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Spring 2011
The Kim and Chan experiment in 2004 gave the first experimental evidence of a possible supersolid state. Even though the origin of this state is not clear yet, several experimental and theoretical investigations suggest defects are responsible for this curious phase. We have used heat pulses and...
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Fall 2024
We study the ground state physics of a helium-4 monolayer adsorbed onto graphene substrate through means of quantum Monte Carlo simulations. At low temperatures, helium-4 is well-known to undergo a superfluid transition. In the presence of a modulating potential from corrugated substrates like...