Nonequilibrium transport of vibrational excitation in alpha-helix molecular chain and ultrafast X-ray spectroscopy

α螺旋分子链振动激发的非平衡传递和超快X射线光谱

• 批准号: 21540324
• 负责人: TANAKA Satoshi
• 金额: $ 2.91万
• 依托单位: Osaka Prefecture University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2011
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21540324/
• 关键词: 光物性; 非平衡統計力学; アルファヘリックス; 非平衡緩和過程; 励起伝播; 長距離相関; 超高速X線分光; リウビル空間; 光物性; 非平衡統計力学; アルファヘリックス; 非平衡緩和過程; 励起伝播; 長距離相関; 超高速X線分光; リウビル空間

We have investigated an nonequilibrium transport in a molecular chain, such as alpha-helix, which is interacting with different thermal baths at the both molecular ends. An energy flow and vibrational exciton current under nonequilibrium steady state are obtained based on the microscopic dynamics as a zero eigenstate of a Liouville operator. The phenomenological Landauer formula has been derived from our theory and the limit of the phenomenological formula has been revealed.

我们已经研究了分子链中的非平衡转运，例如α-螺旋，该链螺旋在两个分子末端都与不同的热浴相互作用。基于微观动力学作为Liouville操作员的零本本态，获得了非平衡稳态下的能量流和振动激子电流。现象学的陆方公式是从我们的理论中得出的，现象学公式的极限已被揭示。