77 Massachusetts Avenue, 13-2114
Cambridge, MA 02139, U.S.A.

Prof. Nuh Gedik: 617.253.3420
Students: 617.452.2115
Fax: 617.258.6883

Publications

    2014

  1. "Evidence of a spin liquid behavior and confinement-deconfinement transition in Na2IrO3 " Zhanybek Alpichshev, Fahad Mahmood, Gang Cao, Nuh Gedik, to appear in Phys. Rev. Lett. (2014) (arXiv:1405.1793)

  2. "Valley-selective optical Stark effect in monolayer WS2" Edbert J. Sie, James W. McIver, Yi-Hsien Lee, Liang Fu, Jing Kong, Nuh Gedik, Nature Materials (2014) (pdf) (featured in MIT News and IEEE Spectrum)

  3. "Electrostatic Coupling between Two Surfaces of a Topological Insulator Nanodevice" Valla Fatemi, Benjamin Hunt, Hadar Steinberg, Stephen L. Eltinge, Fahad Mahmood, Nicholas P. Butch, Kenji Watanabe, Takashi Taniguchi, Nuh Gedik, Raymond C. Ashoori, and Pablo Jarillo-Herrero, Phys. Rev. Lett. 113, 206801 (2014) (pdf)

  4. "Trion induced negative photoconductivity in monolayer MoS2" C. H. Lui, A. J. Frenzel, D. V. Pilon, Y.-H. Lee, X. Ling, G. M. Akselrod, J. Kong, N. Gedik, Phys. Rev. Lett. 113, 166801 (2014) (pdf) (featured in MIT News)

  5. "Semiconducting-to-metallic photoconductivity crossover and temperature-dependent Drude weight in graphene" A. J. Frenzel, C. H. Lui, Y. C. Shin, J. Kong, N. Gedik Phys. Rev. Lett. 113 , 056602 (2014) (pdf) (featured in MIT News)

  6. 2013

  7. "Driven electronic states at the surface of a topological insulator" Benjamin M. Fregoso, Y. H. Wang, N. Gedik, and Victor Galitski Phys. Rev. B 88, 155129 (2013) (pdf)

  8. "Observation of Floquet-Bloch States on the Surface of a Topological Insulator" Y.H. Wang, H. Steinberg, P. Jarillo-Herrero and N. Gedik Science 342, 453 (2013) (pdf) (featured in MIT News)

  9. "Spin Induced Optical Conductivity in the Spin Liquid Candidate Herbertsmithite" Daniel V. Pilon, Chun Hung Lui, Tianheng Han, David B. Shrekenhamer, Alex J. Frenzel, William J. Padilla, Young S. Lee and Nuh Gedik Phys. Rev. Lett. 111, 127401 (2013) (pdf) (featured in MIT News)

  10. "Observation of suppressed terahertz absorption in photoexcited graphene" A.J. Frenzel, C.H. Lui, W. Fang, N.L. Nair, P.K. Herring, P. Jarillo-Herrero, J. Kong, and N. Gedik Applied Physics Letters 102, 113111 (2013) (pdf)

  11. "Fluctuating Charge Density Waves in a Cuprate Superconductor" Darius H. Torchinsky*, Fahad Mahmood*, Anthony T. Bollinger, Ivan Božovic, and Nuh Gedik Nature Materials 12, 387-391 (2013) (pdf) (featured in MIT News)

  12. "Circular dichroism in angle-resolved photoemission spectroscopy of topological insulators" Yihua Wang and Nuh Gedik Phys. Status Solidi RRL 7 , No. 1?, 64?1 (2013) (pdf)

  13. 2012

  14. "Measurement of intrinsic Dirac fermion cooling on the surface of a topological insulator Bi2Se3 using time- and angle-resolved photoemission spectroscopy" Y. H. Wang, D. Hsieh, E. J. Sie, H. Steinberg, D. R. Gardner, Y. S. Lee, P. Jarillo-Herrero, and N. Gedik Phys. Rev. Lett. 109, 127401 (2012) (pdf) (featured in MIT News) (highlighted in Physics )

  15. "Theoretical and Experimental Study of Second Harmonic Generation from the Surface of the Topological Insulator Bi2Se3" J. W. McIver, D. Hsieh, S.G. Drapcho, D.H. Torchinksy, D.R. Gardner, Y.S. Lee, and N. Gedik Phys. Rev. B 86, 035327 (2012) (pdf)

  16. "Observation of a Slater-Type Metal-to-Insulator Transition in Sr2IrO4 from Time-Resolved Photo-Carrier Dynamics" D. Hsieh, F. Mahmood, D. H. Torchinsky, G. Cao and N. Gedik Phys. Rev. B 86, 035128 (2012) (pdf)

  17. "Control Over Topological Insulator Photocurrents with Light Polarization" J. W. McIver*, D. Hsieh*, H. Steinberg, P. Jarillo-Herrero and N. Gedik Nature Nanotechnology 7, 96–100 (2012) (pdf) (News and Views) (highlighted in Nature Photonics) (featured in MIT news)

  18. 2011

  19. "Observation of a Warped Helical Spin Texture in Bi2Se3 from Circular Dichroism Angle-Resolved Photoemission Spectroscopy" Y. H. Wang, D. Hsieh, D. Pilon, L. Fu, D. R. Gardner, Y. S. Lee and N. Gedik, Phys. Rev. Lett. 107, 207602 (2011) (pdf) (featured in MIT news)

