scholarly journals Quantum Transport in Nanostructures of 3D Topological Insulators

2020 ◽  
pp. 2000066
Author(s):  
Romain Giraud ◽  
Joseph Dufouleur
Author(s):  
Juan P. Mendez ◽  
Denis Mamaluy ◽  
Xujiao Gao ◽  
Evan M. Anderson ◽  
DeAnna M. Campbell ◽  
...  
Keyword(s):  

2012 ◽  
Author(s):  
Jim Harris ◽  
Shoucheng Zhang

Author(s):  
Klaus Morawetz

The method of the equation of motion is used to derive the Martin–Schwinger hierarchy for the nonequilibrium Green’s functions. The formal closure of the hierarchy is reached by using the selfenergy which provides a recipe for how to construct selfenergies from approximations of the two-particle Green’s function. The Langreth–Wilkins rules for a diagrammatic technique are shown to be equivalent to the weakening of initial correlations. The quantum transport equations are derived in the general form of Kadanoff and Baym equations. The information contained in the Green’s function is discussed. In equilibrium this leads to the Matsubara diagrammatic technique.


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