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← ScienceWhich mechanism enables stable electron flow despite dislocations in metals?
A)Topological protection of electronic states✓
B)Increased phonon scattering from impurities
C)Resonant tunneling across potential barriers
D)Enhanced electron-electron Coulomb repulsion
💡 Explanation
Topological protection ensures that electrons are robust against distortions because the electronic states are inherently stable due to the material topology, therefore dislocations do not disrupt electron transport, rather than electron scattering increasing resistance instead.
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