Lattice Relaxation of<sup>4</sup>He with<sup>3</sup>He Impurities: NMR Studies

Candela, D.; Huan, Chao; Kim, S S; Yin, Liang; Xia, J. S.; Sullivan, N. S.

doi:10.1088/1742-6596/568/1/012017

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Phase Separation Temperatures1

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“…The phase transitions can be accurately determined from measurements of the NMR amplitudes. 15,20 Because of the small nuclear spin susceptibility of the degenerate Fermi liquid in the nearly pure 3 He droplets, one observes a sharp drop in the NMR amplitudes at the phase transition. This change in the NMR amplitudes is illustrated for several x 3 concentrations in Fig.…”

Section: Phase Separation Temperaturesmentioning

confidence: 99%

Phase separation in dilute solutions ofHe3in solidHe4

et al. 2017

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We report the results of studies of the phase separation of solid solutions of dilute concentrations of 3 He in 4 He. The temperatures and the kinetics of the phase separation were determined from NMR experiments for 3 He concentrations 1.6 × 10 −5 < x 3 < 2.0 × 10 −3 . The experimentally observed phase separation temperatures are found to be in excellent agreement with regular solution theory as augmented by Edwards and Balibar [Phys.Rev. B39,4083(1989)]. The growth of 3 He droplets shows a t

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Section: Phase Separation Temperaturesmentioning

confidence: 99%