Quantum criticality in electron-doped BaFe2-xNi xAs2

Nature Communications

Volumn 4, Issue , 2013, Pages

  Zhou, R ^a   Li, Z ^a   Yang, J ^a   Sun, D L ^b   Lin, C T ^b   Zheng, Guo Qing ^a,c  

^a INSTITUTE OF PHYSICS   (China)

^b MAX PLANCK INSTITUT FÜR FESTKÖRPERFORSCHUNG   (Germany)

^c OKAYAMA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

DIAGRAM; ELECTRICAL RESISTIVITY; ELECTRON; QUANTUM MECHANICS; TEMPERATURE EFFECT;

ARTICLE; ELECTRON; NUCLEAR MAGNETIC RESONANCE; PHASE TRANSITION; QUANTUM CRITICAL POINT; QUANTUM MECHANICS;

EID: 84883091886     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms3265     Document Type: Article

References (41)

1. 4. Science 323, 603-607 (2009).
2. Mathur, N. D. et al. Magnetically mediated superconductivity in heavy fermion compounds. Nature 394, 39-43 (1998). (Pubitemid 28321793)
3. Gegenwart, P., Si, Q. & Steglich, F. Quantum criticality in heavy-fermion metals. Nat. Phys 4, 186-197 (2008).
4. Coleman, P. & Schofield, A. J. Quantum criticality. Nature 433, 226-229 (2005).
5. c= 26 K. J. Am. Chem. Soc. 103, 3296-3297 (2008).
6. 2. Phys. Rev. Lett. 101, 107006 (2008).
7. x revealed by As-nuclear quadrupole resonance. Phys. Rev. Lett. 108, 047001 (2012).
8. Hertz, J. A. Quantum critical phenomena. Phys. Rev. B 14, 1165-1184 (1976).
9. Chakravarty, S., Halperin, B. I. & Nelson, D. R. Two-dimensional quantum Heisenberg antiferromagnet at low temperatures. Phys. Rev. B 39, 2344-2371 (1989).
10. 2 superconductors. Phys. Rev. B 81, 184519 (2010).
11. Moriya, T. Theory of itinerant electron magnetism. J. Mag. Mag. Mat 100, 261-271 (1991).
12. Xu, C, Muller, M. & Sachdev, S. Ising and spin orders in the iron-based superconductors. Phys. Rev. B 78, 020501 (2008).
13. 2 single crystals. N. J. Phys 11, 025008 (2009).
14. 2 crystals. Phys. Rev. Lett. 101, 117004 (2008).
15. 2. Phys. Rev. Lett 108, 247002 (2012).
16. 2 as seen via As NMR. Phys. Rev. B 82, 140411 (2010).
17. 75As-NMR studies on a self-flux grown single crystal. J. Phys. Soc. Jpn 77, 114709 (2008).
18. 2. Phys. Rev. B 86, 180501 (2012).
19. 2. Phys. Rev. Lett. 104, 037001 (2010).
20. Korringa, J. Nuclear magnetic relaxation and resonnance line shift in metals. Physica 16, 601-610 (1950).
21. Ikeda, H. Pseudogap and superconductivity in iron-based layered superconductor studied by fluctuation-exchange approximation. J. Phys. Soc. Jpn 77, 123707 (2008).
22. 75As nuclear quadrupole resonance. Phys. Rev. B 81, 140509 (2010).
23. Hlubina, R. & Rice, T. M. Resistivity as a function of temperature for models with hot spots on the Fermi surface. Phys. Rev. B 51, 9253-9261 (1995).
24. Fujimoto, S., Kohno, H. & Yamada, K. Temperature dependence of electrical resistivity in two-dimension Fermi systems. J. Phys. Soc. Jpn 60, 2724-2728 (1991).
25. 2 compound of FeAs-based high-temperature superconductors. Phys. Rev. Lett. 101, 257003 (2008).
26. 2 compound using X-ray and neutron scattering techniques. Phys. Rev. Lett. 103, 087001 (2009).
27. Fu, M. et al. NMR search for the spin nematic state in LaFeAsO single crystal. Phys. Rev. Lett. 109, 247001 (2012).
28. 2. J. Phys. Soc. Jpn 81, 024604 (2012).
29. Watanabe, S. & Miyake, K. Quantum valence criticality as an origin of unconventional critical phenomena. Phys. Rev. Lett. 105, 186403 (2010).
30. x. Phys. Rev. Lett. 101, 057003 (2008).
31. x. Phys. Rev. Lett. 101, 087004 (2008).
32. 2. Phys. Rev. B 81, 214503 (2010).
33. Kontani, H. & Onari, S. Orbital-fluctuation-mediated superconductivity in iron pnictides: analysis of the five-orbital Hubbard-Holstein model. Phys. Rev. Lett. 104, 157001 (2010).
34. 2. Phys. Rev. Lett. 105, 107003 (2010).
35. 2. Science 336, 1554-1557 (2012).
36. Chu, J.-H. et al. In-plane resistivity anisotropy in an underdoped iron arsenide superconductor. Science 329, 824-826 (2010).
37. 2 above the spin density wave transition. Proc. Natl Acad. Sci. USA 108, 6878-6883 (2011).
38. Fernandes, R. M., Chubukov, A. V., Knolle, J., Eremin, I. & Schmalian, J. Preemptive nematic order, pseudogap, and orbital order in the iron pnictides. Phys. Rev. B 85, 024534 (2012).
39. Yanagi, Y., Yamakawa, Y., Adachi, N. & Ono, Y. Cooperative effects of Coulomb and electron-phonon interactions in the two-dimensional 16-band d-p model for iron-based superconductors. Phys. Rev. B 82, 064518 (2010).
40. 2 using a nucleation pole. Supercond. Sci. Technol. 22, 105006 (2009).
41. Narath, A. Nuclear spin-lattice relaxation in hexagonal transition metals: titanium. Phys. Rev. 162, 320-332 (1967).