Robustness of s-Wave Pairing in Electron-Overdoped A 1-yFe 2-xSe2 (A=K,Cs)

Physical Review X

Volumn 1, Issue 1, 2011, Pages 1-13

  Fang, Chen ^a   Wu, Yang Le ^b   Thomale, Ronny ^b   Bernevig, Andrei B ^b   Hu, Jiangping ^a,c  

^a PURDUE UNIVERSITY   (United States)

^b PRINCETON UNIVERSITY   (United States)

^c INSTITUTE OF PHYSICS   (China)

Author keywords

Condensed Matter Physics; Strongly Correlated Materials; Superconductivity

Indexed keywords

ANTIFERROMAGNETICS; D-WAVE PAIRING; ELECTRON-DOPED; INTERACTION TERM; IRON-BASED SUPERCONDUCTORS; MAGNETIC EXCHANGE COUPLING; NEAREST-NEIGHBORS; NEUTRON SCATTERING EXPERIMENTS; NONLOCAL; PAIRING SYMMETRIES; PNICTIDES; RENORMALIZATION GROUP; S-WAVE PAIRING; SELF-CONSISTENT MEAN-FIELD; SPIN EXCHANGES; STRONGLY CORRELATED MATERIALS; SUPERCONDUCTING PAIRING;

ANTIFERROMAGNETISM; CHALCOGENIDES; CONDENSED MATTER PHYSICS; HIGH TEMPERATURE SUPERCONDUCTORS; IRON; SHEAR WAVES; SUPERCONDUCTIVITY;

CESIUM;

EID: 84865091018     PISSN: None     EISSN: 21603308     Source Type: Journal    
DOI: 10.1103/PhysRevX.1.011009     Document Type: Article

References (66)

