Negative torque and many-body non-conservative dynamics in optical matter systems

Norbert F. Scherer

doi:10.1117/12.2568967

22 August 2020 Negative torque and many-body non-conservative dynamics in optical matter systems

Norbert F. Scherer

Proceedings Volume 11463, Optical Trapping and Optical Micromanipulation XVII; 114630Y (2020) https://doi.org/10.1117/12.2568967
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

Electrodynamic interactions among nano-particle constituents of optical matter (OM) systems (in solution) formed in optical traps can exhibit dynamics arising from asymmetric center-of-mass forces and torques due to broken symmetry or through many body interactions. This talk will describe the origins of negative torque in 3-or more nano-particle OM arrays and the spin-to-orbital angular momentum conversion that drives the mechanical motion. The scattered fields can be exploited to create self-assembling optical matter machines. Understanding these systems and their dynamics requires close interaction of specialized electrodynamics-Langevin dynamics simulations with field strength and spatial phase that match the experimental conditions.

Conference Presentation

Citation Download Citation

Norbert F. Scherer "Negative torque and many-body non-conservative dynamics in optical matter systems", Proc. SPIE 11463, Optical Trapping and Optical Micromanipulation XVII, 114630Y (22 August 2020); https://doi.org/10.1117/12.2568967

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