2008/03/17 by Jan E. S. Bergman, J. Bergman, Siavoush M. Mohammadi +17
Biochemistry, Genetics and Molecular Biology · Materials Science · Physics and Astronomy · #Classical Physics (physics.class-ph) #FOS: Physical sciences #Geomagnetism and Paleomagnetism Studies #Ionosphere and magnetosphere dynamics #Magnetic Properties and Applications #Optics (physics.optics) #physics.class-ph #physics.optics
paper · pdf · doi:10.48550/arxiv.0803.2383
3 pages, 1 figure. Major revision
openalex publication_date 2008/03/17 · arxiv created 2008/05/09 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Starting from positive and negative helicity Maxwell equations expressed in Riemann-Silberstein vectors, we derive the ten usual and ten additional Poincaré invariants, the latter being related to the electromagnetic spin, i.e., the intrinsic rotation, or state of polarization, of the electromagnetic fields. Some of these invariants have apparently not been discussed in the literature before.