• Faculty

    • Faculty Profile

    Dr Nimisha Raghuvanshi

    Assistant Professor
    Theoretical Condensed Matter Physics

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    Education
    Ph D Theoretical Condensed Matter Physics Indian Institute of Technology Kanpur, Kanpur
    M Sc Physics  Banaras Hindu University, Varanasi
    B Sc     
    Experience
    XXXX - Till Date Assistant Professor, Assam Energy Institute - a centre of RGIPT, Sivasagar
    August 2018 - October 2020 Post Doctoral Fellow, Centre for Advanced 2D  Materials, National University of Singapore, Singapore
    July 2017 - July 2018 Post Doctoral Fellow, Asia Pacific Center for  Theoretical Physics, Pohang, South Korea

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    Research Interests
    • Twisted Bilayer Graphene (TBG) and its correlated states
    • Magnetism in iron-based superconductors
    Research Projects

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    Conference Publications

    Twist angle as an efficient tool for tuning band gap in layered systems,   (Under review in Nature)

    Drumhead surface states and their signatures in quasiparticle scattering   interference, PRB 98, 075115 (2018)

    Orbital order, electronic structure and SDW (; 0) state in three orbital models for iron pnictides, arXiv:1510.02276

    Multi-orbital quantum antiferromagnetism in iron pnictides effective spin  couplings and quantum corrections to sublattice magnetization,

    Journal of Physics: Condensed Matter 28, 366002 (2016) 

    Magneto-orbital coupling in iron pnictides , Journal of Magnetism and Magnetic Materials 405, 264 (2016)

    Magnetic Excitations in iron pnictides, arXiv:1106.4421

    The role of Hund’s coupling in the stabilization of the (0;) ordered SDW state  within the minimal two-band model for iron pnictides, J. Phys.: Condensed Matter 23, 312201 (2011)

    Spin waves in the (0, pi) and (0, pi, pi) ordered SDW states of the t-t’ Hubbard  Model: application to doped iron pnictides, J. Phys.: Condensed Matter 22, 422202 (2010)

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    • Post-Doctoral Fellowship from Center for Advanced 2D Materials
    • Post-Doctoral Fellowship from Asia Pacific Center for Theoretical Physics
    • Research Fellowship from Council of Scientific & Industrial Research (CSIR)

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