What are ‘weak measurements’ and what do they tell us about quantum systems? Less than is often claimed.

The idea of 'weak measurements' has been much discussed recently in the popular science presses as well as in physics journals. This post aims to demystify some of the claims made about quantum systems based on weak measurements. As illustration of the basic idea of weak measurement, consider the following analogy. A quantum shoe factory … Continue reading What are ‘weak measurements’ and what do they tell us about quantum systems? Less than is often claimed.

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