Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2010-01-22
Physics
Condensed Matter
Other Condensed Matter
ReVTeX 4, 4 pages no figures
Scientific paper
We consider general theoretical models of water and in particular the nature of the motions of the hydrogen nuclei. If the motion of hydrogen nuclei is classical, then the thermodynamic pressure equation of state for heavy water wherein the hydrogen nuclei are deuterons is identical to the pressure equation of state for light water wherein the hydrogen nuclei are protons. Since the experimental thermodynamic phase diagram for light water is clearly measurably different from the experimental thermodynamic phase diagram for heavy water, one may deduce that the motions of hydrogen nuclei are quantum mechanical in nature. This conclusion is in physical agreement with a recent analysis of X-ray, neutron and deep inelastic neutron scattering data.
Drosdoff D.
Sivasubramanian Sivaramakrishnan
Srivastava Yogendra N.
Widom Allan
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