2011
DOI: 10.1103/physrevb.84.195407
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Linear response correlation functions in strained graphene

Abstract: After deriving a general correspondence between linear response correlation functions in graphene with and without applied uniaxial strain, we study the dependence on the strain modulus and direction of selected electronic properties, such as the plasmon dispersion relation, the optical conductivity, as well as the magnetic and electric susceptibilities. Specifically, we find that the dispersion of the recently predicted transverse plasmon mode exhibits an anisotropic deviation from linearity, thus facilitatin… Show more

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Cited by 67 publications
(86 citation statements)
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References 48 publications
(76 reference statements)
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“…The scale bar is 5 nm. account the renormalized Fermi velocity, v F , due to the average change in bond length [55]. At lower energies we observe distinct peaks which are not equally spaced (the first two appear at E 1 and E 2 ).…”
Section: Inhomogeneous Strain Fields In Graphene Bubblesmentioning
confidence: 86%
“…The scale bar is 5 nm. account the renormalized Fermi velocity, v F , due to the average change in bond length [55]. At lower energies we observe distinct peaks which are not equally spaced (the first two appear at E 1 and E 2 ).…”
Section: Inhomogeneous Strain Fields In Graphene Bubblesmentioning
confidence: 86%
“…Наибольшее расхождение (как по величине ζ a , 5 В отсутствие деформации сходства и различия результатов НЭП и M-модели обсуждаются в работе [20]. Отметим, что в рамках НЭП нетрудно в принципе учесть любой вид плоской деформации листа графена, вводя в расчет соответствующий закон дисперсии элек-тронов [22,23]. В Приложении (пункт 3) показано, что одноосная деформация по порядку величины дает то же значение относительного изменения заряда адатома ζ a , что и гидростатическая деформация.…”
Section: влияние деформацииunclassified
“…6 В [19,22] показано, что работа выхода графена в приближении взаимодействия ближайших соседей под влиянием деформации не меняется. Отсюда следует, что энергия точки Дирака и, следовательно, энергия уровня адатома остаются постоянными.…”
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“…From this equation, it is obvious that the cross section of the energy dispersion in strained graphene is an elliptic shape. Accordingly, the electron velocity is direction dependent and there is an anisotropy in Fermi velocity 29 . Notice that the energy at (q Fx , 0) and (0, q Fy ) is equal to the Fermi energy, F with k F = √ πn.…”
Section: A Noninteractacting Strained Graphenementioning
confidence: 99%