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Effective Field Theory of Interacting π-Electrons
Joshua D. Barr, Justin P. Bergfield, Charles A. Stafford
We develop a π-electron effective field theory (π-EFT) wherein the two-body Hamiltonian for a π-electron system is expressed in terms of three effective parameters: the π-orbital q…
Transmission eigenvalue distributions in highly-conductive molecular junctions
Justin P. Bergfield, Joshua D. Barr, Charles A. Stafford
The transport through a quantum-scale device may be characterized by the transmission eigenvalues. These values constitute a junction PIN code where, for example, in single-atom me…
Kondo effect given exactly by density functional theory
Justin P. Bergfield, Zhenfei Liu, Kieron Burke +1
Transport through an Anderson junction (two macroscopic electrodes coupled to an Anderson impurity) is dominated by a Kondo peak in the spectral function at zero temperature. The e…