1. 2 (0x1:0), Phys. Rev. B 82, 180520 (2010).
2. 2 Crystals, Europhys. Lett. 94, 27009 (2011).
3. 2 (A 1/4 K; Rb; Cs; Tl;K and Tl=Rb): Evidence from Magnetization and Resistivity, Europhys. Lett. 94, 27008 (2011).
4. D. N. Basov and A.V. Chubukov, Manifesto for a Higher Tc, Nature Phys. 7, 272 (2011).
5. e2 (A 1/4 K, Cs) Revealed by Angle-Resolved Photoemission Spectroscopy, Nature Mater. 10, 273 (2011).
6. 2) Probed by ARPES, Europhys. Lett. 93, 57001 (2011).
7. 2 Superconductor, Phys. Rev. Lett. 106, 107001 (2011).
8. C. Chao and D. Jian-Hui, Electronic Structure of KFe2Se2 from First-Principles Calculations, Chin. Phys. Lett. 28, 057402 (2011).
9. L. Zhang and D. J. Singh, Density Functional Study of the Overdoped Iron Chalcogenide TlFe2Se2 with ThCr2Si2 Structure, Phys. Rev. B 79, 094528 (2009).
10. X.-W. Yan, X. F. Wang M. Gao, Z.-Y. Lu, and T. Xiang, Electronic and Magnetic Structures of the Ternary Iron Selenides AFe2Se2 (A 1/4 Cs; Rb; K; or Tl), Phys. Rev. B 84, 054502 (2011).
11. K. Seo, B. A. Bernevig, and J. Hu, Pairing Symmetry in a Two-Orbital Exchange Coupling Model of Oxypnictides, Phys. Rev. Lett. 101, 206404 (2008).
12. C. Fang, H. Yao, W.-F. Tsai, J. Hu, and S. A. Kivelson, Theory of Electron Nematic Order in LaFeAsO, Phys. Rev. B 77, 224509 (2008).
13. F. Wang, H. Zhai, Y. Ran, A. Vishwanath, and D.-H. Lee, Functional Renormalization-Group Study of the Pairing Symmetry and Pairing Mechanism of the FeAs-Based High-Temperature Superconductor, Phys. Rev. Lett. 102, 047005 (2009).
14. I. I. Mazin, M. D. Johannes, L. Boeri, K. Koepernik, and D. J. Singh, Problems with Reconciling Density Functional Theory Calculations with Experiment in Ferropnictides, Phys. Rev. B 78, 085104 (2008).
15. A.V. Chubukov, D.V. Efremov, and I. Eremin, Magnetism, Superconductivity, and Pairing Symmetry in Iron-Based Superconductors, Phys. Rev. B 78, 134512 (2008).
16. T. A. Maier and D. J. Scalapino, Theory of Neutron Scattering as a Probe of the Superconducting Gap in the Iron Pnictides, Phys. Rev. B 78, 020514 (2008).
17. R. Thomale, C. Platt, J. Hu, C. Honerkamp, and B. A. Bernevig, Functional Renormalization-Group Study of the Doping Dependence of Pairing Symmetry in the Iron Pnictide Superconductors, Phys. Rev. B 80, 180505(R) (2009).
18. R. Thomale, C. Platt, W. Hanke, J. Hu, and B. A. Bernevig, Exotic d-Wave Superconducting State of Strongly Hole-Doped KxBa1xFe2As2, Phys. Rev. Lett. (to be published).
19. Q. Si and E. Abrahams, Strong Correlations and Magnetic Frustration in the High Tc Iron Pnictides, Phys. Rev. Lett. 101 076401 2008
20. M. Berciu, I. Elfimov, and G. A. Sawatzky, Electronic Polarons and Bipolarons in Iron-based Superconductors: The Role of Anions, Phys. Rev. B 79, 214507 (2009).
21. W.-Q. Chen, K.-Y. Yang, Y. Zhou, and F.-C. Zhang, Strong Coupling Theory for Superconducting Iron Pnictides, Phys. Rev. Lett. 102, 047006 (2009).
22. J. Dai, Q. Si, J.-X. Zhu, and E. Abrahams, Iron Pnictides as a New Setting for Quantum Criticality, Proc. Natl. Acad. Sci. U.S.A. 106, 4118 (2009).
23. S.-P. Kou, T. Li, and Z.-Y. Weng, Coexistence of Itinerant Electrons and Local Moments in Iron-Based Superconductors, Europhys. Lett. 88, 17010 (2009).
24. K. Haule, J. H. Shim, and G. Kotliar, Correlated Electronic Structure of LaO1xFxFeAs, Phys. Rev. Lett. 100, 226402 (2008).
