20 citations · 90 across the 11 of their papers we have counts for
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cond-mat.quant-gas2014★ 2 cited
Quantum Phase Transition with a Simple Variational Ansatz
Y. Lutsyshyn, G. E. Astrakharchik, C. Cazorla +1
We study the zero-temperature quantum phase transition between liquid and hcp solid helium-4. We use the variational method with a simple yet exchange-symmetric and fully explicit…
cond-mat.quant-gas2011★ 20 cited
Phase diagram of Rydberg atoms with repulsive van der Waals interaction
O. N. Osychenko, G. E. Astrakharchik, Y. Lutsyshyn +2
We report a quantum Monte Carlo calculation of the phase diagram of bosons interacting with a repulsive inverse sixth power pair potential, a model for assemblies of Rydberg atoms…