In November 1915 Albert Einstein published General Relativity in an expression of geometry and implied action at a distance with assistance of leading Mathematicians. They took credit for the math and gave him credit for the physics.
There were no other choices in 1915 because the properties of space were not well understood for another 20 years. Einstein didn't expect his theory to be a final result. He spent his last 40 years trying to improve it and failed, because the path forward led toward quantum mechanics, which he largely rejected. In his final publications Einstein asked his readers to continue the work.
Progress since then has been accomplished mostly in Quantum Field Theory, and in continuum of more than 4 dimensions. Work on QFT was delayed a long time by disagreement on vacuum energy and cosmological constant. Partition theory seems to have resolved the argument through a Lagrange Density that allows large total energy and small net curvature.
In other threads the proposal was made to represent local stress energy as a modification of ZPE amplitude and frequency.
Can General Relativity Be Expressed Locally As Modified ZPE?
Dear Jerry,
I'm not sure to understand your purpose in this question, but for having a ZPE (zero point energy) first of all you need to have a quantum theory of gravitation, which doesn't exist for the moment. On the other hand, a ZPE is not at all a well defined concept even in QFT due to a non unique vacuum energy (depends of the particle models and experimental results discripancy). Finally, the ZPE doesn't garantees any kind of locallity in the associated gravitation theory.
Thanks Daniel,
I realize there are difficulties in the understanding of QFT and the ZPE. In other threads I suggested ways to resolve issues. ZPE can be precisely defined by partitioning the energy into different types related to the four fundamental forces. An equal partition in flat space creates enough independent equations to specify ZPE. Then in curved space the partitions are not equal, leading to models of local gravity and propagation.
QFT has the problem of energy and curvature that is resolved in the partition as expressed in Lagrange Density where the total energy is large but the Lagrange Density is small. Lagrange operators have partition as an expressed necessity since potential energy is subtracted from kinetic energy to correctly predict celestial mechanics.
My purpose is to get a realistic view of space and time limitations for fast moving vehicles in deep space transport where existing theories are hard pressed to predict the results a traveler might find.
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