Quantum Tunneling of Water in Beryl. A New State of the Water Molecule
Journal Article
·
· Physical Review Letters
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Univ. of Houston, TX (United States)
- Lake Washington Inst. of Technology, Kirkland, WA (United States); Univ. of Washington, Bothell, WA (United States)
- ISIS Facility, Didcot (United Kingdom)
When using neutron scattering and ab initio simulations, we document the discovery of a new “quantum tunneling state” of the water molecule confined in 5 Å channels in the mineral beryl, characterized by extended proton and electron delocalization. We observed a number of peaks in the inelastic neutron scattering spectra that were uniquely assigned to water quantum tunneling. Additionally, the water proton momentum distribution was measured with deep inelastic neutron scattering, which directly revealed coherent delocalization of the protons in the ground state.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- AC05-00OR22725; 4000127504; 6400012674; 66-1283
- OSTI ID:
- 1248795
- Alternate ID(s):
- OSTI ID: 1249686
- Journal Information:
- Physical Review Letters, Vol. 116, Issue 16; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 80 works
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