Quantum Entanglement and Axion Physics

Abstract

The axion particle is the outcome of the proposed Peccei-Quinn mechanism for solving the strong CP problem. Axion is also a popular dark matter candidate. Thus there is an increased interest in establishing its existence. Axions couple to two photons and most experiments search for the transition of an axion into a photon, in the presence of a magnetic field. In our study we examine the coupling of the axion into a pair of entangled photons. The presence of a magnetic field changes the polarization correlations of the entagled photons, thus offering an unambiguous signature for axion existence

arXiv comment4 pages

References in corpus (6)

• Revisiting the SN1987A gamma-ray limit on ultralight axion-like particles
• Light shining through walls
• The large-scale modulation of the density distribution in standard axionic CDM and its cosmological and physical impact
• Constraining the photon-axion coupling constant with magnetic white dwarfs
• Photon-axion mixing in thermal emission of isolated neutron stars
• GPS and the Search for Axions