Experimental determination of the anisotropy of the exciton wave function of GaAs in a magnetic field

1976 ◽  
Vol 18 (9-10) ◽  
pp. 1255-1258 ◽  
Author(s):  
J.U. Fischbach ◽  
W. Rühle ◽  
D. Bimberg ◽  
E. Bauser
2001 ◽  
Vol 8 (12) ◽  
pp. 5165-5170 ◽  
Author(s):  
J. N. Talmadge ◽  
V. Sakaguchi ◽  
F. S. B. Anderson ◽  
D. T. Anderson ◽  
A. F. Almagri

We investigate the nodal structure of the electronic states which arise in the case of a uniform magnetic field and a weak periodic potential. By making use of the continuous motion of these zeros as the K -value labelling the state is varied, we introduce a simple method of obtaining the quantized value of the Hall conductance of a filled band from the nodal pattern of the band wave function. This method is demonstrated to give the correct results in the cases where the Hall conductances are known, given by the solutions of a Diophantine equation.


Author(s):  
І. О. Шведчикова ◽  
Ю. А. Романченко ◽  
І. В. Мелконова

Constructional improvement of lamellar matrix of polygradient electromagnetic separator, research  of  magnetic  field  distribution  in  working  area  of  matrix and experimental determination of separator efficiency.


2013 ◽  
Vol 88 (6-8) ◽  
pp. 661-665
Author(s):  
Olivier Van Hoey ◽  
Johan Schuurmans ◽  
Inge Uytdenhouwen ◽  
Guido Van Oost

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