Heisenberg Undertainty Principle

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    Heisenberg Principle
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Discussion Overview

The discussion revolves around interpretations of the Heisenberg Uncertainty Principle (HUP) and its implications regarding randomness and determinism in quantum mechanics. Participants analyze a statement from a book that claims the HUP demonstrates certainty rather than uncertainty, prompting a deeper exploration of the principle's meaning and context.

Discussion Character

  • Debate/contested, Conceptual clarification

Main Points Raised

  • One participant suggests that the author's interpretation of the HUP indicates a misunderstanding, as they claim it shows certainty rather than uncertainty.
  • Another participant argues that while the evolution of the wave-function is deterministic, the predictions made in quantum mechanics remain probabilistic, indicating a nuanced view of determinism versus randomness.
  • Some participants express the need for more context to fully evaluate the author's grasp on the principle, highlighting the vagueness of terms like "ultimate randomness."
  • There is a clarification that the discussion is not related to homework, addressing a potential misunderstanding.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the interpretation of the HUP or the author's understanding of it. Multiple competing views regarding determinism and randomness in quantum mechanics are present.

Contextual Notes

The discussion lacks specific definitions and context regarding the terms used, such as "ultimate randomness," which may affect the clarity of the arguments presented.

cutekawaii
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I was reading a book and came upon these lines:
Occasionally physicists bring up the Heisenberg Uncertainty Principle as "proof" that there is randomness to the cosmos. Yet ironically the principle itself makes a definite statement about the position and velocity of subatomic particles. The Heisenberg Uncertainty Principle thus shows certainty, not uncertainty; it in no way proves the ultimate randomness of the natural world.

Based on these lines alone, what would you make of the author's grasp on the principle? If you didn't know what the HUP was, what impression would you get?
 
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I'd need more context to say. The blurb you gave states very little. "ultimate randomness" and "randomness to the cosmos" are vague statements. The book states that the principle is a "definite statement", but that doesn't mean that the statements it makes are deterministic...

Anyways, the difference between classical determinism and quantum can probably be phrased more clearly in terms of wave-functions: Yes, the evolution of the wave-function *is* deterministic, but quantum predicitions are still probabilistic. Sorry, but that's the best anyone can do.
 
p.s. this isn't a homework question, is it?
 
olgranpappy said:
I'd need more context to say. The blurb you gave states very little.
That's the entirety of the mention of the principle.

And no it's not homework lol.
 

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