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cond-mat.quant-gas2019
Variational and Parquet-diagram theory for strongly correlated normal and superfluid systems
Hsuan-Hao Fan, Eckhard Krotscheck
We develop the variational and correlated basis functions/parquet-diagram theory of strongly interacting normal and superfluid systems. The first part of this contribution is devot…
cond-mat.quant-gas2018
An analysis of variational wave function for the pairing problem in strongly correlated system
Hsuan-Hao Fan, E. Krotscheck
We report a theoretical analysis of variational wave functions for the BCS pairing problem. Starting with a Jastrow-Feenberg (or, in a more recent language "fixed-node") wave funct…