Decoherence in a $\mathcal{P}\mathcal{T}$-symmetric qubit

Junaid Majeed Bhat, Muzaffar Qadir Lone, Sanjoy Datta +1

We investigate the decoherence in a $\mathcal{P}\mathcal{T}$-symmetric qubit coupled with a bosonic bath. Using cannonical transformations, we map the non-Hermitian Hamiltonian representing…