2020
(2). Authors: S. AbdusSalam, S. Abel, M. Cicoli, F. Quevedo and P Shukla
Title: A Systematic Approach to Kähler Moduli Stabilisation
Journal Ref.: Journal of High Energy Physics (JHEP) 08, 047 (2020)
DOI: http://dx.doi.org/10.1007/JHEP08(2020)047
Date of publication: 11 August 2020
(3). Author: P. Shukla
Title: T-dualizing de Sitter no-go scenarios
Journal Ref.: Physical Review D (PRD) 102, 026014 (2020)
DOI: http://dx.doi.org/10.1103/PhysRevD.102.026014
Date of publication: 14 July 2020
2019
(1). Authors: X. Gao, P. Shukla and R. Sun
Title: On Missing Bianchi Identities in Cohomology Formulation
Journal Ref.: European Physical Journal C (EPJC) 79 (9), 781 (2019)
DOI: http://dx.doi.org/10.1140/epjc/s10052-019-7291-5
Date of publication: 21 September 2019
2018
(1). Authors: X. Gao, P. Shukla and R. Sun
Title: Symplectic formulation of the type IIA nongeometric scalar potential
Journal Ref.: Physical Review D (PRD) 98, 046009 (2018)
DOI: http://dx.doi.org/10.1103/PhysRevD.98.046009
Date of publication: 13 August 2018
(2). Authors: M. Cicoli, D. Ciupke, C. Mayrhofer and P. Shukla
Title: A Geometrical Upper Bound on the Inflaton Range
Journal Ref.: Journal of High Energy Physics (JHEP) 05, 001 (2018)
DOI: http://dx.doi.org/10.1007/JHEP05(2018)001
Date of publication: 02 May 2018
2017
(1). Authors: M. Cicoli, D. Ciupke, V. A. Diaz, V. Guidetti, F. Muia and P.
Shukla
Title: Chiral Global Embedding of Fibre Inflation Models
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 207 (2017)
DOI: http://dx.doi.org/10.1007/JHEP11(2017)207
Date of publication: 30 November 2017
(2). Authors: M. Cicoli, I. Garcia-Etxebarria, C. Mayrhofer, F. Quevedo, P.
Shukla and R. Valandro
Title: Global Orientifolded Quivers with Inflation
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 134 (2017)
DOI: http://dx.doi.org/10.1007/JHEP11(2017)134
Date of publication: 21 November 2017
2016
(1). Authors: M. Cicoli, F. Muia and P. Shukla
Title: Global embedding of Fibre inflation models
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 182 (2016)
DOI: http://dx.doi.org/10.1007/JHEP11(2016)182
Date of publication: 30 November 2016
(2). Author: P. Shukla
Title: Reading off the nongeometric scalar potentials via the topological data
of the Calabi-Yau manifolds
Journal Ref.: Physical Review D (PRD) 94, 086003 (2016)
DOI: http://dx.doi.org/10.1103/PhysRevD.94.086003
Date of publication: 10 October 2016
(3). Author: P. Shukla
Title: Revisiting the two formulations of Bianchi identities and their
implications on moduli stabilization
Journal Ref.: Journal of High Energy Physics (JHEP) 08, 146 (2016)
DOI: http://dx.doi.org/10.1007/JHEP08(2016)146
Date of publication: 24 August 2016
(4). Author: P. Shukla
Title: Implementing odd-axions in dimensional oxidation of non-geometric type
IIB action
Journal Ref.: Nuclear Physics B (NPB) 902, 458-482 (2016)
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2015.11.020
Date of publication: 26 November 2015 (online)
2015
(1). Author: P. Shukla
Title: A symplectic rearrangement of the four dimensional non-geometric scalar
potential
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 162 (2015)
DOI: http://dx.doi.org/10.1007/JHEP11(2015)162
Date of publication: 24 November 2015
(2). Author: P. Shukla
Title: On modular completion of generalized flux orbits
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 075 (2015)
DOI: http://dx.doi.org/10.1007/JHEP11(2015)075
Date of publication: 12 November 2015
(3). Authors: X. Gao and P. Shukla
Title: Dimensional oxidation and modular completion of non-geometric type IIB
action
Journal Ref.: Journal of High Energy Physics (JHEP) 05, 018 (2015)
DOI: http://dx.doi.org/10.1007/JHEP05(2015)018
Date of publication: 05 May 2015
2014
(1). Authors: X. Gao, T. Li and P. Shukla
Title: Fractional chaotic inflation in the lights of PLANCK and BICEP2
Journal Ref.: Physics Letters B (PLB) 738, 412-417 (2014)
DOI: http://dx.doi.org/10.1016/j.physletb.2014.10.007
Date of publication: 10 November 2014
