Chiral-stress-energy-momentum tensor for covariant description of spin and torque densities of light

Mikko Partanen; Jukka Tulkki

doi:10.1117/12.3002794

12 March 2024 Chiral-stress-energy-momentum tensor for covariant description of spin and torque densities of light

Mikko Partanen, Jukka Tulkki

Proceedings Volume 12901, Complex Light and Optical Forces XVIII; 129010F (2024) https://doi.org/10.1117/12.3002794
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

The measurement of the spin angular momentum of circularly polarized light by Beth [Phys. Rev. 50, 115 (1936)] can be explained by using a microscopic torque density. However, the experiment does not resolve the space- and time-dependent evolution of the spin density of light and the wave plate and the covariant form of the microscopic torque density. Here we focus on the covariant description of the helicity, spin, and torque densities of light in materials using the chiral-stress-energy-momentum tensor. We also perform simulations of Gaussian light pulses in quarter-wave-plate geometries made of birefringent and dielectric materials.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Mikko Partanen and Jukka Tulkki "Chiral-stress-energy-momentum tensor for covariant description of spin and torque densities of light", Proc. SPIE 12901, Complex Light and Optical Forces XVIII, 129010F (12 March 2024); https://doi.org/10.1117/12.3002794

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