English
Related papers

Related papers: Diffusiophoresis driven colloidal manipulation and…

200 papers

Solute gradients next to an interface drive a diffusioosmotic flow, the origin of which lies in the intermolecular interactions between the solute and the interface. These flows on the surface of colloids introduce an effective slip…

Soft Condensed Matter · Physics 2025-06-09 Haoyu Liu , Amir A. Pahlavan

Driven barrier crossings are pervasive in optical-trapping experiments and steered molecular-dynamics simulations. Despite the high fidelity of control, the freedom in the choice of driving protocol is rarely exploited to improve…

Statistical Mechanics · Physics 2022-07-06 Steven Blaber , David A. Sivak

In this article, we study experimentally the dispersion of colloids in a two-dimensional, time independent, Rayleigh-B\'enard flow in the presence of salt gradients. Due to the additional scalar, the colloids do not follow exactly the…

Fluid Dynamics · Physics 2026-01-14 Florence Raynal , Menghua Zhao , Romain Volk

Photophoretic forces, several orders of magnitude stronger than radiation pressure, enable particle trapping at remarkably low optical intensities and have opened pathways to applications in aerosol science, free-space 3D volumetric…

Optics · Physics 2025-12-11 Anita Pahi , Kirty Ranjan Sahoo , Souvik Sil , Ayan Banerjee

Recently, we have experimentally demonstrated a continuous loading mechanism for an optical dipole trap from a guided atomic beam [1]. The observed evolution of the number of atoms and temperature in the trap are consequences of the unusual…

The influence of a fluid-fluid interface on self-phoresis of chemically active, axially symmetric, spherical colloids is analyzed. Distinct from the studies of self-phoresis for colloids trapped at fluid interfaces or in the vicinity of…

Soft Condensed Matter · Physics 2018-01-22 P. Malgaretti , M. N. Popescu , S. Dietrich

The evolution of a system induced by counter-diabatic driving mimics the adiabatic dynamics without the requirement of slow driving. Engineering it involves diagonalizing the instantaneous Hamiltonian of the system and results in the need…

Quantum Physics · Physics 2013-09-05 Adolfo del Campo

Here, we trap and control the position of droplets to study their dynamics using hydrodynamic forces alone without an external field. The hydrodynamic trap is adapted from a previously implemented Stokes trap by incorporating a…

Fluid Dynamics · Physics 2020-11-13 Shweta Narayan , Davis B. Moravec , Andrew J. Dallas , Cari S. Dutcher

We use shortcuts to adiabaticity, a method introduced to speed up adiabatic quantum dynamics, for the efficient generation of entanglement between exciton-polaritons in coupled semiconductor microcavities. A substantial improvement is…

Mesoscale and Nanoscale Physics · Physics 2018-07-10 Dionisis Stefanatos , Emmanuel Paspalakis

In this article we examine the dynamics of a colloidal particle driven by a modulated force over a sinusoidal optical potential energy landscape. Coupling between the competing frequencies of the modulated drive and that of particle motion…

We describe how to control the temporal shape of adiabaton using peculiarities of propagation dynamics under coherent population trapping. Temporal compression is demonstrated as a special case of pulse shaping. The general case of unequal…

Quantum Physics · Physics 2009-11-11 V. G. Arkhipkin , I. V. Timofeev

Shortcuts to adiabaticity (STA) are techniques allowing rapid variation of the system Hamiltonian without inducing excess heating. Fast optical transfer of atoms between different locations is a prime example of an STA application. We show…

Quantum Physics · Physics 2018-09-26 Gal Ness , Constantine Shkedrov , Yanay Florshaim , Yoav Sagi

A density functional theory for colloidal dynamics is presented which includes hydrodynamic interactions between the colloidal particles. The theory is applied to the dynamics of colloidal particles in an optical trap which switches…

Soft Condensed Matter · Physics 2009-11-13 M. Rex , H. Loewen

An antiproton plasma confined in a quasi-1D device is described in terms of a self-consistent fluid formulation using a variational approach. Unlike previous treatments, the use of the time-dependent variational method allows to retain the…

Plasma Physics · Physics 2024-06-19 Luiz Gustavo F. Soares , Fernando Haas

We propose a method to reach conditions of high degeneracy in a trapped Fermi gas, based on the adiabatic transfer of atoms from a magnetic to a tighter optical trap. The transformation yields a large increase of the Fermi energy, without a…

Condensed Matter · Physics 2009-10-31 L. Viverit , S. Giorgini , L. P. Pitaevskii , S. Stringari

We engineer the fast rotation of a quantum particle confined in an effectively one-dimensional, harmonic trap, for a predetermined rotation angle and time, avoiding final excitation. Different schemes are proposed with different speed…

Quantum Physics · Physics 2016-08-03 M. Palmero , Shuo Wang , D. Guéry-Odelin , Jr-Shin Li , J. G. Muga

Active and diffusive motion in Brownian particles are regularly observed in fluidic environments, albeit at different time scales. Here, we experimentally study the dynamics of highly asymmetric microclusters trapped in air employing…

Solute-surface interactions have garnered considerable interest in recent years as a novel control mechanism for driving unique fluid dynamics and particle transport with potential applications in fields such as biomedicine, the development…

Fluid Dynamics · Physics 2023-05-05 Jian Teng , Bhargav Rallabandi , Jesse T. Ault

In this thesis, it is presented a set of results in adiabatic dynamics (closed and open system) and transitionless quantum driving that promote some advances in our understanding on quantum control and Hamiltonian inverse engineering. In…

Quantum Physics · Physics 2021-07-27 Alan C. Santos

The cellular environment, characterized by its intricate composition and spatial organization, hosts a variety of organelles, ranging from membrane-bound ones to membraneless structures that are formed through liquid-liquid phase…

Soft Condensed Matter · Physics 2026-03-09 Gregor Häfner , Marcus Müller