Thermal Hall conductivity and long-lived quasiparticles in CeCoIn5
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Abstract
In CeCoIn5, the thermal conductivity Kxx and Hall conductivity kxy, below Tc display large anomalies below Tc. The strong suppression of the anomalies in weak fields implies the existence of long-lived quasiparticles. We also discuss briefly the Wiedemann-Franz ratio and the existence of a strongly field-dependent spin-fluctuation heat current.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Thermal Hall conductivity and long-lived quasiparticles in CeCoIn<sub>5</sub></title><author><name sortKey="Onose, Y" uniqKey="Onose Y">Y. Onose</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Physics, Princeton University</s1><s2>Princeton, NJ 08544</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Princeton (New Jersey)</settlement><region type="state">New Jersey</region></placeName><orgName type="university">Université de Princeton</orgName></affiliation></author><author><name sortKey="Ong, N P" uniqKey="Ong N">N. P. Ong</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Department of Physics, Princeton University</s1><s2>Princeton, NJ 08544</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Princeton (New Jersey)</settlement><region type="state">New Jersey</region></placeName><orgName type="university">Université de Princeton</orgName></affiliation></author><author><name sortKey="Petrovic, C" uniqKey="Petrovic C">C. Petrovic</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics, Brookhaven National Laboratory</s1><s2>Upton, NY 11973</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Upton, NY 11973</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">07-0460498</idno><date when="2007">2007</date><idno type="stanalyst">PASCAL 07-0460498 INIST</idno><idno type="RBID">Pascal:07-0460498</idno><idno type="wicri:Area/Main/Corpus">007343</idno><idno type="wicri:Area/Main/Repository">006E47</idno></publicationStmt><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></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anomaly</term><term>Cerium alloys</term><term>Cobalt alloys</term><term>Hall conductivity</term><term>Heavy fermion superconductors</term><term>Indium alloys</term><term>Quasiparticles</term><term>Spin fluctuations</term><term>Thermal conductivity</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Conductivité thermique</term><term>Conductivité Hall</term><term>Quasiparticule</term><term>Anomalie</term><term>Fluctuation spin</term><term>Cérium alliage</term><term>Cobalt alliage</term><term>Indium alliage</term><term>Supraconducteur fermion lourd</term><term>CeCoIn5</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In CeCoIn<sub>5</sub>, the thermal conductivity K<sub>xx</sub> and Hall conductivity k<sub>xy</sub>, below T<sub>c</sub> display large anomalies below T<sub>c</sub>. The strong suppression of the anomalies in weak fields implies the existence of long-lived quasiparticles. We also discuss briefly the Wiedemann-Franz ratio and the existence of a strongly field-dependent spin-fluctuation heat current.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0921-4534</s0></fA01><fA03 i2="1"><s0>Phys., C Supercond.</s0></fA03><fA05><s2>460-462</s2></fA05><fA06><s2>1</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Thermal Hall conductivity and long-lived quasiparticles in CeCoIn<sub>5</sub></s1></fA08><fA09 i1="01" i2="1" l="ENG"><s1>Proceedings of the 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors - M2S-HTSC VIII, Dresden, Germany, July 9-14, 2006. Part 1</s1></fA09><fA11 i1="01" i2="1"><s1>ONOSE (Y.)</s1></fA11><fA11 i1="02" i2="1"><s1>ONG (N. P.)</s1></fA11><fA11 i1="03" i2="1"><s1>PETROVIC (C.)</s1></fA11><fA12 i1="01" i2="1"><s1>BÜCHNER (Bernd)</s1><s9>ed.</s9></fA12><fA12 i1="02" i2="1"><s1>FINK (Jörg)</s1><s9>ed.</s9></fA12><fA14 i1="01"><s1>Department of Physics, Princeton University</s1><s2>Princeton, NJ 08544</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Physics, Brookhaven National Laboratory</s1><s2>Upton, NY 11973</s2><s3>USA</s3><sZ>3 aut.</sZ></fA14><fA20><s1>676-677</s1></fA20><fA21><s1>2007</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>145C</s2><s5>354000149761962440</s5></fA43><fA44><s0>0000</s0><s1>© 2007 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>8 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>07-0460498</s0></fA47><fA60><s1>P</s1><s2>C</s2></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Physica. C. Superconductivity</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>In CeCoIn<sub>5</sub>, the thermal conductivity K<sub>xx</sub> and Hall conductivity k<sub>xy</sub>, below T<sub>c</sub> display large anomalies below T<sub>c</sub>. The strong suppression of the anomalies in weak fields implies the existence of long-lived quasiparticles. We also discuss briefly the Wiedemann-Franz ratio and the existence of a strongly field-dependent spin-fluctuation heat current.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70D70T</s0></fC02><fC02 i1="02" i2="3"><s0>001B70D25F</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Conductivité thermique</s0><s5>02</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Thermal conductivity</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Conductivité Hall</s0><s5>03</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Hall conductivity</s0><s5>03</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Conductividad Hall</s0><s5>03</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Quasiparticule</s0><s5>04</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Quasiparticles</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Anomalie</s0><s5>05</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Anomaly</s0><s5>05</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Anomalía</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Fluctuation spin</s0><s5>07</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Spin fluctuations</s0><s5>07</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Cérium alliage</s0><s5>15</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Cerium alloys</s0><s5>15</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Cobalt alliage</s0><s5>16</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Cobalt alloys</s0><s5>16</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Indium alliage</s0><s5>17</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Indium alloys</s0><s5>17</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Supraconducteur fermion lourd</s0><s5>19</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Heavy fermion superconductors</s0><s5>19</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>CeCoIn5</s0><s4>INC</s4><s5>52</s5></fC03><fN21><s1>302</s1></fN21></pA><pR><fA30 i1="01" i2="1" l="ENG"><s1>M2S-HTSC VIII : International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors</s1><s2>8</s2><s3>Dresden DEU</s3><s4>2006-07-09</s4></fA30></pR></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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