Comment on "Low-temperature phonon thermal conductivity of single-crystalline Nd_{2}CuO_{4}: Effects of sample size and surface roughness" by Li et al.

dc.creatorSun, X. F.
dc.creatorAndo, Yoichi
dc.date2009-04-10
dc.date.accessioned2026-07-07T13:12:57Z
dc.date.available2026-07-07T13:12:57Z
dc.descriptionIn this Comment, we show that the experimental data reported by Li {\it et al.} (Phys. Rev. B {\bf 77}, 134501 (2008)) do not support the phonon specular reflection at low temperatures for high-T_c cuprates, because the phonon mean free path \ell calculated from their thermal conductivity data is much smaller than the averaged sample width above \sim 100 mK for both Nd_{2}CuO_{4} and YBa_{2}Cu_{3}O_{6.0} single crystals.
dc.description4 pages, 2 figures, accepted for publication in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/0904.1704
dc.identifierhttp://arxiv.org/abs/0904.1704
dc.identifierPhys. Rev. B 79, 176501 (2009)
dc.identifierdoi:10.1103/PhysRevB.79.176501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/229740
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleComment on "Low-temperature phonon thermal conductivity of single-crystalline Nd_{2}CuO_{4}: Effects of sample size and surface roughness" by Li et al.
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