Relativistic magnetotransport in graphene, at quantum ... - ICTP
Relativistic magnetotransport in graphene, at quantum ... - ICTP
Relativistic magnetotransport in graphene, at quantum ... - ICTP
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Graphene – Fermi liquid?<br />
1. Tight b<strong>in</strong>d<strong>in</strong>g k<strong>in</strong>etic energy<br />
→ massless Dirac quasiparticles<br />
2. Coulomb <strong>in</strong>teractions:<br />
Unexpectedly strong!<br />
→ nearly <strong>quantum</strong> critical!<br />
Coulomb only marg<strong>in</strong>ally irrelevant for μ = 0!<br />
RG:<br />
(μ = 0)<br />
(μ > 0)<br />
< μ :<br />
2<br />
e<br />
α ≡<br />
εhv<br />
F<br />
= O<br />
T Screen<strong>in</strong>g kicks <strong>in</strong>, short ranged Cb irrelevant<br />
( 1)<br />
Strong<br />
coupl<strong>in</strong>g!
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