  20. "Nonequilibrium Quasiparticle Relaxation Dynamics in Single Crystals of Hole and Electron doped BaFe2As2" Darius H Torchinsky, James W. McIver, David Hsieh, G.F. Chen, J.L. Luo, N. L. Wang and Nuh Gedik, Phys. Rev. B 84, 104518 (2011) (pdf)

  21. "Selective Probing of Photoinduced Charge and Spin Dynamics in the Bulk and Surface of a Topological Insulator" D. Hsieh, F. Mahmood, J. W. McIver, D. R. Gardner, Y. S. Lee, and N. Gedik, Phys. Rev. Lett. 107, 077401 (2011) (pdf)

  22. "Electron Pulse Compression With a Practical Reflectron Design for Ultrafast Electron Diffraction" Y. H. Wang, and N. Gedik, IEEE Journal of Selected Topics in Quantum Electronics 99, 1-9 (2011) (pdf) (invited paper)

  23. "Nonlinear optical probe of tunable surface electrons on a topological insulator" D. Hsieh*, J. W. Mc Iver*, D. H. Torchinsky, D. R. Gardner, Y. S. Lee, and N. Gedik, Phys. Rev. Lett. 106, 057401 (2011) (pdf)

  24. "Band-dependent quasiparticle dynamics in the hole-doped Ba-122 iron pnictides" Darius H. Torchinsky, James W. McIver, David Hsieh, G.F. Chen, J.L. Luo, N.L. Wang and Nuh Gedik, Journal of Physics and Chemistry of Solids 72, 519-522 (2011) (pdf)

  25. 2010

  26. "Band-dependent quasiparticle dynamics in single crystals of Ba0.6K0.4Fe2As2 revealed by pump-probe spectroscopy" Darius H Torchinsky, G.F. Chen, J.L. Luo, N. L. Wang, and Nuh Gedik, Phys. Rev. Lett. 105, 027005 (2010) (pdf). (Highlighted in Nature Materials)

  27. "Real-Time Observation of Cuprates Structural Dynamics by Ultrafast Electron Crystallography" F. Carbone, N. Gedik, J. Lorenzana, and A. H. Zewail, Advances in Condensed Matter Physics 2010 , Article ID 958618 (2010) (pdf)

  28. 2009 and earlier

  29. "Non-equilibrium phase transitions in cuprates observed by ultrafast electron crystallography" N. Gedik, Ding-Shyue Yang, Gennady Logvenov, Ivan Bozovic, and Ahmed H. Zewail Science 316, 425 (2007) (pdf).

  30. "Ultrafast Electron Crystallography: I. Non-equilibrium Dynamics of Nanometer-scale Structures" Ding-Shyue Yang, N. Gedik and Ahmed H. Zewail, J. Phys. Chem. C 111, 4889 (2007) (pdf). (cover story)

  31. "Observation of spin Coulomb drag in a two-dimensional electron gas" C. P. Weber, N. Gedik, J. E. Moore, J. Orenstein, J. Stephens, and D. D. Awschalom, Nature 437, 1330-1333 (2005) (pdf) (News and Views)

  32. "Abrupt transition in quasiparticle dynamics at optimal doping in a cuprate superconductor system" N. Gedik, M. Langner, J. Orenstein, S. Ono, Yasushi Obe, and Yoichi Ando, Phys. Rev. Lett. 95, 117005 (2005) (pdf)

  33. "Transient gratings formed by nonequilibrium quasiparticles in YBCO", N. Gedik, J. Orenstein, Ruixing Liang, D.A. Bonn, and W.N. Hardy, Journal of Superconductivity 17 , No. 1 117-120, (2004). (pdf)

  34. "Non-equilibrium quasiparticle dynamics in single crystals of YBCO Ortho II." N. Gedik, J. Orenstein, Ruixing Liang, D.A. Bonn, and W.N. Hardy, Physica C 408-410, 690 (2004) (pdf)

  35. "Absolute phase measurement in heterodyne detection of transient gratings" N. Gedik, J. Orenstein, Optics Letters 29, 2109 (2004) (pdf)

  36. "Single-quasiparticle stability and quasiparticle-pair decay in YBa2Cu3O6.5", N. Gedik, P. Blake, R.C. Spitzer, J. Orenstein, D.A. Bonn, Ruixing Liang, and W.N. Hardy, Phys. Rev. B 70, 014504 (2004) (pdf)

  37. "Reply to Comments on 'Photoinduced changes of reflectivity in single crystals of YBa2Cu3O6.5 (Ortho II)' " N. Gedik, J. Orenstein, D.A. Bonn, Ruixing Liang, W.N. Hardy, Phys. Rev. Lett. 91, 169701 (2003) (pdf)

  38. "Diffusion of nonequilibrium quasi-particles in a cuprate superconductor", N. Gedik, J. Orenstein, Ruixing, Liang, D.A. Bonn, and W.N. Hardy, Science 300, 1410 (2003). (pdf) (Perspective) (LBL Science Beat)

  39. "Photoinduced changes of reflectivity in single crystals of YBa2Cu3O6.5" G.P. Segre, N. Gedik, J. Orenstein, D.A. Bonn, Ruixing Liang, W.N. Hardy, Phys. Rev. Lett. 88, 137001 (2002). (pdf)