PHASE-TRANSITION

作品数：37被引量：45H指数：4
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相关领域：理学更多>>
相关机构：西安交通大学更多>>
相关期刊：《Journal of Rare Earths》《Science China Materials》《Communications in Theoretical Physics》《Chinese Physics B》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金更多>>
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Finding Short-Range Parity-Time Phase-Transition Points with a Neural Network
《Chinese Physics Letters》2021年第5期7-10,共4页Songju Lei Dong Bai Zhongzhou Ren Mengjiao Lyu 
Supported by the National Natural Science Foundation of China (Grant Nos.11535004,11975167,11761161001,11375086,11565010,11881240623 and 11961141003);the National Key R&D Program of China (Grant Nos.2018YFA0404403 and 2016YFE0129300);the Science and Technology Development Fund of Macao (Grant No.008/2017/AFJ);the Fundamental Research Funds for the Central Universities (Grant Nos.22120210138 and 22120200101)。
The non-Hermitian PT-symmetric system can live in either unbroken or broken PT-symmetric phase. The separation point of the unbroken and broken PT-symmetric phases is called the PT-phase-transition point.Conventionall...
关键词：ANN Hamiltonian Finding Short-Range Parity-Time Phase-Transition Points with a Neural Network 
Phase-Transition and Magnetic Moment of the Gd3＋ Ion in the Gd2Fe17 Compound被引量：4
《Chinese Physics Letters》2009年第7期290-293,共4页郝延明 傅斌 周严 赵淼 
Supported by the National Natural Science Foundation of China under Grant No 50871074, and Tianjin University of Science and Technology under Grant No 0200153.
The structure and magnetic phase transitions of the Gd2Fe17 compound are investigated by using a differential thermal/thermogravimetric analyzer, x-ray diffraction, and magnetization measurements. The result shows tha...
关键词：Condensed matter: electrical magnetic and optical Condensed matter: structural mechanical & thermal 
Fluctuation of the Download Network被引量：1
《Chinese Physics Letters》2008年第2期765-768,共4页韩定定 刘锦高 马余刚 
The scaling behaviour of fluctuation for a download network we investigated a few years ago based upon Zhang＇s Econophysics web page is presented. A power law scaling, namely σ～〈f〉^α exists between the dispersio...
关键词：PHASE-TRANSITION ION COLLISIONS 
Opinion Spreading with Mobility on Scale-Free Networks被引量：6
《Chinese Physics Letters》2008年第2期773-775,共3页郭强 刘建国 汪秉宏 周涛 陈兴文 姚玉华 
Supported by the National Basic Research Programme of China under Grant No 2006CB705500, the National Natural Science Foundation of China under Grant Nos 10635040, 10532060, 70571074 and 10472116, the Special Research Funds for Theoretical Physics Frontier Problems （A0524701）, the President Fund of Chinese Academy of Sciences, the Specialized Research Fund for the Doctoral Programme of Higher Education of China, and the Research Fund of the Education Department of Liaoning Province （20060140）. The authors thank Dr Ming Zhao for her comments and suggestions.
A continuum opinion dynamic model is presented based on two rules. The first one considers the mobilities of the individuals, the second one supposes that the individuals update their opinions independently. The resul...
关键词：SCIENCE BASIC RESEARCH SMALL-WORLD NETWORKS COMPLEX NETWORKS PHASE-TRANSITION SZNAJD MODEL DYNAMICS OPTIMIZATION ROBUSTNESS EVOLUTION 
Transition Temperature of Two-Degenerate-Flavour QCD in the Chiral Limit
《Chinese Physics Letters》2007年第10期2769-2772,共4页吴良凯 罗向前 
We present the results for the transition temperature of quantum chromodynamics （QCD） with two degenerate flavours （Nf = 2） of Wilson quarks. On lattice 8^3 × 4 with 4 representing the temporal extent, by using t...
关键词：PHASE-TRANSITION WILSON QUARKS 2-FLAVOR QCD LATTICE THERMODYNAMICS CHROMODYNAMICS SYMMETRY 
Liquid-Liquid Structure Transition in Metallic Melts： Experimental Evidence by Viscosity Measurement被引量：3
《Chinese Physics Letters》2007年第7期2028-2031,共4页王玉青 武玉琴 边秀房 
Supported by the National Science Foundation of China under Grant Nos 50231040 and 50301013.
Temperature dependence of viscosity for more than ten kinds of metallic melts is analysed based on viscosity measurements. An obvious turning point is observed on the Arrhenius curves. Since viscosity is one of the ph...
关键词：PHASE-TRANSITION HIGH-DENSITY WATER ORDER 
Block Entanglement in the Single-Hole Hubbard Model
《Chinese Physics Letters》2006年第9期2352-2355,共4页姚凯伦 孙效中 刘祖黎 李彦超 喻莉 高国营 
Supported by the National Natural Science Foundation of China under Grant No 10574048.
We investigate the distribution of the entanglement of the one-dimensional single-hole Hubbard model （HM） and study the relationship between the entanglement and quantum phase transition in the model. The von Neuman...
关键词：QUANTUM RENORMALIZATION-GROUPS PHASE-TRANSITION ENTROPY 
Photoemission Spectroscopy and Electronic Structures of LiMn2O4
《Chinese Physics Letters》2006年第8期2202-2205,共4页吴启辉 THISSEN Andreas JAEGERMANN Wolfram 
We study the electronic structures of LiMn2O4 by x-ray and ultraviolet photoelectron spectroscopy （XPS, UPS） and resonant photoelectron spectroscopy （RPES）. XPS data suggest that the average oxidation state of Mn ...
关键词：RAY PHOTOELECTRON-SPECTROSCOPY PHASE-TRANSITION THIN-FILMS SPINELS LI LI(X)MN2O4 SYSTEMS CELLS 
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