Ghost excitonic insulator transition in layered graphite

Preprint

12 December 2001

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/0101306

Abstract

Some unusual properties of layered graphite, including a linear energy dependence of the quasiparticle damping and weak ferromagnetism at low doping, are explained as a result of the proximity of a single graphene sheet to the excitonic insulator phase which can be further stabilized in a doped system of many layers stacked in the staggered ($ABAB...$) configuration.

Keywords

INSULATOR TRANSITION
EXCITONIC INSULATOR
LAYERED GRAPHITE
GHOST EXCITONIC
FERROMAGNETISM
PROPERTIES
GRAPHENE

All Related Versions

Version 1, 2001-01-19, ArXiv
Version 2, 2001-01-22, ArXiv
Version 3, 2001-06-14, ArXiv
Version 4, 2001-12-12, ArXiv
Published version: Physical Review Letters, 87 (24), 246802.

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