Juan Ruben Gomez-Solano
YOU?
Author Swipe
View article: A stochastic Stirling engine powered by an active particle
A stochastic Stirling engine powered by an active particle Open
We investigate a model of a stochastic engine operating cyclically in a viscous fluid at constant temperature, where the working substance consists of an overdamped Brownian particle confined by a harmonic potential, which is elastically c…
View article: Transition path time over a barrier of a colloidal particle in a viscoelastic bath
Transition path time over a barrier of a colloidal particle in a viscoelastic bath Open
We experimentally study the statistics of the transition path time taken by a submicron bead to successfully traverse an energy barrier created by two optical tweezers in two prototypical viscoelastic fluids, namely, aqueous polymer and mi…
View article: Experimental measurement of mean transition path velocities of colloidal particles surmounting energy barriers
Experimental measurement of mean transition path velocities of colloidal particles surmounting energy barriers Open
Transition paths are rare events occurring when a system, thanks to the effect of fluctuations, crosses successfully from one stable state to another by surmounting an energy barrier. Even though they are of great significance in many meso…
View article: Transition path time over a barrier of a colloidal particle in a viscoelastic bath
Transition path time over a barrier of a colloidal particle in a viscoelastic bath Open
We experimentally study the statistics of the transition path time taken by a submicron bead to successfully traverse an energy barrier created by two optical tweezers in two prototypical viscoelastic fluids, namely, aqueous polymer and mi…
View article: Energy fluctuations of a Brownian particle freely moving in a liquid
Energy fluctuations of a Brownian particle freely moving in a liquid Open
We study the statistical properties of the variation of the kinetic energy of a spherical Brownian particle that freely moves in an incompressible fluid at constant temperature. Based on the underdamped version of the generalized Langevin …
View article: Experimental measurement of mean transition path velocities of colloidal particles surmounting energy barriers
Experimental measurement of mean transition path velocities of colloidal particles surmounting energy barriers Open
Transition paths are rare events occurring when a system, thanks to the effect of fluctuations, crosses successfully from one stable state to another by surmounting an energy barrier. Even though they are of great significance in many meso…
View article: Energy fluctuations of a Brownian particle freely moving in a liquid
Energy fluctuations of a Brownian particle freely moving in a liquid Open
We study the statistical properties of the variation of the kinetic energy of a spherical Brownian particle that freely moves in an incompressible fluid at constant temperature. Based on the underdamped version of the generalized Langevin …
View article: Stochastic energetics of a colloidal particle trapped in a viscoelastic bath
Stochastic energetics of a colloidal particle trapped in a viscoelastic bath Open
We investigate the statistics of the fluctuations of the energy transfer between an overdamped Brownian particle, whose motion is confined by a stationary harmonic potential, and a surrounding viscoelastic fluid at constant temperature. We…
View article: Stochastic energetics of a colloidal particle trapped in a viscoelastic bath
Stochastic energetics of a colloidal particle trapped in a viscoelastic bath Open
We investigate the statistics of the fluctuations of the energy transfer between an overdamped Brownian particle, whose motion is confined by a stationary harmonic potential, and a surrounding viscoelastic fluid at constant temperature. We…
View article: A Brownian cyclic engine operating in a viscoelastic active suspension
A Brownian cyclic engine operating in a viscoelastic active suspension Open
We investigate a model for a Stirling-like engine consisting of a passive Brownian particle confined by a harmonic potential and interacting with a suspension of active Brownian particles that self-propel in a viscous solvent, which cyclic…
View article: Nonequilibrium dynamical structure of a dilute suspension of active particles in a viscoelastic fluid
Nonequilibrium dynamical structure of a dilute suspension of active particles in a viscoelastic fluid Open
In this work, we investigate the dynamics of the number density fluctuations of a dilute suspension of active particles in a linear viscoelastic fluid. We propose a model for the frequency-dependent diffusion coefficient of the active part…
View article: Relaxation to steady states of a binary liquid mixture around an optically heated colloid
Relaxation to steady states of a binary liquid mixture around an optically heated colloid Open
We study the relaxation dynamics of a binary liquid mixture near a light-absorbing Janus particle after switching on and off illumination using experiments and theoretical models. The dynamics is controlled by the temperature gradient form…
View article: Work Extraction and Performance of Colloidal Heat Engines in Viscoelastic Baths
Work Extraction and Performance of Colloidal Heat Engines in Viscoelastic Baths Open
