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Bose fellowship","award":["DST0165"],"award-info":[{"award-number":["DST0165"]}]},{"DOI":"10.13039\/501100001843","name":"Science and Engineering Research Board","doi-asserted-by":"publisher","award":["DST02020"],"award-info":[{"award-number":["DST02020"]}],"id":[{"id":"10.13039\/501100001843","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001412","name":"Council of Scientific and Industrial Research, India","doi-asserted-by":"publisher","award":["09\/079(2670)\/2015-EMR-I"],"award-info":[{"award-number":["09\/079(2670)\/2015-EMR-I"]}],"id":[{"id":"10.13039\/501100001412","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2020,2,14]]},"abstract":"<jats:p>Motions of two distinct ions can get correlated because the polarization induced by the ions can propagate through intervening water and can interfere with each other. This important aspect, which is not included in the continuum model based theories, has not been studied adequately. We calculate the effective force between two oppositely charged and similarly charged ions fixed in water as a function of separation distance R. At short separations, R less than 1.5 nm, the effective force vastly differs from the 1\/\u03b5sR2 dependence advocated by the screened Coulomb\u2019s force law (SCFL), where \u03b5s is the static dielectric constant of the medium. This breakdown of the SCFL is shown to be due to the persistent interference between the polarizations created by the two charges in a manner similar to the vortex\u2013antivortex pair formation in the XY model Hamiltonian. The distance dependence of dielectric constants, \u03b5s(R), extracted from our simulation exhibits interesting features and can be used in future modeling. In addition, we show that the force\u2013force time autocorrelation between two neighboring ions decays differently at short separation and analyze the friction on the ion pair at different separation distances.<\/jats:p>","DOI":"10.1063\/1.5133753","type":"journal-article","created":{"date-parts":[[2020,2,14]],"date-time":"2020-02-14T14:01:20Z","timestamp":1581688880000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":2,"title":["Ion pair correlations due to interference between solvent polarizations induced in water"],"prefix":"10.1063","volume":"152","author":[{"given":"Puja","family":"Banerjee","sequence":"first","affiliation":[{"name":"Solid State and Structural Chemistry Unit, Indian Institute of Science , Bangalore, Karnataka 560012, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7146-5994","authenticated-orcid":false,"given":"Biman","family":"Bagchi","sequence":"additional","affiliation":[{"name":"Solid State and Structural Chemistry Unit, Indian Institute of Science , Bangalore, Karnataka 560012, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"317","published-online":{"date-parts":[[2020,2,14]]},"reference":[{"key":"2023070201323406400_c1","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1146\/annurev.pc.15.100164.001103","volume":"15","year":"1964","journal-title":"Annu. 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