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Correlated Electrons/Emergent Phenomena/Many-Body Physics
 
 

Research on correlated electrons/emergent phenomena is supported by DOE and Gordon and Betty Moore Foundation..


 
 

52. Two distinct topological phases in the mixed-valence compound YbB6 and its differences from SmB6.
T.-R. Chang, T. Das, P.-J. Chen, et al.;

Phys. Rev. B 91, 155151 (2015).

51. Surface states in lightly hole-doped sodium cobaltate Na1-yCoO2.
M.-Y. Yao, L. Miao, N. L. Wang, et al.;

Phys. Rev. B 91, 161411(R) (2015).

50. Non-Kondo-like Electronic Structure in the Correlated Rare-Earth Hexaboride YbB6.
M. Neupane, S.-Y. Xu, N. Alidoust, et al.,

Phys. Rev. Lett. 114, 016403 (2015).

49. Fermi-level electronic structure of a topological insulator cuprate-superconductor based heterostructure in the superconducting proximity effect regime.
S.-Y. Xu, C. Liu, A. Richardella, et al.;

Phys. Rev. B 90, 085128 (2014).

48. Spin-correlated electronic state on the surface of a spin-orbit Mott system.
C. Liu, S.-Y. Xu, N. Alidoust, et al.;

Phys. Rev. B 90, 045127 (2014).

47. Surface electronic structure of the topological Kondo-insulator candidate correlated electron system SmB6.
M. Neupane, N. Alidoust, S.-Y. Xu, et al.;

Nature Commun. 4, 2991 (2013).

46. Interplay between ferromagnetism, surface states, and quantum corrections in a magnetically doped topological insulator.
D. Zhang, A. Richardella, D. W. Rench, et al.;

Phys, Rev. B 86, 205127 (2012).

45. Deviating band symmetries and many-body interactions in a model hole-doped iron pnictide superconductor.
L.A. Wray, R. Thomale, C. Platt, et al.;

Phys. Rev. B 86, 144515 (2012).

44. Hedgehog spin texture and Berry's phase tuning in a magnetic topological insulator.
S.-Y. Xu, M. Neupane, C. Liu, et al.;

Nature Phys. 8, 616 (2012).

43. Bulk intergrowth of a topological insulator with a room-temperature ferromagnet.
H. Ji, J.M. Allred, N. Ni, et al.

Phys. Rev. B 85, 165313 (2012).

42. Fermi-surface topology and low-lying electronic structure of the iron-based superconductor Ca10(Pt3As8)(Fe2As2)5.
M. Neupane, C. Liu, S.-Y. Xu, et al.;

Phys. Rev. B 85, 094510 (2012).

41. Coexisting pseudogap, charge-transfer-gap, and Mott-gap energy scales in the resonant inelastic x-ray scattering spectra of electron-doped cuprate superconductors.
S. Basak, T. Das, H. Lin, et al.;

Phys. Rev. B 85, 075104 (2012).

40. Spin-orbital ground states of superconducting doped topological insulators: A Majorana platform.
L. A. Wray, S.-Y Xu, Y. Xia, et al.;

Phys. Rev. B 83, 224516 (2011).

39. Topological electronic structure in half-Heusler topological insulators.
W. A.-Sawai, H. Lin, R.S. Markiewicz, et al.;

Phys. Rev. B 82, 125208 (2010).

38. Low Energy Electronic Structures in Electron-Doped and Hole-Doped Superconducting (Ba/K)(Fe/Co)2As2.
D. Qian, Y. Xia, L. Wray, et al.;

J. Supercond. Nov. Magn. 23, 617 (2010).

37. Half-Heusler ternary compounds as new multifunctional experimental platforms for topological quantum phenomena.
H. Lin, L. A. Wray, Y. Xia, et al.;

Nature Mater. 9, 546 49 (2010).

36. Development of ferromagnetism in the doped topological insulator Bi2- xMnxTe3.
Y.S. Hor, P. Roushan, H. Beidenkopf, et al.;

Phys. Rev. B 81, 195203 (2010).

