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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...
- | NEWS Quantum uncertainty not all in the measurement - Nature
A new experiment shows that measuring a quantum system does...
- | NEWS Quantum uncertainty not all in the measurement - Nature
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...
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.
Oct 8, 2001 · That is, we will look at attempts that would establish a claim which may be called a measurement uncertainty principle. In quantum mechanics, there is no measurement procedure by which one can accurately measure the position of a system without disturbing it momentum, in the sense that some measure of inaccuracy in position and some measure of ...
- Jan Hilgevoord, Jos Uffink
- 2001
Quantum theory does not restrict this precision. How-ever, such a measurement will introduce an uncontrolled uncertainty of ∆p ≥ ~/∆x1 in the momentum of the particle. After a duration τ the position of the particle is uncertain by ∆x2 ≃ ∆x1 + τ∆p/m, which could be much larger than ∆x1. Hence there is significant back-action ...
Heisenberg’s uncertainty principle, which imposes intrinsic restrictions on our ability to predict the outcomes of incompatible quantum measurements to arbitrary precision, demonstrates one of the key differences between classical and quantum mechanics.
