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We report Molecular Dynamics (MD) simulations of a generic hydrophobic nanopore connecting two reservoirs which are initially at different Na+ concentrations, as in a biological cell. The nanopore is impermeable to water under equilibrium…

Biological Physics · Physics 2009-11-10 J. Dzubiella , R. J. Allen , J. -P. Hansen

We develop a theory of charge storage in ultra-narrow slit-like pores of nano\-structured electrodes. Our analysis is based on the Blume-Capel model in external field, which we solve analytically on a Bethe lattice. The obtained solutions…

Soft Condensed Matter · Physics 2020-01-08 Maxym Dudka , Svyatoslav Kondrat , Olivier Bénichou , Alexei A. Kornyshev , Gleb Oshanin

Progress in miniaturized technology allows us to control physical systems at nanoscale with remarkable precision. Experimental advancements have sparked interest in control problems in stochastic thermodynamics, typically concerning a…

Statistical Mechanics · Physics 2025-03-26 Julia Sanders , Marco Baldovin , Paolo Muratore-Ginanneschi

Nanoscale control of charge doping in two-dimensional (2D) materials permits the realization of electronic analogs of optical phenomena, relativistic physics at low energies, and technologically promising nanoelectronics. Electrostatic…

In this work, we develop and analyze adaptive feedback control strategies to stabilize and confine a nanoparticle at the unstable intensity minimum of an optical double-well potential. The resulting stochastic optimal control problem for a…

We propose to control of an electron-hole superfluid in semiconductor coupled quantum wells and double layers of two-dimensional (2D) material by an external periodic field. This can either be created by the gates periodically located and…

Mesoscale and Nanoscale Physics · Physics 2019-11-01 O. L. Berman , R. Ya. Kezerashvili , Y. E. Lozovik , K. G. Ziegler

We propose a new scheme for supplying voltages to the electrodes of microfabricated ion traps, enabling access to a regime in which changes to the trapping potential are made on timescales much shorter than the period of the secular…

Quantum Physics · Physics 2015-09-29 J. Alonso , F. M. Leupold , B. C. Keitch , J. P. Home

A robust control scheme is derived and tested for the Navier-Stokes equations for two-dimensional multiphase flow of a thin film underneath an inclined solid surface. Control is exerted via the use of an electrode parallel to the substrate,…

Fluid Dynamics · Physics 2022-12-29 Alexander W. Wray , Radu Cimpeanu , Susana N. Gomes

We investigate the formation of the one-dimensional channels on the topological surface under the gate electrode. The energy dispersion of these channels is almost linear in the momentum with the velocity sensitively depending on the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Takehito Yokoyama , Alexander V. Balatsky , Naoto Nagaosa

We realize a superconducting nanodevice in which vortex traps in the form of an aluminum square are integrated with a Dayem nanobridge. We perform field-cooling of the traps arriving to different vortex configurations, dependent on the…

A surprising phenomenon is presented: a bubble, produced from water electrolysis, is immobilized in the liquid (as if the Archimedes' buoyant force were annihilated). This is achieved using a nanoelectrode (1 nm to 1 $\mu$m of curvature…

Soft Condensed Matter · Physics 2017-02-07 Z Hammadi , L Lapena , R Morin , J Olives

A simple model of water nanoelectrolysis-defined as the nanolocalization at a single point of any electrolysis phenomenon-is presented. It is based on the electron tunneling assisted by the electric field through the thin film of water…

Chemical Physics · Physics 2019-04-25 Juan Olives , Zoubida Hammadi , Roger Morin , Laurent Lapena

A periodic array of atomic sites, described within a tight binding formalism is shown to be capable of trapping electronic states as it grows in size and gets stubbed by an atom or an atomic clusters from a side in a deterministic way. We…

Disordered Systems and Neural Networks · Physics 2018-03-13 Amrita Mukherjee , Atanu Nandy , Arunava Chakrabarti

Trapping nanoscopic objects to observe their dynamic behaviour for extended periods of time is an ongoing quest. Particularly, sub-100nm transparent objects are hard to catch and most techniques rely on immobilisation or transient diffusion…

Quantitative Methods · Quantitative Biology 2017-01-13 Maria Dienerowitz , Thomas Heitkamp , Thomas Gottschall , Jens Limpert , Michael Borsch

Trapping of microparticles, nanoparticles and aerosols is an issue of major interest for physics and chemistry. We present a setup intended for microparticle trapping in multipole linear Paul trap geometries, operating under Standard…

For many applications, it is important to catch collections of autonomously navigating microbes and man-made microswimmers in a controlled way. Here we propose an efficient trap to collectively capture self-propelled colloidal rods. By…

Soft Condensed Matter · Physics 2012-07-13 A. Kaiser , H. H. Wensink , H. Löwen

Nanofluidics has firmly established itself as a new field in fluid mechanics, as novel properties have been shown to emerge in fluids at the nanometric scale. Thanks to recent developments in fabrication technology, artificial nanofluidic…

Fluid Dynamics · Physics 2020-12-01 Nikita Kavokine , Roland R. Netz , Lydéric Bocquet

We perform computational investigations of electrolyte-mediated interactions of charged colloidal particles confined within nanochannels. We investigate the role of discrete ion effects, valence, and electrolyte strength on colloid-wall…

Soft Condensed Matter · Physics 2023-02-28 Inderbir S. Sidhu , Amalie L. Frischknecht , Paul J. Atzberger

To realize braiding of vortex lines and understand the basic properties of the energy landscape for vortex motion, precise manipulation of superconducting vortices on the nanoscale is required. Here, we reveal that a localized trapping…

The integration of the coupling effects of intrinsic wettability and surface charge in a nanochannel can cause non-intuitive behavior in the electrokinetic energy conversion processes. We demonstrate that in a nanofluidic device the energy…

Fluid Dynamics · Physics 2015-11-12 Chirodeep Bakli , Suman Chakraborty