An improvement on RPA based on a Boson mapping

Peking University); (Physics Department; Shi-Lin Zhu; Ze-sen Yang; Zhi-ning Zhou

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An improvement on RPA based on a Boson mapping

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arxiv nucl-th/9802042 v1 pith:LDF5APPV submitted 1998-02-14 nucl-th

An improvement on RPA based on a Boson mapping

Shi-Lin Zhu , Zhi-ning Zhou , Ze-sen Yang , (Physics Department , Peking University) This is my paper

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keywords mappingbosonapproximationdysoneffectsimproveimprovementintroduce

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We use a solvable model to perform modified dyson mapping and reveal the unphysical-state effects in the original Random Phase Approximation (RPA). We then propose a method to introduce the RPA and improve it based on a Boson mapping.

An improvement on RPA based on a Boson mapping

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