Proximity of iron pnictide superconductors to a quantum tricritical point

Nature Communications

Volumn 2, Issue 1, 2011, Pages

  Giovannetti, Gianluca ^a,b,c   Ortix, Carmine ^d   Marsman, Martijn ^e   Capone, Massimo ^a,b,c   Van Den Brink, Jeroen ^d   Lorenzana, José ^a  

^a UNIVERSITÀ DI ROMA LA SAPIENZA   (Italy)

^b IOM CNR LABORATORIO TASC   (Italy)

^c SISSA   (Italy)

^d Institute for Theoretical Solid State Physics   (Germany)

^e UNIVERSITY OF VIENNA   (Austria)

Author keywords

[No Author keywords available]

Indexed keywords

IRON; LANTHANUM; ORGANOARSENIC DERIVATIVE;

AB INITIO CALCULATION; ARTICLE; CONDUCTANCE; DENSITY FUNCTIONAL THEORY; PHASE TRANSITION; QUANTUM MECHANICS; QUANTUM TRICRITICAL POINT; SUPERCONDUCTOR; CHEMISTRY; ELECTRIC CONDUCTIVITY; MAGNETISM; PRESSURE; QUANTUM THEORY; TEMPERATURE;

ARSENICALS; ELECTRIC CONDUCTIVITY; IRON; LANTHANUM; MAGNETICS; PRESSURE; QUANTUM THEORY; TEMPERATURE;

EID: 79960583433     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms1407     Document Type: Article

References (52)

