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So Takei, Assistant Professor

Theory of nonequilibrium quantum many-body systems, Spintronics theory

Contact:
tskaieq@.cucyne.ud
(718) 997-3379, SB B220
Education:
B.Sc. (2002) The University of British Columbia
Ph.D. (2008) The University of Toronto
Teaching:
PH 121.4 - General Physics 1
PH 122.4 - General Physics 2


Publications

  1. S. Takei, Y. Tserkovnyak and M. Mohseni, Spin superfluid Josephson quantum devices, Phys. Rev. B 95, 144402 (2017).
  2. S. Takei, A. Yacoby, B. I. Halperin and Y. Tserkovnyak, Spin superflulidity through ν = 0 quantum Hall state of graphene, Phys. Rev. Lett. 116, 216801 (2016).
  3. S. K. Kim, S. Takei and Y. Tserkovnyak, Thermally activated phase slips in superfluid spin transport in magnetic wires, Phys. Rev. B 93, 020402(R) (2015).
  4. S. K. Kim, S. Takei and Y. Tserkovnyak, Topological spin transport by Brownian diffusion of domain walls, Phys. Rev. B 92, 220409(R) (2015).
  5. S. Takei and Y. Tserkovnyak, Nonlocal magnetoresistance mediated by spin superfluidity, Phys. Rev. Lett. 115, 156604 (2015).
  6. S. Takei, T. Moriyama, T. Ono and Y. Tserkovnyak, Antiferromagnet-mediated spin transfer between a metal and a ferromagnet, Phys. Rev. B 92, 020409(R) (2015).
  7. T. Moriyama, S. Takei, M. Nagata, Y. Yoshimura, N. Matsuzaki, T. Terashima, Y. Tserkovnyak, T. Ono, Anti-damping spin transfer torque through epitaxial Nickel oxide, Appl. Phys. Lett. 106, 162406 (2015).
  8. S. Takei, B. Rosenow, and A. Stern, Noise due to neutral modes in the ν=2/3 fractional quantum Hall state, Phys. Rev. B 91, 241104(R) (2015).
  9. S. Takei, B. I. Halperin, A. Yacoby and Y. Tserkovnyak, Superflulid spin transport through antiferromagnetic insulators, Phys. Rev. B 90, 094408 (2014).
  10. Y. Fan, P. Upadhyaya, X. Kou, M. Lang, S. Takei, Z. Wang, J. Tang, L. He, L.-T. Chang, M. Montazeri, G. Yu, W. Jiang, T. Nie, R. N. Schwartz, Y. Tserkovnyak, and K. L. Wang, Magnetization switching via giant spin-orbit torque in a magnetically doped topological insulator heterostructure, Nature Mater. 13, 699 (2014).
  11. G. Yu, P. Upadhyaya, Y. Fan, J. G Alzate, W. Jiang, K. L. Wong, S. Takei, S. A. Bender, M. Lang, J. Tang, Y. Tserkovnyak, P. Khalili Amiri and K. L. Wang, Switching of perpendicular magnetization by spin-orbit torque in the absence of external magnetic fields, Nature Nano. 9, 548 (2014).
  12. S. Takei and Y. Tserkovnyak, Superflulid spin transport through easy-plane ferromagnetic insulators, Phys. Rev. Lett. 112, 227201 (2014).
  13. G. R. Boyd, S. Takei, and V. Galitski, Nonequilibrium probe of paired electron pockets in the underdoped cuprates, Solid State Comm. 189, 63 (2014).
  14. S. Takei, B. M. Fregoso, H.-Y. Hui, A. M. Lobos, and S. Das Sarma, The soft superconducting gap in semiconductor Majorana nanowires, Phys. Rev. Lett. 110, 186803 (2013).
  15. S. Takei, B. M. Fregoso, V. Galitski and S. Das Sarma, Topological superconductivity and Majorana fermions in hybrid structures involving cuprate high-Tc superconductors, Phys. Rev. B 87, 014504 (2013).
  16. S. Takei and V. Galitski, Microscopic theory for a ferromagnetic-nanowire superconductor heterostructure: Transport, fluctuations and topological superconductivity, Phys. Rev. B, 86, 054521 (2012).
  17. S. Takei, V. M. Galitski, and K. D. Osborn, Squeezed noise due to two-level systems in superconducting resonator circuits, Phys. Rev. B 85, 104507 (2012).
  18. S. Takei, C.-H. Lin, B. M. Anderson, V. Galitski, Low-density molecular gas of tightly-bound Rashba-Dresselhaus fermions, Phys. Rev. A 85, 023626 (2012).
  19. S. Takei and B. Rosenow, Neutral mode heat transport and fractional quantum Hall shot noise, Phys. Rev. B 84, 235316 (2011).
  20. B. Obert, S. Takei, and W. Metzner, Anomalous criticality near semimetal-to-superfluid quantum phase transition in a two-dimensional Dirac cone model, Ann. Phys. (Berlin) 523, 621 (2011).
  21. S. Takei, M. Milletari, and B. Rosenow, Nonequilibrium electron spectroscopy of Luttinger liquids, Phys. Rev. B 82, 041306(R) (2010).
  22. S. Takei, W. Witczak-Krempa, and Y. B. Kim, Nonequilibrium quantum criticality in bilayer itinerant ferromagnets, Phys. Rev. B 81, 125430 (2010).
  23. P. Strack, S. Takei, and W. Metzner, Anomalous scaling of fermions and order parameter fluctuations at quantum criticality, Phys. Rev. B 81, 125103 (2010).
  24. S. Takei and Y. B. Kim, Nonequilibrium-induced metal-superconductor quantum phase transition in graphene, Phys. Rev. B, 78, 165401 (2008).
  25. S. Takei and Y. B. Kim, Theory of electron-phonon interaction in a nonequilibrium open electronic system, Phys. Rev. B, 76, 115304 (2007).
  26. A. Mitra, S. Takei, Y. B. Kim, and A. J. Millis, Quantum criticality in open electronic systems, Phys. Rev. Lett., 97, 236808 (2006).
  27. S. Takei, Y. B. Kim, and A. Mitra, Enhanced Fano factor in a molecular transistor coupled to phonons, Phys. Rev. B, 72, 075337 (2005).
  28. S. Takei, C.-H. Chung, and Y. B. Kim, Evolution of the single-hole spectral function across a quantum phase transition in the anisotropic-triangular-lattice antiferromagnet, Phys. Rev. B, 70, 104402 (2004).