Collective spontaneous instability of the ground state of molecules near the surface of an active medium Conference Paper uri icon


  • An active medium placed in the vicinity of a small sample of molecules can give rise to collective spontaneous instability of their ground energy level, leading to the coherent electromagnetic excitation of molecules. Furthermore, it also leads to the collective Lamb shift of the transition frequency. The effect was due to the modified and phase-shifted near field of oscillating molecular dipoles which was amplified by a nearby medium and changes the electromagnetic back-interaction force acting on the high-frequency dipoles. This non-radiative channel of energy transfer between molecules and a medium may prevail over usual radiation reaction. It provides an ultrafast mechanism of excitation of molecules without their radiative pumping.

author list (cited authors)

  • Belyanin, A. A., Kocharovsky, V. V., & Kocharovsky, V. V.

complete list of authors

  • Belyanin, AA||Kocharovsky, VV||Kocharovsky, VV

publication date

  • January 1996