25. K. Haule and G. Kotliar, CoherenceIncoherence Crossover in the Normal State of Iron Oxypnictides and Importance of Hunds Rule Coupling, New J. of Phys. 11, 025021 (2009).
26. J. Wu and P. Phillips, Experimental Detection of Sign- Reversal Pairing in Iron-Based Superconductors, Phys. Rev. B 79, 092502 (2009).
27. M. Daghofer, A. Moreo, J. A. Riera, E. Arrigoni, D. J. Scalapino, and E. Dagotto, Model for the Magnetic Order and Pairing Channels in Fe Pnictide Superconductors, Phys. Rev. Lett. 101, 237004 (2008).
28. V. Mishra, G. Boyd, S. Graser, T. Maier, P. J. Hirschfeld, and D. J. Scalapino, Lifting of Nodes by Disorder in Extended-s-State Superconductors: Application to Ferropnictides, Phys. Rev. B 79, 094512 (2009
29. P. A. Lee and X.-G.Wen, Spin-Triplet p-Wave Pairing in a Three-Orbital Model for Iron Pnictide Superconductors, Phys. Rev. B 78, 144517 (2008).
30. V. Cvetkovic and Z. Tesanovic, Multiband Magnetism and Superconductivity in Fe-Based Compounds, Eur. Phys. Lett. 85, 37002 (2009).
31. K. Kuroki, S. Onari, R. Arita, H. Usui, Y. Tanaka, H. Kontani, and H. Aoki, Unconventional Pairing Originating from the Disconnected Fermi Surfaces of Superconducting LaFeAsO1xFx, Phys. Rev. Lett. 101, 087004 (2008).
32. F. Wang, H. Zhai, and D.-H. Lee, Antiferromagnetic Correlation and the Pairing Mechanism of the Cuprates and Iron Pnictides: A View from the Functional Renormalization Group Studies, Europhys. Lett. 85, 37005 (2009).
33. S. Graser, T.A. Maier, P. J. Hirschfeld, and D. J. Scalapino, Near-Degeneracy of Several Pairing Channels in Multiorbital Models for the Fe Pnictides, New J. Phys. 11, 025016 (2009).
34. S. Graser, A. F. Kemper, T.A. Maier, H.-P. Cheng, P. J. Hirschfeld, and D. J. Scalapino, Spin Fluctuations and Superconductivity in a Three-Dimensional Tight-Binding Model for BaFe2As2, Phys. Rev. B 81, 214503 (2010).
35. A. Nicholson, W. Ge, X. Zhang, J. Riera, M. Daghofer, A. M. Oles, G.B. Martins, A. Moreo, and E. Dagotto, Competing Pairing Symmetries in a Generalized Two- Orbital Model for the Pnictide Superconductors , Phys. Rev. Lett. 106, 217002 (2011).
36. J. Kang and Z. Tesanovic, Theory of the Valley-Density Wave and Hidden Order in Iron Pnictides, Phys. Rev. B 83, 020505 (2011).
37. S. Maiti and A.V. Chubukov, Relation Between Nodes and 2Δ=Tc on the Hole Fermi Surface in Iron-Based Superconductors, Phys. Rev. B 83, 220508 (2011).
38. T. A. Maier, S. Graser, P. J. Hirschfeld, and D. J. Scalapino, Inelastic Neutron and X-Ray Scattering as Probes of the Sign Structure of the Superconducting Gap in Iron Pnictides, Phys. Rev. B 83, 220505(R) (2011).
39. R. Thomale, C. Platt, W. Hanke, and B. Andrei Bernevig, Mechanism for Explaining Differences in the Order Parameters of FeAs-Based and FeP-Based Pnictide Superconductors, Phys. Rev. Lett. 106, 187003 (2011).
40. V. Stanev, B. Alexandrov, P. Nikolic, and Z. Tesanovic, Robust Accidental Nodes and Zeros and Critical Quasiparticle Scaling in Iron-Based Multiband Superconductors, Phys. Rev. B 84, 014505 (2011).
41. W. Hanke, C. Platt, and R. Thomale, Order-Parameter Anisotropies in the Pnictides-An Optimization Principle for Multi-Band Superconductivity, Ann. Phys. (Berlin) 523, 638 (2011).
42. S. Maiti, M. M. Korshunov, T. A. Maier, P. J. Hirschfeld, and A.V. Chubukov, Evolution of Superconductivity in Fe-Based Systems with Doping, arXiv:1104.1814.
43. Y.-Z. You, H. Yao, and D.-H. Lee, The Spin Excitations of the Block-Antiferromagnetic State K0:8Fe1:6Se2, Phys. Rev. B 84, 020406 (2011).
