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
827

Scholar Citations

15

Scholar h-index

36

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • Effects of negative ions on equilibrium solar plasmas in the fabric of gravito-electrostatic sheath model
    P Sarma, PK Karmakar
    Scientific Reports 14 (1), 16087 2024

  • Pulsational mode stability in complex EiBI-gravitating polarized astroclouds with (r, q)-distributed electrons
    D Ray, PK Karmakar
    arXiv preprint arXiv:2406.18692 2024

  • Polytropic spherical astrocosmic fluid stability in the EiBI gravity with strong collective correlative effects
    A Hazarika, M Das, PK Karmakar
    Chinese Journal of Physics 89, 1431-1440 2024

  • Nonlinear dust-acoustic wave dynamics in nonthermal Saturnian E-ring with negative ion moderation
    T Bezbaruah, PK Karmakar
    Chinese Journal of Physics 89, 1611-1623 2024

  • Bifurcation analysis of electron-acoustic waves in electron beam-plasma with suprathermal electrons
    A Atteya, A Saha, PK Karmakar, EM El-Bayoumi
    Waves in Random and Complex Media, 1-17 2024

  • Solar GES-structure modified with EiBI gravity
    S Das, PK Karmakar
    Chinese Journal of Physics 2024

  • Magnetoacoustic waves in spin-1/2 dense quantum degenerate plasma: nonlinear dynamics and dissipative effects
    M Abd-Elzaher, KS Nisar, AH Abdel-Aty, PK Karmakar, A Atteya
    Zeitschrift fr Naturforschung A 2024

  • Athermal pulsational mode dynamics with negative ions
    PK Karmakar, J Dutta
    Chinese Journal of Physics 2024

  • Collision dynamics of magnetoacoustic waves in a spin-1/2 dense quantum degenerate plasma: Analysis of overtaking interactions
    SY El-Monier, EM El-Bayoumi, PK Karmakar, A Atteya
    Chinese Journal of Physics 88, 810-826 2024

  • Dynamics of pulsational mode in the EiBI gravity fabric
    M Das, PK Karmakar
    Chinese Journal of Physics 87, 232-245 2024

  • Nonlinear pulsational mode dynamics in strongly correlated dust molecular clouds
    K Devi, A Nag, J Paul, U Sarma, PK Karmakar
    Journal of Taibah University for Science 17 (1), 2202605 2023

  • Gravitational Instability in Polytropic Astrofluid in EiBI gravity framework
    A Hazarika, M Das, PK Karmakar
     2023

  • A theoretical study of heavy nucleus-acoustic waves in white dwarf core environments
    S Dasgupta, PK Karmakar
    Pramana 97 (4), 148 2023

  • Acoustic Modes In Astrophysical Quantum Plasmas
    PK Karmakar
    National Symposium on Gaseous Discharges (NSGD - 2023), Pondicherry 2023

  • A theoretic analysis of magnetoactive GES-based turbulent solar plasma instability
    S Das, A Atteya, PK Karmakar
    Monthly Notices of the Royal Astronomical Society 523 (4), 5635-5660 2023

  • Nonlinear Jeans-Buneman instability in gravitating complex plasmas
    T Bezbaruah, PK Karmakar
    Waves in Random and Complex Media, 1-22 2023

  • Modal stability of low-frequency nucleus-acoustic waves in completely degenerate white dwarf cores and their nearly degenerate surroundings
    S Dasgupta, A Atteya, PK Karmakar
    Chinese Journal of Physics 83, 539-557 2023

  • Acoustic stability of a self-gravitating cylinder leading to astrostructure formation
    S Dasgupta, A Atteya, PK Karmakar
    Scientific Reports 13 (1), 7163 2023

  • Energy and Instability of Ion-Acoustic Solitary Waves in Inhomogeneous Magnetized Plasmas
    SY El-Monier, PK Karmakar, A Atteya
     2023

  • Propagation of nucleus-acoustic waves in the cores of ONeMg white dwarfs
    S Dasgupta, PK Karmakar
    Frontiers In Physical Sciences 1, 60-72 2023

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: 48

  • 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: 29

  • 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

  • Nucleus-acoustic waves: Excitation, propagation, and stability
    PK Karmakar, P Das
    Physics of Plasmas 25 (8) 2018
    Citations: 23

  • 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: 23

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

  • 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: 21

  • Nonlinear stability of pulsational mode of gravitational collapse in self-gravitating hydrostatically bounded dust molecular cloud
    PK Karmakar
    Pramana 76, 945-956 2011
    Citations: 21

  • 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: 19

  • Viscoelastic pulsational mode
    P Dutta, PK Karmakar
    Astrophysics and Space Science 362 (10.1007/s10509-017-3120-1), 141 (1-12) 2017
    Citations: 19

  • 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: 19

  • Pulsational mode fluctuations and their basic conservation laws
    B Borah, PK Karmakar
    Advances in Space Research 55, 416-427 2015
    Citations: 19

  • 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: 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: 15

  • Analyzing the instability dynamics of spherical complex astroclouds in a magnetized meanfluidic fabric
    D Kalita, PK Karmakar
    Physics of Plasmas 27 (2) 2020
    Citations: 14

  • Nonlinear gravito-electrostatic waves in self-gravitating complex plasma in presence of ion-drag effects
    A Haloi, PK Karmakar
    Astrophysics and Space Science 358, 41(1)-41(9) 2015
    Citations: 14

  • The Jeans instability in viscoelastic spherical astrophysical fluid media
    S Dasgupta, PK Karmakar
    Astrophysics and Space Science 364, 1-7 2019
    Citations: 13

  • 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: 13

  • New nonlinear eigenmodes of a self-gravitating spherical charged dust molecular cloud
    PK Karmakar, B Borah
    Physica Scripta 86 (2), 025503 2012
    Citations: 13