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Evidence for a New Phase of Solid
Phys. Rev. Lett. 28, 885 – Published 3 April, 1972
DOI: https://doi.org/10.1103/PhysRevLett.28.885
Abstract
Measurements of the melting pressure of a sample of containing less than 40-ppm impurities, self-cooled to below 2 mK in a Pomeranchuk compression cell, indicate the existence of a new phase in solid 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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Letters from the Past - A PRL Retrospective
2008 marked PRL’s 50th anniversary. As part of the celebrations a collection of milestone Letters was started. The collection contains Letters that have made long-lived contributions to physics, either by announcing significant discoveries, or by initiating new areas of research.
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