The Possibility of a Liquid Superconductor
Identifieur interne : 001532 ( Main/Exploration ); précédent : 001531; suivant : 001533The Possibility of a Liquid Superconductor
Auteurs : Peter P. Edwards [Royaume-Uni] ; C. N. R. Rao [Inde] ; N. Kumar [Inde] ; A. Sasha Alexandrov [Royaume-Uni]Source :
- ChemPhysChem [ 1439-4235 ] ; 2006-09-11.
English descriptors
- Teeft :
- Alexandrov, Ambient pressure, Band dispersion, Bose, Bose particles, Boson, Carrier mass, Chemphyschem, Consolute temperature, Cooper pairing, Cooper pairs, Coulomb repulsion, Critical temperature, Cuprate, Cuprate superconductors, Cuprates, Debye temperature, Doped holes, Effective mass, Electron pairs, Elementary charge, Excess oxygen ions, Experimental evidence, Fermi, Fermi energy, Free path, Gmbh, Hall lorenz number, Intrinsic instability, Isotope, Isotope effect, Kgaa, Lattice, Lett, Lindemann criterion, Liquid ammonia, Liquid state, Liquid superconductor, Liquid superconductors, Lorenz number, Macroscopic phase separation, Many cuprates, Momentum space, Normal state, Novel superconductors, Optical phonons, Ordinary metals, Pairing, Penetration depth, Phase separation, Phonons, Phys, Physical phenomenon, Quantum fluctuations, Square displacement, Superconducting, Superconducting state, Superconducting transition temperature, Superconductivity, Superconductor, Superconductors, Superfluid, Underdoped cuprates, Unscreened interactions, Venerable system, Verlag, Verlag gmbh, Vibration modes, Weinheim, Weinheim chemphyschem.
Abstract
All superconductors are solids in their superconducting state, this canonical electronic state of matter presently having only been observed well below the melting temperature of the solid. The discovery of high‐temperature superconductivity in cuprates has widened significantly our horizons of the theoretical understanding of the physical phenomenon. A number of observations point to the possibility that superconductors with a high superconducting transition temperature may not be conventional Bardeen–Cooper–Schrieffer (BCS) superconductors, but rather derive from the Bose–Einstein condensation of real‐space pairs. While BCS superconductors exist in the solid state (probably with the exception of metallic liquid hydrogen at ultrahigh pressures), we argue here that a superconducting charged Bose liquid may be found in a true liquid state of condensed matter at ambient pressure. An experimental scenario is outlined in fluid metal–ammonia solutions for stabilizing and observing a high‐temperature superconducting liquid (ca. 230 K) or at least a vitreous superconductor in the corresponding quenched solutions (ca. 160 K).
A super prospect: It is argued that a superconducting charged Bose liquid may be found in a true liquid state of condensed matter at ambient pressure. An experimental scenario is outlined in fluid metal–ammonia solutions for stabilizing and observing a high‐temperature superconducting liquid (ca. 230 K) or a vitreous superconductor in the corresponding quenched solutions (ca. 160 K; see picture).
