New model permits time travel

DMuitW
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New model "permits time travel"

Quoted from http://news.bbc.co.uk/1/hi/sci/tech/4097258.stm

Basically, what is said is that a superposed quantum wave is allowed to travel back in time. They make a clear distinction between a collapsed WF and a superposed. Also measurement device is indirectly used in this article..

What is your opinion?
Matt
 
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DMuitW said:
Quoted from http://news.bbc.co.uk/1/hi/sci/tech/4097258.stm

Basically, what is said is that a superposed quantum wave is allowed to travel back in time. They make a clear distinction between a collapsed WF and a superposed. Also measurement device is indirectly used in this article..

What is your opinion?
Matt

Just a set of empty words :zzz: . This is a very personal opinion.

Seratend.
 
The concept of time travel has always fascinated humans and has been a popular subject in science fiction. However, it has been considered impossible according to our current understanding of physics and the laws of causality. But this new model challenges that belief and suggests that it may be possible to send information back in time through a superposed quantum wave.

The idea of a superposed quantum wave traveling back in time is intriguing and raises many questions. How would this affect the concept of cause and effect? Would it create paradoxes? What kind of information could be sent back in time and how would it be received?

It is also interesting to note the use of a measurement device in this model. This brings up the role of observation and measurement in quantum mechanics and how it may play a crucial part in understanding the possibility of time travel.

Overall, this new model presents a thought-provoking concept and opens up new avenues for research and exploration. It will be fascinating to see how this theory develops and if it could potentially lead to the realization of time travel in the future. Thank you again for sharing this article.
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!

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