Evidence for a New Phase of SolidHe3

1972/04/03 by D. D. Osheroff, Robert C. Richardson, D. M. Lee · 14 citations
Physics and Astronomy · Earth and Planetary Sciences · #Quantum, superfluid, helium dynamics #Atomic and Subatomic Physics Research #High-pressure geophysics and materials

paper · pdf · doi:10.1103/physrevlett.28.885

openalex publication_date 1972/04/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/26

Abstract

Measurements of the melting pressure of a sample of He³ containing less than 40-ppm He⁴ impurities, self-cooled to below 2 mK in a Pomeranchuk compression cell, indicate the existence of a new phase in solid He³ below 2.7 mK of a fundamentally different nature than the anticipated antiferromagnetically ordered state. At lower temperatures, evidence of possibly a further transition is observed. We discuss these pressure measurements and supporting temperature measurements.

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