Today we will do asurvey of various theories of

Strange metals Before we do so I would like to show

you some of the ARRE5 measurements that display

the linearscattering

rate

Hot Spots

k k

nDk K

The weakly scattered

regions of the FS

shortcircuit the hot spots

a E ft IIe

Ft d Krs1 In a T 1W

Ta n T Short

Fo n T lung

Ads CFTMALDACENNCONTECTUR.tt

tin cx r J Xr 70

key idea

at a gravitydual

Alexandrov Coleman PRB86,125145 12

SUIN supersymmetric QCD

is equivalent to classical gravity

in 5 dimensional Ads space

SYK MODELS

gµuµ.y q

gon sanction GI ga fu Ecu arw

QUENCHEDDISORDER

Ea tolu

Crossover from Strange to Fermi liquidMetal for TE Eo

Not clear why ga T if E n Tw

No frachionalization just local criticality

Beautiful model but lacks certain features seen in

strange metals no crossover to FL No relaxation hires