35. Fermi surface topology and low-lying quasiparticle dynamics of parent Fe1+xTe/Se superconductor.
Y. Xia, D. Qian, L. Wray, et al.;

Phys. Rev. Lett. 103, 037002 (2009).

34. Intermediate dimensional character of charge transfer excitation modes in a two-leg cuprate ladder.
L. Wray, D. Qian, D. Hsieh, et al.;

Journal of Physics and Chemistry of Solids 69, 3146 (2008).

33. Magnetic excitations in triangular lattice NaCrO2.
D. Hsieh, D. Qian, R.F. Berger, et al.;

Journal of Physics and Chemistry of Solids 69, 3174 (2008).

32. The observation of gapped quasiparticles near the metal-insulator transition in NaxCoO2.
Y. Xia, D. Qian, D. Hsieh, et al.;

Journal of Physics and Chemistry of Solids 69 (12), 2986 (2009).

31. Momentum dependence of superconducting gap, strong-coupling dispersion kink, and tightly bound Cooper pairs in the high-Tc (Sr,Ba)1-x(K,Na)xFe2As2 superconductors.
L. Wray, D. Qian, D. Hsieh, et al.;

Phys. Rev. B 78, 184508 (2008).

30. X-ray imaging of dispersive charge modes in a doped Mott insulator near the antiferromagnet/superconductor transition.
Y.W. Li, D. Qian, L. Wray, et al.;

Phys. Rev. B 78, 073104 (2008).

29. Dispersive collective charge modes in a spin 1/2 cuprate ladder.
L. Wray, D. Qian, D. Hsieh, et al.;

Physica B 403, 1456 458 (2008).

28. Observation of gapped quasiparticles in sodium charge-ordered Na1/2CoO2.
Y. Xia, D. Qian, D. Hsieh, et al.;

Physica B 403, 1007 009 (2008).

27. Evolution of low-lying states in a doped CDW superconductor CuxTiSe2.
D. Qian, D. Hsieh, L. Wray, et al.;

Physica B 403, 1002 004 (2008).

26. Unconventional spin order in the triangular lattice system NaCrO2: A neutron scattering study.
D. Hsieh, D. Qian, R.F. Berger, et al.;

Physica B 403, 1341 343 (2008).

25. Acoustic plasmons and doping evolution of Mott physics in resonant inelastic x-ray scattering from cuprate superconductors.
R.S. Markiewicz, M.Z. Hasan, A. Bansil, et al.;

Phys. Rev. B 77, 094518 (2008).

24. Anomalous Metallic State of Cu0.07TiSe2: An Optical Spectroscopy Study.
G. Li, W.Z. Hu, J. Dong, et al.;

Phys. Rev. Lett. 99, 167002 (2007).

23. Dispersive collective charge modes in an incommensurately modulated cuprate Mott insulator.
L. Wray, D. Qian, D. Hsieh, et al.;

Phys. Rev. B 76, 100507(R) (2007).

22. Collective charge modes in quasi-1D Mott insulator SrCuO2.
L. Wray, D. Qian, Y.W. Li, et al.;

Physica C 460, 460 61 (2007).

21. Low-energy excitations and Fermi surface topology of parent cobaltate superconductor.
M.Z. Hasan, D. Qian, M. Foo, et al.;

Physica C 460, 186 189 (2007).

20. Emergence of Fermi Pockets in a New Excitonic Charge-Density-Wave Melted Superconductor.
D. Qian, D. Hsieh, L. Wray, et al.;

Phys. Rev. Lett. 98, 117007 (2007).

19. Semimetal-to-Semimetal Charge Density Wave Transition in 1T-TiSe2.
G. Li, W. Z. Hu, D. Qian, et al.;

Phys. Rev. Lett. 99, 027404 (2007).

18. Low-lying quasiparticle modes and hidden collective charge instabilities in parent cobaltates superconductors NaxCoO2.
D. Qian, D. Hsieh, L. Wray, et al.;

Phys. Rev. Lett. 96, 216405 (2006).

