ac current in nonequilibrium mesoscopic systems
Identifieur interne : 00BA98 ( Main/Exploration ); précédent : 00BA97; suivant : 00BA99ac current in nonequilibrium mesoscopic systems
Auteurs : Jun-Ichiro Ohe [Japon] ; Kousuke Yakubo [Japon]Source :
- Computer physics communications [ 0010-4655 ] ; 2001.
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Abstract
A transfer-matrix method to study ac transport in harmonically driven mesoscopic electron systems has been developed. This method makes it possible to calculate, without consuming a large amount of computing time and memory space, nonlinear ac currents in nonequilibrium systems by means of transmission and reflection amplitudes of electrons through sideband states produced by the oscillating potential. We also discuss a way to take a thermal average of the ac current at a finite temperature under a finite dc-bias voltage. Simple applications of this method exhibit the efficiency of this numerical technique.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">ac current in nonequilibrium mesoscopic systems</title><author><name sortKey="Ohe, Jun Ichiro" sort="Ohe, Jun Ichiro" uniqKey="Ohe J" first="Jun-Ichiro" last="Ohe">Jun-Ichiro Ohe</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Applied Physics, Hokkaido University</s1><s2>Sapporo 060-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Sapporo 060-8628</wicri:noRegion></affiliation></author><author><name sortKey="Yakubo, Kousuke" sort="Yakubo, Kousuke" uniqKey="Yakubo K" first="Kousuke" last="Yakubo">Kousuke Yakubo</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Applied Physics, Hokkaido University</s1><s2>Sapporo 060-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Sapporo 060-8628</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">02-0157141</idno><date when="2001">2001</date><idno type="stanalyst">PASCAL 02-0157141 INIST</idno><idno type="RBID">Pascal:02-0157141</idno><idno type="wicri:Area/PascalFrancis/Corpus">005879</idno><idno type="wicri:Area/PascalFrancis/Curation">000860</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">005598</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">005598</idno><idno type="wicri:doubleKey">0010-4655:2001:Ohe J:ac:current:in</idno><idno type="wicri:Area/Main/Merge">00C943</idno><idno type="wicri:Area/Main/Curation">00BA98</idno><idno type="wicri:Area/Main/Exploration">00BA98</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">ac current in nonequilibrium mesoscopic systems</title><author><name sortKey="Ohe, Jun Ichiro" sort="Ohe, Jun Ichiro" uniqKey="Ohe J" first="Jun-Ichiro" last="Ohe">Jun-Ichiro Ohe</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Applied Physics, Hokkaido University</s1><s2>Sapporo 060-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Sapporo 060-8628</wicri:noRegion></affiliation></author><author><name sortKey="Yakubo, Kousuke" sort="Yakubo, Kousuke" uniqKey="Yakubo K" first="Kousuke" last="Yakubo">Kousuke Yakubo</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Applied Physics, Hokkaido University</s1><s2>Sapporo 060-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Sapporo 060-8628</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Computer physics communications</title><title level="j" type="abbreviated">Comput. phys. commun.</title><idno type="ISSN">0010-4655</idno><imprint><date when="2001">2001</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Computer physics communications</title><title level="j" type="abbreviated">Comput. phys. commun.</title><idno type="ISSN">0010-4655</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alternating current</term><term>Calculation methods</term><term>Digital simulation</term><term>Electron transport theory</term><term>Mesoscopic systems</term><term>Non equilibrium system</term><term>Oscillatory potential</term><term>Quantum transport</term><term>Transfer matrix</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Théorie transport électron</term><term>Matrice transfert</term><term>Système mésoscopique</term><term>Système hors équilibre</term><term>Transport quantique</term><term>Potentiel oscillant</term><term>Courant alternatif</term><term>Méthode calcul</term><term>Simulation numérique</term><term>7210</term><term>7323</term><term>7323A</term><term>0270</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A transfer-matrix method to study ac transport in harmonically driven mesoscopic electron systems has been developed. This method makes it possible to calculate, without consuming a large amount of computing time and memory space, nonlinear ac currents in nonequilibrium systems by means of transmission and reflection amplitudes of electrons through sideband states produced by the oscillating potential. We also discuss a way to take a thermal average of the ac current at a finite temperature under a finite dc-bias voltage. Simple applications of this method exhibit the efficiency of this numerical technique.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Ohe, Jun Ichiro" sort="Ohe, Jun Ichiro" uniqKey="Ohe J" first="Jun-Ichiro" last="Ohe">Jun-Ichiro Ohe</name></noRegion><name sortKey="Yakubo, Kousuke" sort="Yakubo, Kousuke" uniqKey="Yakubo K" first="Kousuke" last="Yakubo">Kousuke Yakubo</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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