NSF Young Investigator

NSF 青年研究员

• 批准号: 9257094
• 负责人: Chi Mak
• 金额: $ 31.25万
• 依托单位: University of Southern California
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-09-01 至 1998-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9257094&HistoricalAwards=false
• 关键词: NSF; Young; Investigator

Dr. Chi Mak is supported by an NSF Young Investigator Award from the Theoretical and Computational Chemistry Program to perform theoretical studies of tunneling processes in condensed phase systems. Mak will employ a spin-boson model which involves a two-state system coupled to a harmonic bath as a primary model for dissipative tunneling reactions. This model system has been chosen as one which embodies the essence of the physical contents of the real system, but at the same time retains sufficient simplicity to be tractable. Mak will employ this model to study: 1) aqueous electron transfer reactions; 2) light particle diffusion in solids; and 3) quantum electron devices. %%% A number of important chemical processes and materials properties depend on a phenomenon known as quantum tunneling. Biological reactions which involve electron transfer, the diffusion of hydrogen atoms through metals, and the operation of electronic devices such as the resonant tunneling diode and the quantum interference transistor are all examples of phenomena which involve quantum tunneling. The theoretical studies performed by Dr. Mak will enhance our understanding of these molecular processes, and help us to put that understanding to use in designing new materials with important chemical and physical properties.

麦志博士获NSF青年研究者奖支持 从理论和计算化学计划， 进行隧道过程的理论研究， 凝聚相系统 Mak将采用自旋玻色子模型 它涉及一个耦合到谐波浴的双态系统 作为耗散隧穿反应的主要模型。 该模型系统被选为体现 真实的系统的物理内容的本质，但在 同时保持足够的简单性以易于处理。 Mak将利用这个模型来研究：1）水电子 2）固体中轻粒子的扩散; 3）量子电子器件。 %%% 许多重要的化学过程和材料 这些特性依赖于一种叫做量子的现象 隧道 涉及电子的生物反应 氢原子在金属中的扩散， 以及诸如谐振电路之类的电子器件的操作 隧穿二极管和量子干涉晶体管， 所有的例子都涉及到量子隧穿。 麦博士进行的理论研究将增强 我们对这些分子过程的理解，并帮助我们 将这种理解用于设计新材料， 重要的化学和物理性质。