Package for transport calculations in quantum dots using approximate quantum master equations
Project description
QmeQ is an open-source Python package for calculations of transport through quantum dot devices. The so-called Anderson-type models are used to describe the quantum dot device, where quantum dots are coupled to the leads by tunneling. QmeQ can calculate the stationary state particle and energy currents using various approximate density matrix approaches. As for now we have implemented the following first-order methods
Pauli (classical) master equation
Lindblad approach
Redfield approach
First order von Neumann (1vN) approach
which can describe the effect of Coulomb blockade. QmeQ also has two second-order methods
Second order von Neumann (2vN) approach
Real Time Diagrammatic approach
which can additionally address cotunneling, pair tunneling, and broadening effects.
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