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- Title
NMR Studies of the Dynamics of 1D 3He in 4He Plated MCM-41.
- Authors
Huan, C.; Adams, J.; Lewkowitz, M.; Masuhara, N.; Candela, D.; Sullivan, N. S.
- Abstract
Pulsed NMR techniques have been used to study the dynamics of 3 He confined to the interior of the hexagonal nanochannels of MCM-41 for which the walls were coated with a monolayer of 4 He as determined by isotherm measurements. The 3 He was added afterward to form a 1D 3 He line density of about 0.1 A - 1 , corresponding to a Fermi temperature of T F ∼ 120 mK. A distinct and appreciable departure from the Curie law was observed for the nuclear spin magnetization below 0.5 K. The temperature dependence of the nuclear spin–lattice relaxation times, T 1 , for temperatures 0.05 < T < 2.5 K, followed the expected linear behavior at low temperatures, and a peak was observed at T ∼ 2 T F consistent with the Luttinger liquid theory as predicted by Polini et al. (Phys Rev Lett 98:266403, 2007). The observed temperature dependence of the nuclear spin–spin relaxation times, T 2 , differed considerably from that observed for T 1 , with a minimum at T = 0.8 K, similar to the tendency reported by Matsushita and colleagues.
- Subjects
LUTTINGER liquids; SPIN-lattice relaxation; NUCLEAR spin; LOW temperatures; ATMOSPHERIC temperature
- Publication
Journal of Low Temperature Physics, 2020, Vol 201, Issue 1/2, p146
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-020-02358-w