most citedUnderstanding high-Tc cuprates based on the phase string theory of doped antiferromagnet

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cond-mat1995

Marshall sign and the doped model

Z. Y. Weng, D. N. Sheng, Y. C. Chen

Marshall sign as a sole source of sign problem hidden in an antiferromagnet is explored under doping. By tracking the Marshall sign, a zero spectral weight is revealed in the d…