THE n-t PHASE DIAGRAM

• For T=0, n>nw, n<<rs (large B) and no extraneous interactions (Vrandom <Vc)

n uniquely determines the physics

• For T=0, n=0,

t uniquely determines the physics

Reduced temperature

• ( n,t) Phase boundary is universal if:

Vc , Vm >>Vrandom

• If observed phenomena scale with ( n,t) underlying physics governed by Coulomb interactions and Landau degeneracy.

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