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新型储能与能量转换纳米材料研究中心在拉曼光谱确定紫磷晶格方向取得重大进展并发表于权威期刊Advanced Functional Materials
二维材料结构 紫磷烯 紫磷纳米片 紫磷烯结构
2022/5/13
二维材料结构上的各向异性使如压电效应、载流子迁移率、振动模式、光学性质、力学性质和应变诱导的带结构调制等的物化特性具有高度各向异性。而如何快速无损简易地判断二维材料的晶向方向是探索其各向异性的关键，也是一大挑战。本课题组于2019年首次合成宏观紫磷单晶并确定其晶体结构的基础上，发现紫磷是至今为止最稳定的磷的同素异形体。作为一种低对称性的二维材料，紫磷烯具有的各向异性尚未被探索，如何快速确定二维紫磷...
2021年8月25日，重庆大学物理学院纳米发电机团队奚伊教授课题组与中科院北京纳米能源与系统研究所王中林院士合作，在Wiley出版的《Advanced Functional Materials》上发表了题目为“基于流体力学建模和摩擦纳米发电机的多方向微风能量收集与自供电智能火灾探测系统”（Harvesting Multidirectional Breeze Energy and Self-powe...
Modeling core-hole screening in jellium clusters using density functional theory
Modeling core-hole screening jellium clusters density functional theory
2012/2/28
The screening of a 2p core-hole in Na clusters is investigated using density functional theory applied to an extended jellium model with an all-electron atom in the center. The study is related to rec...
FlowPy - a numerical solver for functional renormalization group equations
FlowPy numerical solver functional renormalization group equations
2012/2/29
FlowPy is a numerical toolbox for the solution of partial differential equations encountered in Functional Renormalization Group equations. This toolbox compiles flow equations to fast machine code an...
Project X functional requirements specification
Project X functional requirements specification
2012/2/28
Project X is a multi-megawatt proton facility being developed to support intensity frontier research in elementary particle physics, with possible applications to nuclear physics and nuclear energy re...
Exact density functional theory with the density matrix renormalization group
density functional theory density matrix renormalization group electronic structure models
2011/8/17
Abstract: Combining density functional theory with controlled numerical methods for strongly correlated systems could greatly extend the range of both. We use the density matrix renormalization group ...
Functional evolutions for homogeneous stationary death-immigration spatial dynamics
Continuous systems Markov evolution spatial birth-death-migration processes correlation functions evolution equations Surgailis process
2011/9/14
Abstract: We discover death-immigration non-equilibrium stochastic dynamics in the continuum also known as the Surgailis process. Explicit expression for the correlation functions is presented. Dynami...
Density Functional Resonance Theory of Unbound Electronic Systems
Density Functional Resonance Theory Electronic Systems
2011/9/14
Density Functional Resonance Theory (DFRT) is a complex-scaled version of ground-state Density Functional Theory (DFT) that allows one to calculate the resonance energies and lifetimes of metastable a...
Predicting Zonal Flows -- A Comprehensive Reynolds-Stress Response-Functional from First-Principles-Plasma-Turbulence Computations
Reynolds-Stress First-Principles-Plasma-Turbulence
2011/8/31
Turbulence driven zonal flows play an important role in fusion devices since they improve plasma confinement by limiting the level of anomalous transport. Current theories mostly focus on flow excitat...
Running coupling constant of ten-flavor QCD with the Schrödinger functional method
Running coupling constant ten-flavor QCD
2011/1/6
Walking technicolor theory attempts to realize electroweak symmetry breaking as the spontaneous chiral symmetry breakdown caused by the gauge dynamics with slowly varying gauge coupling constant and l...
Running coupling constant of ten-flavor QCD with the Schrödinger functional method
Running coupling constant ten-flavor QCD
2011/1/6
Walking technicolor theory attempts to realize electroweak symmetry breaking as the spontaneous chiral symmetry breakdown caused by the gauge dynamics with slowly varying gauge coupling constant and l...
The determination of the two-body density functional from its one-body density is achieved for Moshinsky's harmonium model, using a phase-space formulation, thereby resolving its phase dilemma. The c...
Forty-five years after the point de d\'epart [1] of density functional theory, its applications in chemistry and the study of electronic structures keep steadily growing. However, the precise form of...
Large-N Wilsonian beta function in SU(N) Yang-Mills theory by localization on the fixed points of a semigroup contracting the functional measure
Large-N Wilsonian beta function SU(N) Yang-Mills theory localization semigroup contracting
2010/12/23
In a certain (non-commutative) version of large-N SU(N) Yang-Mills theory there are special Wilson loops, called twistor Wilson loops for geometrical reasons, whose v.e.v. is independent on the param...
Properties of the approximate Yang-Mills ground-state wave functional in 2+1 dimensions
Yang-Mills ground-state wave functional 2+1 dimensions
2011/1/7
We review properties and lattice evidence in support of the recently proposed temporal-gauge Yang-Mills vacuum wave functional in 2+1 dimensions.