Technical Comments

Quasiparticles and Thermal Conductivity

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Science  03 Apr 1998:
Vol. 280, Issue 5360, pp. 11
DOI: 10.1126/science.280.5360.11a


  • Figure 1

    Field-dependence of thermal conductivity atT = 8.4K. Field was ramped up and down in the directions indicated by arrows. Schematic field profile in the sample for the two ramping directions (demagnetization effects are neglected) is shown.

  • Figure 1

    Comparison of κ measured in increasing (solid symbols) and decreasing (open symbols) fields at 8, 15, and 20 K in Sample 1. Inset shows the temperature dependence of Δκ expressed as a fraction of the zero-field κ(0) at each T (vertical bar indicates the uncertainty).

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