Atomic spectroscopy and the photon mass: Effects on the 21 cm radiation

作者：Caccavano Adam; Leung P T^*

来源：Physics Letters A, 2013, 377(39): 2777-2779.

DOI：10.1016/j.physleta.2013.08.011

• Photon mass
• Proca electrodynamics
• Yukawa wave function
• 21 cm radiation
• Hyperfine interaction

The effects due to a finite photon mass on atomic spectroscopy are explored, for the purpose of providing yet another approach for setting the upper limit of the photon mass. In particular, the hydrogen 21 cm radiation is recalculated using Proca electrodynamics for the description of the hyperfine interaction, as well as the Yukawa wave function for the ground state atom. The result shows that the leading order correction will be quadratic in the photon mass. With the current limitation of experimental techniques, it will be challenging for this spectroscopic approach to provide a more stringent upper limit for the photon mass.

• 出版日期2013-11-22