Abstract
The physics of liquid and solid 4He in restricted geometries has motivated a number of interesting experiments. Recent experiments include detailed measurements of the phase diagram for bulk liquid in vycor [1], showing a suppression of the superfluid transition and elevation of the melting pressure, and measurements of the superfluid fraction in vycor, aerogel, and xerogel glasses near the lambda point [2], in which critical exponents differ from the pure 4He values. Many striking features in several of the experiments on helium in restricted geometries are poorly understood.
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© 1989 Springer Science+Business Media New York
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Snow, W.M., Sokol, P.E. (1989). Momentum Distributions of Liquid 4He in Aerogel Glass. In: Silver, R.N., Sokol, P.E. (eds) Momentum Distributions. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-2554-1_35
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DOI: https://doi.org/10.1007/978-1-4899-2554-1_35
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