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Day August 29, 2014

Three-level \(\Lambda\)-type atomic systems with a Pseudo-Hermitian PT-symmetric Hamiltonian

Amarendra K. Sarma, Balla Prannay

We have studied a three-level \(\Lambda\)-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.
Quantum Physics (quant-ph); Optics (physics.optics)