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The mechanical degree of freedom is treated as a stochastic classical variable experiencing fluctuations and dissipation induced by the environment as well as force exerted by nonequilibrium, current-carrying electrons. Electronic degrees of freedom are described quantum mechanically using nonequilibrium Green\u2019s functions. Nonequilibrium Green\u2019s functions are computed along the trajectory for the classical variable taking into account dynamical, velocity dependent corrections. This mixed quantum-classical approach enables calculations of time-dependent spin-resolved currents. We showed that the electronic force may significantly modify the classical potential, which, at sufficient voltage, creates a bistable potential with a considerable effect on electronic transport. The DNA\u2019s mechanical motion has a profound effect on spin transport; it results in chiral-induced spin selectivity, increasing spin polarization of the current by 9% and also resulting in temperature-dependent current voltage characteristics. We demonstrate that the current noise measurement provides an accessible experimental means to monitor the emergence of mechanical instability in DNA motion. The spin resolved current noise also provides important dynamical information about the interplay between vibrational and spin degrees of freedom in DNA.<\/jats:p>","DOI":"10.1063\/5.0230466","type":"journal-article","created":{"date-parts":[[2024,10,9]],"date-time":"2024-10-09T10:16:53Z","timestamp":1728469013000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":1,"title":["Current-driven mechanical motion of double stranded DNA results in structural instabilities and chiral-induced-spin-selectivity of electron transport"],"prefix":"10.1063","volume":"161","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1955-9990","authenticated-orcid":false,"given":"Nicholas S.","family":"Davis","sequence":"first","affiliation":[{"name":"College of Science and Engineering, James Cook University 1 , Townsville, Queensland 4811,","place":["Australia"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-4425-382X","authenticated-orcid":false,"given":"Julian A.","family":"Lawn","sequence":"additional","affiliation":[{"name":"College of Science and Engineering, James Cook University 1 , Townsville, Queensland 4811,","place":["Australia"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Riley J.","family":"Preston","sequence":"additional","affiliation":[{"name":"Institute of Physics, University of Freiburg 2 , Hermann-Herder-Strasse 3, 79104 Freiburg,","place":["Germany"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2881-5477","authenticated-orcid":false,"given":"Daniel S.","family":"Kosov","sequence":"additional","affiliation":[{"name":"College of Science and Engineering, James Cook University 1 , Townsville, Queensland 4811,","place":["Australia"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"317","published-online":{"date-parts":[[2024,10,9]]},"reference":[{"issue":"4","key":"2024100910164492900_c1","doi-asserted-by":"publisher","first-page":"4989","DOI":"10.1021\/acsnano.1c01347","article-title":"A chirality-based quantum leap","volume":"16","year":"2022","journal-title":"ACS Nano"},{"key":"2024100910164492900_c2","doi-asserted-by":"publisher","first-page":"250","DOI":"10.1038\/s41570-019-0087-1","article-title":"Chiral molecules and the electron spin","volume":"3","year":"2019","journal-title":"Nat. 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