Charge density waves as the origin of dip-hump structures in the differential tunneling conductance of cuprates: The case of d-wave superconductivity
Quasiparticle differential current-voltage characteristics (CVCs) G(V)G(V) of non-symmetric tunnel junctions between d -wave superconductors with charge-density waves (CDWs) and normal metals were calculated. The dependences G(V)G(V) were shown to have a V-like form at small voltages V and low tempe...
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| Veröffentlicht in: | Physica. C, Superconductivity Superconductivity, 2014-08, Vol.503, p.7-13 |
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| creator | GABOVICH, Alexander M VOITENKO, Alexander I |
| description | Quasiparticle differential current-voltage characteristics (CVCs) G(V)G(V) of non-symmetric tunnel junctions between d -wave superconductors with charge-density waves (CDWs) and normal metals were calculated. The dependences G(V)G(V) were shown to have a V-like form at small voltages V and low temperatures, and to be asymmetric at larger V owing to the presence of CDW peak in either of the V-branches. The spatial scatter of the dielectric (CDW) order parameter smears the CDW peak into a hump and induces a peak-dip-hump structure (PDHS) typical of CVCs observed for such junctions. At temperatures larger than the superconducting critical one, the PDHS evolves into a pseudogap depression. The results agree well with the scanning tunneling microscopy data for Bi sub(2)Sr sub(2)CaCu sub(2)O sub(8+ delta ) and YBa sub(2)Cu sub(3)O sub(7- delta ). The results differ substantially from those obtained earlier for CDW s-wave superconductors. |
| doi_str_mv | 10.1016/j.physc.2014.05.001 |
| format | Article |
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The dependences G(V)G(V) were shown to have a V-like form at small voltages V and low temperatures, and to be asymmetric at larger V owing to the presence of CDW peak in either of the V-branches. The spatial scatter of the dielectric (CDW) order parameter smears the CDW peak into a hump and induces a peak-dip-hump structure (PDHS) typical of CVCs observed for such junctions. At temperatures larger than the superconducting critical one, the PDHS evolves into a pseudogap depression. The results agree well with the scanning tunneling microscopy data for Bi sub(2)Sr sub(2)CaCu sub(2)O sub(8+ delta ) and YBa sub(2)Cu sub(3)O sub(7- delta ). 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C, Superconductivity, 2014-08, Vol.503, p.7-13</ispartof><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c378t-d4e28d5b033e9e755abe54efae85f76ecdef849729a20316500f43376b68169c3</citedby><cites>FETCH-LOGICAL-c378t-d4e28d5b033e9e755abe54efae85f76ecdef849729a20316500f43376b68169c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28674230$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>GABOVICH, Alexander M</creatorcontrib><creatorcontrib>VOITENKO, Alexander I</creatorcontrib><title>Charge density waves as the origin of dip-hump structures in the differential tunneling conductance of cuprates: The case of d-wave superconductivity</title><title>Physica. C, Superconductivity</title><description>Quasiparticle differential current-voltage characteristics (CVCs) G(V)G(V) of non-symmetric tunnel junctions between d -wave superconductors with charge-density waves (CDWs) and normal metals were calculated. The dependences G(V)G(V) were shown to have a V-like form at small voltages V and low temperatures, and to be asymmetric at larger V owing to the presence of CDW peak in either of the V-branches. The spatial scatter of the dielectric (CDW) order parameter smears the CDW peak into a hump and induces a peak-dip-hump structure (PDHS) typical of CVCs observed for such junctions. At temperatures larger than the superconducting critical one, the PDHS evolves into a pseudogap depression. The results agree well with the scanning tunneling microscopy data for Bi sub(2)Sr sub(2)CaCu sub(2)O sub(8+ delta ) and YBa sub(2)Cu sub(3)O sub(7- delta ). The results differ substantially from those obtained earlier for CDW s-wave superconductors.