(2). Authors: X. Gao, T. Li and P. Shukla
Title: Combining Universal and Odd RR Axions for Aligned Natural Inflation
Journal Ref.: Journal of Cosmology and Astroparticle Physics (JCAP) 10, 048
(2014)
DOI: http://dx.doi.org/10.1088/1475-7516/2014/10/048
Date of publication: 20 October 2014
(3). Authors: X. Gao, T. Li and P. Shukla
Title: Cosmological observables in multi-field inflation with a non-flat field
space
Journal Ref.: Journal of Cosmology and Astroparticle Physics (JCAP) 10, 008
(2014)
DOI: http://dx.doi.org/10.1088/1475-7516/2014/10/008
Date of publication: 6 October 2014
(4). Authors: X. Gao and P. Shukla
Title: F-term Stabilization of Odd Axions in LARGE Volume Scenario
Journal Ref.: Nuclear Physics B (NPB) 878, 269-294 (2014)
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2013.11.015
Date of publication: 28 November 2013 (online)
(5). Authors: A. Mazumdar and P. Shukla
Title: Some inequalities bridging stringy parameters and cosmological
observables
arXiv: 1411.4636 [hep-th]
2013
(1). Authors: X. Gao and P. Shukla
Title: On Classifying the Divisor Involutions in Calabi-Yau Threefolds
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 170 (2013)
DOI: http://dx.doi.org/10.1007/JHEP11(2013)170
Date of publication: 22 November 2013
(2). Authors: R. Blumenhagen, X. Gao, D. Herschmann and P. Shukla
Title: Dimensional Oxidation of Non-geometric Fluxes in Type II Orientifolds
Journal Ref.: Journal of High Energy Physics (JHEP) 10, 201 (2013)
DOI: http://dx.doi.org/10.1007/JHEP10(2013)201
Date of publication: 29 October 2013
(3). Authors: X. Gao and P. Shukla
Title: On Non-Gaussianities in Two-Field Poly-Instanton Inflation
Journal Ref.: Journal of High Energy Physics (JHEP) 03, 061 (2013)
DOI: http://dx.doi.org/10.1007/JHEP03(2013)061
Date of publication: 11 March 2013
2012
(1). Authors: R. Blumenhagen, X. Gao, T. Rahn and P. Shukla
Title: Moduli Stabilization and Inflationary Cosmology with Poly-Instantons in
Type IIB Orientifolds
Journal Ref.: Journal of High Energy Physics (JHEP) 11, 101 (2012)
DOI: http://dx.doi.org/10.1007/JHEP11(2012)101
Date of publication: 19 November 2012
(2). Authors: R. Blumenhagen, X. Gao, T. Rahn and P. Shukla
Title: A Note on Poly-Instanton Effects in Type IIB Orientifolds on Calabi-Yau
Threefolds
Journal Ref.: Journal of High Energy Physics (JHEP) 06, 162 (2012)
DOI: http://dx.doi.org/10.1007/JHEP06(2012)162
Date of publication: 27 June 2012
2011
(1). Author: P. Shukla
Title: Topics In Large Volume Swiss-Cheese Compactification Geometries
Note: Review article based on PhD Thesis
arXiv: 1105.0365 [hep-th]
(2). Authors: A. Misra and P. Shukla
Title: On 'light' fermions and proton stability in 'big divisor' D3/D7 large
volume compactifications
Journal Ref.: European Physical Journal C (EPJC) 71, 1662, (2011)
DOI: http://dx.doi.org/10.1140/epjc/s10052-011-1662-x
Date of publication: 01 June 2011
(3). Author: P. Shukla
Title: Moduli thermalization and finite temperature effects in "big"
divisor large volume D3/D7 Swiss-cheese compactification
Journal Ref.: Journal of High Energy Physics (JHEP) 01, 088 (2011)
DOI: http://dx.doi.org/10.1007/JHEP01(2011)088
Date of publication: 20 January 2011
2010
(1). Authors: A. Misra and P. Shukla
Title: Soft SUSY breaking parameters and RG running of squark and slepton
masses in large volume Swiss Cheese compactifications
Journal Ref.: Physics Letters B (PLB) 685, 347-352 (2010)
DOI: http://dx.doi.org/10.1016/j.physletb.2010.02.011
Date of publication: 08 March 2010
(2). Authors: A. Misra and P. Shukla
Title: Swiss Cheese D3-D7 Soft SUSY Breaking
Journal Ref.: Nuclear Physics B (NPB) 827, 112-182 (2010)
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2009.10.023
Date of publication: 01 March 2010
2009
(1). Authors: A. Misra and P. Shukla
Title: "Finite" Non-Gaussianities and Tensor-scalar ratio in the
Large Volume Swiss-Cheese Compactifications
Journal Ref.: Nuclear Physics B (NPB) 810, 174-192 (2009)
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2008.10.022
