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Search for Superconductivity in Ultra-dense Deuterium D(−1) at Room Temperature: Depletion of D(−1) at Field Strength >0.05 T

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Abstract

Ultra-dense deuterium D(−1) is expected to be both a superfluid and a superconductor as shown by recent theoretical research. Condensed D(−1) can be deposited on surfaces by a source which produces a stream of clusters. A magnetic field strongly influences the type of material formed. Very little of D(−1) and of the form D(1), which is strongly coupled to D(−1), exists on the magnet surface or within several mm from the magnet surface. Even the formation of D(−1) on the source emitter is strongly influenced by a magnetic field, with a critical field strength in the range 0.03–0.07 T. Higher excitation levels D(2) and D(3) dominate in a magnetic field. The excitation level D(2) is now observed for the first time. The removal of D(−1) and D(1) in strong magnetic fields is proposed to be due to a Meissner effect in long D(−1) clusters by large-orbit electron motion. The lifting of long D(−1) clusters above the magnet surface is slightly larger than expected, possibly due to the coupling to D(1). The previously reported oscillation between D(−1) and D(1) in an electric field is proposed to be due to destruction of D(−1).

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Authors and Affiliations

  1. Atmospheric Science, Department of Chemistry, University of Gothenburg, 412 96, Göteborg, Sweden

    Patrik U. Andersson & Leif Holmlid

  2. University of Nevada Reno, Department of Physics, 1664 N. Virginia Street, Reno, NV, 89557-0220, USA

    Stephan Fuelling

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  1. Patrik U. Andersson
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  2. Leif Holmlid
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  3. Stephan Fuelling
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Correspondence to Leif Holmlid.

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Andersson, P.U., Holmlid, L. & Fuelling, S. Search for Superconductivity in Ultra-dense Deuterium D(−1) at Room Temperature: Depletion of D(−1) at Field Strength >0.05 T. J Supercond Nov Magn 25, 873–882 (2012). https://doi.org/10.1007/s10948-011-1371-6

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  • DOI: https://doi.org/10.1007/s10948-011-1371-6

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