Theory of Oscillatory Photoconductivity in Semiconductors: Boltzmann-Equation Approach

1966 ◽  
Vol 150 (2) ◽  
pp. 619-631 ◽  
Author(s):  
H. J. Stocker ◽  
H. Kaplan
Keyword(s):  
Boltzmann Equation ◽  
Equation Approach

SPIN DIFFUSION COEFFICIENT OF A1-PHASE OF SUPERFLUID 3He AT LOW TEMPERATURES

2009 ◽  
Vol 23 (12) ◽  
pp. 1603-1610 ◽  
Author(s):  
R. AFZALI ◽  
F. PASHAEE
Keyword(s):  
Diffusion Coefficient ◽  
Boltzmann Equation ◽  
Low Temperatures ◽  
Spin Diffusion ◽  
Superfluid 3He ◽  
Total Spin ◽  
Equation Approach ◽  
Fluid Component ◽  
Melting Pressure ◽  
Superfluid Component

The spin diffusion coefficient tensor of the A1-phase of superfluid 3 He at low temperatures and melting pressure is calculated using the Boltzmann equation approach and Pfitzner procedure. Then considering Bogoliubov-normal interaction, we show that the total spin diffusion is proportional to 1/T2, the spin diffusion coefficient of superfluid component [Formula: see text] is proportional to T-2, and the spin diffusion coefficient of super-fluid component [Formula: see text] is independent of temperature. Furthermore, it is seen that superfluid components play an important role in spin diffusion of the A1-phase.

Analytic Boltzmann equation approach for negative differential mobility in two‐valley semiconductors

1986 ◽  
Vol 49 (3) ◽  
pp. 176-178 ◽  
Author(s):  
Christopher J. Stanton ◽  
Harold U. Baranger ◽  
John W. Wilkins
Keyword(s):  
Boltzmann Equation ◽  
Equation Approach ◽  
Differential Mobility
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