Abstract
According to the description in Chap. 1, Bloch oscillations are a quite general phenomenon which is always present when there are wave states in a superposition of a periodic potential and a constant force (i.e. a linear potential). Besides semiconductor superlattices, three other systems have been investigated in recent years: Bloch oscillations and Zener tunneling have been investigated for atoms in optical lattices [1, 2]. Bloch oscillations have been investigated in optical wave guide arrays [3, 4]. Bloch oscillations in a magnetic system have been proposed theoretically for the case of domain walls [5, 6]. In the following, we shall give a brief account of the first two sets of experimental observations and compare the main features with the experiments on semiconductor superlattices.KeywordsWave PacketBrillouin ZoneStanding WaveWave GuideLinear PotentialThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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