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The Behavior of Quantum Point Contacts
Experiment Mid Data
4 other sections not shown
0.4 Gate Voltage 2DEG array axis best fit transitions calculate the valley chapter conduction band constant gate voltage curves decoherence defined device dyda Electronic band structure end function energy levels equations estimated uncertainty excited orbital level F-test Fermi energy Fermi level Figure find the valley fitting parameters fitting routine func function of gate function of magnetic globals IMPLICIT high magnetic field IMPLICIT NONE REAL(SP initial guess inversion layer Landau Level lattice constant lowest orbital level Magnetic field dependence maximum minimum uncertainty miscut non-zero nrtype occupied subbands perpendicular magnetic field Phys physics plot quantum computing quantum dots quantum point contact quantum well interface qubits range shown in Fig shows Si/SiGe heterostructure SiGe spin splitting splitting at zero steps strained silicon subband theoretical model theoretical valley splitting thesis tilt angle transition fields transition locations uncertainty in transition valley splitting parameters virtual substrate wavefunction Write yfit zero magnetic field