Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1997-12-30
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, RevteX, 2 postscript figures
Scientific paper
10.1209/epl/i1998-00400-0
In doped two-leg spin ladder systems, holes are expected to form charged bosonic pairs. We study charge transport in this system in the temperature range where the bosons can be described as weakly interacting quasi-particles. We consider boson-phonon and boson-impurity scattering processes. We suggest that due to the Ioffe-Regel resistivity saturation mechanism, the resistivity may exhibit a local maximum at intermediate temperatures. We propose that this may explain a similar feature found in recent experimental results.
Carneiro Gilson
Lederer Pascal
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