2 papers
quant-ph2005
Comprehensive proof of the Greenberger-Horne-Zeilinger Theorem for the four-qubit system
Li Tang, Jie Zhong, Yaofeng Ren +2
Greenberger-Horne-Zeilinger (GHZ) theorem asserts that there is a set of mutually commuting nonlocal observables with a common eigenstate on which those observables assume values t…
cond-mat.str-el1998
Quasi-particle dynamics of a strongly correlated polaron metal
J. Zhong, H. -B. Schuttler
We develop a simple diagrammatic low-energy boson exchange strong-coupling model for an antiferromagnetically correlated polaronic metal. Important low-temperature features of such…