- Text
- Magnetic,
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- Insulator,
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- Superconductor,
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Phase Diagram of Electron Systems near the Superconductor ...

How **the** density **of** fermions grows above **the** BFT?Equilibrium condition:Conservation **of** number **of** electrons:Now it is an equation determining n fMetal-Insulator Transition (MIT)Metal-Insulator Transition (MIT)n f= n cf= L f !2 " n cb16

B MIT ≈ B c1+ κ 2 ln(κ/(κ c − κ/32)).B BFT ≈ 2∆ − 5µ b/9g e µ B= B c 1+ 5 18 κ ln(κ/κ c) .κ = E b /∆ κ c = gm4π 2

- Page 1 and 2: Phase diagram of electron systemin
- Page 3: Outline•! Experimental facts•!
- Page 7 and 8: Amorphous films In 2 O 3-xTemperatu
- Page 9 and 10: Superconductor to insulator transit
- Page 11: Disappearance of superconducting is
- Page 15: Model assumptions•! Cooper pairs
- Page 18 and 19: Idea for GNM:CP pairs fill localize
- Page 20 and 21: Simplification Ψ(r) ∼ e −r2 /2
- Page 23: Zero magnetic fieldDensity of well
- Page 26 and 27: Extension to finite magnetic fieldd
- Page 28 and 29: Increase magnetic field such thatµ
- Page 32 and 33: Thin film in perpendicular fielddia
- Page 34: Three dimensional systemψ k (x) =
- Page 37: Conclusions•! Phase diagram depen