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← ScienceWhich effect suppresses current flow when applying a transverse magnetic field across spin-orbit coupled 2D electron gas?
A)Weak localization via quantum interference✓
B)Intervalley scattering due to phonon emission
C)Coulomb blockade driven by charge quantization
D)Thermionic emission influenced by band bending
💡 Explanation
When a transverse magnetic field is applied to a spin-orbit coupled 2DES, weak localization emerges because quantum interference effects between electron paths are enhanced, causing backscattering and suppressing current. Therefore weak localization reduces current flow rather than scattering band bending, or blockade, which require different conditions.
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