Article (Scientific journals)
Gauge-invariant theory for semiclassical magnetotransport through ballistic microstructures
Wirtz, Ludger; Tang, J. Z.; Burgdorfer, J.
1999In Physical Review. B, 59 (4), p. 2956-2967
Peer reviewed
 

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Abstract :
[en] Within the semiclassical theory of magnetotransport through ballistic cavities, fluctuations in the transmission amplitude and in the conductance originate from the Aharonov-Bohm phase of directed areas. We formulate the semiclassical transmission amplitude in gauge-invariant form. The gauge invariant phases can be visualized in terms of areas enclosed by classical paths, which consist of the real path connecting the entrance point to the exit point and a virtual path leading back to the entrance point. We implement this method on different levels of a semiclassical description of magnetotransport with applications to magnetoconductance fluctuations and correlations. The validity of the semiclassical theories is analyzed. [S0163-1829(99)10903-2].
Disciplines :
Physics
Author, co-author :
Wirtz, Ludger ;  Technische Universität Wien = Vienna University of Technology - TU Vienna > Institute for Theoretical Physics
Tang, J. Z.
Burgdorfer, J.
Language :
English
Title :
Gauge-invariant theory for semiclassical magnetotransport through ballistic microstructures
Publication date :
1999
Journal title :
Physical Review. B
ISSN :
1098-0121
Volume :
59
Issue :
4
Pages :
2956-2967
Peer reviewed :
Peer reviewed
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