Phys. Rev. Lett. 44, 792–795 (1980)Nuclear Antiferromagnetic Resonance in Solid 3HeReceived 1 February 1980; published in the issue dated 24 March 1980 Detailed measurements of the low-field antiferromagnetic resonance spectrum of spin-ordered bcc 3He exhibit large shifts from the Larmor frequency, with a zero-field resonant frequency near zero temperature of Ω0/2π≃825 kHz. Analysis of the spectrum leads to stringent constraints on possible sublattice structures. The temperature dependence of Ω0 shows low-temperature behavior expected from spin-wave theory, and indicates a first-order transition at 1.03 mK. © 1980 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.44.792
DOI:
10.1103/PhysRevLett.44.792
PACS:
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