Session H35: Focus Session: Iron Pnictides and Other Novel Superconductors VI: Model Hamiltonians

8:00 AM–11:00 AM, Tuesday, March 17, 2009
- 405

Sponsoring Unit: DMP
Chair: Zlatko Tesanovic, Johns Hopkins

Abstract ID: BAPS.2009.MAR.H35.15

Abstract: H35.00015 : Global phase diagram and the spin structure in the Fe-based superconductors

10:48 AM–11:00 AM

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Authors:

  Kangjun Seo
    (Purdue University)

  Chen Fang
    (Purdue University)

  Jiangping Hu
    (Purdue University)

  B. Andrei Bernevig
    (Princeton University)

We study the global phase diagram and calculate the spin susceptivility for different states based on a two-orbital $J_1 - J_2$ model for Fe-based superconductors. Unique features associated with the unconventional $s_{x^2 y^2}\sim \cos (k_x) \cos (k_y)$ wave pairing symmetry are identified.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2009.MAR.H35.15