1. Mathur, N. D., et al. Magnetically mediated superconductivity in heavy fermion compounds. Nature 394, 39-43 (1998). (Pubitemid 28321793)
2. Monthoux, P., Pines, D. & Lonzarich, G. G. Superconductivity without phonons. Nature 450, 1177-1183 (2007).
3. Coleman, P. Handbook of Magnetism and Advanced Magnetic Materials vol. 1 (Wiley and Sons, 2007).
4. Valla, T., et al. Evidence for quantum critical behavior in the optimally doped cuprate Bi2Sr2CaCu2O8+δ. Science 285, 2110-2113 (1999).
5. Van der Marel, D., et al. Quantum critical behaviour in a high-Tc superconductor. Nature 425, 271-274 (2003).
6. Castellani, C., Di Castro, C. & Grilli, M. Singular quasiparticle scattering in the proximity of charge instabilities. Phys. Rev. Lett. 75, 4650-4653 (1995).
7. Varma, C. M. Pseudogap phase and the quantum-critical point in copper-oxide metals. Phys. Rev. Lett. 83, 3538-3541 (1999). (Pubitemid 129598322)
8. Sachdev, S. Where is the quantum critical point in the cuprate superconductors? Phys. Stat. Sol. (b) 247, 537-543 (2010).
9. Nakai, Y., et al. Unconventional superconductivity and antiferromagnetic quantum critical behavior in the isovalent-doped BaFe2(As1-xPx)2. Phys. Rev. Lett. 105, 107003 (2010).
10. Dai, J., Si, Q., Zhu, J.- X. & Abrahams, E. Iron pnictides as a new setting for quantum criticality. Proc. Natl Acad. Sci. USA 106, 4118-4121 (2009).
11. Xu, C., Mller, M. & Sachdev, S. Ising and spin orders in the iron-based superconductors. Phys. Rev. B 78, 020501(R) (2008).
12. Zaanen, J. Specific-heat jump at the superconducting transition and the quantum critical nature of the normal state of pnictide superconductors. Phys. Rev. B 80, 212502 (2009).
13. Moon, E.- G. & Chubukov, A. Quantum-critical pairing with varying exponents. J. Low Temp. Phys. 161, 263-281 (2010).
14. She, J.- H. & Zaanen, J. BCS superconductivity in quantum critical metals. Phys. Rev. B 80, 184518 (2009).
15. Yang, S.- X., et al. Proximity of the superconducting Dome and the quantum critical point in the two dimensional Hubbard Model. Phys. Rev. Lett. 106, 047004 (2011).
16. Capone, M., Fabrizio, M., Castellani, C. & Tosatti, E. Strongly correlated superconductivity and pseudogap phase near a multiband mott insulator. Phys. Rev. Lett. 93, 047001 (2004).
17. xFeAs systems. Nature 453, 899-902 (2008). (Pubitemid 351832571)
18. xFeAs. Europhys. Lett. 83, 27006 (2008).
19. Krellner, C., et al. Magnetic and structural transitions in layered iron arsenide systems: AFe2As2 versus RFeAsO. Phys. Rev. B 78, 100504 (2008).
20. Jesche, A., Krellner, C., de Souza, M., Lang, M. & Geibel, C. Coupling between the structural and magnetic transition in CeFeAsO. Phys. Rev. B 81, 134525 (2010).
21. Misawa, T., Yamaji, Y. & Imada, M. Spin fluctuation theory for quantum tricritical point arising in proximity to first-order phase transitions: Applications to heavy-fermion systems, YbRh2Si2, CeRu2Si2, and ?-YbAlB4. J. Phys. Soc. Japan 78, 084707 (2009).
22. Jakubczyk, P. Renormalized φ6 model for quantum phase transitions in systems of itinerant fermions. Phys. Rev. B 79, 125115 (2009).
23. Jakubczyk, P., Bauer, J. & Metzner, W. Finite temperature crossovers near quantum tricritical points in metals. Phys. Rev. B 82, 045103 (2010).
24. Pfleiderer, C., Julian, S. R. & Lonzarich, G. G. Non-Fermi-liquid nature of the normal state of itinerant-electron ferromagnets. Nature 414, 427-430 (2001). (Pubitemid 34176782)
25. Pfleiderer, C., et al. Partial order in the non-Fermi-liquid phase of MnSi. Nature 427, 227-231 (2004). (Pubitemid 38120223)
26. Rössler, U. K., Bogdanov, A. N. & Pfleiderer, C. Spontaneous skyrmion ground states in magnetic metals. Nature 442, 797-801 (2006). (Pubitemid 44261900)
27. Tewari, S., Belitz, D. & Kirkpatrick, T. R. Blue Quantum Fog: Chiral Condensation in Quantum Helimagnets. Phys. Rev. Lett. 96, 047207 (2006).
28. Binz, B., Vishwanath, A. & Aji, V. Theory of the Helical Spin Crystal: A Candidate for the Partially Ordered State of MnSi. Phys. Rev. Lett. 96, 207202 (2006).
29. Green, A. G., et al. Phase bifurcation and quantum fluctuations in Sr3Ru2O7. Phys. Rev. Lett. 95, 086402 (2005).
30. Lorenzana, J., Seibold, G., Ortix, C. & Grilli, M. Competing orders in FeAs layers. Phys. Rev. Lett. 101, 186402 (2008).
31. Dederichs, P. H., Blgel, S., Zeller, R. & Akai, H. Ground States of Constrained Systems: Application to Cerium Impurities. Phys. Rev. Lett. 53, 2512-2515 (1984).
32. Hohenberg, P. & Kohn, W. Inhomogeneous electron gas. Phys. Rev. Lett. 136, B864-B871 (1964).
33. Kohn, W. & Sham, L. J. Self-consistent equations including exchange and correlation effects. Phys. Rev. Lett. 140, A1133-A1138 (1965).
34. Perdew, J. P. & Zunger, A. Self-interaction correction to density-functional approximations for many-electron systems. Phys. Rev. B 23, 5048-5079 (1981).
35. 1-xFxFeAs superconductor. Nature Mater. 8, 305-309 (2009).
36. Eremin, I. & Chubukov, A. V. Magnetic degeneracy and hidden metallicity of the spin-density-wave state in ferropnictides. Phys. Rev. B 81, 024511 (2010).
37. Yndurain, F. & Soler, J. M. Anomalous electron-phonon interaction in doped lafeaso: First-principles calculations. Phys. Rev. B 79, 134506 (2009).
38. 1-xFxFeAs (2009) (http://arxiv.org/abs/0810.4278).
39. Berg, E., Kivelson, S. A. & Scalapino, D. J. Properties of a diagonal two-orbital ladder model of the iron pnictide superconductors. Phys. Rev. B 81, 172504 (2010).
40. Cohen, R. E., Pickett, W. E., Lu, H. & Krakauer, H. Theoretical determination of strong electron-phonon coupling in YBa2Cu3O7. Phys. B: Cond. Matter 165-166, 1057-1058 (1990). (Pubitemid 21648316)
41. Kim, M. G., et al. Antiferrmagnetic ordering in the absence of structural distortion in Ba(Fe1-xMnx)2As2. Phys. Rev. B 82, 220503(R) (2010).
42. Sachdev, S. Quantum phase transitions (Cambridge University Press, Cambridge, 2001).
43. Andergassen, S., Caprara, S., Di Castro, C. & Grilli, M. Anomalous Isotopic Effect Near the Charge-Ordering Quantum Criticality. Phys. Rev. Lett. 87, 056401 (2001).
44. Yin, Z. P., et al. Electron-Hole Symmetry and Magnetic Coupling in Antiferromagnetic LaFeAsO. Phys. Rev. Lett. 101, 047001 (2008).
45. Mazin, I. I., Johannes, M. D., Boeri, L., Koepernik, K. & Singh, D. J. Problems with reconciling density functional theory calculations with experiment in ferropnictides. Phys. Rev. B 78, 085104 (2008).
46. Si, Q. & Abrahams, E. Strong correlations and magnetic frustration in the high-Tc iron pnictides. Phys. Rev. Lett. 101, 076401 (2008).
47. Alireza, P. L., et al. Superconductivity up to 29 K in SrFe2As2 and BaFe2As2 at high pressures. J. of Phys.: Cond. Matter 21, 012208 (2009).
48. Kresse, G. & Furthmller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169-11186 (1996).
49. Kresse, G. & Joubert, D. From ultrasoft pseudopotentials to the projector augmented-wave method. Phys. Rev. B 59, 1758-1775 (1999).
50. Blöchl, P. E. Projector augmented-wave method. Phys. Rev. B 50, 17953-17979 (1994).
51. de la Cruz, C., et al. Lattice distortion and magnetic quantum phase transition in CeFeAs1-xPxO. Phys. Rev. Lett. 104, 017204 (2010)
52. Lebgue, S., Yin, Z. P. & Pickett, W. E. The delicate electronic and magnetic structure of the LaFePnO system (Pn=pnicogen). New J. Phys. 11, 025004 (2009).