The effect of electron-electron interaction induced dephasing on electronic transport in graphene nanoribbons
The effect of dephasing induced by electron-electron interaction on electronic transport in graphene nanoribbons is theoretically investigated. In the presence of disorder in graphene nanoribbons, wavefunction of electrons can set up standing waves along the channel and the conductance exponentially...
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Veröffentlicht in: | Applied physics letters 2014-09, Vol.105 (10) |
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creator | Kahnoj, Sina Soleimani Touski, Shoeib Babaee Pourfath, Mahdi |
description | The effect of dephasing induced by electron-electron interaction on electronic transport in graphene nanoribbons is theoretically investigated. In the presence of disorder in graphene nanoribbons, wavefunction of electrons can set up standing waves along the channel and the conductance exponentially decreases with the ribbon's length. Employing the non-equilibrium Green's function formalism along with an accurate model for describing the dephasing induced by electron-electron interaction, we show that this kind of interaction prevents localization and transport of electrons remains in the diffusive regime where the conductance is inversely proportional to the ribbon's length. |
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In the presence of disorder in graphene nanoribbons, wavefunction of electrons can set up standing waves along the channel and the conductance exponentially decreases with the ribbon's length. Employing the non-equilibrium Green's function formalism along with an accurate model for describing the dephasing induced by electron-electron interaction, we show that this kind of interaction prevents localization and transport of electrons remains in the diffusive regime where the conductance is inversely proportional to the ribbon's length.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4894859</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; ELECTRIC CONDUCTIVITY ; Electron transport ; ELECTRON-ELECTRON INTERACTIONS ; Electrons ; EQUILIBRIUM ; GRAPHENE ; GREEN FUNCTION ; Green's functions ; Nanoribbons ; NANOSCIENCE AND NANOTECHNOLOGY ; NANOSTRUCTURES ; Resistance ; STANDING WAVES ; WAVE FUNCTIONS</subject><ispartof>Applied physics letters, 2014-09, Vol.105 (10)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c285t-4fc871246d4912624bd2a31657764f450203a8ed0870fcf8d5fe422ebfb6df903</citedby><cites>FETCH-LOGICAL-c285t-4fc871246d4912624bd2a31657764f450203a8ed0870fcf8d5fe422ebfb6df903</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22310852$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Kahnoj, Sina Soleimani</creatorcontrib><creatorcontrib>Touski, Shoeib Babaee</creatorcontrib><creatorcontrib>Pourfath, Mahdi</creatorcontrib><title>The effect of electron-electron interaction induced dephasing on electronic transport in graphene nanoribbons</title><title>Applied physics letters</title><description>The effect of dephasing induced by electron-electron interaction on electronic transport in graphene nanoribbons is theoretically investigated. In the presence of disorder in graphene nanoribbons, wavefunction of electrons can set up standing waves along the channel and the conductance exponentially decreases with the ribbon's length. Employing the non-equilibrium Green's function formalism along with an accurate model for describing the dephasing induced by electron-electron interaction, we show that this kind of interaction prevents localization and transport of electrons remains in the diffusive regime where the conductance is inversely proportional to the ribbon's length.</description><subject>Applied physics</subject><subject>ELECTRIC CONDUCTIVITY</subject><subject>Electron transport</subject><subject>ELECTRON-ELECTRON INTERACTIONS</subject><subject>Electrons</subject><subject>EQUILIBRIUM</subject><subject>GRAPHENE</subject><subject>GREEN FUNCTION</subject><subject>Green's functions</subject><subject>Nanoribbons</subject><subject>NANOSCIENCE AND NANOTECHNOLOGY</subject><subject>NANOSTRUCTURES</subject><subject>Resistance</subject><subject>STANDING WAVES</subject><subject>WAVE FUNCTIONS</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNo9kE1PAyEQhonRxFo9-A9IPHnYyufCHk3jV9LESz0TloUuTQsr0IP_XtTW07wzeTLzzgvALUYLjFr6gBdMdkzy7gzMMBKioRjLczBDCNGm7Ti-BFc5b2vLCaUzsF-PFlrnrCkwOmh3VaQYmpOAPhSbtCn-Vw8HYwc42GnU2YcNrMMT6Q0sSYc8xVQqCTdJT6MNFgYdYvJ9H0O-BhdO77K9OdY5-Hh-Wi9fm9X7y9vycdUYInlpmDNSYMLagXWYtIT1A9EUt1yIljnGEUFUSzsgKZAzTg7cWUaI7V3fDq5DdA7u_vbGXLzKxhdrRhNDqFYVIRQjWd__p6YUPw82F7WNhxSqMUXqWc6l4KJS93-USTHnZJ2akt_r9KUwUj-ZK6yOmdNv6GFz_g</recordid><startdate>20140908</startdate><enddate>20140908</enddate><creator>Kahnoj, Sina Soleimani</creator><creator>Touski, Shoeib Babaee</creator><creator>Pourfath, Mahdi</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20140908</creationdate><title>The effect of electron-electron interaction induced dephasing on electronic transport in graphene nanoribbons</title><author>Kahnoj, Sina Soleimani ; Touski, Shoeib Babaee ; Pourfath, Mahdi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c285t-4fc871246d4912624bd2a31657764f450203a8ed0870fcf8d5fe422ebfb6df903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied physics</topic><topic>ELECTRIC CONDUCTIVITY</topic><topic>Electron transport</topic><topic>ELECTRON-ELECTRON INTERACTIONS</topic><topic>Electrons</topic><topic>EQUILIBRIUM</topic><topic>GRAPHENE</topic><topic>GREEN FUNCTION</topic><topic>Green's functions</topic><topic>Nanoribbons</topic><topic>NANOSCIENCE AND NANOTECHNOLOGY</topic><topic>NANOSTRUCTURES</topic><topic>Resistance</topic><topic>STANDING WAVES</topic><topic>WAVE FUNCTIONS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kahnoj, Sina Soleimani</creatorcontrib><creatorcontrib>Touski, Shoeib Babaee</creatorcontrib><creatorcontrib>Pourfath, Mahdi</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kahnoj, Sina Soleimani</au><au>Touski, Shoeib Babaee</au><au>Pourfath, Mahdi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of electron-electron interaction induced dephasing on electronic transport in graphene nanoribbons</atitle><jtitle>Applied physics letters</jtitle><date>2014-09-08</date><risdate>2014</risdate><volume>105</volume><issue>10</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>The effect of dephasing induced by electron-electron interaction on electronic transport in graphene nanoribbons is theoretically investigated. In the presence of disorder in graphene nanoribbons, wavefunction of electrons can set up standing waves along the channel and the conductance exponentially decreases with the ribbon's length. Employing the non-equilibrium Green's function formalism along with an accurate model for describing the dephasing induced by electron-electron interaction, we show that this kind of interaction prevents localization and transport of electrons remains in the diffusive regime where the conductance is inversely proportional to the ribbon's length.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4894859</doi></addata></record> |
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subjects | Applied physics ELECTRIC CONDUCTIVITY Electron transport ELECTRON-ELECTRON INTERACTIONS Electrons EQUILIBRIUM GRAPHENE GREEN FUNCTION Green's functions Nanoribbons NANOSCIENCE AND NANOTECHNOLOGY NANOSTRUCTURES Resistance STANDING WAVES WAVE FUNCTIONS |
title | The effect of electron-electron interaction induced dephasing on electronic transport in graphene nanoribbons |
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