17. Complete d-Band dispersion relation and small Fermion scale in NaxCoO2.
D. Qian, L. Wray, D. Hsieh, et al.;

Phys. Rev. Lett. 97, 186405 (2006).

16. Quasiparticle's quantum coherence and dynamics in the vicinity of metal-insulator phase transition in NaxCoO2.
D. Qian, L. Wray, D. Hsieh, et al.;

Phys. Rev. Lett. 96, 046407 (2006).

15. Quasiparticle Dynamics in the Vicinity of Metal-Insulator Phase Transition in NaxCoO2.
D. Qian, L. Wray, D. Hsieh, et al.;

Phys. Rev. Lett. 96, 046407 (2006).

14. Low-lying electronic structure of triangular cobaltite.
A. P. Kuprin, M. Z. Hasan, Y. D. Chuang, et al.;

Journal of Physics and Chemistry of Solids 67 (1), 235 (2006).

13. Are cobaltates conventional An ARPES viewpoint.
M. Z. Hasan, D. Qian, M. L. Foo, and R. J. Cava;

Annals of Physics 321 (7), 1568 (2006).

12. Momentum-structure of remnant Mott-gap in prototype hole doped cuprates.
Y. Li, M. Z. Hasan, H. Eisaki, and S. Uchida;

Journal of Physics and Chemistry of Solids 66 (12), 2207 (2005).

11. Dispersion relation of charge gap excitations in quasi-1D Mott insulators studied by resonant X-ray scattering.
D. Qian, Y. Li, M. Z. Hasan et al.;

Journal of Physics and Chemistry of Solids 66 (12), 2212 (2005).

10. Fermi surface topology and quasiparticle dynamics of host NaxCoO2 investigated by ARPES.
M. Z. Hasan, Y.-D. Chuang, D. Qian, et al.;

Phys. Rev. Lett. 92, 246402 (2004).

9. Correlated Charge Excitations in Quasi-Low-Dimensional Mott Insulators.
M. Z. Hasan, Y.-D. Chuang, Y. Li, et al.;

International Journal of Modern Physics B 17, 3519 (2003).

8. Particle-Hole Pair Excitations in a Quasi-Zero-Dimensional Mott Insulator.
M. Z. Hasan, Y.-D. Chuang, Y. Li, et al.;

International Journal of Modern Physics B 17, 3513 (2003).

7. Direct Spectroscopic Evidence of Holons in a Quantum Antiferromagnetic Spin-1/2 Chain.
M. Z. Hasan, Y.-D. Chuang, Y. Li, et al.;

International Journal of Modern Physics B 17, 3479 (2003).

6. Momentum-resolved Charge Modes (Holons) in a Prototype 1-D Mott Insulator Studied by Inelastic Resonant X-ray Scattering.
M. Z. Hasan, P. A. Montano, E. D. Isaacs, et al.;

Phys. Rev. Lett. 88, 177403 (2002).

5. Charge excitations in a quantum antiferromagnet.
M. Z. Hasan, E. D. Isaacs, Z. X. Shen, and L. L. Miller;

Physica C: Superconductivity 364, 618 (2001).

4. Inelastic X-ray scattering as a novel tool to study electronic excitations in complex insulators.
M. Z. Hasan, E. D. Isaacs, Z. X. Shen, and L. L. Miller;

Journal of Electron Spectroscopy and Related Phenomena 114, 705 (2001).

3. Momentum-resolved resonant inelastic X-ray scattering as a novel tool to study electronic structure of complex insulators.
M.Z. Hasan, E.D. Isaacs, and Z.X. Shen;

Physica C 364, 265 (2001).


2. Electronic Structure of Mott Insulators Studied by Inelastic (Resonant Inelastic) X-ray Scattering.
M. Z. Hasan, E. D. Isaacs, Z. X. Shen, et al.;

Science 288, 1811 (2000).

1. Particle-hole excitations in insulating antiferromagnet Ca2CuO2Cl2.
M. Z. Hasan, E. D. Isaacs, Z. X. Shen, et al.

Physica C: Superconductivity 341, 781 (2000).