Dr. Kovalev, who obtained a PhD in Physics from TU Delft in the Netherlands in 2006, is currently employed as an Assistant Professor in the Department of Physics and Astronomy at the University of Nebraska-Lincoln. 
Research Interests:
  • Spintronics and Spincaloritronics
  • Spin-Hall Effect
  • Magnetoelectronics
  • Spin-Transfer Torque
  • Anomalous Hall Effect
  • Magnetization dynamics
  • Nanoelectromechanical systems
  • Theory of spin-polaron in 2D antiferromagnets
  • Quantum Information Theory
Additional Information:

Recent Talks:

  • "Magnetomechanical Effects in Magnetic Clusters and Molecules," 55th Conference on Magnetism and Magnetic Materials, Atlanta/Georgia, USA (invited 11/2010)
  • "Berry phase of spin: from spin transfer mechanical and magnetization torques to the anomalous Hall effect," The City University of New York (1/2011)
  • "Macrospin Tunneling and Magnetopolaritons with Nanomechanical Interference," 7th  International Workshop on Magnetism and Superconductivity at the Nanoscale, Coma-Ruga, Spain (invited 7/2011) (see PDF)
  • "Spintronics phenomena in the classical and quantum worlds," Stony Brook University (2/2012) (see PDF)
  • "Improved quantum hypergraph product LDPC codes," APS March Meeting 2012 (3/2012) (see PDF)
  • "Thermomagnonic spin transfer and Peltier effects in insulating magnets," APS March Meeting 2012 (invited 3/2012) (see PDF)
  • "Quantum LDPC codes: hypergraph-product and related constructions,"  IEEE International Symposium on Information Theory (ISIT 2012) (see PDF)
  • "Fault tolerance of "bad" quantum low-density parity check codes," Perimeter Institute For Theoretical Physics (10/2012) (see VIDEO)
  • "Spin supercurrents and torquing with Majorana fermions," KITP UCSB (10/2013) (see LINK)

Selected Publications:

  • A. A. Kovalev, A. Brataas, and G. E. W. Bauer, "Spin transfer in diffusive ferromagnet-normal metal systems with spin-flip scattering", Phys. Rev. B 66, 224424 (2002)
  • A. A. Kovalev, G. E. W. Bauer and A. Brataas, "Current-driven ferromagnetic resonance, mechanical torques and rotary motion in magnetic nanostructures", Phys. Rev. B 75, 014430 (2007)
  • A. A. Kovalev, G. E. W. Bauer and A. Brataas, "Nano-mechanical magnetization reversal", Phys. Rev. Lett. 94, 167201 (2005)
  • A. A. Kovalev, K. Výborný, J. Sinova, "Hybrid skew scattering regime of the anomalous Hall effect in Rashba systems: unifying Keldysh, Boltzmann, and Kubo formalisms", Phys. Rev. B 78, 041305(R) (2008)
  • A. F. Barabanov, A. A. Kovalev, O. V. Urazaev, A. M. Belemouk, "Spin-polaron excitations in the two-dimensional Kondo lattice with spin frustration", Physics Letters A 265, 221 – 224, (2000)
  • A. A. Kovalev, "NANOMECHATRONICS: A new twist on a classic experiment", Nature Nanotechnology 3, 710 (2008) (see pdf)
  • A. A. Kovalev, Y. Tserkovnyak, K. Výborný, J. Sinova, "Transport theory for disordered multiple-band systems: Anomalous Hall effect and anisotropic magnetoresistance", Phys. Rev. B 79, 195129 (2009) (see pdf)
  • A. A. Kovalev and Y. Tserkovnyak, "Thermoelectric spin transfer in textured magnets", Phys. Rev. B 80, 100408(R) (2009) (see pdf)
  • A. A. Kovalev and Y. Tserkovnyak, “Magnetocaloritronic nanomachines”, Solid State Commun. (Special issue: Caloritronics) 150, 500 (2010) (see pdf)
  • A. A. Kovalev, J. Sinova and Y. Tserkovnyak, "Anomalous Hall Effect in Disordered Multiband Metals", Phys. Rev. Lett. 105, 036601 (2010) (see pdf)
  • A. A. Kovalev, L. X. Hayden, G. E. W. Bauer, Y. Tserkovnyak, "Macrospin Tunneling and Magnetopolaritons with Nanomechanical Interference", Phys. Rev. Lett. 106, 147203 (2011) (see pdf)