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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-243603
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.24360
Zusammenfassung
We develop a low-energy nonequilibrium field theory for weakly interacting quantum dots. The theory is based on the Keldysh field integral in the spin channel of the quantum dot described by the single-impurity Anderson Hamiltonian. The effective Keldysh action is a functional of the Hubbard-Stratonovich magnetization field decoupling the quantum dot spin channel. We expand this action up to the ...
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