General relativity and graphene
General relativity and graphene
General relativity and graphene
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Computation of observables<br />
Equation for the Dirac propagator<br />
in curved space.<br />
1<br />
iγ<br />
µ<br />
()( r ∂ −Ω ) G(,´) x x = δ<br />
3<br />
( x−x´)<br />
µ µ<br />
−g<br />
Curved gamma<br />
matrices<br />
Gauge field.<br />
It has a matrix structure<br />
Covariant delta function<br />
Exp<strong>and</strong> around flat space <strong>and</strong> rewrite at first<br />
order as flat in an effective potential
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