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Plasmon characteristics in stage-1 graphene intercalation compounds 一级石墨烯插层化合物中的等离子体特性
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 2015-05-18 DOI: 10.1063/1.4915393
S. Acharya, Raman Sharma
{"title":"Plasmon characteristics in stage-1 graphene intercalation compounds","authors":"S. Acharya, Raman Sharma","doi":"10.1063/1.4915393","DOIUrl":"https://doi.org/10.1063/1.4915393","url":null,"abstract":"The plasmon characteristics in stage-1 graphene intercalation compounds (GIC’s) using the massless Dirac fermion (MDF) gas approximation have been reported. The superlattice model of GIC’s with negligible c-axis conductivity has been considered. With the discussion of the weak and the strong c-axis coupling at graphene-intercalant hetrojunction plasmon characteristics of GIC’s are predicted. A reasonable agreement has been found between our results and the experimental results of Ritsko and Rice.","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"52 1","pages":"374-377"},"PeriodicalIF":0.7,"publicationDate":"2015-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1063/1.4915393","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59070223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Ecological, exergetic efficiency and heating load optimizations for irreversible variable-temperature heat reservoir simple air heat pump cycles 不可逆变温蓄热器简单空气热泵循环的生态、有效效率和热负荷优化
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 2009-12-01 DOI: 10.1093/IJLCT/CTP037
Y. Bi, Lingen Chen, F. Sun
{"title":"Ecological, exergetic efficiency and heating load optimizations for irreversible variable-temperature heat reservoir simple air heat pump cycles","authors":"Y. Bi, Lingen Chen, F. Sun","doi":"10.1093/IJLCT/CTP037","DOIUrl":"https://doi.org/10.1093/IJLCT/CTP037","url":null,"abstract":"Thermodynamic optimization of an irreversible air heat pump with variable-temperature heat reservoirs and hot- and cold-side counter-flow heat exchangers has been studied. The expressions of the heating load, the exergetic efficiency and the ecological function of the heat pump cycle are derived. Performance comparisons among exergetic efficiency optimization, ecological optimization and traditional heating load optimization objectives are done. The effect of the pressure ratio of the compressor, the allocation of heat exchanger inventory and the heat capacity rate matching between the working fluid and the heat reservoirs on the optimal performance of the cycle has been investigated by detailed numerical examples. When the performance optimization of the cycle is carried out by selecting the pressure ratio, three optimization objectives give simultaneously attention to the coefficient of performance (COP). The pressure ratio should be the one that is little bigger than the optimum pressure ratio corresponding to maximum COP, however, the results of three optimization objectives are consistent by optimizing the allocation of heat exchanger inventory and optimizing the heat capacity rate matching between the working fluid and the heat reservoirs. The optimum allocations of heat conductance are close to each other, and they are all less than 0.5. The results may provide guidelines for the design and optimization of practical air heat pump plants.","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"47 1","pages":"852-862"},"PeriodicalIF":0.7,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/IJLCT/CTP037","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60782008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Radon activity and exhalation rates in coal fired thermal power plants 燃煤火力发电厂的氡活度和排放率
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 2002-01-01 DOI: 10.1016/s0140-6701(03)90867-8
R. Chauhan, S. Chakarvarti
{"title":"Radon activity and exhalation rates in coal fired thermal power plants","authors":"R. Chauhan, S. Chakarvarti","doi":"10.1016/s0140-6701(03)90867-8","DOIUrl":"https://doi.org/10.1016/s0140-6701(03)90867-8","url":null,"abstract":"","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"40 1","pages":"242-245"},"PeriodicalIF":0.7,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/s0140-6701(03)90867-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"55842205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
HAUSDORFF DIMENSION AND SCALING NATURE OF ANISOTROPY DIFFUSION DLA CLUSTER 各向异性扩散dla簇的Hausdorff维数及标度性质
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 1998-09-20 DOI: 10.7498/aps.47.1421
Tian Ju-ping, Yao Kai-lun
