We investigate the dynamics of a general two-level based anti-parity-time (anti-PT)- symmetric qubit and study its decoherence as well as entanglement entropy properties. We …
A Fring, T Taira, R Tenney - Journal of Physics A: Mathematical …, 2023 - iopscience.iop.org
We demonstrate that the existence of a Hermitian time-dependent intertwining operator that maps the non-Hermitian time-dependent energy operator to its Hermitian conjugate and its …
FS Luiz, MA de Ponte, MHY Moussa - Physica Scripta, 2020 - iopscience.iop.org
We present an strategy for the derivation of a time-dependent Dyson map which ensures simultaneously the unitarity of the time evolution and the observability of the whole time …
To the existing list of alternative formulations of quantum mechanics, a new version of the non-Hermitian interaction picture is added. What is new is that, in contrast to the more …
T Frith - Journal of Physics A: Mathematical and Theoretical, 2020 - iopscience.iop.org
We provide the first solution of a time-dependent metric operator for the non-Hermitian Jaynes–Cummings Hamiltonian. We use this solution to calculate the entanglement …
A Fring, R Tenney - Physics Letters A, 2020 - Elsevier
We construct a time-dependent double well potential as an exact spectral equivalent to the explicitly time-dependent negative quartic oscillator with a time-dependent mass term …
The time-evolution operator obtained from the fractional-time Schrödinger equation (FTSE) is said to be nonunitary since it does not preserve the norm of the vector state in time. As …
We analyse here the pseudo-Hermitian Dynamical Casimir Effect, proposing a non- Hermitian version of the effective Law's Hamiltonian used to describe the phenomenon. We …
A Fring, T Frith - Modern Physics Letters A, 2020 - World Scientific
We provide a time-dependent Dyson map and metric for the two-dimensional harmonic oscillator with a non-Hermitian ixy coupling term. This particular time-independent model …