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Trigonal warping in bilayer graphene: Energy versus entanglement spectrum

Predin, Sonja, Wenk, Paul and Schliemann, John (2016) Trigonal warping in bilayer graphene: Energy versus entanglement spectrum. Phys. Rev. B 93, p. 115106.

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Date of publication of this fulltext: 24 Nov 2016 13:10

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.93.115106


Abstract

We present a mainly analytical study of the entanglement spectrum of Bernal-stacked graphene bilayers in the presence of trigonal warping in the energy spectrum. Upon tracing out one layer, the entanglement spectrum shows qualitative geometric differences to the energy spectrum of a graphene monolayer. However, topological quantities such as Berry-phase-type contributions to Chern numbers agree. ...

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Item type:Article
Date:2 March 2016
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann
Projects:GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis
Identification Number:
ValueType
10.1103/PhysRevB.93.115106DOI
Dewey Decimal Classification:500 Science > 500 Natural sciences & mathematics
500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:34882
Owner only: item control page

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