Four-Dimensional XY Quantum Phase Transition in Superfluid Helium-4
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Abstract
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Abstract
Liquid helium confined in nanopores exhibits a quantum superfluid transition at absolute zero. Investigations have revealed that the quantum nature also dominates the finite-temperature superfluid transition, obeying a simple mean-field theory.
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Liquid helium confined in nanopores exhibits a quantum superfluid transition at absolute zero. Investigations have revealed that the quantum nature also dominates the finite-temperature superfluid transition, obeying a simple mean-field theory.
Key concepts: Superfluidity, Superfluid film, Quantum vortex, Quantum phase transition, Condensed matter physics, Classical XY model, Physics, Superfluid helium-4