Ferromagnetism at singular saddle points via divergent quantum metric and Stoner theory in a 2D t2g-orbital model.
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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.
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.
An effective Hubbard model on the BCC lattice exhibits a first-order normal-to-superconducting transition in intermediate coupling and first-order transitions among Fermi-liquid, antiferromagnetic, and Mott phases in strong coupling.
citing papers explorer
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Quantum geometric ferromagnetism by singular saddle point
Ferromagnetism at singular saddle points via divergent quantum metric and Stoner theory in a 2D t2g-orbital model.
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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.
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Superconducting and correlated phases of an effective Hubbard model on the BCC lattice
An effective Hubbard model on the BCC lattice exhibits a first-order normal-to-superconducting transition in intermediate coupling and first-order transitions among Fermi-liquid, antiferromagnetic, and Mott phases in strong coupling.