Journal
PHYSICAL REVIEW B
Volume 86, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.86.245302
Keywords
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Funding
- US Air Force of Scientific Research (AFOSR) [FA9550-08-1-0220, FA9550-10-1-0408]
- Fundacao para a Ciencia e a Tecnologia [PTDC/EEATEL/100245/2008]
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Based on an analogy with electromagnetic metamaterials, we develop an effective medium description for the propagation of electron matter waves in bulk semiconductors with a zinc-blende structure. It is formally demonstrated that even though departing from a different starting point, our theory gives results for the energy stationary states consistent with Bastard's envelope-function approximation in the long-wavelength limit. Using the proposed approach, we discuss the time evolution of a wave packet in a bulk semiconductor with a zero-gap and linear energy-momentum dispersion.
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