</description><subject>Asymmetry</subject><subject>CHARGE DENSITY</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Conductance</subject><subject>COPPER OXIDE</subject><subject>CUPROUS OXIDE</subject><subject>Electric potential</subject><subject>ELECTRICAL CONDUCTIVITY</subject><subject>Exact sciences and technology</subject><subject>MATHEMATICAL ANALYSIS</subject><subject>Physics</subject><subject>Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions</subject><subject>Scanning tunneling microscopy</subject><subject>SUPERCONDUCTIVITY</subject><subject>SUPERCONDUCTORS</subject><subject>Tunneling</subject><subject>YTTRIUM OXIDE</subject><issn>0921-4534</issn><issn>1873-2143</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNo9kc9q3DAQxkVpIdskT5CLLoVe7EiW5D-5laVpAwu5JGehlUe7Wryyo5FT9kH6vpGTJboMaH7fzPB9hNxwVnLG69tDOe1PaMuKcVkyVTLGv5AVbxtRVFyKr2TFuooXUgl5Qb4jHlh-vOMr8n-9N3EHtIeAPp3oP_MKSA3StAc6Rr_zgY6O9n4q9vNxopjibNMcM5Q7C9R75yBCSN4MNM0hwODDjtox9Jk0wcIywM5TNAnwjj5ljTX4_tsXyz6K8wTxLPCv-Ywr8s2ZAeH6XC_J8_3vp_XfYvP452H9a1NY0bSp6CVUba-2TAjooFHKbEFJcAZa5ZoabA-ulV1TdaZigteKMSeFaOpt3fK6s-KS_PyYO8XxZQZM-ujRwjCYAOOMmtcNV9lA1mVUfKA2jogRnJ6iP5p40pzpJQR90O8h6CUEzZTODmfVj_MCg9YMLmY_PH5Kq7ZuZCWYeAPXC4yG</recordid><startdate>20140815</startdate><enddate>20140815</enddate><creator>GABOVICH, Alexander M</creator><creator>VOITENKO, Alexander I</creator><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140815</creationdate><title>Charge density waves as the origin of dip-hump structures in the differential tunneling conductance of cuprates: The case of d-wave superconductivity</title><author>GABOVICH, Alexander M ; VOITENKO, Alexander I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-d4e28d5b033e9e755abe54efae85f76ecdef849729a20316500f43376b68169c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Asymmetry</topic><topic>CHARGE DENSITY</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Conductance</topic><topic>COPPER OXIDE</topic><topic>CUPROUS OXIDE</topic><topic>Electric potential</topic><topic>ELECTRICAL CONDUCTIVITY</topic><topic>Exact sciences and technology</topic><topic>MATHEMATICAL ANALYSIS</topic><topic>Physics</topic><topic>Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions</topic><topic>Scanning tunneling microscopy</topic><topic>SUPERCONDUCTIVITY</topic><topic>SUPERCONDUCTORS</topic><topic>Tunneling</topic><topic>YTTRIUM OXIDE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GABOVICH, Alexander M</creatorcontrib><creatorcontrib>VOITENKO, Alexander I</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica. C, Superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GABOVICH, Alexander M</au><au>VOITENKO, Alexander I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Charge density waves as the origin of dip-hump structures in the differential tunneling conductance of cuprates: The case of d-wave superconductivity</atitle><jtitle>Physica. C, Superconductivity</jtitle><date>2014-08-15</date><risdate>2014</risdate><volume>503</volume><spage>7</spage><epage>13</epage><pages>7-13</pages><issn>0921-4534</issn><eissn>1873-2143</eissn><abstract>Quasiparticle differential current-voltage characteristics (CVCs) G(V)G(V) of non-symmetric tunnel junctions between d -wave superconductors with charge-density waves (CDWs) and normal metals were calculated. The dependences G(V)G(V) were shown to have a V-like form at small voltages V and low temperatures, and to be asymmetric at larger V owing to the presence of CDW peak in either of the V-branches. The spatial scatter of the dielectric (CDW) order parameter smears the CDW peak into a hump and induces a peak-dip-hump structure (PDHS) typical of CVCs observed for such junctions. At temperatures larger than the superconducting critical one, the PDHS evolves into a pseudogap depression. The results agree well with the scanning tunneling microscopy data for Bi sub(2)Sr sub(2)CaCu sub(2)O sub(8+ delta ) and YBa sub(2)Cu sub(3)O sub(7- delta ). The results differ substantially from those obtained earlier for CDW s-wave superconductors.</abstract><cop>Amsterdam</cop><pub>Elsevier</pub><doi>10.1016/j.physc.2014.05.001</doi><tpages>7</tpages></addata></record> |
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| ispartof | Physica. C, Superconductivity, 2014-08, Vol.503, p.7-13 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Asymmetry CHARGE DENSITY Condensed matter: electronic structure, electrical, magnetic, and optical properties Conductance COPPER OXIDE CUPROUS OXIDE Electric potential ELECTRICAL CONDUCTIVITY Exact sciences and technology MATHEMATICAL ANALYSIS Physics Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions Scanning tunneling microscopy SUPERCONDUCTIVITY SUPERCONDUCTORS Tunneling YTTRIUM OXIDE |
| title | Charge density waves as the origin of dip-hump structures in the differential tunneling conductance of cuprates: The case of d-wave superconductivity |
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