Correlation between the superconducting transition temperature and anisotropic quasiparticle scattering in Tl2Ba2CuO6+delta |
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| Authors: | Abdel-Jawad M Analytis J G Balicas L Carrington A Charmant J P H French M M J Hussey N E |
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| Affiliation: | H.H. Wills Physics Laboratory, University of Bristol, Bristol BS8 1TL, United Kingdom. |
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| Abstract: | Angle-dependent magnetoresistance measurements are used to determine the isotropic and anisotropic components of the transport scattering rate in overdoped Tl2Ba2CuO6+delta for a range of Tc values between 15 and 35 K. The size of the anisotropic scattering term is found to scale linearly with Tc, establishing a link between the superconducting and normal state physics. A comparison with results from angle resolved photoemission spectroscopy indicates that the transport and quasiparticle lifetimes are distinct. |
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