Nanospace-confined Helium Shows Four-dimensional Quantum Phase Transition (QPT)
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Evidence for 4D XY Quantum Criticality in 4He Confined in Nanoporous Media at Finite Temperatures
(JPSJ Editors' Choice)
J. Phys. Soc. Jpn. 90, 033601 (2021).
Helium confined in a nanoporous material shows a four dimensional superfluid transition. This is a unique example of four dimensional critical phenomenon caused by strong quantum fluctuation.
Evidence for 4D XY Quantum Criticality in 4He Confined in Nanoporous Media at Finite Temperatures
(JPSJ Editors' Choice)
J. Phys. Soc. Jpn. 90, 033601 (2021).
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