We address the discrimination of structured baths at different temperatures by dephasing quantum probes. derive exact reduced dynamics and evaluate minimum error probability achievable three kinds probes, namely, a qubit, qutrit, register made two qubits. Our results indicate that probes are useful in discriminating low values temperature lower probabilities achieved for intermediate interactio...

Engineered dynamical maps combining coherent and dissipative transformations of quantum states with measurements, have demonstrated a number technological applications, promise to be crucial tool in thermodynamic processes. Here, we exploit the control on effective open spin qutrit dynamics an NV center, experimentally realize autonomous feedback process (Maxwell demon) tunable strength. The is...

The possibility of detracting the decoherence due to acceleration process two-qutrit system is investigated, where we examined behaviour relative entropy and non-local information. For this purpose, accelerated subsystems are allowed pass through local or global noisy channels. It shown that, detraction potential depends on type used channel, global, initial settings qutrit systems, whether it ...

Hybrid quantum gates have recently drawn considerable attention. They play significant roles in connecting information processors with qubits of different encoding and important applications the transmission states between a processor memory. In this work, we propose single-step implementation multi-target-qubit controlled-NOT gate one superconducting (SC) qubit simultaneously controlling $n$ t...