28 citations · 36 across the 9 of their papers we have counts for
12 papers
Qubit parametrization of the variational discrete action theory for the multiorbital Hubbard model
Zhengqian Cheng, Chris A. Marianetti
The variational discrete action theory (VDAT) at \mathcal{N}=3 is a potent tool for accurately capturing Mott and Hund physics at zero temperature in d=\infty at a cost comparable…
Mott transition from the non-analyticity of the one-body reduced density-matrix functional
Zhengqian Cheng, Chris A. Marianetti
One-body reduced density-matrix functional (1RDMF) theory has yielded promising results for small systems such as molecules, but has not addressed quantum phase transitions such as…
Matching Wilson flow time for calculating the topological charge density and the pseudoscalar glueball mass in quenched lattice QCD
Zhen Cheng, Guang-yi Xiong
The matching Wilson flow time for calculating the topological charge density correlator (TCDC) of the gluonic definition by the Wilson flow is analyzed using the matching procedure…
Density-Matrix Mean-Field Theory
Junyi Zhang, Zhengqian Cheng
Mean-field theories have proven to be efficient tools for exploring diverse phases of matter, complementing alternative methods that are more precise but also more computationally…
Magnetism and Metallicity in Moiré Transition Metal Dichalcogenides
Patrick Tscheppe, Jiawei Zang, Marcel Klett +8
The ability to control the properties of twisted bilayer transition metal dichalcogenides in situ makes them an ideal platform for investigating the interplay of strong correlation…
A gauge constrained algorithm of VDAT at for the multi-orbital Hubbard model
Zhengqian Cheng, Chris A. Marianetti
The recently developed variational discrete action theory (VDAT) provides a systematic variational approach to the ground state of the quantum many-body problem, where the quality…