Wernickes-area
发表于 2025-3-23 09:45:11
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柱廊
发表于 2025-3-23 16:18:34
Sabine Büttner,Uwe Handmann,Wolfgang Irrekem represents a many-body problem of great complexity. In weakly-correlated systems like the usual semiconductors, a good starting point is provided by the one-particle picture, in which the crystal eigenstates are approximated by Slater determinants where the electrons occupy the one-particle eigen
小故事
发表于 2025-3-23 18:38:31
Sabine Büttner,Uwe Handmann,Wolfgang Irrekm wells and superlattices. Such structures are simply viewed as a sequence of different semiconductor layers grown sucessively along a well defined crystalline growth direction. The carriers’ motion along this growth direction (hereafter called the z direction) is then strongly modified by the prese
alleviate
发表于 2025-3-24 00:48:08
Sabine Büttner,Uwe Handmann,Wolfgang Irrekment —along one or more directions— of different elementary excitations. One is then interested in knowing the effects of confinement on their energy spectrum, and also on their interaction with other excitations and with external electromagnetic fields.
祸害隐伏
发表于 2025-3-24 03:53:58
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CHASE
发表于 2025-3-24 07:30:49
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blackout
发表于 2025-3-24 11:58:20
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cataract
发表于 2025-3-24 18:15:51
https://doi.org/10.1007/978-3-663-11652-3cal motion (geometrical optics), as well as on the level of quantum mechanical motion (wave optics). The last two decades have witnessed a surge of interest in transport phenomena in low-dimensional semiconductor systems. Examples are the study of weak localization and conductance fluctuations in tw
误传
发表于 2025-3-24 21:59:46
Kazimiera Prunskienė,Elmar Altvaterare and study systems with further reduced dimensionality, specifically quantum wires and quantum dots. In these systems, the original free dispersions of the electrons in the lateral directions are also quantized due to an additional lateral confinement. One ultimate limit is a quantum dot, where,
Dysarthria
发表于 2025-3-25 02:30:22
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