Effects of intra-site Coulomb interaction on quantized conductance in a quantum wire between an STM tip and a metal surface
Effects of the intra-site Coulomb interaction between electrons on the quantized conductance in a quantum wire are investigated with the aid of the Hubbard Hamiltonian. The second-order self-energy with respect to the Coulomb interaction is taken into account within a single site approximation for c...
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| Veröffentlicht in: | Surface science 1998-07, Vol.409 (2), p.L709-L714 |
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| container_end_page | L714 |
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| container_issue | 2 |
| container_start_page | L709 |
| container_title | Surface science |
| container_volume | 409 |
| creator | Kawahito, Y. Kasai, H. Nakanishi, H. Okiji, A. |
| description | Effects of the intra-site Coulomb interaction between electrons on the quantized conductance in a quantum wire are investigated with the aid of the Hubbard Hamiltonian. The second-order self-energy with respect to the Coulomb interaction is taken into account within a single site approximation for calculating the conductance of a quantum wire. Owing to inter- and intra-subband electron–electron scattering at finite temperatures caused by the Coulomb interaction, the conductance is found to deviate from the quantized value, 2
Ne
2/
h (where
N is an integer). Furthermore, in the case where the subband edge lies energetically near the Fermi energy, the valley appears in the conductance as a function of the stretching length of the wire. |
| doi_str_mv | 10.1016/S0039-6028(98)00321-5 |
| format | Article |
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Ne
2/
h (where
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Ne
2/
h (where
N is an integer). Furthermore, in the case where the subband edge lies energetically near the Fermi energy, the valley appears in the conductance as a function of the stretching length of the wire.</description><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Contacts</subject><subject>Electrical transport</subject><subject>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</subject><subject>Electronic transport in interface structures</subject><subject>Exact sciences and technology</subject><subject>Physics</subject><subject>Quantum effects</subject><subject>STM</subject><subject>Tunneling</subject><issn>0039-6028</issn><issn>1879-2758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLxDAQgIMouD5-gpCDiB6qaV7bnkSW9QErHtRzSNMJRNpmTVJF_fNm3WWvhkAmk29myIfQSUkuS1LKq2dCWF1IQqvzurrIF1oWYgdNympaF3Qqql002SL76CDGN5IXr8UE_cytBZMi9ha7IQVdRJcAz_zY-b5ZpSBok5wfcN7vox6S-4YWGz-0o0l6MJAhrNdPY48_XQDcQPoEyOkBP7884uSWOWwz1UPSHY5jsNrAEdqzuotwvDkP0evt_GV2Xyye7h5mN4vCcMZS0UgGujQUKBBuiWw5t3XJha0lAcMaOqUgpo2RoiFMaCslsZQTK4UGbi1jh-hs3XcZ_PsIManeRQNdpwfwY1RZEZOM0wyKNWiCjzGAVcvgeh2-VEnUSrX6U61WHlVdqT_VSuS6080AHY3ubMhaXNwWU8YqJlftr9cY5M9-OAgqGgfZYJudmaRa7_4Z9AvbiZPU</recordid><startdate>19980701</startdate><enddate>19980701</enddate><creator>Kawahito, Y.</creator><creator>Kasai, H.</creator><creator>Nakanishi, H.</creator><creator>Okiji, A.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19980701</creationdate><title>Effects of intra-site Coulomb interaction on quantized conductance in a quantum wire between an STM tip and a metal surface</title><author>Kawahito, Y. ; Kasai, H. ; Nakanishi, H. ; Okiji, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c433t-b63ea1c2e2e04f06d44f9145f960ec3b272e57bc65b035af660f240f65ae4ff33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Contacts</topic><topic>Electrical transport</topic><topic>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</topic><topic>Electronic transport in interface structures</topic><topic>Exact sciences and technology</topic><topic>Physics</topic><topic>Quantum effects</topic><topic>STM</topic><topic>Tunneling</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kawahito, Y.</creatorcontrib><creatorcontrib>Kasai, H.</creatorcontrib><creatorcontrib>Nakanishi, H.</creatorcontrib><creatorcontrib>Okiji, A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kawahito, Y.</au><au>Kasai, H.</au><au>Nakanishi, H.</au><au>Okiji, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of intra-site Coulomb interaction on quantized conductance in a quantum wire between an STM tip and a metal surface</atitle><jtitle>Surface science</jtitle><date>1998-07-01</date><risdate>1998</risdate><volume>409</volume><issue>2</issue><spage>L709</spage><epage>L714</epage><pages>L709-L714</pages><issn>0039-6028</issn><eissn>1879-2758</eissn><coden>SUSCAS</coden><abstract>Effects of the intra-site Coulomb interaction between electrons on the quantized conductance in a quantum wire are investigated with the aid of the Hubbard Hamiltonian. The second-order self-energy with respect to the Coulomb interaction is taken into account within a single site approximation for calculating the conductance of a quantum wire. Owing to inter- and intra-subband electron–electron scattering at finite temperatures caused by the Coulomb interaction, the conductance is found to deviate from the quantized value, 2
Ne
2/
h (where
N is an integer). Furthermore, in the case where the subband edge lies energetically near the Fermi energy, the valley appears in the conductance as a function of the stretching length of the wire.</abstract><cop>Lausanne</cop><cop>Amsterdam</cop><cop>New York, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/S0039-6028(98)00321-5</doi></addata></record> |
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| ispartof | Surface science, 1998-07, Vol.409 (2), p.L709-L714 |
| issn | 0039-6028 1879-2758 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Contacts Electrical transport Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Electronic transport in interface structures Exact sciences and technology Physics Quantum effects STM Tunneling |
| title | Effects of intra-site Coulomb interaction on quantized conductance in a quantum wire between an STM tip and a metal surface |
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