Laboratory tests on dark energy

Laboratory tests on dark energy
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暗能量的实验室测试

DOI:
10.1088/1742-6596/31/1/021
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发表时间:
2006
期刊:
Conference Series
影响因子:
--
通讯作者:
Beck C
Beck C
中科院分区:
--
文献类型:
--
作者:
Beck C

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目前在宇宙中观测到的暗能量的物理性质完全不清楚,许多不同的理论模型共存。然而,如果暗能量是由真空涨落产生的,那么就有机会通过基于约瑟夫森结的简单实验室测试来探测它的一些性质。这些电子设备可用于通过直接测量由真空波动引起的噪声谱来执行“真空波动谱”。如果暗能量耦合到电荷的新物理学基础上,人们会期望在测量的功率谱中看到1.7 THz附近的截止。约瑟夫森结所利用的效应是一种微妙的非线性混合效应,与卡西米尔效应或其他基于货车范德华力的效应无关。现在将建造一个建议类型的约瑟夫森实验,我们应该在未来3年内知道结果。
The physical nature of the currently observed dark energy in the universe is completely unclear, and many different theoretical models co-exist. Nevertheless, if dark energy is produced by vacuum fluctuations then there is a chance to probe some of its properties by simple laboratory tests based on Josephson junctions. These electronic devices can be used to perform'vacuum fluctuation spectroscopy', by directly measuring a noise spectrum induced by vacuum fluctuations. One would expect to see a cutoff near 1.7 THz in the measured power spectrum, provided the new physics underlying dark energy couples to electric charge. The effect exploited by the Josephson junction is a subtile nonlinear mixing effect and has nothing to do with the Casimir effect or other effects based on van der Waals forces. A Josephson experiment of the suggested type will now be built, and we should know the result within the next 3 years.
DOI: --
发表时间: 2004
期刊: Nature
影响因子: 64.8
作者:
P. Ball
通讯作者: P. Ball
DOI: 10.1103/physrevb.26.74
发表时间: 1982-01-01
期刊: PHYSICAL REVIEW B
影响因子: 3.7
作者:
KOCH, RH;VANHARLINGEN, DJ;CLARKE, J
通讯作者: CLARKE, J
暗能量可以在实验室测量吗
DOI: 10.1016/j.physletb.2004.11.060
发表时间: 2004
期刊: Physics Letters B
影响因子: 4.4
作者:
C. Beck;M. Mackey
通讯作者: M. Mackey
DOI: 10.1086/377253
发表时间: 2003-09-01
影响因子: 8.7
作者:
Bennett, CL;Halpern, M;Weiland, JL
通讯作者: Weiland, JL
DOI: 10.1103/physrevb.67.184504
发表时间: 2003-05-01
期刊: PHYSICAL REVIEW B
影响因子: 3.7
作者:
Levinson, Y
通讯作者: Levinson, Y