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- Title
Low-temperature electrical transport in the normal-state of overdoped cuprate superconductors.
- Authors
Ma, Xingyu; Zeng, Minghuan; Cao, Zhangkai; Feng, Shiping
- Abstract
The low-temperature electrical transport in the normal-state of overdoped cuprate superconductors is investigated based on the t-J model. The momentum relaxation due to the umklapp scattering between electrons by the exchange of the effective spin propagator is employed to evaluate the electrical resistivity within the framework of the Boltzmann transport theory. It is shown that the quadratic temperature dependence of the resistivity develops in the far-lower-temperature region, and is followed by a nonlinear temperature dependence of the resistivity in an extremely-narrow-crossover region and a linear temperature dependence of the resistivity in the low-temperature region. The obtained results also show that the same spin excitation governs both superconductivity and the electron umklapp scattering responsible for the low-temperature linear in temperature resistivity in the overdoped regime.
- Subjects
CUPRATES; HIGH temperature superconductors; SPIN exchange; SPIN excitations; TRANSPORT theory; ELECTRON scattering
- Publication
Modern Physics Letters B, 2024, Vol 38, Issue 21, p1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984923420034