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Canadian Medical Association Journal

light

Andrew Smith

Published Aug 6, 2013• 0 citations
Publisher

Abstract

> quantum physics says that observation of light changes its behaviour (particle or wave) > > that reality changes with the watching > could it be light gets nervous? > > panics during the investigation like a criminal found out > > or a patient having their pressure checked (now hypertensive

DOI
10.1503/cmaj.131018

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quantum physics says that observation of light changes its behaviour (particle or wave) > > that reality changes with the watching > could it be light gets nervous? > > panics during the investigation like a criminal found out > > or a patient having their pressure checked (now hypertensive
The quantum Zeno effect is the suppression of unitary time evolution in quantum systems and can be caused by measurement or interactions with the environment. It is a feature of a systems under which time evolution of a particle can be slowed down by measuring it frequently enough. In other words, when a system is being constantly watched, it cannot change. Evolution of the system can be slowed down or even frozen by the act of frequent measurement or interaction with the environment. The name of the phenomena comes from Zeno’s arrow paradox, which states that because an arrow in flight is not seen to move during any single instant, it cannot possibly be moving at all. In this chapter, we will present results of a study conducted on a group of 45 judges adjudicating in criminal cases. We will analyse if preliminary rulings, interim orders and other numerous intermediate decisions related to the course of the criminal trial and affect the final judgement of the case. The findings show whether a quantum effect can be observed in the criminal trials.
Imagine three people looking at the same sunset. One is colourblind — they see grey and blue.One has normal vision — they see orange, red, and purple. One is a mantis shrimp(hypothetically) — they see 16 colours, including ultraviolet patterns invisible to the other two.Same sunset. Three different experiences. None of them is "wrong." Each sees the real sunset —but filtered through their biology.Now apply this to the deepest question in physics: is light a wave or a particle? The answerdepends on WHO is asking. A species that can only detect waves would say "light is a wave,obviously." A species that can only detect particles would say "light is a particle, obviously."Humans can detect both, so we're confused — we see two contradictory truths.This paper argues that wave-particle duality isn't a mystery about LIGHT. It's a fact aboutOBSERVERS. Different observers see different slices of the same reality. The universe has onenature — but no single species can see all of it. The double-slit experiment doesn't show ussomething weird about photons. It shows us the limits of our own perception. 🌌 Interactive Space Research Assistant: Explore and ask questions about this research interactively with the Quantum Ocean Framework Ai Chat (or talk directly with the Quantum Ocean Framework Ai voice conversation).
To test the effectiveness of a drug one can advice two randomly selected groups of patients to take or not to take it, respectively. It is well-known that the causal effect cannot be identified if not all patients comply. This holds even when the non-compliers can be identified afterwards since latent factors like patient's personality can influence both his decision and his physical response. However, one can still give bounds on the effectiveness of the drug depending on the rate of compliance. Remarkably, the proofs of these bounds given in the literature rely on models that represent all relevant latent factors (including noise) by hidden classical variables. In strong analogy to the violation of Bell's inequality, some of these bounds fail if patient's behavior is influenced by latent quantum processes (e.g. in his nervous system). Quantum effects could fake an increase of the recovery rate by about 13% although the drug would hurt as many patients as it would help if everyone took it. The other bounds are true even in the quantum case. We do not present any realistic model showing this effect, we only point out that the physics of decision making could be relevant for the causal interpretation of every-day life statistical data.