Topological defects in 1D potential and superlattices
β Scribed by L Gumen; E Feldman; V Yurchenko; A Krokhin; P Pereyra
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 83 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1386-9477
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π SIMILAR VOLUMES
The paper by Kramer (1999) on circular xylem (whirled grain) as an example of topological defects warrants several comments. (1) Whirled grain is not disordered as claimed, but rather a di!erent order compared with straight wood. Moreover, such grain occurs regularly in many branch junctions: in sma
We study topological defects as inhomogeneous (localized) condensates of particles in quantum field theory. In the framework of the closed-time-path formalism, we consider explicitly a (1 + 1) dimensional Ξ»Ο 4 model and construct the Heisenberg picture field operator Ο in the presence of kinks. We s
The dynamics of topological defects (dislocations) in charge density waves (CDW's) is largely affected by the quasi-particle dynamics in the cores of the dislocations. The dislocations mediate the conversion of the electron number between condensate and quasi-particle sub-systems. This is especially