Exploració per autor "Lutsyshyn, Yaroslav"
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Quantum phase transition with a simple variational ansatz
Lutsyshyn, Yaroslav; Astrakharchik, Grigori; Cazorla, C; Boronat Medico, Jordi (2014-12-11)
Article
Accés obertWe study the zero-temperature quantum phase transition between liquid and hcp solid He-4. We use the variational method with a simple yet exchange-symmetric and fully explicit wave function. It is found that the optimized ...