The ghost Gutzwiller variational embedding framework recovers an effective band structure for topological phases in strongly correlated systems and reveals topologically nontrivial Hubbard bands with edge states in the interacting Bernevig-Hughes-Zhang model.
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Gutzwiller projection QMC combines projective determinant QMC with a minimum-energy Gutzwiller variational trial wavefunction to speed convergence and alleviate the sign problem in fermionic simulations.
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Band structure picture for topology in strongly correlated systems with the ghost Gutzwiller ansatz
The ghost Gutzwiller variational embedding framework recovers an effective band structure for topological phases in strongly correlated systems and reveals topologically nontrivial Hubbard bands with edge states in the interacting Bernevig-Hughes-Zhang model.
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Boosting quantum Monte Carlo and alleviating sign problem by Gutzwiller projection
Gutzwiller projection QMC combines projective determinant QMC with a minimum-energy Gutzwiller variational trial wavefunction to speed convergence and alleviate the sign problem in fermionic simulations.