Hidden Slow Dynamics in Water

Helén Jansson, Rikard Bergman, and Jan Swenson
Phys. Rev. Lett. 104, 017802 – Published 8 January 2010

Abstract

It is well known that the structural and dynamical properties of water are of central importance for life on our planet. However, despite this knowledge its structural and dynamical properties are still far from fully understood. In this Letter we show for the first time that water exhibits an anomalously slow relaxation process, which is about 4 orders of magnitude slower than the viscosity-related structural main relaxation. This slow Debye-like process has previously only been observed in monoalcohols and more recently also in polyalcohols, and due to its slowness it is generally believed to be caused by some kind of collective motion of hydrogen-bonded structures. The new finding has important structural and dynamical implications for water.

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  • Received 21 October 2009

DOI:https://doi.org/10.1103/PhysRevLett.104.017802

©2010 American Physical Society

Authors & Affiliations

Helén Jansson, Rikard Bergman, and Jan Swenson*

  • Department of Applied Physics, Chalmers University of Technology, 412 96 Göteborg, Sweden

  • *To whom correspondence should be addressed. jan.swenson@chalmers.se.

Comments & Replies

Comment on “Hidden Slow Dynamics in Water”

Catalin P. Gainaru and Roland Böhmer
Phys. Rev. Lett. 104, 249803 (2010)

Comment on “Hidden Slow Dynamics in Water”

R. Richert
Phys. Rev. Lett. 104, 249801 (2010)

See Also

Jansson, Bergman, and Swenson Reply:

H. Jansson, R. Bergman, and J. Swenson
Phys. Rev. Lett. 104, 249802 (2010)

Jansson, Bergman, and Swenson Reply:

H. Jansson, R. Bergman, and J. Swenson
Phys. Rev. Lett. 104, 249804 (2010)

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Vol. 104, Iss. 1 — 8 January 2010

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