Magnon thermal conductivity of solid He3 in the U2D2 antiferromagnetic phase

Y. P. Feng; P. Schiffer; J. Mihalisin; D. D. Osheroff

doi:10.1103/PhysRevLett.65.1450

Magnon thermal conductivity of solid He3 in the U2D2 antiferromagnetic phase

Y. P. Feng, P. Schiffer, J. Mihalisin, D. D. Osheroff

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21 Scopus citations

Abstract

We report the first measurement of magnon thermal conductivity in monodomain single crystals of He3 in the U2D2 antiferromagnetic phase. The magnon mean free path was found first to rise rapidly upon cooling below TN and then more slowly at low temperatures, depending on the sample. The temperature dependence is consistent with magnon umklapp scattering at high T, i.e.,proportional to T-2 expkBT), with determined to be 5.8 mK. The limiting low-temperature values of varied from 0.3 to 3 m.

Original language	English (US)
Pages (from-to)	1450-1453
Number of pages	4
Journal	Physical review letters
Volume	65
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.65.1450
State	Published - 1990
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.65.1450

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title = "Magnon thermal conductivity of solid He3 in the U2D2 antiferromagnetic phase",

abstract = "We report the first measurement of magnon thermal conductivity in monodomain single crystals of He3 in the U2D2 antiferromagnetic phase. The magnon mean free path was found first to rise rapidly upon cooling below TN and then more slowly at low temperatures, depending on the sample. The temperature dependence is consistent with magnon umklapp scattering at high T, i.e.,proportional to T-2 expkBT), with determined to be 5.8 mK. The limiting low-temperature values of varied from 0.3 to 3 m.",

author = "Feng, {Y. P.} and P. Schiffer and J. Mihalisin and Osheroff, {D. D.}",

year = "1990",

doi = "10.1103/PhysRevLett.65.1450",

language = "English (US)",

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T1 - Magnon thermal conductivity of solid He3 in the U2D2 antiferromagnetic phase

AU - Feng, Y. P.

AU - Schiffer, P.

AU - Mihalisin, J.

AU - Osheroff, D. D.

PY - 1990

Y1 - 1990

N2 - We report the first measurement of magnon thermal conductivity in monodomain single crystals of He3 in the U2D2 antiferromagnetic phase. The magnon mean free path was found first to rise rapidly upon cooling below TN and then more slowly at low temperatures, depending on the sample. The temperature dependence is consistent with magnon umklapp scattering at high T, i.e.,proportional to T-2 expkBT), with determined to be 5.8 mK. The limiting low-temperature values of varied from 0.3 to 3 m.

AB - We report the first measurement of magnon thermal conductivity in monodomain single crystals of He3 in the U2D2 antiferromagnetic phase. The magnon mean free path was found first to rise rapidly upon cooling below TN and then more slowly at low temperatures, depending on the sample. The temperature dependence is consistent with magnon umklapp scattering at high T, i.e.,proportional to T-2 expkBT), with determined to be 5.8 mK. The limiting low-temperature values of varied from 0.3 to 3 m.

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JO - Physical review letters

JF - Physical review letters

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ER -

Magnon thermal conductivity of solid He3 in the U2D2 antiferromagnetic phase

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