Brief Description of my Research : Textures in Bilayer Quantum Hall Systems Combined Spin-Pseudospin In Quantum Hall Systems Nano rings ------------------------ Numerics : COLUMBUS NWChem GAMESS Nanonet OU Supercomputer: OSCER -------------------------

Bahman Roostaei My new homepage: http://www.utsa.edu/chem/roostaei.html ----------------------------------------------------------------------------- Postdoctoral Scholar, 08/2009-present Department of Chemistry, University of Texas at San antonio PhD , 12/2007 Department of Physics and Astronomy The University of Oklahoma BS , 06/1999 Department of Physics Sharif University of Technology , Tehran , Iran ------------------------------------------------------------------------------ Office : BSE 4.230 Phone : (210)458-5476 EMAIL : bahman.roostaei[AT] utsa [DOT] edu Research Interests : • Theoretical condensed matter physics: Novel phenomena observed in low dimensional electron systems at low temperatures such as Bilayer Quantum Hall Systems. • Computational Quantum Chemistry: Ab-initio methods to obtain orbital structure and energy of ground and excited states of organic (photochromic) and inorganic (specifically heavy diatomic molecules showing relativistic effects) using various numerical procedures. Selected Publications : Polarization Transitions in Quantum Ring Arrays, Bahman Roostaei and Kieran J. Mullen, A. T. Rezakhani, Phys. Rev. B 78, 075411 (2008) Pseudo spin vortex-antivortex states with interwoven spin textures in double layer quantum Hall systems, J. Bourassa, B. Roostaei, R. Cote, H. A. Fertig and K. Mullen, Phys. Rev. B. 74, 195320 (2006) [ Selected for the November 27, 2006 issue of Virtual Journal of Nanoscale Science & Technology.] Theory of activated transport in bilayer quantum Hall systems, Bahman Roostaei, Kieran Mullen, Herbert Fertig, Steven Simon, Phys. Rev. Lett. 101, 046804 (2008) Invited Talks : Department of Physics, Case Western Reserve University, Februrary 2008, Cleveland , OH Bilayer Quantum Hall Effect Department of Physics, University of Texas, May 2007, Austin , TX Spin-Pseudospin Excitations, Activation Energies and Dissipation in Quantum Hall Bilayer Systems at Total Filling Factor $\nu= 1$. University of Arkansas/ 2004, Fayetteville, AK Novel Phenomena in Nanostructure Ring Arrays. University of Oklahoma, Physics Department/ May 2005, Norman, OK Real Spin in Pseudospin Quasiparticles of Bilayer Quantum Hall systems.