2014/08/28 by Amarendra K. Sarma, Sarma, Amarendra K., Balla Prannay +1
Physics and Astronomy · #FOS: Physical sciences #Optics (physics.optics) #Quantum Physics (quant-ph) #physics.optics #quant-ph
paper · pdf · doi:10.48550/arxiv.1408.6672
arxiv created 2014/08/28 · arxiv updated 2014/08/29
We have studied a three-level Λ-type atomic system with all the energy levels exhibiting decay. The system is described by a pseudo-Hermitian Hamiltonian and subject to certain conditions, the Hamiltonian shows parity-time (PT) symmetry. The probability amplitudes of various atomic levels both below and above the PT-theshold is worked out.