Kavli Affiliate: Rudolf Podgornik
| First 5 Authors: Guangle Du, David S. Dean, Bing Miao, Rudolf Podgornik,
| Summary:
It is well established that the long-range component of the thermal van der
Waals interaction between two semi-infinite dielectrics becomes short-range
when an electrolyte is present between them, this is the well known phenomenon
of screening. In Phys. Rev. Lett, 133, 238002 (2024) it was shown that for a
binary symmetric electrolyte, an electric field parallel to the dielectric
boundaries disrupts screening and a long-range thermal repulsive interaction
appears. At large applied fields this long-range repulsive interaction can be
explained by the fact that the cations and anions have differing average drifts
moving in opposite directions, leading to the correlation of charge density
fluctuations between the two species to decouple. Here we extend these results
to binary electrolytes which are asymmetric as well as electrolytes with more
than two ionic species.
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