Electronic correlations in the iron pnictides

Nature Physics

Volumn 5, Issue 9, 2009, Pages 647-650

  Qazilbash, M M ^a   Hamlin, J J ^a   Baumbach, R E ^a   Zhang, Lijun ^b   Singh, D J ^b   Maple, M B ^a   Basov, D N ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b OAK RIDGE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COPPER COMPOUNDS; ELECTRONS; IRON COMPOUNDS; IRON-BASED SUPERCONDUCTORS; KINETIC ENERGY; KINETICS; LANTHANUM COMPOUNDS; MOTT INSULATORS; SINGLE CRYSTALS;

CORRELATION EFFECT; COULOMB REPULSIONS; ELECTRONIC CORRELATION; HIGH-TC SUPERCONDUCTIVITY; IRON PNICTIDE SUPERCONDUCTORS; OPTICAL SPECTROSCOPY; SUBSTANTIAL REDUCTION; SUPERCONDUCTING CUPRATES;

PHOSPHORUS COMPOUNDS;

EID: 70249087614     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys1343     Document Type: Article

References (38)

1. Millis, A. J. in Strong Interactions in Low Dimensions (eds Baeriswyl, D. & Degiorgi, L.) (Kluwer-Academic, 2004).
2. Kamihara, Y. et al. Iron-based layered superconductor: LaOFeP. J. Am. Chem. Soc. 128, 10012-10013 (2006).
3. c = 26K. J. Am. Chem. Soc. 130, 3296-3297 (2008).
4. x FeAs. Chin. Phys. Lett. 25, 2215-2216 (2008).
5. c iron pnictides. Phys. Rev. Lett. 101, 076401 (2008).
6. Kamihara, Y. et al. Electromagnetic properties and electronic structure of the iron-based layered superconductor LaFePO. Phys. Rev. B 77, 214515 (2008).
7. Bonn, D. A. Are high-temperature superconductors exotic? Nature Phys. 2, 159-168 (2006).
8. Carlo, J. P. et al. Static magnetic order and superfluid density of RFeAs(O, F) (R = La, Nd, Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors. Phys. Rev. Lett. 102, 087001 (2009).
9. x FeAs. Phys. Rev. Lett. 100, 226402 (2008).
10. Laad, M. S., Craco, L., Leoni, S. & Rosner, H. Electrodynamic response of incoherent metals: Normal phase of iron pnictides. Phys. Rev. B 79, 024515 (2009).
11. c superconductors. Rev. Mod. Phys. 77, 721-779 (2005).
12. Qazilbash, M. M. et al. Correlated metallic state of vanadium dioxide. Phys. Rev. B 74, 205118 (2006).
13. x : A low carrier density superconductor near itinerant magnetism. Phys. Rev. Lett. 100, 237003 (2008).
14. x an electron-phonon superconductor? Phys. Rev. Lett. 101, 026403 (2008).
15. Hamlin, J. J., Baumbach, R. E., Zocco, D. A., Sayles, T. A. & Maple, M. B. Superconductivity in single crystals of LaFePO. J. Phys. Condens. Matter 20, 365220 (2008).
16. Coldea, A. I. et al. Fermi surface of superconducting LaFePO determined from quantum oscillations. Phys. Rev. Lett. 101, 216402 (2008).
17. 2 : Evidence for strong coupling to low-energy bosons. Phys. Rev. Lett. 102, 187003 (2009).
18. Millis, A. J., Zimmers, A., Lobo, R. P. S. M., Bontemps, N. & Homes, C. C. Mott physics and the optical conductivity of electron-doped cuprates. Phys. Rev. B 72, 224517 (2005).
19. Lu, D. H. et al. Electronic structure of the iron-based superconductor LaOFeP. Nature 455, 81-84 (2008).
20. Comanac, A., De Medici, L., Capone, M. & Millis, A. J.Optical conductivity and the correlation strength of high-temperature copper-oxide superconductors. Nature Phys. 4, 287-290 (2008).
21. x FeAs systems. Nature 453, 899-902 (2008).
22. Si, Q., Abrahams, E., Dai, J. & Zhu, J.-X. Correlation effects in the iron pnictides. N. J. Phys. 11, 045001 (2009).
23. Kuzmenko, A. B. Kramers-Kronig constrained variational analysis of optical spectra. Rev. Sci. Instrum. 76, 083108 (2005).
24. 2 (A = Ba,Sr) as revealed by optical spectroscopy. Phys. Rev. Lett. 101, 257005 (2008).
25. 2 (A = Ba, Ca, or Sr). Preprint at
26. Drechsler, S.-L. et al. New insight into the physics of iron pnictides from optical and penetration depth data. Preprint at
27. Thomas, G. A. et al. Optical properties of a correlated electron system. J. Low Temp. Phys. 95, 33-38 (1994).
28. Rozenberg, M. J., Kotliar, G. & Kajueter, H. Transfer of spectral weight in spectroscopies of correlated electron systems. Phys. Rev. B 54, 8452-8468 (1996).
29. 4 . Phys. Rev. Lett. 76, 126-129 (1996).
30. 4 to the layered superconducting cuprates. Phys. Rev. B 52, 1358-1361 (1995).
31. 3 near the Mott-Hubbard transition. Phys. Rev. Lett. 82, 5321-5324 (1999).
32. Mazin, I. I. & Singh, D. J. Electronic structure and magnetism in Ru-based perovskites. Phys. Rev. B 56, 2556-2571 (1997).
33. 2 . Phys. Rev. B 60, 4126-4130 (1999).
34. 2 . Phys. Rev. B 55, 10253-10260 (1997).
35. 2 . Phys. Rev. B 59, 411-418 (1999).
36. Romaniello, P., de Boeij, P. L., Carbone, F. & van der Marel, D. Optical properties of bcc transition metals in the range 0-40 eV. Phys. Rev. B 73, 075115 (2006).
37. 2 . Phys. Rev. B 73, 104509 (2006).
38. Romaniello, P. & de Boeij, P. L. Time-dependent current-density- functional theory for the metallic response of solids. Phys. Rev. B 71, 155108 (2005).