Pralay Kumar Karmakar

@tezu.ernet.in

Professor and Physics/Faculty
Tezpur University, Assam, India



                 

https://researchid.co/pkkpkk

RESEARCH INTEREST:

Plasma Physics, Astrophysics, Nonlinear Dynamics, Fluid Dynamics


BRIEF ACTIVITY:

(1) The first-batch graduate (with 2nd position) from Birjhorma Mahavidyalaya with Physics major

(2) MSc (with specialization in Theoretical Physics) from Gauhati University

(3) Worked in Center of Plasma Physics – Institute for Plasma Research (CPP-IPR) in Theoretical Plasma Physics for PhD awarded by Gauhati University

(4) Joined the Department of Physics, Tezpur University, as Assistant Professor in 2006; now, working as Associate Professor


AWARD:

(1) UGC-CSIR NET and GATE

(3) CSIR Senior Research Fellowship (SRF)

(2) Several projects from GoI sources (UGC, SERB)


MEMBERSHIP OF ACADEMIC AND PROFESSIONAL BODY:

[1] Plasma Science Society of India (PSSI LM ID: 424)
[2] Assam Science Society (ASS LM ID: 107)
[3] Departmental Advisory Committee (DAC)
[4] Life Member of several National and International Physical Societies

EDUCATION

Ph.D. (Plasma Physics)

RESEARCH INTERESTS

Astroplasma Physics, Fluid Stability, Plasma Physics, Plasma Sheaths, Complex Systems, Cosmic Fluid Dynamics, and Structure Formation

FUTURE PROJECTS

Astrophysical plasmas and fluids

I am interested in structure formation dynamics


Applications Invited
Collaborators, Experts, Examiners, etc
1096

Scholar Citations

18

Scholar h-index

45

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • Overtaking collisions of dust-acoustic multi-solitons in opposite-polarity plasmas: phase shifts and nonlinear dynamics under Cairns-Tsallis electron statistics
    A Atteya, R Altuijri, AH Abdel-Aty, PK Karmakar, KS Nisar
    Multiscale and Multidisciplinary Modeling, Experiments and Design 9 (1), 74 2026

  • The Role of Dust Concentrations and Kaniadakis Entropy in the Dynamics of Dust-Ion-Acoustic Waves in Magnetized Dusty Plasmas
    A Atteya, M Abd-Elzaher, R Altuijri, KS Nisar, AH Abdel-Aty, PK Karmakar, ...
    Chinese Journal of Physics 2026

  • A parametric analysis of ion-acoustic wave propagation in viscous nonthermal solar wind plasmas
    S Das, PK Karmakar
    Advances in Space Research 2025

  • Comparative study of dust acoustic wave energy and stability in magnetized dusty plasmas with variable dust sizes and hybrid electron distributions
    A Atteya, R Altuijri, KS Nisar, AH Abdel-Aty, M Abd-Elzaher, PK Karmakar
    Rendiconti Lincei. Scienze Fisiche e Naturali 36 (4), 1265-1279 2025

  • Instability analysis of Saturnian magnetospheric complex plasmas with heteropolar dust grains
    T Bezbaruah, PK Karmakar
    Monthly Notices of the Royal Astronomical Society 544 (3), 2987-3004 2025

  • Unstable O-mode generation in confined plasmas with multi-parametric gradient effects
    B Saikia, P Deka, PK Karmakar
    Fundamental Plasma Physics, 100104 2025

  • Jeans instability in fourth-order gravity in application to astrocosmic structure formation
    M Das, PK Karmakar, A Hazarika
     2025

  • Impact of Thermodynamic Corrections on the Stability of Hayward-Anti de Sitter Black Hole Surrounded by a Fluid of Strings
    S Bora, DJ Gogoi, PK Karmakar
    arXiv preprint arXiv:2510.04208 2025

  • Elevating plasma physics: The role of higher-order nonlinearities in space dust shock waves with superthermal ions
    A Atteya, R Altuijri, KS Nisar, AH Abdel-Aty, M Abd-Elzaher, PK Karmakar
    Wave Motion, 103646 2025

  • Plasma sheath physics: a circuital description, amelioration, and application
    PK Karmakar, S Dutta, U Deka
    The European Physical Journal Plus 140 (10), 1-21 2025

  • Plasma fireball sheath dynamics: a brief review and meta-analysis
    S Dutta, A Atteya, PK Karmakar
    Discover Space 129 (1), 9 2025

  • A bifluidic model formalism analyzing sheath plasma resonance in inverted fireballs
    S Dutta, J Gruenwald, PK Karmakar
    Results in Physics, 108413 2025

  • A theoretical model analysis for non-thermal solar plasma fluctuations
    S Das, A Ahmed, PK Karmakar
     2025

  • Dynamics of Hydrogen Ion-Acoustic, Periodic, and Superperiodic Waves in Magnetized Cometary Plasma Comprising Oxygen Ions and Superthermal Electrons
    A Atteya, R Altuijri, AH Abdel-Aty, K Sooppy Nisar, M Abd-Elzaher, ...
    Brazilian Journal of Physics 55 (4), 180 2025

  • Parametric control of electron–positron acoustic solitons: bridging quantum plasma theory and compact stellar objects
    MA El-Borie, A Mabrouk, R Altuijri, KS Nisar, AH Abdel-Aty, PK Karmakar, ...
    Zeitschrift fr Naturforschung A 2025

  • Nonthermal analysis of helioseismic fluctuation dynamics
    S Das, PK Karmakar
    American Astronomical Society Meeting Abstracts 246, 206.07 2025

