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Does not necessarily introduce uncertainty
- A new experiment shows that measuring a quantum system does not necessarily introduce uncertainty
www.scientificamerican.com/article/common-interpretation-of-heisenbergs-uncertainty-principle-is-proven-false/Common Interpretation of Heisenberg's Uncertainty Principle ...
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Sep 11, 2012 · A new experiment shows that measuring a quantum system does not necessarily introduce uncertainty. The study overthrows a common classroom explanation of why the quantum world appears so...
- Geoff Brumfiel
- 2012
Sep 11, 2012 · A new experiment shows that measuring a quantum system does not necessarily introduce uncertainty. The study overthrows a common classroom explanation of why the quantum world...
Jun 12, 2023 · Here, we demonstrate universal uncertainty principles for general interactive measurements involving arbitrary rounds of interventions. As a case study, we show that they imply an uncertainty trade-off between measurements compatible with different causal dependencies.
Measuring a quantum system generally changes the quantum state that describes that system. This is a central feature of quantum mechanics, one that is both mathematically intricate and conceptually subtle.
May 16, 2024 · Fully quantum metrology involves entanglement in an array of quantum systems, enabling uncertainty reduction below the standard quantum limit.
Oct 8, 2001 · In quantum mechanics, it is impossible to prepare any system in a state \(\ket{\psi}\) such that its position and momentum are both precisely predictable, in the sense of having both the expected spread in a measurement of position and the expected spread in a momentum measurement arbitrarily small.
A common misconception about the uncertainty principle in quantum physics is that it implies our measurements are uncertain or inaccurate. In fact, uncertainty is an inherent aspect of anything with wave-like behavior.
