量子自旋電子學和通信中的糾纏、熵和幾何相位物理( I )

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题名:	量子自旋電子學和通信中的糾纏、熵和幾何相位物理( I ) Entanglement, Entropy and Geometric Phase Physics in Quantum Spintronics and Communications( I )
作者:	陳繩義
贡献者:	中國文化大學光電物理學系
关键词:	糾纏熵負性幾何相位拓撲相位自旋電子學光子學量子通信曲率 Entanglement entropy negativity geometric phase topological phase spintronics photonics quantum communication curvature
日期:	2024
上传时间:	2024-12-27 12:39:01 (UTC+8)
摘要:	Entanglement introduces an instantaneous correlation between quantum particles and that challenges classical intuitions. We see a pressing need to develop a comprehensive understanding of the application of quantum entanglement in modern fields like spintronics, photonics, and quantum communication. Concurrently, entropy - a classical measure of disorder - is an ideal mathematical method to play a similar role in the quantum system, i.e. quantifying the information content of an entangled system. On top of that, new methods like concurrence and negativity provide additional measurement for more complicated systems like in mixed states entanglement. Adding another layer to this intricate connection is the quantum phase - a phenomenon arising from the quantum evolution of a system's wave function – which comprises the dynamic, geometric and topological components. The major significance of this project lies not only in its potential to unravel more intricate connection between entanglement and the quantum phases as a theoretical pursuit, but also in its practical implications for emerging technologies in the fields of quantum spintronics, photonics and communications. Study may lead to new quantum technologies that could be realized in the nanoscience platforms of spintronics and photonics as well as in the fields of communication, e.g. quantum radar or teleportation. This study would lead naturally to a greater understanding of the physics of entanglement on quantum transport and curvature. This, we hope, may lead to a preliminary understanding of how gravity may have an impact on photon-based quantum communication.
显示于类别:	[光電物理系] 研究計畫

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