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nucl-th2013★ 2 cited
Discussion for the Solutions of Dyson-Schwinger Equations at m>0 in QED3
Hui-xia Zhu, Hong-tao Feng, Wei-min Sun +1
In the case of nonzero fermion mass, within a range of Ansatze for the full fermion-boson vertex, we show that Dyson-Schwinger equation for the fermion propagator in QED3 has two q…
cond-mat.str-el2013★ 6 cited
Calculation of the staggered spin correlation in the framework of the Dyson-Schwinger approach
Jian-Feng Li, Hong-Tao Feng, Yu Jiang +2
Based on the linear response of the fermion propagator with respect to an external field, we first derive a model-independent expression for the staggered spin susceptibility in wh…