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Sandu V, Cimpoiasu E, Katuwal T, et al. Evidence for vortices in the pseudogap region of Y1-xPrxBa2Cu3O7 from angular magnetoresistivity measurements. Phys Rev Lett. 2004;93(17):177005doi: 10.1103/PhysRevLett.93.177005.
Sandu, V., Cimpoiasu, E., Katuwal, T., Li, S., Maple, M. B., & Almasan, C. C. (2004). Evidence for vortices in the pseudogap region of Y1-xPrxBa2Cu3O7 from angular magnetoresistivity measurements. Physical review letters, 93(17), 177005. https://doi.org/10.1103/PhysRevLett.93.177005
Sandu, V, et al. "Evidence for vortices in the pseudogap region of Y1-xPrxBa2Cu3O7 from angular magnetoresistivity measurements." Physical review letters vol. 93,17 (2004): 177005. doi: https://doi.org/10.1103/PhysRevLett.93.177005
Sandu V, Cimpoiasu E, Katuwal T, Li S, Maple MB, Almasan CC. Evidence for vortices in the pseudogap region of Y1-xPrxBa2Cu3O7 from angular magnetoresistivity measurements. Phys Rev Lett. 2004 Oct 22;93(17):177005. doi: 10.1103/PhysRevLett.93.177005. Epub 2004 Oct 20. PMID: 15525115.
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Phys Rev Lett. 2004 Oct 22;93(17):177005. doi: 10.1103/PhysRevLett.93.177005. Epub 2004 Oct 20.

Evidence for vortices in the pseudogap region of Y1-xPrxBa2Cu3O7 from angular magnetoresistivity measurements.

Physical review letters

V Sandu, E Cimpoiasu, T Katuwal, Shi Li, M B Maple, C C Almasan

Affiliations

  1. Department of Physics, Kent State University, Kent, OH 44242, USA.

PMID: 15525115 DOI: 10.1103/PhysRevLett.93.177005

Abstract

In-plane angular magnetoresistivity Deltarho(anis)(ab) measurements were made on Y(1-x)Pr(x)Ba(2)Cu(3)O(7-delta) single crystals in the pseudogap region. For x>/=0.2 single crystals, Deltarho(anis)(ab)(theta) displays a deviation from the typical quasiparticle contribution (proportional, sin((2)theta) for temperatures smaller than a certain value T(phi) in the pseudogap region. This deviation is consistent with a flux-flow type contribution to angular magnetoresistivity, indicating the presence of vortexlike excitations above the zero-field critical temperature in the pseudogap region.

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