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宏观热学二极管(a)(1b):二极管示意图;(c)(d):实验测试结果。(a)(c)显示热流不能从右向左流;(b)(d)显示热流能够从左向右流。(Physical Review Letters,2015,115(19):195503)热隐身衣的温度分布箭头代表热流方向;颜色代表温度大小。此图呈现两个特点:(1)内圈内部温度均匀分布;(2)外圈之外的温度分布不受内外圈之间材料的影响。这两个特点
Macro thermal diode (a) (1b): diode schematic; (c) (d): experimental test results. (a) (c) shows that the heat flow can not flow from right to left; (b) (d) shows that the heat flow can flow from left to right. (Physical Review Letters, 2015, 115 (19): 195503) Temperature distribution of hot invisible cloaks The arrows represent the direction of heat flow; the color represents the temperature. This figure shows two characteristics: (1) uniform temperature distribution within the inner ring; and (2) temperature distribution outside the outer ring is unaffected by the material between the inner and outer rings. These two characteristics