IndiumV3, Main, Repository, bibRecord, 001396

Textured superconductivity in the presence of a coexisting order: Ce115s and other heavy-fermion compounds

Identifieur interne : 001396 ( Main/Repository ); précédent : 001395; suivant : 001397

Textured superconductivity in the presence of a coexisting order: Ce115s and other heavy-fermion compounds

Auteurs : RBID : Pascal:12-0407503

Descripteurs français

Pascal (Inist)
- Texture, Supraconductivité, Système électrons fortement corrélés, Brisure symétrie, Liquide électron, Transition supraconductrice, Ordre magnétique, Ordre longue distance, Coexistence, Anisotropie, Chaleur massique, Antiferromagnétisme, Supraconducteur fermion lourd, Cérium alliage, Rhodium alliage, Indium alliage, Réseau quadratique, CeRhIn5, Cristal nématique électron.

English descriptors

KwdEn :
- Anisotropy, Antiferromagnetism, Cerium alloys, Coexistence, Electron liquid, Heavy fermion superconductors, Indium alloys, Long-range order, Magnetic ordering, Rhodium alloys, Specific heat, Strongly correlated electron systems, Superconducting transitions, Superconductivity, Symmetry breaking, Tetragonal lattices, Texture.

Abstract

Superconductivity in strongly correlated electron systems frequently emerges in proximity to another broken symmetry. In heavy-electron superconductors, the nearby ordered state most commonly is magnetism, and the so-called Ce115 heavy-electron compounds have been particularly instructive for revealing new relationships between magnetism and superconductivity. From measurements of the resistive and bulk transitions to superconductivity in these materials, we find that the resistive transition appears at a temperature considerably higher than the bulk transition when superconductivity and magnetic order coexist, but this temperature difference disappears in the absence of long-range magnetic order. Further, in the pressure-temperature region of coexistence in CeRhIn₅, a new anisotropy in the resistive transition develops even though the tetragonal crystal structure apparently remains unchanged, implying a form of textured superconductivity. We suggest that this texture may be a generic response to coexisting order in these and other heavy-fermion superconductors.

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Pascal:12-0407503

Le document en format XML

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<author><name sortKey="Park, Tuson" uniqKey="Park T">Tuson Park</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics, Sungkyunkwan University</s1>
<s2>Suwon 440-746</s2>
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<country>Corée du Sud</country>
<wicri:noRegion>Suwon 440-746</wicri:noRegion>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Los Alamos National Laboratory, MS K764</s1>
<s2>Los Alamos, NM 87545</s2>
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<country>États-Unis</country>
<placeName><region type="state">État du Mississippi</region>
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<author><name>XIN LU</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Los Alamos National Laboratory, MS K764</s1>
<s2>Los Alamos, NM 87545</s2>
<s3>USA</s3>
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<country>États-Unis</country>
<placeName><region type="state">État du Mississippi</region>
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</author>
<author><name sortKey="Lee, Han Oh" uniqKey="Lee H">Han-Oh Lee</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Los Alamos National Laboratory, MS K764</s1>
<s2>Los Alamos, NM 87545</s2>
<s3>USA</s3>
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<country>États-Unis</country>
<placeName><region type="state">État du Mississippi</region>
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<author><name sortKey="Thompson, J D" uniqKey="Thompson J">J. D. Thompson</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Los Alamos National Laboratory, MS K764</s1>
<s2>Los Alamos, NM 87545</s2>
<s3>USA</s3>
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<seriesStmt><idno type="ISSN">0921-4534</idno>
<title level="j" type="abbreviated">Phys., C Supercond.</title>
<title level="j" type="main">Physica. C. Superconductivity</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anisotropy</term>
<term>Antiferromagnetism</term>
<term>Cerium alloys</term>
<term>Coexistence</term>
<term>Electron liquid</term>
<term>Heavy fermion superconductors</term>
<term>Indium alloys</term>
<term>Long-range order</term>
<term>Magnetic ordering</term>
<term>Rhodium alloys</term>
<term>Specific heat</term>
<term>Strongly correlated electron systems</term>
<term>Superconducting transitions</term>
<term>Superconductivity</term>
<term>Symmetry breaking</term>
<term>Tetragonal lattices</term>
<term>Texture</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Texture</term>
<term>Supraconductivité</term>
<term>Système électrons fortement corrélés</term>
<term>Brisure symétrie</term>
<term>Liquide électron</term>
<term>Transition supraconductrice</term>
<term>Ordre magnétique</term>
<term>Ordre longue distance</term>
<term>Coexistence</term>
<term>Anisotropie</term>
<term>Chaleur massique</term>
<term>Antiferromagnétisme</term>
<term>Supraconducteur fermion lourd</term>
<term>Cérium alliage</term>
<term>Rhodium alliage</term>
<term>Indium alliage</term>
<term>Réseau quadratique</term>
<term>CeRhIn5</term>
<term>Cristal nématique électron</term>
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<front><div type="abstract" xml:lang="en">Superconductivity in strongly correlated electron systems frequently emerges in proximity to another broken symmetry. In heavy-electron superconductors, the nearby ordered state most commonly is magnetism, and the so-called Ce115 heavy-electron compounds have been particularly instructive for revealing new relationships between magnetism and superconductivity. From measurements of the resistive and bulk transitions to superconductivity in these materials, we find that the resistive transition appears at a temperature considerably higher than the bulk transition when superconductivity and magnetic order coexist, but this temperature difference disappears in the absence of long-range magnetic order. Further, in the pressure-temperature region of coexistence in CeRhIn<sub>5</sub>
, a new anisotropy in the resistive transition develops even though the tetragonal crystal structure apparently remains unchanged, implying a form of textured superconductivity. We suggest that this texture may be a generic response to coexisting order in these and other heavy-fermion superconductors.</div>
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<fC01 i1="01" l="ENG"><s0>Superconductivity in strongly correlated electron systems frequently emerges in proximity to another broken symmetry. In heavy-electron superconductors, the nearby ordered state most commonly is magnetism, and the so-called Ce115 heavy-electron compounds have been particularly instructive for revealing new relationships between magnetism and superconductivity. From measurements of the resistive and bulk transitions to superconductivity in these materials, we find that the resistive transition appears at a temperature considerably higher than the bulk transition when superconductivity and magnetic order coexist, but this temperature difference disappears in the absence of long-range magnetic order. Further, in the pressure-temperature region of coexistence in CeRhIn<sub>5</sub>
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Textured superconductivity in the presence of a coexisting order: Ce115s and other heavy-fermion compounds

Textured superconductivity in the presence of a coexisting order: Ce115s and other heavy-fermion compounds

Descripteurs français

English descriptors

Abstract

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