Universal Heat Transport in [Formula presented]

M. Suzuki, M. A. Tanatar, N. Kikugawa, Z. Q. Mao, Y. Maeno, T. Ishiguro

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


We present the temperature dependence of the thermal conductivity [Formula presented] of the unconventional superconductor [Formula presented] down to low temperatures [Formula presented]. In the [Formula presented] limit we found a finite residual term in [Formula presented], providing clear evidence for the superconducting state with an unconventional pairing. The residual term remains unchanged for samples with different [Formula presented], demonstrating the universal character of heat transport in this spin-triplet superconductor. The low-temperature behavior of [Formula presented] suggests the strong impurity scattering with a phase shift close to [Formula presented]. A criterion for the observation of universality is experimentally deduced.

Original languageEnglish (US)
Pages (from-to)4
Number of pages1
JournalPhysical review letters
Issue number22
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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