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Reply to “Comment to ‘Dynamics of supercooled confined water measured by deep inelastic neutron scattering’ by Y. Finkelstein and R. Moreh” |
V. De Michele1, G. Romanelli2, A. Cupane1( ) |
1. Dipartimento di Fisica e Chimica, Università di Palermo, 90128, Palermo, Italy
2. ISIS Facility, Rutherford Appleton Laboratory, Oxfordshire OX11, 0QX, UK |
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Abstract We reply to the comment [Front. Phys. 14(5), 53605 (2019)] by Y. Finkelstein and R. Moreh on our article Front. Phys. 13(1), 138205 (2018). We agree with some of their criticisms about our calculation of the temperature effect on the kinetic energy of hydrogen atoms of supercooled confined water; we also agree with their statement that, in view of the current sensitivity of the technique, possible effects of the liquid–liquid water transition are hardly detected with deep inelastic neutron scattering (DINS). However, we disagree with their use of the translational mass ratio of a single water molecule and, in general, with their underestimation of collective effects.
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| Keywords
supercooled water
liquid–liquid transition
deep inelastic neutron scattering
libration
vibrational density of states
proton kinetic energy
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Corresponding Author(s):
A. Cupane
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Issue Date: 16 October 2019
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| 1 |
Y. Finkelstein and R. Moreh, Comment to “Dynamics of supercooled confined water measured by deep inelastic neutron scattering”, Front. Phys. 14(5), 53605 (2019)
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| 2 |
V. De Michele, G. Romanelli, and A. Cupane, Dynamics of supercooled confined water measured by deep inelastic neutron scattering, Front. Phys. 13(1), 138205 (2018)
https://doi.org/10.1007/s11467-017-0699-1
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| 3 |
T. S. Grigera, V. Martín-Mayor, G. Parisi, and P. Verrocchio, Vibrational spectrum of topologically disordered systems, Phys. Rev. Lett. 87(8), 085502 (2001)
https://doi.org/10.1103/PhysRevLett.87.085502
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| 4 |
Yu. M. Galperin, V. G. Karpov, and V. I. Kozub, Localized states in glasses, Adv. Phys. 38(6), 669 (1989)
https://doi.org/10.1080/00018738900101162
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| 5 |
V. Lubchenko and P. G. Wolynes, The origin of the boson peak and thermal conductivity plateau in lowtemperature glasses, Proc. Natl. Acad. Sci. USA 100(4), 1515 (2003)
https://doi.org/10.1073/pnas.252786999
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| 6 |
A. Cupane, M. Fomina, and G. Schirò, The boson peak of deeply cooled confined water reveals the existence of a low-temperature liquid–liquid crossover, J. Chem. Phys. 141, 18C510 (2014)
https://doi.org/10.1063/1.4895793
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| 7 |
Y. Finkelstein and R. Moreh, Applying semi-empirical quantum harmonic calculations for studying the atomic kinetic energies in hydrogen bonded systems, Curr. Phys. Chem. 7(1), 3 (2017)
https://doi.org/10.2174/1877946807666170117121857
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| 8 |
F. Perakis, G. Camisasca, T. J. Lane, A. Späh, K. T. Wikfeldt, et al., Coherent X-rays reveal the influence of cage effects on ultrafast water dynamics, Nat. Commun. 9(1), 1917 (2018)
https://doi.org/10.1038/s41467-018-04330-5
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| 9 |
V. De Michele, G. Romanelli, and A. Cupane, Kinetic energy and radial momentum distribution of hydrogen and oxygen atoms of water confined in silica hydrogel in the temperature interval 170–325 K, Sci. China Phys. Mech. & Astron. 62, 107012 (2019)
https://doi.org/10.1007/s11433-019-9420-1
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