Evidence for a quantum phase transition in the electron-doped cuprate Pr2-xCexCuO4+d from Hall and resistivity measurements

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The doping and temperature dependence of the Hall coefficient, RH, and ab-plane resistivity in the normal state down to 350mK is reported for oriented films of the electron-doped high-Tc superconductor Pr2-xCexCuO4+d. The doping dependence of b (r=r0+AT^b) and R_sub_H (at 350 mK) suggest a quantum phase transition at a critical doping near x=0.165.
11 pages 4 figures Phys. Rev. Lett. 92, 167001 (2004)

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Superconductivity, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/126266

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0310475
 http://arxiv.org/abs/cond-mat/0310475
 Phys. Rev. Lett. 92, 167001 (2004)
 doi:10.1103/PhysRevLett.92.167001

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