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quant-ph2018
Realization of Third Order Exceptional Singularities in a Three level non-Hermitian System: Towards Cascaded State Conversion
Sayan Bhattacherjee, Arnab Laha, Somnath Ghosh
The appearance of topological singularities, namely exceptional points (EPs) is an intriguing feature of parameter-dependent open quantum or wave systems. EPs are the special type…
quant-ph2018
Three State Quantum System Exhibiting Third Order Exceptional Singularities and Flip-of-States
Sayan Bhattacherjee, Arnab Laha, Somnath Ghosh
A quantum inspired open optical system is mathematically implemented with an analogous three state non-Hermitian Hamiltonian exhibiting two special avoided-resonance-crossings; whe…