Probing the pairing symmetry of the iron pnictides with electronic Raman scattering

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An important issue in the study of the iron-arsenic based superconductors is the symmetry of the superconducting gap, a problem complicated by multiple gaps on different Fermi surface sheets. Electronic Raman scattering is a flexible bulk probe which allows one in principle to determine gap magnitudes and test for gap nodes in different regions of the Brillouin zone by employing different photon polarization states. Here we calculate the clean Raman intensity for A{sub 1g}, B{sub 1g} and B{sub 2g} polarizations, and discuss the peak structures and low-energy power laws which might be expected for several popular models of the superconducting ... continued below

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Boyd, G.R. April 29, 2010.

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An important issue in the study of the iron-arsenic based superconductors is the symmetry of the superconducting gap, a problem complicated by multiple gaps on different Fermi surface sheets. Electronic Raman scattering is a flexible bulk probe which allows one in principle to determine gap magnitudes and test for gap nodes in different regions of the Brillouin zone by employing different photon polarization states. Here we calculate the clean Raman intensity for A{sub 1g}, B{sub 1g} and B{sub 2g} polarizations, and discuss the peak structures and low-energy power laws which might be expected for several popular models of the superconducting gap in these systems.

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  • Journal Name: Submitted to Physical Review B

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  • Report No.: SLAC-PUB-14007
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 979038
  • Archival Resource Key: ark:/67531/metadc932869

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Office of Scientific & Technical Information Technical Reports

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  • April 29, 2010

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  • Nov. 13, 2016, 7:26 p.m.

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  • Feb. 17, 2017, 6:36 p.m.

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Boyd, G.R. Probing the pairing symmetry of the iron pnictides with electronic Raman scattering, article, April 29, 2010; United States. (digital.library.unt.edu/ark:/67531/metadc932869/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.