Scientific article

Doping-dependent optical properties of Bi2201

Published inNew journal of physics, vol. 11, no. 5, 055067
Publication date2009

An experimental study of the in-plane optical conductivity of (Pbx,Bi2−x)(LaySr2−y)CuO6 (Bi2201) is presented for a broad doping and temperature range. The in-plane conductivity is analyzed within a strong coupling formalism. We address the interrelationship between the optical conductivity, the single particle self-energy and the electron–boson spectral function. We find that the frequency and temperature dependence can be well described within this formalism. We present a universal description of optical, angle resolved photoemission spectroscopy (ARPES) and tunneling spectra. The full frequency and temperature dependence of the optical spectra and single particle self-energy is shown to result from an electron–boson spectral function, which shows a strong doping dependence and weak temperature dependence.

Citation (ISO format)
VAN HEUMEN, Erik et al. Doping-dependent optical properties of Bi2201. In: New journal of physics, 2009, vol. 11, n° 5, p. 055067. doi: 10.1088/1367-2630/11/5/055067
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Article (Published version)
ISSN of the journal1367-2630

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