Measurement theory and stochastic differential equations in quantum mechanics.
Measurement theory and stochastic differential equations in quantum mechanics.
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量子力学中的测量理论和随机微分方程。
DOI：
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发表时间：
1986
期刊：
影响因子：
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通讯作者：
Alberto Barchielli
中科院分区：
文献类型：
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作者：
Alberto Barchielli
在量子力学中，连续（时间上）测量可以通过使用操作值测量和量子随机微积分来引入。本文用量子随机微积分来说明测量理论与开放系统理论之间的联系。特别是，它示出了如何连续测量严格相关的输出通道的概念，介绍了量子随机微分方程的框架中的加德纳和科莱。
Continuous (in time) measurements can be introduced in quantum mechanics by using operation-valued measures and quantum stochastic calculus. In this paper quantum stochastic calculus is used for showing the connections between measurement theory and open-system theory. In particular, it is shown how continuous measurements are strictly related to the concept of output channels, introduced in the framework of quantum stochastic differential equations by Gardiner and Collet.