Conductivity of molten sodium chloride in an alternating electric field | Zendy

Janka Petravic | Zendy; Jérôme Delhommelle | Zendy

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Conductivity of molten sodium chloride in an alternating electric field

Author(s) -

Janka Petravic,

Jérôme Delhommelle

Publication year - 2003

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.1613256

Subject(s) - thermostat , electric field , nonlinear system , sodium , thermodynamics , amplitude , dissipation , electrical resistivity and conductivity , alternating current , materials science , chemistry , condensed matter physics , physics , optics , metallurgy , quantum mechanics , power (physics)

We study the properties of molten sodium chloride in alternating electric fields of two amplitudes and for a large range of frequencies using nonequilibrium molecular dynamics simulations, and compare the responses with two different methods of temperature control to the predictions of linear response theory. We find that the considerable nonlinearity in the resulting current density observed at low frequencies can be explained by the characteristics of the nonlinear response to constant fields. We also comment on the differences in the dissipation mechanisms and the entropy change with two thermostats.

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