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Dynamical Mean Field Study of Model Double-Exchange Superlattices
Chungwei Lin, Satoshi Okamoto, Andrew J. Millis
A theoretical study of [001] "double exchange" superlattices is presented. The superlattice is defined in terms of an O perovskite crystal. Itinerant electrons hop among th…
A continuous-time solver for quantum impurity models
Philipp Werner, Armin Comanac, Luca De Medici +2
We present a new continuous time solver for quantum impurity models such as those relevant to dynamical mean field theory. It is based on a stochastic sampling of a perturbation ex…
Infrared Hall Effect in the electron-doped high Tc cuprate Pr(2-x)Ce(x)CuO(4)
A. Zimmers, L. Shi, D. C. Schmadel +10
The electron-doped cuprate Pr(2-x)Ce(x)CuO(4) is investigated using infrared magneto-optical measurements. The optical Hall conductivity sigma_{xy} shows a strong doping, frequency…
Theory of Low-Temperature Hall Effect in Electron-Doped Cuprates
Jie Lin, A. J. Millis
A mean field calculation of the limit of the Hall conductance of electron-doped cuprates such as is presented. The data are found to be qualitative…
Interface ordering and phase competition in a model Mott-insulator--band-insulator heterostructure
Satoshi Okamoto, Andrew J. Millis
The phase diagram of model Mott-insulator--band-insulator heterostructures is studied using the semiclassical approximation to the dynamical-mean-field method as a function of thic…
Spin dynamics and violation of the fluctuation dissipation theorem in a non-equilibrium ohmic spin boson model
Aditi Mitra, A. J. Millis
We present results for the dynamics of an impurity spin coupled to a magnetic field and to two ohmic baths which are out-of equilibrium due to the application of a bias voltage. Bo…