On the precision of a length measurement

On the precision of a length measurement
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论长度测量的精度

DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
X. Calmet
X. Calmet
中科院分区:
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文献类型:
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作者:
X. Calmet

文献摘要

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相似文献

我们表明,量子力学和广义相对论意味着存在一个最小的长度。更准确地说,我们证明,没有一个操作设备受到量子力学,广义相对论和因果关系可以排除长度小于普朗克长度的时空的离散性。然后,我们考虑了来自量子力学,广义相对论和因果关系的长度测量精度的基本限制。
We show that quantum mechanics and general relativity imply the existence of a minimal length. To be more precise, we show that no operational device subject to quantum mechanics, general relativity and causality could exclude the discreteness of spacetime on lengths shorter than the Planck length. We then consider the fundamental limit coming from quantum mechanics, general relativity and causality on the precision of length measurement.