Absorption spectrum of water as a reflection of charge diffusion

A. A. Volkov; V. G. Artemov; A. A. Volkov; N. N. Sysoev

doi:10.3103/S1062873818010239

Absorption spectrum of water as a reflection of charge diffusion

Authors: Volkov A.A.¹, Artemov V.G.¹, Volkov A.A.², Sysoev N.N.²
Affiliations:
1. Prokhorov General Physics Institute
2. Faculty of Physics
Issue: Vol 82, No 1 (2018)
Pages: 59-63
Section: Proceedings of the XVI A.P. Sukhorukov National Seminar “The Physics and Applications of Microwaves” (“Waves-2017”)
URL: https://journals.rcsi.science/1062-8738/article/view/185280
DOI: https://doi.org/10.3103/S1062873818010239
ID: 185280

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Abstract

The absorption spectrum of liquid water in the range of 10³–10¹³ Hz (from dc conductivity of up to 5 THz IR resonance) is completely and uniformly described by a simple physical model. The model assumes the existence in water of a high concentration of H₃O⁺ and OH⁻ ions (up to 4.5% of the total number of molecules) that exchange protons with H₂O molecules on the scale of picoseconds.