The adelically exceptional properties of Neper number e, Kähler metric of WCW, and strong form of holography posing extremely strong constraints on preferred extremals, could make this possible. In Minkowskian regions the exponent of imaginary Kähler action would be root of unity. In Euclidian space-time regions expressible as power of some root of e which is is unique in sense that e^{p} is ordinary p-adic number so that e is p-adically an algebraic number - p:th root of e^{p}.

These conditions give conditions on Kähler coupling strength α_{K}= g_{K}^{2}/4π (hbar=1)) identifiable as an analog of critical temperature. Quantum criticality of TGD would thus make possible number theoretical universality (or vice versa).

- In Euclidian regions the natural starting point is CP
_{2}vacuum extremal for which the maximum value of Kähler action is

S

_{K}= π^{2}/2g_{K}^{2}= π/8α_{K}.

The condition reads S

_{K}=q =m/n if one allows roots of e in the extension. If one requires minimal extension of involving only e and its powers one would have S_{K}=n. One obtains

1/α

_{K}= 8q/π ,

where the rational q=m/n can also reduce to integer. One cannot exclude the possibiity that q depends on the algebraic extension of rationals defining the adele in question.

For CP

_{2}type extremals the value of p-adic prime should be larger than p_{min}=53. One can consider a situation in which large number of CP_{2}type vacuum extremals contribute and in this case the condition would be more stringent. The condition that the action for CP_{2}extremal is smaller than 2 gives

1/α

_{K}≤ 16/π ≈ 5.09 .

It seems there is lower bound for the p-adic prime assignable to a given space-time surface inside CD suggesting that p-adic prime is larger than 53× N, where N is particle number.

This bound has not practical significance. In condensed matter particle number is proportional to (L/a)

^{3}- the volume divided by atomic volume. On basis p-adic mass calculations p-adic prime can be estimated to be of order (L/R)^{2}. Here a is atomic size of about 10 Angstroms and R CP_{2}"radius. Using R≈ 10^{4}L_{Planck}this gives as upper bound for the size L of condensed matter blob a completely super-astronomical distance L≤ a^{3}/R^{2}∼ 10^{25}ly to be compared with the distance of about 10^{10}ly travelled by light during the lifetime of the Universe. For a blackhole of radius r_{S}= 2GM with p∼ (2GM/R)^{2}and consisting of particles with mass above M≈ hbar/R one would obtain the rough estimate M>(27/2)× 10^{-12}m_{Planck}∼ 13.5× 10^{3}TeV trivially satisfied.

- The physically motivated expectation from earlier arguments - not necessarily consistent with the recent ones - is that the value α
_{K}is quite near to fine structure constant at electron length scale: α_{K}≈ α_{em}≈ 137.035999074(44).

The latter condition gives n=54=2× 3

^{3}and 1/α_{K}≈ 137.51. The deviation from the fine structure constant is Δ α/α= 3× 10^{-3}-- .3 per cent. For n=53 one obtains 1/α_{K}= 134.96 with error of 1.5 per cent. For n=55 one obtains 1/α_{K}= 150.06 with error of 2.2 per cent. Is the relatively good prediction could be a mere accident or there is something deeper involved?

_{2}is proportional to π. If the value of g

_{K}is same for Minkowskian and Euclidian regions, g

_{K}

^{2}∝ π

^{2}implies S

_{K}∝ A/R

^{2}π so that A/R

^{2}∝ π

^{2}is required.

This approach leads to different algebraic structure of α_{K} than the earlier arguments.

- α
_{K}is rational multiple of π so that g_{K}^{2}is proportional to π^{2}. At the level of quantum TGD the theory is completely integrable by the definition of WCW integration(!) and there are no radiative corrections in WCW integration. Hence α_{K}does not appear in vertices and therefore does not produce any problems in p-adic sectors.

- This approach is consistent with the proposed formula relating gravitational constant and p-adic length scale. G/L
_{p}^{2}for p=M_{127}would be rational power of e now and number theoretically universally. A good guess is that G does not depend on p. As found this could be achieved also if the volume of CP_{2}type extremal depends on p so that the formula holds for all primes. α_{K}could also depend on algebraic extension of rationals to guarantee the independence of G on p. Note that preferred p-adic primes correspond to ramified primes of the extension so that extensions are labelled by collections of ramified primes, and the ramimified prime corresponding to gravitonic space-time sheets should appear in the formula for G/L_{p}^{2}.

- Also the speculative scenario for coupling constant evolution could remain as such. Could the p-adic coupling constant evolution for the gauge coupling strengths be due to the breaking of number theoretical universality bringing in dependence on p? This would require mapping of p-adic coupling strength to their real counterparts and the variant of canonical identification used is not unique.

- A more attractive possibility is that coupling constants are algebraically universal (no dependence on number field). Even the value of α
_{K}, although number theoretically universal, could depend on the algebraic extension of rationals defining the adele. In this case coupling constant evolution would reflect the evolution assignable to the increasing complexity of algebraic extension of rationals. The dependence of coupling constants on p-adic prime would be induced by the fact that so called ramified primes are physically favored and characterize the algebraic extension of rationals used.

- One must also remember that the running coupling constants are associated with QFT limit of TGD obtained by lumping the sheets of many-sheeted space-time to single region of Minkowski space. Coupling constant evolution would emerge at this limit. Whether this evolution reflects number theoretical evolution as function of algebraic extension of rationals, is an interesting question.

See the chapter Coupling Constant Evolution in Quantum TGD and the chapter Unified Number Theoretic Vision of "Physics as Generalized Number Theory" or the article Could one realize number theoretical universality for functional integral?.

For a summary of earlier postings see Links to the latest progress in TGD.
## 5 comments:

Compare to the prime-thread in Josephs simulations.

What define the distance between the mirrors? The squeezed states? How is acceleration created or expanded at microscale, how is it regulated so we get a border condition?

You say the distance between borders are a timescale, or a p-adic hierarchy, a Plancks constant squaring, etc. How are these related?

The electron timescale comes from its winding?

Wrong links.

See the chapter Coupling Constant Evolution in Quantum TGD "Towards M-matrix", and the chapter Unified Number Theoretic Vision of "Physics as Generalized Number Theory"

Thank you. Corrected.

Sorry. I could not understand the question.

Matti, nice to see you are re-evaluating the general questions.

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