浙江大学学报(英文版)
浙江大學學報(英文版)
절강대학학보(영문판)
JOURNAL OF ZHEJIANG UNIVERSITY SCIENCE
2004年
11期
1322-1326
,共5页
沈建其%阮智超%何寒灵
瀋建其%阮智超%何寒靈
침건기%원지초%하한령
Negative refractive index%Left-handed medium%Electromagnetically induced transparency%Atomic level%Optical frequency
The theoretical mechanism for realizing a negative refractive index material in an optical frequency range with an atomic gas system of electromagnetically induced transparency(EIT)is studied. It is shown that under certain conditions such a dense gas can exhibit simultaneously negative permittivity and negative permeability,and negligibly small loss.
