{"title":"The left-handed wave inside natural materials","authors":"Yubo Tian, J. Qian, Junfeng Lu, Wenfeng Guo","doi":"10.1109/ISAPE.2003.1276798","DOIUrl":null,"url":null,"abstract":"In terms of genetic algorithm (GA) and a parameter tracking scheme (PTS), the propagating constants of a waveguide filled with dissipative magnetic substances are accurately calculated and thoroughly analyzed. The practical results show the method is efficient and accurate. Moreover, it is found during the calculating that under certain conditions, the phase constant may be negative, which revealed that the wave propagating inside this waveguide possess the characteristic of that of the left-handed wave (LHW). It is of significance that the LHW may present in nature materials.","PeriodicalId":179885,"journal":{"name":"6th International SYmposium on Antennas, Propagation and EM Theory, 2003. Proceedings. 2003","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"6th International SYmposium on Antennas, Propagation and EM Theory, 2003. Proceedings. 2003","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAPE.2003.1276798","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In terms of genetic algorithm (GA) and a parameter tracking scheme (PTS), the propagating constants of a waveguide filled with dissipative magnetic substances are accurately calculated and thoroughly analyzed. The practical results show the method is efficient and accurate. Moreover, it is found during the calculating that under certain conditions, the phase constant may be negative, which revealed that the wave propagating inside this waveguide possess the characteristic of that of the left-handed wave (LHW). It is of significance that the LHW may present in nature materials.
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