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Journal Articles Journal of Low Temperature Physics Year : 2019

Metastable Phases of Liquid and Solid 4 He

Jules Grucker
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Experiments and theories describing the metastable phases of liquid and solid 4 He are presented and discussed. For the case of metastable liquid 4 He with respect to its gaseous phase, it is shown that different measurements of its destabilization threshold (cavitation threshold) and their comparisons to available theories reveal that the nucleation mechanism is not totally understood. Then experiments measuring typical lifetime of cavitation bubbles in He I and He II are shortly considered showing the important role of heat transport mechanism during their collapse. Finally for liquid 4 He, its metastability with respect to its solid phase and the possibility of the liquid destabilization due to the vanishing of the roton gap is presented. The last part of the review is devoted to metastable solid 4 He with respect to its liquid phase. The first experimental production of such a state is described and its destabilization limit possibly invoking the creation and proliferation of crystalline defects is discussed.
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hal-02365576 , version 1 (15-11-2019)





Jules Grucker. Metastable Phases of Liquid and Solid 4 He. Journal of Low Temperature Physics, 2019, 197 (3-4), pp.149-166. ⟨10.1007/s10909-019-02212-8⟩. ⟨hal-02365576⟩
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