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Observability of a projected new state of matter: A metallic superfluid
2005 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 95, no 10Article in journal (Refereed) Published
Abstract [en]

Dissipationless quantum states, such as superconductivity and superfluidity, have attracted interest for almost a century. A variety of systems exhibit these macroscopic quantum phenomena, ranging from superconducting electrons in metals to superfluid liquids, atomic vapors, and even large nuclei. It was recently suggested that liquid metallic hydrogen could form two new and unusual dissipationless quantum states, namely, the metallic superfluid and the superconducting superfluid. Liquid metallic hydrogen is projected to occur only at an extremely high pressure of about 400 GPa, with pressures on hydrogen of 320 GPa having already been reported. The issue to be addressed is whether this state could be experimentally observable in principle. We propose four experimental probes for detecting it.

Place, publisher, year, edition, pages
2005. Vol. 95, no 10
Keyword [en]
hydrogen, superconductor
URN: urn:nbn:se:kth:diva-15014DOI: 10.1103/PhysRevLett.95.105301ISI: 000231615700026OAI: diva2:333055
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Babaev, Egor
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