1997  Ph. D. in Physics Department of Physics and Astronomy, University of Toledo (USA)

1992  M. S. in Physics Department of Physics, Kiev State University (Ukraine)

• Employment:

  2009 – present T-4 Technical Staff Member, LANL, NM

  2006 – 2009 T-14/T-1 Technical Staff Member, LANL, NM

  2002 – 2006 Postdoctoral Research Associate CNLS/T-12, LANL, NM

  2000 – 2002 Postdoctoral Research Associate, University of Wisconsin – Madison, WI

  1997 – 2000 Postdoctoral Fellow, the University of Rochester, NY

Research Interests:

o   Ultrafast Carriers Dynamics in Nanostructured Semiconductors & Metals

o   Optical Properties of Nanostructures;  Nanoplasmonics

o   Ultrafast Nonlinear (Multidimensional) Spectroscopy

o   Nonadiabatic Quantum/Semiclassical Molecular Dynamics

Selected Recent Publications:

1.   K. V. Velizhanin and A. Piryatinski; Numerical analysis of carrier multiplication mechanisms in nanocrystal and bulk forms of PbSe and PbS, arXiv:1110.4135

2.   K. A. Velizhanin and A. Piryatinski; Numerical Study of Carrier Multiplication Pathways in Photoexcited Nanocrystal and Bulk Form of PbSe, Phys. Rev. Lett. 106 207401 (2011).

3.    K. A. Velizhanin and A. Piryatinski; Probing Interband Coulomb Interactions in Semiconductor Nanostructures with 2D Double-Quantum Coherence Spectroscopy, J. Phys. Chem. B 115 5372 (2011); Special Issue: Shaul Mukamel Festschrift.

4.   A. Piryatinski and K. A. Velizhanin; An exciton scattering model for carrier multiplication in nanocrystals: Theory, J. Chem. Phys.  133 084508 (2010).

5.   S. Goel, K. A. Velizhanin, A. Piryatinski, S. Tretiak, and S. A. Ivanov; DFT Study of Ligand Binding to Small Gold Clusters, J. Phys. Chem . Lett. 1 927 (2010).