ArticleScientific reports2015
Using non-Markovian measures to evaluate quantum master equations for photosynthesis.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Physical Origins of Memory Effects in a Non-Markovian Quantum Evolution.Entropy (Basel, Switzerland) · 2025Article
- Effects of symmetry breaking of the structurally-disordered Hamiltonian ensembles on the anisotropic decoherence of qubits.Scientific reports · 2022Article
- Canonical Hamiltonian ensemble representation of dephasing dynamics and the impact of thermal fluctuations on quantum-to-classical transition.Scientific reports · 2021Article
- Do photosynthetic complexes use quantum coherence to increase their efficiency? Probably not.Science advances · 2021Article
- Modelling the ultra-strongly coupled spin-boson model with unphysical modes.Nature communications · 2019Article
- Effect of Time-Delayed Feedback on the Interaction of a Dimer System with its Environment.Scientific reports · 2017Article
- Non-Markovian Complexity in the Quantum-to-Classical Transition.Scientific reports · 2015Article
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5 authors.
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Abstract
When dealing with system-reservoir interactions in an open quantum system, such as a photosynthetic light-harvesting complex, approximations are usually made to obtain the dynamics of the system. One question immediately arises: how good are these approximations, and in what ways can we evaluate them? Here, we propose to use entanglement and a measure of non-Markovianity as benchmarks for the deviation of approximate methods from exact results. We apply two frequently-used perturbative but non-Markovian approximations to a photosynthetic dimer model and compare their results with that of the numerically-exact hierarchy equation of motion (HEOM). This enables us to explore both entanglement and non-Markovianity measures as means to reveal how the approximations either overestimate or underestimate memory effects and quantum coherence. In addition, we show that both the approximate and exact results suggest that non-Markonivity can, counter-intuitively, increase with temperature, and with the coupling to the environment.
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