{"title":"HAUSDORFF DIMENSION AND SCALING NATURE OF ANISOTROPY DIFFUSION DLA CLUSTER","authors":"Tian Ju-ping, Yao Kai-lun","doi":"10.7498/aps.47.1421","DOIUrl":"https://doi.org/10.7498/aps.47.1421","url":null,"abstract":"In this paper,the effect of the anisotropy diffusion on the growth of diffusion-limited aggregation(DLA) clusters is discussed.Our computer simulation results verify that DLA clusters grown with anisotropic diffusion rules have a striking overall diamond shape.A new anisotropic diffusion equation of particles is derived.The Hausdorff dimension of a two-dimensional DLA cluster in the anisotropic diffusion is calculated.The results show that the effective angle β eff =min(β ix ,β iy ).In addition,the generalized dimension D q of the anisotropic diffusion DLA is also discussed and an expression of the generalized dimension D q is obtained using the modified wedge model.","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"47 1","pages":"1421-1426"},"PeriodicalIF":0.7,"publicationDate":"1998-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71343080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electronic Structure of Disordered Alloys 无序合金的电子结构
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 1998-01-01 DOI: 10.1007/978-3-642-80478-6_6
R. Prasad
{"title":"Electronic Structure of Disordered Alloys","authors":"R. Prasad","doi":"10.1007/978-3-642-80478-6_6","DOIUrl":"https://doi.org/10.1007/978-3-642-80478-6_6","url":null,"abstract":"","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"29 1","pages":"65-88"},"PeriodicalIF":0.7,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"51180865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 130
ALPHA-PARTICLE MODEL FOR NUCLEAR MATTER. 核物质的粒子模型。
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 1967-01-01 DOI: 10.1143/JPSJ.23.1429
P. Bhattacharya, K. Khanna
{"title":"ALPHA-PARTICLE MODEL FOR NUCLEAR MATTER.","authors":"P. Bhattacharya, K. Khanna","doi":"10.1143/JPSJ.23.1429","DOIUrl":"https://doi.org/10.1143/JPSJ.23.1429","url":null,"abstract":"Infinite nuclear matter is assumed to be composed of an equal even number of protons and neutrons. The surface region of nuclear matter is replaced by an assembly of alpha-particles interacting through a potential composed of a strong short-range repulsion and a weak long-range attraction of the Gaussian form. The energy gap in nuclear matter and the effective mass of alpha particles have been calculated. The result shows that the energy gapΔ is more than 2 MeV but ≦5 MeV. The ratio of the effective mass m* to the free particle mass m of alpha-particles is always greater than unity and its maximum value is a little over 5. For an assembly of alpha-particles to be stable, it must be a dilute weakly interacting assembly. The net interaction must be repulsive and the nuclear density should be less than the saturation limit. The results have been compared with previous calculations.","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"1967-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64066882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A NEW TECHNIQUE USING RADIOACTIVE TRACERS FOR STUDIES IN PHYSICAL OCEANOGRAPHY 放射性示踪剂用于物理海洋学研究的新技术
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 1963-07-01 DOI: 10.1016/0011-7471(65)91538-x
P. S. Srivastava
{"title":"A NEW TECHNIQUE USING RADIOACTIVE TRACERS FOR STUDIES IN PHYSICAL OCEANOGRAPHY","authors":"P. S. Srivastava","doi":"10.1016/0011-7471(65)91538-x","DOIUrl":"https://doi.org/10.1016/0011-7471(65)91538-x","url":null,"abstract":"","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"36 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"1963-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0011-7471(65)91538-x","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52833553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFFECT OF RELATIVISTIC VARIATION OF ELECTRON MASS ON HARMONICS IN THE SCATTERING OF LIGHT BY FREE ELECTRONS 电子质量的相对论性变化对光被自由电子散射时谐波的影响
IF 0.7 4区 物理与天体物理
Indian Journal of Pure & Applied Physics Pub Date : 1962-10-15 DOI: 10.1103/PHYSREV.128.664
Nalin Rastogi, Vachaspati.
{"title":"EFFECT OF RELATIVISTIC VARIATION OF ELECTRON MASS ON HARMONICS IN THE SCATTERING OF LIGHT BY FREE ELECTRONS","authors":"Nalin Rastogi, Vachaspati.","doi":"10.1103/PHYSREV.128.664","DOIUrl":"https://doi.org/10.1103/PHYSREV.128.664","url":null,"abstract":"The scattering cross sections of light by free electrons into the first two harmonics are evaluated neglecting the variation of the electron mass with velocity. It is observed that while the scattering cross section for the second harmonic is unaltered4 the intensity-dependent terms in the cross section for scattering into the principal mode are unexpectedly different. (auth)","PeriodicalId":13509,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"1962-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1103/PHYSREV.128.664","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61764118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 82
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