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首页> 外文期刊>Physics Letters, A >Decoherence due to gravitational time dilation: Analysis of competing decoherence effects
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Decoherence due to gravitational time dilation: Analysis of competing decoherence effects

机译：引力时间膨胀引起的退相干：竞争性退相干效应分析

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摘要

Recently, a static gravitational field, such as that of the Earth, was proposed as a new source of decoherence [1]. We study the conditions under which it becomes the dominant decoherence effect in typical interferometric experiments. The following competing sources are considered: spontaneous emission of light, absorption, scattering with the thermal photons and collisions with the residual gas. We quantify all these effects. As we will see, current experiments are off by several orders of magnitude. New ideas are needed in order to achieve the necessary requirements: having as large a system as possible, to increase gravitational decoherence, cool it and isolate well enough to reduce thermal and collisional decoherence, and resolve very small distances. (C) 2016 Elsevier B.V. All rights reserved.
机译：最近，人们提出了一种静态重力场，例如地球的重力场，作为消相干的新来源[1]。我们研究了在典型的干涉实验中它成为主要退相干效应的条件。考虑以下竞争源：光的自发发射，吸收，热光子的散射以及与残留气体的碰撞。我们量化所有这些影响。正如我们将看到的，当前的实验偏离了几个数量级。为了达到必要的要求，需要新的思路：拥有尽可能大的系统，以增加重力退相干，对其进行冷却并充分隔离，以减少热和碰撞退相干，并解决很小的距离。 （C）2016 Elsevier B.V.保留所有权利。

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