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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SSH electron-phonon coupling yields higher superconducting Tc than Holstein coupling in QMC simulations by enhancing both electron pairing and Cooper-pair phase coherence.
Numerical simulations of the Rydberg triangular lattice model show order-by-disorder √3×√3 order at half filling and an emergent KT phase at finite temperature.
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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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High-temperature superconductivity induced by the Su-Schrieffer-Heeger electron-phonon coupling
SSH electron-phonon coupling yields higher superconducting Tc than Holstein coupling in QMC simulations by enhancing both electron pairing and Cooper-pair phase coherence.
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Order-by-disorder and emergent Kosterlitz-Thouless phase in triangular Rydberg array
Numerical simulations of the Rydberg triangular lattice model show order-by-disorder √3×√3 order at half filling and an emergent KT phase at finite temperature.