Berry’s phase and the anomalous velocity of Bloch wavepackets
The semiclassical equations of motion for a Bloch electron include an anomalous velocity term analogous to a k -space “Lorentz force,” with the Berry connection playing the role of a vector potential. By examining the adiabatic evolution of Bloch states in a monotonically increasing vector potential...
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| Format: | Article |
| Language: | English |
| Published: |
2013
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| Online Access: | https://hdl.handle.net/10356/101040 http://hdl.handle.net/10220/18342 |
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| Institution: | Nanyang Technological University |
| Language: | English |