DEPARTMENT OF PHYSICS

  • Department HOD

    Dr. Pralay Kumar Karmakar

    Associate Professor

    • Research area : PLASMA PHYSICS THEORETICAL PHYSICS ASTROPHYSICS [#Gravito-electrostatics Large-scale structure Fluctuation-stability Plasma sheath Plasma-boundary interaction Complex phenomena Coherent structure Instability and saturation and so forth]
    • Intercom : 5562
    • Phone : (03712) 275562
    • E-mail : pkk@tezu.ernet.in pkk.766@rediffmail.com pkk.766@live.com

    R-TeamPKK (Group Colleagues) 

     
    ACADEMIC BASE: 
    • M. Sc. (Physics):: Gauhati University
    • Ph. D. (Plasma Physics):: Gauhati University
    RECOGNITION:
    • National Merit Scholarship (in Matriculation)
    • Sachindra Memorial Award (for Best Graduate)
    • UGC-CSIR NET
    • CSIR GATE
    • Institutional JRF (by CPP-IPR)
    • Institutional SRF (by CPP-IPR) 
    • CSIR SRF, etc.
    TEACHING INTEREST:
    • Physics II (PI/PD-102)
    • Electromagnetism (PI/PD-205)
    • Waves and Acoustics (PI/PD-311)
    • Project Works I (PH-500)
    • Project Works II (PH-599)
    • Electromagnetic Theory (NS-507)
    • Research Methodology (PH-755)
    • Physics of Complex Plasmas (PH-757)
    • Plasma and Astrophysics (PH-541/PI-412), and so forth.
    LIFE MEMBERSHIP OF ACADEMIC BODY:
    • Plasma Science Society of India (PSSI LM ID: 424)
    • Assam Science Society (ASS LM ID: 107)
    • Departmental Advisory Committee (DAC)
    • Departmental Research Committee (DRC)
    • Fellow of International Science Congress Association (FISCA), LM ID: ISCA-FM-195 
    • Indian Physics Association (IPA LM ID: Gen/LM/12931)
    • Physics Academy of the North-East (PANE), LM ID: 277255, etc.
    SELECT PUBLICATIONS:
    • C. B. Dwivedi, P. K. Karmakar and S. C. Tripathy, “A gravito-electrostatic sheath model for surface origin of subsonic solar wind plasma”, Astrophysical Journal, vol.- 663 (2), pp. 1340-1353, 2007.
    • P. K. Karmakar, H. P. Goutam, M. Lal and C. B. Dwivedi, “Stability analysis of the gravito-electrostatic sheath-based solar plasma”, Monthly Notices of the Royal Astronomical Society, 2016 (in Press).
    • P. K. Karmakar and B. Borah, “Global gravito-electrostatic fluctuations in self-gravitating spherical non-uniform charged dust clouds”, Astrophysics and Space Science, vol. 361, pp. 115(1)-115(22), 2016.
    • B. Borah, A. Haloi and P. K. Karmakar, “A generalized hydrodynamic model for acoustic mode stability in viscoelastic plasma fluid”, Astrophysics and Space Science, vol. 361, pp. 165(1)-165(11), 2016.
    • B. Borah, A. Haloi and P. K. Karmakar, “Atypical gravito-electrostatic fluctuations in the presence of active ion-inertial dynamics”, Journal of Plasma Physics, vol. 82, pp. 905820206 (1-31), 2016.
    • H. P. Goutam and P. K. Karmakar, “Gravitoelectromagnetic sheath”, Astrophysics and Space Science, vol. 357, pp. 127(1)-127(15), 2015.
    • A. Haloi and P. K. Karmakar, “Nonlinear gravito-electrostatic waves in self-gravitating complex plasma in presence of ion-drag effects”, Astrophysics and Space Science, vol. 358, pp. 41(1)-41(9), 2015.
    • Hari Prasad Goutam and Pralay Kumar Karmakar, “Equilibrium structure of gravito-electrostatic sheath in the presence of inhomogeneous temperature distribution”, Europhysics Letters, vol. 112, pp. 39001(1)-39001(6), 2015.
    • M. Gohain and P. K. Karmakar, “A generalized two-fluid model of plasma sheath equilibrium structure”, Europhysics Letters, vol. 112, pp. 45002(1)-45002(6), 2015.
    • B. Borah and P. K. Karmakar, “A theoretical model for electromagnetic characterization of a spherical dust molecular cloud equilibrium structure”, arXiv: 1410.4656, New Astronomy, vol. 40, pp. 49-63, 2015.
    • P. K. Karmakar, U. Deka and C. B. Dwivedi, “Graphical analysis of electron inertia-induced acoustic instability”, Phys. Plasmas, vol.-12, pp. 032105(1)–032105 (9), 2005.
    • P. K. Karmakar and C. B. Dwivedi, “Analytical integrability and physical solutions of d-KdV equation”, J. Math. Phys., vol.- 47, pp. 032901(1)-032901(17), 2006.
    • P. K. Karmakar and B. Borah, “New nonlinear eigenmodes in self-gravitating spherical charged dust molecular cloud”, Physica Scripta, vol. 86, pp. 025503(1)-025503(11), 2012. 
    • P. K. Karmakar and B. Borah, “Nonlinear self-gravitational solar plasma fluctuations with electron inertia”, Contributions to Plasma Physics, vol. 53, no. 7, pp. 516-539, 2013.
    • P. K. Karmakar, M. Gohain and U. Deka, “Stability analysis of the polytropic solar wind”, Canadian Journal of Physics, vol. 92(11), pp. 1419-1424, 2014.
    • B. Borah and P. K. Karmakar, “Nonlinear waves in a self-gravitating charge-varying collisional dust molecular cloud in presence of diverse equilibrium inhomogeneities”, Physica Scripta, vol. 89, pp. 125602(1)-125602(26), 2014.
    • M. Gohain and P. K. Karmakar, “Gravito-electrostatic fluctuations in a polytropic charged dust cloud”, Physica Scripta, vol. 89, pp. 125604(1)-125604(12), 2014.
    • H. P. Goutam and P. K. Karmakar, “An inertia-based theoretical study of the Debye shielding in different plasma configurations”, Canadian Journal of Physics, vol. 92, no. 6, pp. 459-464, 2014.
    • B. Borah and P. K. Karmakar, “Pulsational mode fluctuations and their basic conservation laws”, Advances in Space Research, vol. 55, pp. 416-427, 2015.
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