  • Dynamics of Polarized Ion-Acoustic Waves in Magnetized Degenerate Multi Ions Plasma with Trapped Electrons: Nonlinear Periodic and Superperiodic Waves
    A Atteya, R Altuijri, KS Nisar, AH Abdel-Aty, PK Karmakar, EM El-Bayoumi
    Brazilian Journal of Physics 55 (3), 133 2025

  • Spherical nonthermal pulsational mode stability thermo-statistically moderated with extra-negative ions
    J Dutta, A Atteya, PK Karmakar
    Fundamental Plasma Physics 14, 100087 2025

  • An electric circuital analysis of laboratory plasma sheath fluctuations and propagations
    S Dutta, PK Karmakar
    arXiv preprint arXiv:2505.19553 2025

  • Effect of kappa-modified polarization force on Jeans instability in nonthermal EiBI-gravitating dust clouds
    D Ray, PK Karmakar, S Saikia
    arXiv preprint arXiv:2504.18655 2025

MOST CITED SCHOLAR PUBLICATIONS

  • A gravito-electrostatic sheath model for surface origin of subsonic solar wind plasma
    CB Dwivedi, PK Karmakar, SC Tripathy
    The Astrophysical Journal 663 (2), 1340 2007
    Citations: 51

  • Stability analysis of non-thermal complex astrofluids in the presence of polarized dust-charge fluctuations
    P Dutta, P Das, PK Karmakar
    Astrophysics and Space Science [DOI 10.1007/s10509-016-2912-z] 361 (322), 1-8 2016
    Citations: 33

  • Nucleus-acoustic waves: Excitation, propagation, and stability
    PK Karmakar, P Das
    Physics of Plasmas 25 (8) 2018
    Citations: 32

  • Propagatory dynamics of nucleus-acoustic waves excited in gyrogravitating degenerate quantum plasmas electrostatically confined in curved geometry
    S Dasgupta, PK Karmakar
    Scientific Reports 11, 19126 (1-12) 2021
    Citations: 25

  • A numerical characterization of the gravito-electrostatic sheath equilibrium structure in solar plasma
    K Pralay Kumar, D Chandra Bhushan
    International Journal of Astronomy and Astrophysics 2011 2011
    Citations: 25

  • Electron inertial delay effect on acoustic soliton behavior in transonic region
    U Deka, A Sarma, R Prakash, PK Karmakar, CB Dwivedi
    Physica Scripta 69 (4), 303 2004
    Citations: 25

  • Viscoelastic pulsational mode
    P Dutta, PK Karmakar
    Astrophysics and Space Science 362 (10.1007/s10509-017-3120-1), 141 (1-12) 2017
    Citations: 24

  • Stability analysis of the Gravito-Electrostatic Sheath-based solar plasma equilibrium
    PK Karmakar, HP Goutam, M Lal, CB Dwivedi
    Monthly Notices of the Royal Astronomical Society 460 (3), 2919-2932 2016
    Citations: 24

  • Electrostatic streaming instability modes in complex viscoelastic quantum plasmas
    PK Karmakar, HP Goutam
    Physics of Plasmas 23 (http://dx.doi.org/10.1063/1.4967855), 112121 (1-14) 2016
    Citations: 23

  • Pulsational mode fluctuations and their basic conservation laws
    B Borah, PK Karmakar
    Advances in Space Research 55, 416-427 2015
    Citations: 23

  • Nonlinear pulsational eigenmodes of a planar collisional dust molecular cloud with grain-charge fluctuation
    PK Karmakar, B Borah
    The European Physical Journal D 67 (9), 187 2013
    Citations: 23

  • Nonlinear stability of pulsational mode of gravitational collapse in self-gravitating hydrostatically bounded dust molecular cloud
    PK Karmakar
    Pramana 76 (6), 945-956 2011
    Citations: 23

  • Graphical analysis of electron inertia induced acoustic instability
    PK Karmakar, U Deka, CB Dwivedi
    Physics of plasmas 12 (3) 2005
    Citations: 22

  • Comparison study of the energy and instability of ion-acoustic solitary waves in magnetized electron–positron–ion quantum plasma
    WF El-Taibany, PK Karmakar, AA Beshara, MA El-Borie, SA Gwaily, ...
    Scientific Reports 12 (1), 19078 2022
    Citations: 21

  • Analyzing the instability dynamics of spherical complex astroclouds in a magnetized meanfluidic fabric
    D Kalita, PK Karmakar
    Physics of Plasmas 27 (2) 2020
    Citations: 21

  • A generalized hydrodynamic model for acoustic mode stability in viscoelastic plasma fluid
    B Borah, A Haloi, PK Karmakar
    Astrophysics and Space Science 361 (5), 165 2016
    Citations: 20

  • Dynamics of gravitational instability excitation in viscoelastic polytropic fluids
    PK Karmakar, D Kalita
    Astrophysics and Space Science 363 (11), 239 2018
    Citations: 19

  • The Jeans instability in viscoelastic spherical astrophysical fluid media
    S Dasgupta, PK Karmakar
    Astrophysics and Space Science 364 (12), 213 2019
    Citations: 18

  • Instability analysis of cosmic viscoelastic gyro-gravitating clouds in the presence of dark matter
    PK Karmakar, P Das
    Astrophysics and Space Science 362 (10.1007/s10509-017-3125-9), 142 (1-13) 2017
    Citations: 18

  • Nonlinear nucleus-acoustic waves in strongly coupled degenerate quantum plasmas
    P Das, PK Karmakar
    Europhysics Letters 126 (1), 10001 2019
    Citations: 17