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This is a Quantitative Study study.

September 16, 2025Physica Scripta

Non-Markovian amplitude damping in a central spin model with random couplings

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Authors

MRMehboob RashidUniversity of Kashmir RMRayees A MallaUniversity of Kashmir SBS. BashirJagiellonian University

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Implication

Analysis shows the interplay of stochastic couplings and memory effects in quantum information systems, suggesting limitations in traditional measurement approaches.

Key Points

Non-Markovian dynamics significantly impacts quantum information processing, preserving coherence and memory effects.
Analysis using quantum fisher information and breuer-laine-piilo measures reveals limits of single-witness approaches in weak-coupling regimes.
Certain dynamics simplify to pure dephasing, while both amplitude damping and dephasing typically affect the evolution of the system.
External modulation of interactions leads to complex behavior, enhancing the understanding of memory effects and offering potential for robust quantum technologies.

Cite This Study

Rashid et al. (2025) studied this question.

synapsesocial.com/papers/68d4539531b076d99fa5925b https://doi.org/10.1088/1402-4896/ae06d8

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Implication

Analysis shows the interplay of stochastic couplings and memory effects in quantum information systems, suggesting limitations in traditional measurement approaches.

Non-Markovian amplitude damping in a central spin model with random couplings

Discussion

Member takes

Implication

Key Points

Cite This Study

Non-Markovian amplitude damping in a central spin model with random couplings

Discussion

Member takes

Implication

Key Points

Cite This Study

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