ArticleEntropy (Basel, Switzerland)2021
Causality in Discrete Time Physics Derived from Maupertuis Reduced Action Principle.
Article in Entropy (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Rotating Minimal Thermodynamic Systems.Entropy (Basel, Switzerland) · 2022Article
- Statistical Physics of Evolving Systems.Entropy (Basel, Switzerland) · 2021Article
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2 authors.
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Abstract
Causality describes the process and consequences from an action: a cause has an effect. Causality is preserved in classical physics as well as in special and general theories of relativity. Surprisingly, causality as a relationship between the cause and its effect is in neither of these theories considered a law or a principle. Its existence in physics has even been challenged by prominent opponents in part due to the time symmetric nature of the physical laws. With the use of the reduced action and the least action principle of Maupertuis along with a discrete dynamical time physics yielding an arrow of time, causality is defined as the partial spatial derivative of the reduced action and as such is position- and momentum-dependent and requests the presence of space. With this definition the system evolves from one step to the next without the need of time, while (discrete) time can be reconstructed.
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