Einstein´s work ion Unified Field Theory

In summary, Einstein dedicated the end of his life to his theory of the asymmetric metric, which he published in his book "The Meaning of Relativity". This theory introduces Torsion and the spirit, and has connections to more modern theories. Einstein was initially rejected for publication by Phys. Rev., but later went on to publish his theory in his book, reaching a wider audience. The 5th edition of his book contains his final version of the theory. Additionally, James Shifflet of Washington University has revived the work on Einstein's Unified theory, which he combines with Schroedinger's similar theory.
  • #1
mprm86
52
0
I know that Einstein dedicated the end of his life working on this topic. Do anybody knows what exactly did his theory was about, and if it is connected somehow with modern unified therories?
Thanks.
 
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  • #2
Have a look at the appendix of the 5th ed. of the Meaning of Relativity, by Einstein himself. There you will find his final version. It is a theory of the assymetric metric. It introduces Torsion and the spirit as well as some results can be found in the more modern "theories".

Einstein put it there because it was rejected for publication by Phys. Rev. as being too mathematical and insufficently physical. So he published it in his relativity book and got a far wider audience than Phys. Rev. could have given. A glance at Phys. Rev. D shows they have abandoned that policy! Einstein went ballistic. How could referees stand between an author and his public? Why should referees undemocratically see work before the public? Apparently there were no referees for the relativity papers in Annalen der Physic. I can imagine the referee's report on the Special Relativity paper: "What the author fails to realize is that a meter is a meter and a second is a second and they cannot depend on the state of motion. This work must be rejected"
 
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  • #3
I've been looking for more information on this too but have found very little. Only general things like how mass is merely a field of very hight density and energy less high density. I guess. Anyway how do we get "5th ed. of the Principle of Relativity"?

Thanks :smile:
 
  • #4
Jake said:
I've been looking for more information on this too but have found very little. Only general things like how mass is merely a field of very hight density and energy less high density. I guess. Anyway how do we get "5th ed. of the Principle of Relativity"?

Thanks :smile:

It used to be available as a Princeton Univerity Paperback and was always very cheap. I screwed up. "the Principle of Relativity" is a Dover Paperback and has the early relativity papers in it with notes by Sommerfeld. Einstein's book is "The Meaning of Relativity" and the 5th ed has his final theory. Anyone serious about relativity should get both books. They were and are very popular. You should be able to find lots of cheap second hand copies in a used book store. Check out the online bookstores if you haven't any local bookshops.
 
  • #5
James Shifflet at Washington University in St. Louis has revived work in Einstein's Unified theory, which he combines with Schroedinger's very similar theory. See his home page for this: http://www.einstein-schrodinger.com/.
 
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1. What is Unified Field Theory?

Unified Field Theory, also known as the Theory of Everything, is a theoretical framework that aims to explain all physical aspects of the universe in terms of a single set of fundamental principles. It seeks to unify the four fundamental forces of nature: gravity, electromagnetism, strong nuclear force, and weak nuclear force, into a single equation.

2. What is Einstein's role in Unified Field Theory?

Einstein is credited with the initial development of Unified Field Theory. In 1915, he published his theory of General Relativity, which unified gravity with the concept of space and time. He then spent the rest of his life trying to unify all the fundamental forces, but unfortunately, he was not able to achieve this goal.

3. What is the status of Unified Field Theory today?

Unified Field Theory is still an ongoing area of research in theoretical physics. Many scientists continue to work on developing a complete and consistent theory. However, as of now, there is no widely accepted theory that unifies all the fundamental forces. Some promising attempts include string theory, loop quantum gravity, and supersymmetry.

4. Why is Unified Field Theory important?

Unified Field Theory is important because it has the potential to provide a deeper understanding of the fundamental laws that govern the universe. It could also help resolve some of the long-standing mysteries in physics, such as the nature of dark matter and dark energy. Additionally, a complete and consistent theory of everything could have practical applications in technology and engineering.

5. What are some challenges in developing Unified Field Theory?

One of the main challenges in developing Unified Field Theory is the lack of experimental evidence to guide the theory. The scale at which the unification of fundamental forces occurs is much smaller than what current technology is capable of probing. Another challenge is reconciling the different mathematical frameworks used to describe the various forces. Additionally, some theories of Unified Field Theory are highly complex and require advanced mathematical concepts, making them difficult to test and verify.

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