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Temperature Dependence of HEB Mixer Performance

Authors:
Shoichi Shiba, Ken Shimbo, Ling Jiang, Nami Sakai, Mika Sugimura, P. G. Ananthasubramanian, Hiroyuki Maezawa, Satoshi Yamamoto
Abstract:
The performance of the NbTiN HEB mixer has been measured at various bath temperatures. The mixer performance is almost constant below 7 K, but it is degraded rapidly above that temperature. The result is compared with the classical operation picture of the HEB mixer. From the temperature dependence of the performance, the power index, n, of the heat conductance is estimated to be 4-5 for our NbTiN mixer, confirming that our device operates by the phonon-cooling mechanism. The temperature-dependence experiment provides us with important information on the operation mechanism of HEB mixer.
Categories:
HEB Mixers
Year:
2008
Session:
2
Full-text:
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Page Number(s):
59-61