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Superfluid ultra-dense deuterium D(-1) at room temperature

Journal article
Authors Patrik U Andersson
Leif Holmlid
Published in Physics Letters A
Volume 375
Pages 1344–1347
Publication year 2011
Published at Department of Chemistry
Pages 1344–1347
Language en
Links www.sciencedirect.com/science?_ob=M...
Keywords Ultra-dense deuterium, Superfluid, Coulomb explosion, Time-of-flight, Cluster
Subject categories Physical Sciences, Surfaces and interfaces, Electronic structure, Superconductivity

Abstract

Ultra-dense deuterium D(−1) is expected to be both superfluid and superconductive. It is deposited on surfaces below a novel source producing a stream of D(−1) clusters. It is studied by laser probing and Coulomb explosions giving cluster fragments which are observed by time-of-flight measurements. It is observed on surfaces at a few cm height above the container below the source, and on the outside of the container. D(−1) is detected above a 1 cm long vertical capillary in vacuum (fountain effect). This suggests the existence of superfluid D(−1) which is the only material that may be superfluid at room temperature.

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