Pralay Kumar Karmakar

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Professor and Physics/Faculty
Tezpur University, Assam, India



Plasma Physics, Astrophysics, Nonlinear Dynamics, Fluid Dynamics


(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



(3) CSIR Senior Research Fellowship (SRF)

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


[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


Ph.D. (Plasma Physics)


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


Astrophysical plasmas and fluids

I am interested in structure formation dynamics

Applications Invited
Collaborators, Experts, Examiners, etc

Scholar Citations


Scholar h-index


Scholar i10-index


  • A multi-order nonlinear meta-analysis of bifluidic fireball sheath fluctuations
    S Dutta, PK Karmakar
    Waves in Random and Complex Media, 1-27 2023

  • Nonlinear streaming instability in viscoelastic quantum dusty plasmas
    S Roy, T Bezbaruah, PK Karmakar
    Waves in Random and Complex Media, 1-23 2023

  • Solar plasma characterization in Kappa (κ)-modified polytropic turbomagnetic GES-model perspective
    P Sarma, PK Karmakar
    Monthly Notices of the Royal Astronomical Society 519 (2), 2879-2916 2023

  • Instability of magnetosonic waves in magnetized degenerate half-spin-polarized quantum plasma
    WF El-Taibany, PK Karmakar, AA Beshara, MA El-Borie, SA Gwaily, ...
    Waves in Random and Complex Media, 1-23 2023

  • A perceptive overview of nucleus-acoustic waves in degenerate quantum astroplasmas
    PK Karmakar, S Dasgupta 2023

  • Evidence of oblique electron acoustic solitary waves triggered by magnetic reconnection in Earth’s magnetosphere
    A Atteya, SK EL-Labany, PK Karmakar, MS Afify
    Physica Scripta 98 (1), 015601 2022

  • A hybrid GNA instability
    PK Karmakar, D Kalita, A Atteya
    Scientific Reports 12 (1), 19990 2022

  • 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

  • Acoustic waves in the Jovian dusty magnetosphere: a brief review and meta-analysis
    S Das, A Atteya, PK Karmakar
    Reviews of Modern Plasma Physics 6 (1), 35 2022

  • Fireball sheath instability
    S Dutta, PK Karmakar
    Journal of Astrophysics and Astronomy 43 (2), 64 2022

  • Acoustic modal instability in relativistic gyromagnetoactive ultra-dense quantum fluids
    S Dasgupta, PK Karmakar
    Journal of Astrophysics and Astronomy 43 (2), 60 2022

  • Athermal GES-based solar plasma stability with sphero-logabarotropic special effects
    PK Karmakar, U Deka
    Europhysics Letters 139 (3), 33004 2022

  • Analyzing non-thermal steady solar plasmas in the κ-modified polytropic GES model framework
    P Sarma, PK Karmakar
    Journal of Astrophysics and Astronomy 43 (2), 46 2022

  • Non-planar magnetoactive GES-based solar plasma stability
    S Das, PK Karmakar
    Journal of Astrophysics and Astronomy 43 (2), 44 2022

  • Stability of nucleus-acoustic waves in completely degenerate white dwarf cores and their nearly degenerate ambience
    S Dasgupta, A Atteya, PK Karmakar
    arXiv preprint arXiv:2207.06637 2022

  • An Analytic Overview of Equations of Substantial State in Plasmonic Perspective
    PK Karmakar, S Saikia
    Recent Advances in Plasmonic Probes: Theory and Practice, 41-119 2022

    T Bezbaruah, PK Karmakar
    ICPDP, 18 2022

    PK Karmakar, S Dasgupta
    ICPDP, 52 2022

  • Relativistic ion-acoustic waves in electrospherically confined gyromagnetoactive quantum plasmas
    S Dasgupta, PK Karmakar
    Chinese Journal of Physics 76, 299-309 2022

  • Instability dynamics in gyrogravitating astroclouds with cosmic ray moderation in non-ideal MHD fabric
    P Dutta, PK Karmakar
    Pramana 95, 1-12 2021


  • 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: 42

  • 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: 26

  • 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: 24

  • Graphical analysis of electron inertia induced acoustic instability
    PK Karmakar, U Deka, CB Dwivedi
    Physics of plasmas 12 (3), 032105 2005
    Citations: 22

  • 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: 21

  • Nucleus-acoustic waves: Excitation, propagation, and stability
    PK Karmakar, P Das
    Physics of Plasmas 25 (8), 082902 2018
    Citations: 19

  • 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: 18

  • Nonlinear stability of pulsational mode of gravitational collapse in self-gravitating hydrostatically bounded dust molecular cloud
    PK Karmakar
    Pramana 76, 945-956 2011
    Citations: 18

  • Nonlinear pulsational eigenmodes of a planar collisional dust molecular cloud with grain-charge fluctuation
    PK Karmakar, B Borah
    The European Physical Journal D 67, 1-14 2013
    Citations: 17

  • Electrostatic streaming instability modes in complex viscoelastic quantum plasmas
    PK Karmakar, HP Goutam
    Physics of Plasmas 23 (, 112121 (1-14) 2016
    Citations: 15

  • Viscoelastic pulsational mode
    P Dutta, PK Karmakar
    Astrophysics and Space Science 362 (10.1007/s10509-017-3120-1), 141 (1-12) 2017
    Citations: 14

  • 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: 14

  • Pulsational mode fluctuations and their basic conservation laws
    B Borah, PK Karmakar
    Advances in Space Research 55, 416-427 2015
    Citations: 13

  • New nonlinear eigenmodes of a self-gravitating spherical charged dust molecular cloud
    PK Karmakar, B Borah
    Physica Scripta 86 (2), 025503 2012
    Citations: 12

  • Response to “Comment on ‘Graphical analysis of electron inertia induced acoustic instability'”[Phys. Plasmas 13, 104701 (2006)]
    PK Karmakar, U Deka, CB Dwivedi
    Physics of Plasmas 13 (10), 104702 2006
    Citations: 12

  • Analytical integrability and physical solutions of equation
    PK Karmakar, CB Dwivedi
    Journal of mathematical physics 47 (3), 032901 2006
    Citations: 12

  • Nonlinear waves in bipolar complex viscous astroclouds
    PK Karmakar, A Haloi
    Astrophysics and Space Science 362 (DOI 10.1007/s10509-017-3067-2), 94 (1-13) 2017
    Citations: 11

  • Global gravito-electrostatic fluctuations in self-gravitating spherical non-uniform charged dust clouds
    PK Karmakar, B Borah
    Astrophysics and Space Science 361 (4), 115 2016
    Citations: 11

  • Application of inertia-induced excitation theory for nonlinear acoustic modes in colloidal plasma equilibrium flow
    PK Karmakar
    Pramana 68, 631-648 2007
    Citations: 11

  • Pulsational instability of complex charge-fluctuating magnetized turbulent astroclouds
    PK Karmakar, A Haloi
    Astrophysics and Space Science 362 (10.1007/s10509-017-3136-6), 152(1-9) 2017
    Citations: 10