Time Independence: Modeling the Physical World

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Discussion Overview

The discussion centers around the concept of time independence in modeling the physical world, exploring whether physical laws can be considered timeless or if time itself is a fundamental aspect of physical interactions. The scope includes theoretical considerations and philosophical implications of time in physics.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants suggest that the "standard view" of physical laws is timeless, with time emerging based on the observer's perspective.
  • Others propose that time itself could be a fundamental interacting entity, questioning the conventional understanding of time in physics.
  • One participant notes that while there may not be a time-independent model of the physical world, there are static phenomena and certain physical variables, such as energy and momentum, that are independent of time.
  • A participant introduces the idea of reversing motion from Euclidean shapes, suggesting a potential link between geometry and motion in a time-independent context.

Areas of Agreement / Disagreement

Participants express differing views on the nature of time and its role in physical models. There is no consensus on whether a time-independent model can exist, and multiple competing perspectives are presented.

Contextual Notes

Some claims depend on specific definitions of time and modeling, and there are unresolved philosophical implications regarding the nature of physical laws and observer independence.

Hippasos
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Has there been any attempts to create time-independent model of physical world?

Thanks!
 
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Hippasos said:
Has there been any attempts to create time-independent model of physical world?

It depends what you mean with model. I'd say to a certain extent the "standard view" of physical law is timeless, and time (t) only emerges when you choose an observer. But the laws of physics and the symmetries of physics are according to standard reasoning timless or eternal, since the laws of physics are often assumed to obviously be observer independent.

OTOH, if you want to hear some brief objections to this more common view, see Smolins philosophical talk http://pirsa.org/08100049

/Fredrik
 
No - what I was thinking that maybe time itself could be some fundamentals interacting.
 
Hippasos said:
Has there been any attempts to create time-independent model of physical world?

Of physical word - no, but there are time-independent phenomena, called usually static ones.

There are also physical variable combinations independent of time. The most known are the total energy, momentum, and the angular momentum. These are additive in particles. There are also many others but they are not additive in particles. In terms of them there is no time because their values are conserved.
 

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