CMT seminar: Imaginary-Time Approach to Quantum Transport
The recently developed Matsubara-voltage formalism by Han and Heary  is briefly reviewed. Its unbiased implementation with continuous-time quantum Monte-Carlo techniques is discussed . Numerical estimates on static observables for an out-of-equilibrium single-orbital quantum dot in the Kondo regime are presented. A novel function-theoretical framework enabling the Bayesian inference of the dot electron’s spectral function from QMC data is introduced. It is successfully applied to the computation of spectral properties and current-voltage characteristics.
 J. E. Han and R. J. Heary, PRL 99, 236808 (2007).
 A. Dirks et al., Phys. Rev. E 82, 026701 (2010).
Host: Jim Freericks