Optical conductivity of a two-band superconductor
Within the two-band superconductor model, which is a generalization of the standard BCS model to the case of a complicated crystal structure, an expression has been obtained for the conductivity of the superconductor at an arbitrary frequency of the external electromagnetic field. This expression ha...
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| Veröffentlicht in: | JETP letters 2008-03, Vol.87 (6), p.299-305 |
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| creator | Arseev, P. I. Loiko, S. O. Fedorov, N. K. |
| description | Within the two-band superconductor model, which is a generalization of the standard BCS model to the case of a complicated crystal structure, an expression has been obtained for the conductivity of the superconductor at an arbitrary frequency of the external electromagnetic field. This expression has been derived using the microscopic theory in the framework of the diagram technique for nonequilibrium processes. The σ(ω) dependencies calculated for
T
= 0 are compared with the results of single-band models with the
s
and
d
symmetries of the order parameter. It has been shown that the behavior of the optical conductivity as a function of the frequency depends strongly on the doping level. |
| doi_str_mv | 10.1134/S0021364008060076 |
| format | Article |
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T
= 0 are compared with the results of single-band models with the
s
and
d
symmetries of the order parameter. It has been shown that the behavior of the optical conductivity as a function of the frequency depends strongly on the doping level.</description><identifier>ISSN: 0021-3640</identifier><identifier>EISSN: 1090-6487</identifier><identifier>DOI: 10.1134/S0021364008060076</identifier><language>eng</language><publisher>Moscow: Nauka/Interperiodica</publisher><subject>Atomic ; Biological and Medical Physics ; Biophysics ; Condensed Matter ; Molecular ; Optical and Plasma Physics ; Particle and Nuclear Physics ; Physics ; Physics and Astronomy ; Quantum Information Technology ; Solid State Physics ; Spintronics</subject><ispartof>JETP letters, 2008-03, Vol.87 (6), p.299-305</ispartof><rights>Pleiades Publishing, Ltd. 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c288t-9e8bb9d41d76aa971ef47c4f84ce77c3549edb95d854a084ce2b8fd578e8e53c3</citedby><cites>FETCH-LOGICAL-c288t-9e8bb9d41d76aa971ef47c4f84ce77c3549edb95d854a084ce2b8fd578e8e53c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S0021364008060076$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S0021364008060076$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Arseev, P. I.</creatorcontrib><creatorcontrib>Loiko, S. O.</creatorcontrib><creatorcontrib>Fedorov, N. K.</creatorcontrib><title>Optical conductivity of a two-band superconductor</title><title>JETP letters</title><addtitle>Jetp Lett</addtitle><description>Within the two-band superconductor model, which is a generalization of the standard BCS model to the case of a complicated crystal structure, an expression has been obtained for the conductivity of the superconductor at an arbitrary frequency of the external electromagnetic field. This expression has been derived using the microscopic theory in the framework of the diagram technique for nonequilibrium processes. The σ(ω) dependencies calculated for
T
= 0 are compared with the results of single-band models with the
s
and
d
symmetries of the order parameter. It has been shown that the behavior of the optical conductivity as a function of the frequency depends strongly on the doping level.</description><subject>Atomic</subject><subject>Biological and Medical Physics</subject><subject>Biophysics</subject><subject>Condensed Matter</subject><subject>Molecular</subject><subject>Optical and Plasma Physics</subject><subject>Particle and Nuclear Physics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Information Technology</subject><subject>Solid State Physics</subject><subject>Spintronics</subject><issn>0021-3640</issn><issn>1090-6487</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9j01LxDAQhoMoWFd_gLf-gehMkzbJURa_YGEP6rmk-ZAua1OSVNl_b8vuTfA0MM_7DPMScotwh8j4_RtAhazhABIaANGckQJBAW24FOekWDBd-CW5SmkHgCiZKAhux9wbvS9NGOxkcv_d50MZfKnL_BNopwdbpml08cRDvCYXXu-TuznNFfl4enxfv9DN9vl1_bChppIyU-Vk1ynL0YpGayXQeS4M95IbJ4RhNVfOdqq2suYalm3VSW9rIZ10NTNsRfB418SQUnS-HWP_peOhRWiXzu2fzrNTHZ00Z4dPF9tdmOIwv_mP9AtgO1i3</recordid><startdate>20080301</startdate><enddate>20080301</enddate><creator>Arseev, P. I.</creator><creator>Loiko, S. O.</creator><creator>Fedorov, N. K.</creator><general>Nauka/Interperiodica</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20080301</creationdate><title>Optical conductivity of a two-band superconductor</title><author>Arseev, P. I. ; Loiko, S. O. ; Fedorov, N. K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c288t-9e8bb9d41d76aa971ef47c4f84ce77c3549edb95d854a084ce2b8fd578e8e53c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Atomic</topic><topic>Biological and Medical Physics</topic><topic>Biophysics</topic><topic>Condensed Matter</topic><topic>Molecular</topic><topic>Optical and Plasma Physics</topic><topic>Particle and Nuclear Physics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Information Technology</topic><topic>Solid State Physics</topic><topic>Spintronics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Arseev, P. I.</creatorcontrib><creatorcontrib>Loiko, S. O.</creatorcontrib><creatorcontrib>Fedorov, N. K.</creatorcontrib><collection>CrossRef</collection><jtitle>JETP letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Arseev, P. I.</au><au>Loiko, S. O.</au><au>Fedorov, N. K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optical conductivity of a two-band superconductor</atitle><jtitle>JETP letters</jtitle><stitle>Jetp Lett</stitle><date>2008-03-01</date><risdate>2008</risdate><volume>87</volume><issue>6</issue><spage>299</spage><epage>305</epage><pages>299-305</pages><issn>0021-3640</issn><eissn>1090-6487</eissn><abstract>Within the two-band superconductor model, which is a generalization of the standard BCS model to the case of a complicated crystal structure, an expression has been obtained for the conductivity of the superconductor at an arbitrary frequency of the external electromagnetic field. This expression has been derived using the microscopic theory in the framework of the diagram technique for nonequilibrium processes. The σ(ω) dependencies calculated for
T
= 0 are compared with the results of single-band models with the
s
and
d
symmetries of the order parameter. It has been shown that the behavior of the optical conductivity as a function of the frequency depends strongly on the doping level.</abstract><cop>Moscow</cop><pub>Nauka/Interperiodica</pub><doi>10.1134/S0021364008060076</doi><tpages>7</tpages></addata></record> |
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| ispartof | JETP letters, 2008-03, Vol.87 (6), p.299-305 |
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| subjects | Atomic Biological and Medical Physics Biophysics Condensed Matter Molecular Optical and Plasma Physics Particle and Nuclear Physics Physics Physics and Astronomy Quantum Information Technology Solid State Physics Spintronics |
| title | Optical conductivity of a two-band superconductor |
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