Numerical simulations of two incommensurate tight-binding chains reveal a mobility edge with abrupt localization onset in higher-energy states, enhanced by weak magnetic fields but reversed by strong fields.
Bloch, Zeitschrift f¨ ur Physik 52, 555 (1929)
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Quantum localization in incommensurate tight-binding chains
Numerical simulations of two incommensurate tight-binding chains reveal a mobility edge with abrupt localization onset in higher-energy states, enhanced by weak magnetic fields but reversed by strong fields.