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This study conducts a comprehensive investigation into the reversal mechanism of magnetic vortex cores in a nanopillar system composed of two coupled ferromagnetic dots under zero magnetic field conditions. The research employs a…

Materials Science · Physics 2023-02-24 A. Hamadeh , A. Koujok , S. Perna , D. R. Rodrigues , A. Riveros , V. Lomakin , G. Finocchio , G. de Loubens , O. Klein , P. Pirro

In order to understand the physical processes of nanopore experiments at the molecular level, microscopic information from molecular dynamics is greatly needed. Coarse-grained models are a good alternative to classical all-atom models since…

Soft Condensed Matter · Physics 2025-10-16 Delphine Dessaux , Jérôme Mathé , Rosa Ramirez , Nathalie Basdevant

We propose a physical mechanism for fine-tuning the phase of a domain wall around the equilibrium directions involving the application of an external field and a spin polarized current in opposite directions. In this way, the position of…

The permeation, rejection, and transport of electrolytes in water-filled nanopores are critical to ion current gating and desalinalion processes in synthetic porous membranes and the functions of biological ion channels. Mile the effects of…

Statistical Mechanics · Physics 2008-04-29 Kevin Leung

The critical current of a thin superconducting strip of width $W$ much larger than the Ginzburg-Landau coherence length $\xi$ but much smaller than the Pearl length $\Lambda = 2 \lambda^2/d$ is maximized when the strip is straight with…

Superconductivity · Physics 2015-06-03 John R. Clem , Yasunori Mawatari , G. R. Berdiyorov , F. M. Peeters

In solid-state nanopores, achieving reliable control over pore aperture opening and closing (gating) remains a major challenge. Gating can be driven by the applied voltage involving electrically tunable chemical reactions, achieved by…

Full one-loop electroweak-corrections for an $e^-e^+\rightarrow t \bar{t}$ process associated with sequential $t\rightarrow b \mu\nu_\mu$ decay are discussed. At the one-loop level, the spin-polarization effects of the initial electron and…

High Energy Physics - Phenomenology · Physics 2018-06-25 Nhi M. U. Quach , Yoshimasa Kurihara , Khiem H. Phan , Takahiro Ueda

Ion transport in perm-selective media has been extensively investigated in recent years owing to its applications in advancements of fundamental understanding of nanoscale electrokinetics as well as innovative engineering applications. A…

Fluid Dynamics · Physics 2019-10-31 Junsuk Kim , Keon Huh , Ali Mani , Sung Jae Kim

Adding porosity to battery electrodes is believed to be universally useful for adding space to accommodate volumetric expansion, electrolyte access to all active materials, helping to mitigate poor C-rate performance for thicker electrodes…

Applied Physics · Physics 2020-08-26 Sally O'Hanlon , David McNulty , Ruiyuan Tian , Jonathan Coleman , Colm O'Dwyer

We theoretically find that the resistance of a superconducting microbridge/nanowire {\it decreases} while the retrapping current $I_r$ for the transition to the superconducting state {\it increases} when one suppresses the magnitude of the…

Superconductivity · Physics 2015-05-30 D. Y. Vodolazov , F. M. Peeters

We investigate theoretically and experimentally the transport properties of a plain Al superconducting strip in the presence of a single straight current-carrying wire, oriented perpendicular to the superconducting strip. It is well known…

Cosmic rays (CRs) can significantly impact dense molecular clouds in galaxies, heating the interstellar medium (ISM) and altering its chemistry, ionization, and thermal properties. Their influence is particularly relevant in environments…

Astrophysics of Galaxies · Physics 2026-05-20 E. Koutsoumpou , J. A. Fernández-Ontiveros , K. M. Dasyra , L. Spinoglio

A challenge for nuclear physics is to measure masses of exotic nuclei up to the limits of nuclear existence which are characterized by low production cross sections and short half-lives. The large acceptance Collector Ring (CR) at FAIR…

Accelerator Physics · Physics 2013-05-27 S. Litvinov , D. Toprek , H. Weick , A. Dolinskii

The optimal functioning of nanopore-based biosensing tools necessitates rapid polymer capture from the ion reservoir. We identify an ionic correlation-induced transport mechanism that provides this condition without the chemical…

Soft Condensed Matter · Physics 2018-05-10 Sahin Buyukdagli

The directed self-assembly of colloidal nanoparticles (NPs) using external fields guides the formation of sophisticated hierarchical materials but becomes less effective with decreasing particle size. As an alternative, electron-beam-driven…

Soft Condensed Matter · Physics 2024-09-13 Jonathan G. Raybin , Ethan J. Dunsworth , Veronica Guo , Naomi S. Ginsberg

Ionic transports in nanopores hold the key to unlocking the full potential of bi-continuous nanoporous (NP) metals as advanced electrodes in electrochemical devices. The precise control of the uniform NP metal structures also provides us a…

Directed ion transport in liquid electrolyte solutions underlies many phenomena in Nature and industry. While Nature has devised structures that drive continuous ion flow without Faradaic redox reactions, artificial analogs do not exist.…

The use of electrophoretic forces to tune friction at material-nanoparticle-liquid interfaces with static or low frequency (0.6-50 mHz) electric fields is reported for the first time. External electric fields were employed to reposition…

Soft Condensed Matter · Physics 2019-01-31 Biplav Acharya , Caitlin M. Seed , Donald W. Brenner , Alex I. Smirnov , Jacqueline Krim

Strongly-interacting nanomagnetic arrays are crucial across an ever-growing suite of technologies. Spanning neuromorphic computing, control over superconducting vortices and reconfigurable magnonics, the utility and appeal of these arrays…

Mesoscale and Nanoscale Physics · Physics 2020-12-18 J. C. Gartside , S. G. Jung , S. Y. Yoo , D. M. Arroo , A. Vanstone , T. Dion , K. D. Stenning , W. R. Branford

Methods for reducing and directly controlling the speed of DNA through a nanopore are needed to enhance sensing performance for direct strand sequencing and detection/mapping of sequence-specific features. We have created a method for…

Biological Physics · Physics 2018-11-28 Xu Liu , Yuning Zhang , Roland Nagel , Walter Reisner , William B. Dunbar