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Theory of the Hall effect in the normal state of copper oxide superconductors

โœ Scribed by Hiroshi Kamimura; Tatsuo Schimizu; Hideki Ushio

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
221 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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โœฆ Synopsis

The anomalous temperature and concentration dependences of the Hall effect observed for La2_=Sr~CuO, are clarified theoretically, extending the electronic structure recently derived by Kamimura and Eto to a periodic system. The calculated results can explain satisfactorily all the observed anomalous behaviors of the Hall effect including the sign change. Furthermore the cotangent of the Hall angle is predicted to be proportional to T 2. It is shown that the origin of anomalous behaviors of the Hall effect is due to the warped shape of the Fermi surface.

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Based on our previously derived z(q, eg) for the t-J model in a spin liquid state, we show that the temperature (T) dependence of the static magnetic susceptibility, Zs (T), of LaE\_xSrxCuO4, over the entire experimentally studied doping (x) range, is in good agreement with our theoretical predictio