Decoherence Effects in a Three-Level System under Gaussian Process

When subjected to a classical fluctuating field characterized by Gaussian process, we examine the purity and coherence protection in three-level quantum system. This symmetry of system is examined when local random investigated further noiseless noisy regimes. In particular, consider fractional Gaussian, Ornstein–Uhlenbeck, power law We show that destructive nature Ornstein–Uhlenbeck noise toward qutrit preserve encoded remains large. Our findings suggest properly adjusting parameters specifically provided values can facilitate optimal extended survival. Non-vanishing terms appear final density matrix single system, indicating it strong regime. Because all noises, monotonic decay with no revivals has been observed information preservation, find current outperforms systems multiple qubits or qutrits using von Neumann entropy. A comparison situations shows fields ultimately lost influenced noises.