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arXiv 1007.2813cond-mat.supr-con
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芳香族分子和超导体中的自旋分裂态

Spin-split states in aromatic molecules and superconductors

J. E. Hirsch

摘要:

最近有人提出了一种在没有外场的情况下存在自旋电流的状态来描述金属的超导状态。本文提出,这种状态也描述了芳香族分子的基态。有人认为,这一观点提供了一个更自然的解释,大的抗磁磁化率和NMR位移观察到这些分子比传统的观点,它提供了一个统一的描述芳香族分子和超导体所寻求的F。伦敦用精确对角化方法求解了六原子环模型,得到了存在基态自旋电流的模型参数,指出这种物理在生物物质中起着关键作用。

英文摘要:

A state where spin currents exist in the absence of external fields has recently been proposed to describe the superconducting state of metals. It is proposed here that such a state also describes the ground state of aromatic molecules. It is argued that this point of view provides a more natural explanation for the large diamagnetic susceptibilities and NMR shifts observed in these molecules than the conventional viewpoint, and it provides a unified description of aromatic molecules and superconductors as sought by F. London. A six-atom ring model is solved by exact diagonalization and parameters in the model where a ground state spin current exists are found. We suggest that this physics plays a key role in biological matter.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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