Dimensional Reduction of Helium-4 Inside Argon Plated MCM-41 Nanopores
Nathan Nichols,
Timothy R. Prisk,
Garfield Warren
et al.
Abstract:The angstrom-scale coherence length describing the superfluid wavefunction of 4 He at low temperatures has prevented its preparation in a truly one-dimensional geometry. Mesoporous ordered silica-based structures, such as the molecular sieve MCM-41, offer a promising avenue towards physical confinement, but the minimal pore diameters that can be chemically synthesized have proven to be too large to reach the quasi-one-dimensional limit. We present an active nano-engineering approach to this problem by pre-plat… Show more
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