43 citations · 203 across the 25 of their papers we have counts for
5 papers · 1 filter
Failure of the mean-field description of magnetic fluctuations in the superconducting quantum dot
Václav Janiš, Jiawei Yan
The zero-temperature physics of interacting quantum dots attached to superconducting leads is now well understood. The overall qualitative picture is obtained from the static mean-…
Inhibition of Current-spike Formation Based on Longitudinal Phase Space Manipulation for High-Repetition-Rate X-ray FEL
Zihan Zhu, Duan Gu, Jiawei Yan +5
The formation of a double-horn current profile is a challenging issue in the achievement of electron bunch with high peak current, especially for high-repetition-rate X-ray free-el…
Single impurity Anderson model out of equilibrium: A two-particle semi-analytic approach
Jiawei Yan, Václav Janiš
We apply a two-particle semi-analytic approach to a single Anderson impurity attached to two biased metallic leads. The theory is based on reduced parquet equations justified in cr…
Many-Objective Beam Dynamics Optimization for High-Repetition-Rate XFEL Photoinjector
Zihan Zhu, Jiawei Yan, Duan Gu +1
SHINE, as the first hard x-ray free-electron-laser (FEL) facility in China, is designed to provide high-brightness FEL lasing under high-repetition-rate operation mode. In order to…
Many-body perturbation theory for the superconducting quantum dot: Fundamental role of the magnetic field
Václav Janiš, Jiawei Yan
We develop the general many-body perturbation theory for a superconducting quantum dot represented by a single-impurity Anderson model attached to superconducting leads. We build o…