This is a supplementary to the last episode concerning the searching for the theory of everything. The postulates introduced in the previous episode are made to describe the most strange behavior observable in our universe, double slit experiment but are lack of enough explanations and motives on why those are necessary to understand the strange behaviors in quantum mechanics such as particle-wave duality, superposition, the conflict of notion of time and space between quantum mechanics and general relativity and so on.
To most readers who know what Feynman mentioned on the strange behaviors in quantum mechanics, my postulates may sound like just a stupid and false information and will be put into a trash. I agree that it may be highly likely the case. But I hope that everyone is on same page with me and I still believe time is on my side which means I am crazy now. I am pretty sure that everyone will agree with my view someday because it would be only game in town which means it will be the only one model existing so far to make one understand intuitively all strange behaviors observable in the double slit experiment.
The main point here is that we need to revisit every notion of the most fundamental property in our universe such as time, space and mass and the re-conceptualization on those notions is crucial to understand the unanswered problems in quantum mechanics and general relativity. The necessity for the re-conceptualization of notion of the most fundamental properties have been expressed by many other brilliant persons including scientists and philosophers who are involved in the development of quantum gravity.
Quantum gravity is a physical theory not finished yet trying to unify all 4 forces, strong/weak forces, electromagnetic force and gravitational force. Although quantum gravity have been studied by many physicists for almost 100 years, it is still on-going process. String theory and loop quantum gravity, which are both trying to unify all forces within a single theoretical framework are all considered as a possible candidate for the theory of everything but still far from the perfect theory. Difficulty to reconciling quantum mechanics and gravity came from the different notions for time and space and is described in [2]. Why is that? In my view, it is because the current understanding of time and space is incomplete and Einstein himself who introduced the latest description for gravity, curvature of space-time, expressed a similar view. In 1916, shortly after publishing the theory of general relativity, he wrote "Due to the intra-atomic movement of electrons, atoms would have to radiate not only electromagnetic but also gravitational energy, if only in tiny amounts. As this is hardly true in nature, it appears that quantum theory would have to modify not only Maxwellian electrodynamics, but also the new theory of gravitation.”
Gravity is described by Einstein's equations, which amount to constraints on the curvature of space-time due to the presence of mass and energy and the necessity for modifying the theory of gravitation means that we need to rethink about the true nature of time and space. Similar views have been shared among physicists. According to [1], Matvei Bronstein, one young Russian scientist, expressed a similar view in his a short paper published in 1934 by concluding that the difficulty of quantizing gravity brought the entire nature of space and tme into question: "The elimination of the logical inconsistencies ... requires a radical reconstruction of the theory, and in particular, the rejection of a Riemannian geometry dealing, as we have seen here, with quantities which are unobservable in principle, and perhaps also the rejection of our ordinary concepts of space and time, replacing them by some much deeper and nonevident concepts. Wer's nicht glaubt, bezahlt einen Thaler."
In order to open the next door leading to a working theory for quantum gravity, I think a new philosophical thinking on the true nature of time and space is also necessary as can be seen [2].
Tian Cao argues that quantum gravity offers up a unique opportunity for philosophers of physics, leaving them “with a good chance to make some positive contributions, rather than just analysing philosophically what physicists have already established” (Cao, 2001, p. 138). This sentiment has in fact been echoed by several physicists, not least by Carlo Rovelli (a central architect of the approach known as loop quantum gravity), who complains that he wishes philosophers would not restrict themselves to “commenting and polishing the present fragmentary physical theories, but would take the risk of trying to lookahead” (Rovelli, 1997, p. 182)
It would be worth to introduce one more writing (refer [3]) mentioning the existence of absolute time and space which I agree:
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Flat (Minkowski) spacetime is a trivial example, but empty spacetime can also be curved, as demonstrated by Willem de Sitter in 1916. There are even spacetimes whose distant reaches rotate endlessly around the sky relative to an observer's local inertial frame (as discovered by Kurt Gödel in 1949). The bare existence of such solutions in Einstein's theory shows that it cannot be Machian in the strict sense; matter and spacetime remain logically independent. The term "general relativity" is thus something of a misnomer, as pointed out by Hermann Minkowski and others. The theory doesnot make spacetime more relative than it was in special relativity. Just the opposite is true: the absolute space and time of Newton are retained. They are merely amalgamated and endowed with a more flexible mathematical skeleton (the metric tensor).
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If one goes beyond classical physics and into modern quantum field theory, then questions of absolute versus relational spacetime are rendered anachronistic by the fact that even "empty space" is populated by matter in the form of virtual particles, zero-point fields and more. Within the context of Einstein's universe, however, the majority view is perhaps best summed up as follows: Spacetime behaves relationally but exists absolutely.
So I hope that one recognize that there exists a need to re-conceptualize the notion of time and space shared by a group of physicists at least and let me introduce my own reasoning in the following sections.
[will be updated soon]
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References:
[1] http://blogs.scientificamerican.com/guest-blog/why-is-quantum-gravity-so-hard-and-why-did-stalin-execute-the-man-who-pioneered-the-subject/
[2] http://plato.stanford.edu/entries/quantum-gravity/
[3] https://einstein.stanford.edu/SPACETIME/spacetime2.html
