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Avadh B. Saxena

CNLS Executive Committee Member
T-4/CNLS

Condensed Matter Physics, Statistical Physics, Nonlinear Phenomena

Avadh Saxena

Office: TA-3, Bldg. SM-524, Rm 102
Mail Stop: B-262
Phone: (505) 667-5227
Fax: (505) 665-4063

avadh@lanl.gov

Educational Background/Employment:
  • B.E.(Hons.) Electrical & Electronics Engineering, BITS, Pilani, India (1982)
  • M.Sc.(Hons.) Physics, BITS, Pilani, India (1982)
  • M.A. (Physics), Temple University, Philadelphia (1983)
  • Ph.D. (Physics), Temple University, Philadelphia (1986)
  • Postdoctoral Research:
    • Joint postdoc between Penn State University, University Park and Cornell University (1986-1989)
  • Employment:
    • Consultant/Visiting Scientist, Theoretical Division and CNLS, Los Alamos National Lab (1990-1992)
    • Technical Staff Member, T-11, LANL (1993-present)
    • Adjunct Professor: University of Barcelona, Spain (2002-present)
    • Adjunct Professor: University of Arizona, Tucson (2005-present)
    • Science Advisor: National Institute for Materials Science, Tsukuba, Japan (2007-present)
    • Group Leader, Physics of Condensed Matter and Complex Systems Group (T-4).

Research Interests:

  • Structural Phase Transformations: Mesoscopic (Ginzburg-Landau) modeling of multiferroic, martensitic and actinide materials using nonlinear elasticity. Symmetry, microstructure and response.
  • Nonlinear Excitations in Electronic Materials: Polarons, excitons, breathers, etc. in inorganic and organic semiconductors and their effect on optical, vibrational, transport and other peoperties. Spin phenomena (spintronics) and nanoscale physics.
  • Soft Condensed Matter: Phase separation and role of curvature on the deformation of membranes and vesicles. Thermodynamics of protein nucleation. Viscoelasticity and polymer morphology.
  • Interplay of Nonlinearity, Geometry & Topology: Exactly and quasi-exactly solvable models. Role of topology and curved geometry in materials.

Selected Recent Publications:

  1. A. Saxena et al., Origin of magnetic and magnetoelastic tweed-like precursor modulations in ferroic materials,, Phys.Rev. Lett. 92, 197203 (2004).
  2. F.X. Bronold, A. Saxena and D.L. Smith, Electron spin dynamics in semiconductors,, Solid State Phys. 58, 73 (2004), review article.
  3. R. Ahluwalia, T. Lookman, A. Saxena, and W. Cao, Piezoelectric response of engineered domains in ferroelectrics, Appl. Phys. Lett. 84 3450 (2004).
  4. J. Benoit, E. von Hauff and A. Saxena, Self-dual bending theory for vesicles, Nonlinearity 17, 57 (2004).
  5. P.G. Kevrekidis, A. Khare, and A. Saxena, Solitary wave interactions in dispersive equations using Manton's approach, Phys. Rev.  E 70, 057603 (2004).
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