5 papers
Understanding cuprate superconductors with spontaneous nodal gap generation
Guo-Zhu Liu, Geng Cheng
We study the spontaneous gap generation for gapless nodal fermions within an effective gauge field theory of high temperature superconductors. When superconductivity appears, the g…
Competing orders in high-T_c superconductors
Guo-Zhu Liu, Geng Cheng
Within a (2+1)-dimensional U(1) gauge field theory, after calculating the Dyson-Schwinger equation for fermion self-energy we find that chiral symmetry breaking (CSB) occurs if the…
Resonance in the seesaw mechanism
Haijun Pan, G. Cheng
We study the RH neutrino properties from the low energy neutrino data in the seesaw mechanism. Reonance behavior is found for the right-handed (RH) mixing angle as a function of li…
Decoupled oscillations and resonances of three neutrinos in matter
G. Cheng
In a previous paper, we gave a new theoretical framework in which three neutrino mixing in matter are discussed. Rigorous analytical solutions are obtained. In present paper an app…
Mixing of three neutrinos in matter
G. Cheng
Explicit analytical expression is derived for mixing matrix of three neutrinos in matter using a set of direct vacuum physical parameters. Results are presented in simple, symmetri…