Url:
DOI: 10.1002/cphc.200600241
Affiliations:
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Sasha" last="Alexandrov">A. Sasha Alexandrov</name><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Physics, Loughborough University Loughborough LE11 3TU</wicri:regionArea><wicri:noRegion>Loughborough University Loughborough LE11 3TU</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">ChemPhysChem</title><title level="j" type="alt">CHEMPHYSCHEM</title><idno type="ISSN">1439-4235</idno><idno type="eISSN">1439-7641</idno><imprint><biblScope unit="vol">7</biblScope><biblScope unit="issue">9</biblScope><biblScope unit="page" from="2015">2015</biblScope><biblScope unit="page" to="2021">2021</biblScope><biblScope unit="page-count">7</biblScope><publisher>WILEY‐VCH Verlag</publisher><pubPlace>Weinheim</pubPlace><date type="published" when="2006-09-11">2006-09-11</date></imprint><idno type="ISSN">1439-4235</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1439-4235</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Alexandrov</term><term>Ambient pressure</term><term>Band dispersion</term><term>Bose</term><term>Bose particles</term><term>Boson</term><term>Carrier mass</term><term>Chemphyschem</term><term>Consolute temperature</term><term>Cooper pairing</term><term>Cooper pairs</term><term>Coulomb repulsion</term><term>Critical temperature</term><term>Cuprate</term><term>Cuprate superconductors</term><term>Cuprates</term><term>Debye temperature</term><term>Doped holes</term><term>Effective mass</term><term>Electron pairs</term><term>Elementary charge</term><term>Excess oxygen ions</term><term>Experimental evidence</term><term>Fermi</term><term>Fermi energy</term><term>Free path</term><term>Gmbh</term><term>Hall lorenz number</term><term>Intrinsic instability</term><term>Isotope</term><term>Isotope effect</term><term>Kgaa</term><term>Lattice</term><term>Lett</term><term>Lindemann criterion</term><term>Liquid ammonia</term><term>Liquid state</term><term>Liquid superconductor</term><term>Liquid superconductors</term><term>Lorenz number</term><term>Macroscopic phase separation</term><term>Many cuprates</term><term>Momentum space</term><term>Normal state</term><term>Novel superconductors</term><term>Optical phonons</term><term>Ordinary metals</term><term>Pairing</term><term>Penetration depth</term><term>Phase separation</term><term>Phonons</term><term>Phys</term><term>Physical phenomenon</term><term>Quantum fluctuations</term><term>Square displacement</term><term>Superconducting</term><term>Superconducting state</term><term>Superconducting transition temperature</term><term>Superconductivity</term><term>Superconductor</term><term>Superconductors</term><term>Superfluid</term><term>Underdoped cuprates</term><term>Unscreened interactions</term><term>Venerable system</term><term>Verlag</term><term>Verlag gmbh</term><term>Vibration modes</term><term>Weinheim</term><term>Weinheim chemphyschem</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">All superconductors are solids in their superconducting state, this canonical electronic state of matter presently having only been observed well below the melting temperature of the solid. The discovery of high‐temperature superconductivity in cuprates has widened significantly our horizons of the theoretical understanding of the physical phenomenon. A number of observations point to the possibility that superconductors with a high superconducting transition temperature may not be conventional Bardeen–Cooper–Schrieffer (BCS) superconductors, but rather derive from the Bose–Einstein condensation of real‐space pairs. While BCS superconductors exist in the solid state (probably with the exception of metallic liquid hydrogen at ultrahigh pressures), we argue here that a superconducting charged Bose liquid may be found in a true liquid state of condensed matter at ambient pressure. An experimental scenario is outlined in fluid metal–ammonia solutions for stabilizing and observing a high‐temperature superconducting liquid (ca. 230 K) or at least a vitreous superconductor in the corresponding quenched solutions (ca. 160 K).</div><div type="abstract" xml:lang="en">A super prospect: It is argued that a superconducting charged Bose liquid may be found in a true liquid state of condensed matter at ambient pressure. An experimental scenario is outlined in fluid metal–ammonia solutions for stabilizing and observing a high‐temperature superconducting liquid (ca. 230 K) or a vitreous superconductor in the corresponding quenched solutions (ca. 160 K; see picture).</div></front></TEI><affiliations><list><country><li>Inde</li><li>Royaume-Uni</li></country></list><tree><country name="Royaume-Uni"><noRegion><name sortKey="Edwards, Peter P" sort="Edwards, Peter P" uniqKey="Edwards P" first="Peter P." last="Edwards">Peter P. Edwards</name></noRegion><name sortKey="Alexandrov, A Sasha" sort="Alexandrov, A Sasha" uniqKey="Alexandrov A" first="A. Sasha" last="Alexandrov">A. Sasha Alexandrov</name></country><country name="Inde"><noRegion><name sortKey="Rao, C N R" sort="Rao, C N R" uniqKey="Rao C" first="C. N. R." last="Rao">C. N. R. Rao</name></noRegion><name sortKey="Kumar, N" sort="Kumar, N" uniqKey="Kumar N" first="N." last="Kumar">N. Kumar</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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