44. T. A. Maier, S. Graser, P. J. Hirschfeld, and D. J. Scalapino, d-Wave Pairing from Spin Fluctuations in the KxFe2-ySe2 Superconductors, Phys. Rev. B 83, 100515(R) (2011).
45. 2 Superconductors, arXiv:1103.3509.
46. M. M. Parish, J. Hu, and B. A. Bernevig, Experimental Consequences of the s-Wave cos(kx) cos(ky) Superconductivity in the Iron Pnictides, Phys. Rev. B 78, 144514 (2008).
47. O. J. Lipscombe, G. F. Chen, C. Fang, T. G. Perring, D. L. Abernathy, A.D. Christianson, T. Egami, N. Wang, J. Hu, and P. Dai, Spin Waves in the Magnetically Ordered Iron Chalcogenide Fe1:05Te, Phys. Rev. Lett. 106, 057004 (2011).
48. F. Ma, W. Ji, J. Hu, Z.-Y. Lu, and T. Xiang, First- Principles Calculations of the Electronic Structure of Tetragonal FeTe and FeSe Crystals: Evidence for a Bicollinear Antiferromagnetic Order, Phys. Rev. Lett. 102, 177003 (2009).
49. C. Fang, B. Andrei Bernevig, and J. Hu, Theory of Magnetic Order in Fe1)yTe1xSex, Europhys. Lett. 86, 67005 (2009).
50. Miaoyin Wang, Chen Fang, Dao-Xin Yao, GuoTai Tan, Leland W. Harriger, Yu Song, Tucker Netherton, Chenglin Zhang, Meng Wang, Matthew B. Stone, Wei Tian, Jiangping Hu, and Pengcheng Dai, Spin Waves and Magnetic Exchange Interactions in Insulating Rb0:89Fe1:58Se2, arXiv:1105.4675.
51. W. Bao, Q. Huang, G. F. Chen, M. A. Green, D. M. Wang, J. B. He, X. Q. Wang, and Y. Qiu, A Novel Large Moment Antiferromagnetic Order in K0:8F1:6Se2 Superconductor, Chin. Phys. Lett. 28, 086104 (2011).
52. C. Fang, B. Xu, P. Dai, T. Xiang, and J. Hu, Magnetic Frustration and Iron-Vacancy Ordering in Iron- Chalcogenide, arXiv:1103.4599.
53. Christian Platt, Ronny Thomale, Carsten Honerkamp, Shou-Cheng Zhang, and Werner Hanke, Mechanism for a Pairing State with Time-Reversal Symmetry Breaking in Iron-Based Superconductors, arXiv:1106.5964.
54. Dao-Xin Yao, Shiliang Li, Tao Hong, Y. Chen, S. Chang, W. Ratcliff, II, J.W. Lynn, H. A. Mook, G. F. Chen et al., Low Energy Spin Waves and Magnetic Interactions in SrFe2As2, Phys. Rev. Lett. 101, 167203
55. J. Zhao, D. T. Adroja, D.-X. Yao, R. Bewley, S. Li, X. F. Wang, G. Wu, X.H. Chen, J. Hu, and P. Dai, Spin Waves and Magnetic Exchange Interactions in CaFe2As2, Nature Phys. 5, 555 (2009).
56. M. Daghofer, A. Nicholson, A. Moreo, and E. Dagotto, Three Orbital Model for the Iron-Based Superconductors, Phys. Rev. B 81, 014511 (2010).
57. X. Lu, C. Fang, W. F. Tsai, Y. Jiang, and J. Hu, s-Wave Superconductivity with Orbital Dependent Sign Change in the Checkerboard Models of Iron-Based Superconductors, arXiv:1012.2566.
58. D. Zanchi and H. J. Schulz, Weakly Correlated Electrons on a Square Lattice: Renormalization-Group Theory, Phys. Rev. B 61, 13609 (2000).
59. C. J. Halboth and W. Metzner, Renormalization-Group Analysis of the Two-Dimensional Hubbard Model, Phys. Rev. B 61, 7364 (2000).
60. C. Honerkamp, M. Salmhofer, N. Furukawa, and T. M. Rice, Breakdown of the Landau-Fermi Liquid in Two Dimensions Due to Umklapp Scattering, Phys. Rev. B 63, 035109 (2001).
61. C. Platt, C. Honerkamp, and W. Hanke, Pairing in the Iron Arsenides: A Functional RG Treatment, New J. Phys. 11, 055058 (2009).
62. S. Borisenko (unpublished).
63. 2 in Comparison with Iron Pnictides, arXiv:1103.3259.
64. 2 Superconductors, Phys. Rev. Lett. 106, 186401 (2011).
65. 2 as a Doped Mott Insulator, Europhys. Lett. 95, 17003 (2011).
66. e2, Europhys. Lett. 93, 57003 (2011)