A colloidal particle embedded in a fluid can be used as a microscopic heat engine by means of a sequence of cyclic transformations imposed by an optical trap. We investigate a model for the operation of such kind of Brownian engines when t…
View article: Fluid Viscoelasticity Triggers Fast Transitions of a Brownian Particle in a Double Well Optical Potential
Fluid Viscoelasticity Triggers Fast Transitions of a Brownian Particle in a Double Well Optical Potential Open
Thermally activated transitions are ubiquitous in nature, occurring in complex environments which are typically conceived as ideal viscous fluids. We report the first direct observations of a Brownian bead transiting between the wells of a…
View article: Optical tweezers — from calibration to applications: a tutorial
Optical tweezers — from calibration to applications: a tutorial Open
Since their invention in 1986 by Arthur Ashkin and colleagues, optical tweezers have become an essential tool in several fields of physics, spectroscopy, biology, nanotechnology, and thermodynamics. In this tutorial, we provide a primer on…
View article: Active particles with fractional rotational Brownian motion
Active particles with fractional rotational Brownian motion Open
We study the two-dimensional overdamped motion of an active particle whose orientational dynamics is subject to fractional Brownian noise, whereas its position is affected by self-propulsion and Brownian fluctuations. From a Langevin-like …
View article: Optical Tweezers: A Comprehensive Tutorial from Calibration to\n Applications
Optical Tweezers: A Comprehensive Tutorial from Calibration to\n Applications Open
Since their invention in 1986 by Arthur Ashkin and colleagues, optical\ntweezers have become an essential tool in several fields of physics,\nspectroscopy, biology, nanotechnology, and thermodynamics. In this Tutorial, we\nprovide a primer…
View article: Optical Tweezers: A Comprehensive Tutorial from Calibration to Applications
Optical Tweezers: A Comprehensive Tutorial from Calibration to Applications Open
Since their invention in 1986 by Arthur Ashkin and colleagues, optical tweezers have become an essential tool in several fields of physics, spectroscopy, biology, nanotechnology, and thermodynamics. In this Tutorial, we provide a primer on…
View article: Correction: Transient coarsening and the motility of optically heated Janus colloids in a binary liquid mixture
Correction: Transient coarsening and the motility of optically heated Janus colloids in a binary liquid mixture Open
Correction for ‘Transient coarsening and the motility of optically heated Janus colloids in a binary liquid mixture’ by Juan Ruben Gomez-Solano et al., Soft Matter, 2020, DOI: 10.1039/d0sm00964d.
View article: Transient coarsening and the motility of optically heated Janus colloids in a binary liquid mixture
Transient coarsening and the motility of optically heated Janus colloids in a binary liquid mixture Open
We study experimentally and theoretically the non-equilibrium dynamics of a binary solvent around a gold-capped Janus particle, lasting from the very moment of switching illumination on until a steady state is reached.
View article: Generalized Ornstein-Uhlenbeck model for active motion
Generalized Ornstein-Uhlenbeck model for active motion Open
We investigate a one-dimensional model of active motion, which takes into account the effects of persistent self-propulsion through a memory function in a dissipative-like term of the generalized Langevin equation for particle swimming vel…
View article: Memory-Induced Transition from a Persistent Random Walk to Circular Motion for Achiral Microswimmers
Memory-Induced Transition from a Persistent Random Walk to Circular Motion for Achiral Microswimmers Open
We experimentally study the motion of light-activated colloidal microswimmers in a viscoelastic fluid. We find that, in such a non-Newtonian environment, the active colloids undergo an unexpected transition from enhanced angular diffusion …
View article: Oscillating modes of driven colloids in overdamped systems
Oscillating modes of driven colloids in overdamped systems Open
View article: Dynamics of Self-Propelled Janus Particles in Viscoelastic Fluids
Dynamics of Self-Propelled Janus Particles in Viscoelastic Fluids Open
We experimentally investigate active motion of spherical Janus colloidal particles in a viscoelastic fluid. Self-propulsion is achieved by a local concentration gradient of a critical polymer mixture which is imposed by laser illumination.…
View article: Transient dynamics of a colloidal particle driven through a viscoelastic fluid
Transient dynamics of a colloidal particle driven through a viscoelastic fluid Open
We study the transient motion of a colloidal particle actively dragged by an optical trap through different viscoelastic fluids (wormlike micelles, polymer solutions, and entangled λ-phage DNA). We observe that, after sudden removal of the…
View article: Non-equilibrium work distribution for interacting colloidal particles under friction
Non-equilibrium work distribution for interacting colloidal particles under friction Open
We experimentally investigate the distribution of the non-equilibrium work\ndone by an external force on a mesoscopic system with many coupled degrees of\nfreedom: a colloidal monolayer mechanically driven across a periodic light\nfield. S…