Geodesic
Crystal-fluid in metallic hydrogen
Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 8, Tome 169 (1988), pp. 12-17 
Yu. F. Anisimov; V. N. Popov. Crystal-fluid in metallic hydrogen. Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 8, Tome 169 (1988), pp. 12-17. http://geodesic.mathdoc.fr/item/ZNSL_1988_169_a1/
@article{ZNSL_1988_169_a1,
     author = {Yu. F. Anisimov and V. N. Popov},
     title = {Crystal-fluid in metallic hydrogen},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {12--17},
     year = {1988},
     volume = {169},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1988_169_a1/}
}
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Using the functional approach to the theory of crystals, we show that, with an increase in pressure, the zero-point vibrations of the crystal lattice break it down. From comparison of the pressure functionals for the crystalline and liquid phase of metallic hydrogen, we obtain a lower estimate for the critical density in the low-temperature limit.