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A note on the metallization of compressed liquid hydrogen
I. Tamblyn and S.A. Bonev Journal of Chemical Physics, 132, 134503 (2010) This work examines the molecular-to-atomic transition of hydrogen under compression and its connection to metallization, a long-sought but elusive state of matter. Using first-principles molecular dynamics simulations, the authors obtain pair potentials for liquid hydrogen and compare these with results from quadratic response theory. The key contribution is the construction of a schematic dissociation-metallization phase diagram that maps the relationship between molecular dissociation and the onset of metallic behavior in compressed liquid hydrogen. The authors propose experimental strategies that could reduce the extreme pressures needed to achieve metallic hydrogen, providing guidance for future high-pressure experiments targeting this fundamental phase transition. |
