CyGutz

Introduction

CyGutz is an efficient Gutzwiller solver, which solves a generic tight-binding model with local interactions using Gutzwiller-rotationally invariant slave-boson method. (See Ref. [prx2015] and [prl2017])

[prx2015]Lanatà, Nicola, Yongxin Yao, Cai-Zhuang Wang, Kai-Ming Ho, and Gabriel Kotliar. 2015. ‘’Phase Diagram and Electronic Structure of Praseodymium and Plutonium.’’ Physical Review X 5 (1): 011008. doi:10.1103/PhysRevX.5.011008.
[prl2017]Lanatà, Nicola, Yongxin Yao, Xiaoyu Deng, Vladimir Dobrosavljević, and Gabriel Kotliar. 2017. ‘’Slave Boson Theory of Orbital Differentiation with Crystal Field Effects: Application to UO 2.’’ Physical Review Letters 118 (12): 126401. doi:10.1103/PhysRevLett.118.126401.