From Goldilocks to twin peaks: multiple optimal regimes for quantum transport in disordered networks.

From Goldilocks to twin peaks: multiple optimal regimes for quantum transport in disordered networks.
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从金发姑娘到双峰:无序网络中量子传输的多个最优机制。

DOI:
10.1039/d2cp04935j
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发表时间:
2023
期刊:
PCCP
影响因子:
--
通讯作者:
Coates AR
Coates AR
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--
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--
作者:
Coates AR

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理解量子系统中的能量传输对于理解自然界中的光捕获和创造新的量子技术至关重要。开放量子系统理论已经成功地应用于预测环境噪声辅助量子输运(ENAQT)的存在,这是一种普遍存在于生物和人工系统中的现象。这项工作主要集中在几个“典型”的结构,从简单的链,环和不同尺寸的晶体,到研究充分的捕光复合物。对这些特定系统的研究产生了关于ENAQT的特定假设,包括改善能量传输的单一、理想的环境耦合率范围的概念。在本文中,我们表明,一个一致的子集的物理模型的运输网络可以有至少两个ENAQT峰在其稳态运输效率。
Understanding energy transport in quantum systems is crucial for an understanding of light-harvesting in nature, and for the creation of new quantum technologies. Open quantum systems theory has been successfully applied to predict the existence of environmental noise-assisted quantum transport (ENAQT) as a widespread phenomenon occurring in biological and artificial systems. That work has been primarily focused on several ‘canonical’ structures, from simple chains, rings and crystals of varying dimensions, to well-studied light-harvesting complexes. Studying those particular systems has produced specific assumptions about ENAQT, including the notion of a single, ideal, range of environmental coupling rates that improve energy transport. In this paper we show that a consistent subset of physically modelled transport networks can have at least two ENAQT peaks in their steady state transport efficiency.
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