Nonequilibrium Dynamics Induced by Scattering Forces for Optically Trapped Nanoparticles in Strongly Inertial Regimes.
@article{Amarouchene2018NonequilibriumDI, title={Nonequilibrium Dynamics Induced by Scattering Forces for Optically Trapped Nanoparticles in Strongly Inertial Regimes.}, author={Yacine Amarouchene and Matthieu Mangeat and Benjamin Vidal Montes and Luk{\'a}{\vs} Ondi{\vc} and Thomas Guerin and D. Dean and Yann Louyer}, journal={Physical review letters}, year={2018}, volume={122 18}, pages={ 183901 } }
The forces acting on optically trapped particles are commonly assumed to be conservative. Nonconservative scattering forces induce toroidal currents in overdamped liquid environments, with negligible effects on position fluctuations. However, their impact in the underdamped regime remains unexplored. Here, we study the effect of nonconservative scattering forces on the underdamped nonlinear dynamics of trapped nanoparticles at various air pressures. These forces induce significant low-frequency…
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References
SHOWING 1-10 OF 36 REFERENCES
Role of nonconservative scattering forces and damping on Brownian particles in optical traps.
- PhysicsPhysical review. E
- 2019
We consider a model of a particle trapped in a harmonic optical trap but with the addition of a nonconservative radiation induced force. This model is known to correctly describe experimentally…
Noise associated with nonconservative forces in optical traps.
- PhysicsPhysical review. E, Statistical, nonlinear, and soft matter physics
- 2011
A model is introduced which reproduces the nonequilibrium effects, and in which the magnitude of additional position fluctuations can be calculated in closed form, and the ratio of additional nonconservative fluctuations to direct thermal fluctuations scales inversely with the square root of trap power.
Quantitative assessment of non-conservative radiation forces in an optical trap
- Physics
- 2009
The forces acting on an optically trapped particle are usually assumed to be conservative. However, the presence of a non-conservative component has recently been demonstrated. Here, we propose a…
Perturbative theory for Brownian vortexes.
- PhysicsPhysical review. E, Statistical, nonlinear, and soft matter physics
- 2015
A theory based on a perturbative expansion of the Fokker-Planck equation for weak nonconservative driving accounts for the rich phenomenology observed in experiments on micrometer-scale colloidal spheres in optical tweezers.
Stiffness of optical traps: quantitative agreement between experiment and electromagnetic theory.
- PhysicsPhysical review letters
- 2005
The first quantitative agreement between measured and calculated stiffnesses of optically trapped particles in the subwavelength regime is presented. It is shown for all three dimensions that the…
Direct measurement of the nonconservative force field generated by optical tweezers.
- PhysicsPhysical review letters
- 2009
Zeptonewton force sensing with nanospheres in an optical lattice
- Physics
- 2016
Optically trapped nanospheres in high vacuum experience little friction and hence are promising for ultrasensitive force detection. Here we demonstrate measurement times exceeding ${10}^{5}$ s and…
Thermal broadening of the power spectra of laser-trapped particles in vacuum
- Physics
- 2017
We show that, at low pressures, the spectral widths of the power spectra of laser-trapped particles are nearly independent from pressures and, due to the nonlinearities of the trap, reflect the…
Subkelvin parametric feedback cooling of a laser-trapped nanoparticle.
- PhysicsPhysical review letters
- 2012
The trapping and cooling scheme presented here opens new routes for testing quantum mechanics with mesoscopic objects and for ultrasensitive metrology and sensing.
Near-field interferometry of a free-falling nanoparticle from a point-like source.
- PhysicsNature communications
- 2014
An interferometer with a levitated, optically cooled and then free-falling silicon nanoparticle in the mass range of one million atomic mass units, delocalized over >150 nm is proposed and indicates that this is a viable route towards macroscopic high-mass superpositions using available technology.