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In the framework of the perturbation theory of the nonrelativistic quantumelectrodynamics, a theory of spontaneous emission of a chiral molecule locatednear a chiral (bi-isotropic) spherical particle is developed. It is shown thatthe structure of photons in the presence of chiral spherical particles differssignificantly from the structure of TE or TM photons. Exact analyticalexpressions for the spontaneous emission radiative decay rate of a chiralmolecule with arbitrary electric and magnetic dipole moments of transitionlocated near a chiral spherical particle with arbitrary parameters are obtainedand analyzed in details. Simple asymptotes for the case of a nanoparticle areobtained. Substantial influence of even small chirality on a dielectric or"left-handed" sphere is found. It is shown that by using chiral sphericalparticles it is possible to control effectively the radiation of enantiomers ofoptically active molecules.

The influence of chiral spherical particles on the radiation of optically active molecules