Date of publication: 21 March 2009
2008
(1). Authors: A. Misra and P. Shukla
Title: Large Volume Axionic Swiss-Cheese Inflation
Journal Ref.: Nuclear Physics B (NPB) 800, 384-400 (2008)
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2008.04.001
Date of publication: 01 September 2008
(2). Authors: A. Misra and P. Shukla
Title: Moduli Stabilization, Large-Volume dS Minimum Without anti-D3-Branes,
(Non-)Supersymmetric Black Hole Attractors and Two-Parameter Swiss Cheese
Calabi-Yau's
Journal Ref.: Nuclear Physics B (NPB) 799, 165-198 (2008)
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2008.03.001
Date of publication: 11 August 2008
2007
(1). Authors: P. Kaura, A. Misra and P. Shukla
Title: Super Picard-Fuchs Equations and Monodromies for Supermanifolds
Journal Ref.: Journal of Mathematical Physics (JMP) 48, 022306 (2007)
DOI: http://dx.doi.org/10.1063/1.2426418
Date of publication: 28 February 2007
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Recognition:
- The Alexander von Humboldt Fellowship, Germany, 2011
- Seal of Excellence certificate for a research proposal submitted to the Marie Sklodowska-Curie Actions (H2020-MSCA-IF- 2016), Horizon 2020, European Commission, 2017
Teaching:
Pre-PhD courses:
Sept 2024 - Feb 2025
-- Physics of Elementary Particles (B.19). (24 Lectures)
-- Mathematical Methods (B.28). (24 Lectures)
April - August 2023
-- Mathematical Methods (B.28). (24 Lectures)
Remark:
Mathematical Methods (B.28): This course is aimed for Pre-PhD students across various disciplines, including the Physical Sciences, the Chemical Sciences and the Biological Sciences at BI. The course content includes the following broader topics:
Groups Theory: Symmetries, Formal definitions and properties, Discrete groups, Group homomorphisms, Brief Introduction to Lie groups, Selective examples to demonstrate applications in Physics, Chemistry and Biology.
Topology and Geometry: Defining notions of Topological space, Homotopy, Topological invariants, Differentiable manifolds, Homeomorphism, Differential forms, Homology and Cohomology, Hodge duality, Fibre bundle, Some applications to realistic systems in Physics and Biology.
Students:
| Image | Name | Designation | Department | Campus | Contact number |
|---|
Former:
I. MSc Student/Visitor:
Current:
1. Mr. Manas Kumar Sinha,
MSc in Physics, IISER-BPR;
Master Thesis Title: Study of LVS Inflation
Duration: August 01, 2024 - May 31, 2025.
Past:
1. Ms. Swagata Bera,
Five Year Integrated MSc in Physics, ISERC, Visva Bharati University;
Master Thesis Title: Aspects of Fibre inflation in LVS
Duration: September 2023 - May 2024.
2. Mr. Sayan Biswas,
MSc in Physics, University of Calcutta;
Project Title: Study of non-geometric effective potentials with U-dual fluxes
Duration: January 09 - July 08, 2024.
II. Students on Summer Internship:
1. Ms.~Swagata Bera,
Five Year Integrated MSc in Physics, ISERC, Visva Bharati University;
Project Title: Application of Finite Groups in Solid State Physics
Duration: May 15 - July 08, 2023.
2. Ms.~Subhra Khan,
MSc in Physics, Savitribai Phule Pune University;
Project Title: Group Theory and Its Application
Duration: June 09 - August 28, 2023.
3. Mr. Anirban Bose,
MSc in Physics, IIT Hyderabad;
Project Title: Blow-up Inflation
Duration: June 18 - July 30, 2024.
4. Ms. Joshma Joseph,
MSc in Physics, Sacred Heart College Thevara, Kerala;
Project Title: Fibre Inflation
Duration: July 08 - August 31, 2024.
Group News:
Students interested in short-term internships are advised to apply through our regular summer-training program: http://www.jcbose.ac.in/summer-training
Students interested in working on a long-term project as part of their Master thesis may contact me with a short CV.
PhD applicants interested in joining our research group can apply as per the regular openings announced at http://www.jcbose.ac.in/admissions
Researchers interested in joining our group through N-PDF or any other possible postdoc fellowships can contact me with a CV and a short-proposal.