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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Compare <strong>graphene</strong> to<br />
Strongly coupled rel<strong>at</strong>ivistic liquids<br />
S. Hartnoll, P. Kovtun, MM, S. Sachdev (2007)<br />
Obta<strong>in</strong> exact results via str<strong>in</strong>g theoretical AdS–CFT correspondence<br />
• Confirm the results of hydrodynamics: response functions σ(ω), resonances<br />
• Calcul<strong>at</strong>e the transport coefficients for a strongly coupled theory!<br />
3 2<br />
shear<br />
SUSY - SU(N): σ ( μ = 0 ) = N ; ( μ = )<br />
Interpret<strong>at</strong>ion:<br />
2<br />
9<br />
e<br />
h<br />
2<br />
η<br />
s<br />
0 =<br />
1 h<br />
4π<br />
k<br />
3 2<br />
N effective degrees of freedom, strongly coupled: τT = O(1)<br />
B
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