2014/01/31 by L. V. Gerasimov, V. M. Ezhova, D. V. Kupriyanov +6
Chemistry · Physics and Astronomy · #Atomic physics #Chemistry #Cold Atom Physics and Bose-Einstein Condensates #Condensed matter physics #Instability #Magnetic field #Materials science #Molecular physics #Physics #Polarization (electrochemistry) #Quantum mechanics #Quantum optics and atomic interactions #Radiation #Radiation trapping #Raman scattering #Raman spectroscopy #Random lasers and scattering media #Zeeman effect #physics.atom-ph #quant-ph
paper · pdf · doi:10.1103/physreva.90.013814
published as Phys. Rev. A 90, 013814 (2014) · 14 pages, 9 figures, accepted for publication in Physical Review A
arxiv created 2014/06/24 · openalex publication_date 2014/07/11 · arxiv updated 2014/07/22 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We consider the Raman process developing in a disordered medium of alkali-metal atoms when the scattered modes are trapped on a closed transition. Our theoretical analysis, based on numerical simulations of the Bethe-Salpeter equation for the light correlation function, which includes all Zeeman states and light polarization, lets us track the stimulated amplification as well as the losses associated with the inverse anti-Stokes scattering channel. We discuss possible conditions when this process could approach the instability point and enter the regime of random lasing.