The mid-infrared AC Hall effect in optimally-doped BSCCO

Details The mid-infrared AC Hall effect in optimally-doped BSCCO The mid-infrared AC Hall effect in optimally-doped BSCCO

2002-10-14

arxiv.org/abs/cond-mat/0210304v2

Physics

Condensed Matter

Superconductivity

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Scientific paper

A novel heterodyne polarimetry system determines the frequency dependence from 900 to 1100 cm^-1 and temperature dependence from 35 to 330 K of the Hall transport in single crystal, optimally doped BSCCO. The results show a significant disconnect from the behavior of the Hall angle in the existing data for YBCO in the far-infrared, which indicate a negative value for the real part of the Hall angle above 250 cm^-1, whereas that of the current work at 1000 cm^-1 is positive. The current work when analyzed using an extended Drude formalism results in a Hall mass comparable to the ARPES Fermi mass and a scattering rate comparable to the low frequency conductivity and Hall effect scattering rates, which, however, are only 1/4 of the ARPES values.

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