Quantum TGD realies on two parallel approaches.
- The first approach starts from a generalization of Einstein's program proposing geometrization of classical physics so that entire quantum physics is geometrized in terms of the Kähler geometry of "World of Classical Worlds" (WCW) consisting of space-time surfaces which are preferred extremals of the action principle involved. Classical physics becomes exact part of quantum theory. The Kähler geometry of infinite-D WCW and thus physics is unique from its mere existence (this was shown for loop spaces by Dan Freed).
Generalization of 4-D twistor approach to its 8-D variant based on on lift of Kähler action exists only for H=M4× CP2 forced also by standard model symmetries so that TGD become completely unique.
- Second approach is number theoretic. The starting point was the amazing success of p-adic mass calculations. The interpretation is that p-adic number fields and p-adic physics provide the physical (in generalized sense) correlates of cognition and imagination. This leads to what I call adelic physics fusing real number based "ordinary" physics for matter and various p-adic physics for cognition to single coherent whole. Extensions of rationals induce an infinite hierarchy of extensions of p-adic number fields and therefore of also adeles.
This hierarchy can be seen as evolutionary hierarchy for cognition. The higher the dimension of extension, the higher the complexity and the higher the "IQ". Cognitive representation is the basic notion. At space-time level it consists of points common to real space-time surfaces and various p-adic space-time surfaces: common points have preferred imbedding space coordinates in the extension of rationals so that they make sense in all number fields. This extensions generalizes to the level of WCW: the discrete set of points serves as coordinates of WCW point.
This also leads to a hierarchy of cognitive representations of scattering amplitudes. Cognitive representation serves as an approximation of the actual scatting amplitude and there is hierarchy of improving approximation. One concrete prediction is hierarchy heff/h0=n of effective values of Planck constant assumed to label phases of ordinary matter behaving like dark matter. The number theoretic interpretation of n is as the dimension of extension of rationals.
Also quaternions and octonions play a key role in TGD. So called M8-H duality mapping algebraic associative surfaces in complexified octonionic M8 to space-time surfaces in H appearing as preferred extremals of the action principle. The identification of preferred extremals as minimal surfaces apart from discrete set of points is very promising since minimal surface property extremizes also Kähler action and the dynamics involves no couplings as quantum criticality requires. This would reduce TGD to octonionic algebraic geometry at the level of M8 allowing to understand the hierarchy of Planck constants geometrically.
TGD inspired theory of consciousness and quantum biology are also essential parts of TGD.
- Around 1995 I started to work with what I call TGD inspired theory of consciousness. It can be seen as a generalization of quantum measurement theory so that the observer become part of physical system rather than remaining an outsider as in the usual approaches.
A generalization of the standard ontology to what I call zero energy ontology (ZEO) solves the basic problem of quantum measurement theory due to the conflict between determinism of unitary evolution and non-determinism of state function reduction, and leads to a new view about the relationship between subjective time and geometric time: there are two causalities, the causality of free will and that of field equations and they are consistent with each other in ZEO.
- Also quantum biology as seen from TGD perspective became application of TGD. An essential role is played by the the notions of many-sheeted space-time and the notion of field body emerging naturally from the identification of space-time as 4-surface. The effects due to many-sheetedness are not seen at QFT limit but play a pivotal role in living matter. One can assign to any system field identity - field body, in particular magnetic body. This completes the pair bio-system--environment to a triplet field-body--bio-system--environment. Magnetic body can be said to act as intentional agent using biological body as a sensory receptor and motor instrument. For instance, EEG would serve this purpose.
Material about TGD
The articles at following address give summary about basic ideas of TGD and TGD inspired theory of consciousness and quantum biology.
- "Why TGD and What TGD is?": see this.
- "Can one apply Occam’s razor as a general purpose debunking argument to TGD?": see this.
- "Getting philosophical: some comments about the problems of physics, neuroscience, and biology": see this.
- "TGD": see this.
- Besides thesis there are three published books about TGD: see this, this, and this.
- Homepage contains both online books (17) and articles related to TGD: see this..
- I have published most of the articles as versions in the journals published by Huping Hu. See this., this, and this.
The links up-to-date versions of articles can be found at my homepage : see this.
- TGD can be found also in Research Gate: see this.
- "TGD diary" is a blog telling about progress in TGD: see this. For a list of blog postings arranged according to topic see "The latest progress in TGD": see this.
- My FB timeline contains (mostly) links to a progress in TGD: see this.
For a summary of earlier postings see Latest progress in TGD.
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