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How should we interpret the two transport relaxation times in the cuprates?

P Coleman-+, A J Schofield-+ and A M Tsvelik++

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We observe that the appearance of two transport relaxation times in the various transport coefficients of cuprate metals may be understood in terms of scattering processes that discriminate between currents that are even, or odd under the charge-conjugation operator. We develop a transport equation that illustrates these ideas and discuss its experimental and theoretical consequences.


PACS

74.25.Fy Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)

74.72.-h Cuprate superconductors (high-Tc and insulating parent compounds)

Subjects

Superconductivity

Dates

Issue 48 (25 November 1996)

Received 20 June 1996, in final form 20 August 1996



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