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Alexander Punnoose

Alexander Punnoose

Physics

Marshak 426
Email:
Office Phone: (212) 650-6012

Biography:

Physics Interests:

Theoretical Condensed Matter Physics: Transport and Thermodynamic properties of low-dimensional correlated electronic systems with disorder

Recent Publications:

  • "Shining Light on BaFe1.85Co0.15As2: a non-phonon dominated, multi-gap s-wave superconductor,"
    J. J. Tu, J. Li, W. Liu, A. Punnoose, Y. Gong, Y. Ren, L. J. Li, G. H. Cao, Z. A. Xu, J. P. Carbotte, and C. C. Homes,
    Phys. Rev. B 82, 174509 (2010)

  • "Test of the scaling theory in two dimensions in the presence of valley splitting and intervalley scattering in Si-MOSFETs,"
    A. Punnoose, A. M. Finkel'stein, A. Mokashi, S. V. Kravchenko, Phys. Rev. B 82, 210308(R) (2010)

  • "Renormalization group study of a two-valley system with spin-splitting,"
    A. Punnoose, Phys. Rev. B 82, 115310 (2010)

  • Renormalization group study of intervalley scattering and valley splitting in a two-valley system,"
    A. Punnoose, Phys. Rev. B 81, 035306 (2010)

  • "Flow diagram of the metal-insulator transition in two dimensions,
    S. Anissimova, S. V. Kravchenko, A. Punnoose, A. M. Finkel'stein, and T. M. Klapwijk, Nature Physics 3, 707 (2007)
  • "Large Bychkov-Rashba spin-orbit coupling in high-mobility GaN/AlGaN heterostructures,
    S. Schmult, M. J. Manfra, A. Punnoose, A. M. Sergent, and K. W. Baldwin,   Phys. Rev. B 74, 033302 (2006)

  • "Magnetoconductivity in the presence of Bychkov-Rashba spin-orbit interactions,
    A. Punnoose, Appl. Phys. Lett. 88, 252113 (2006)

  • "Spin relaxation rate in the presence of electron-electron interaction,'' 
    A. Punnoose & A. M. Finkel'stein, Phys. Rev. Lett. 96, 057202 (2006)

  • "Metal-insulator transition in disordered two-dimensional electron systems,
    A. Punnoose & A. M. Finkel'stein, Science 310, 289 (2005)

  • "Dilute electron gas near the metal-insulator transition: Role of valleys in silicon inversion layers,
    A. Punnoose & A. M. Finkel'stein,  Phys. Rev. Lett. 88, 016802 (2002)

Departments:

Physics: