Natural solution to the naturalness problem: The universe does fine-tuning

Hamada, Yuta; Kawai, Hiroyuki; Kawana, Kiyoharu

doi:10.1093/ptep/ptv168

Cited by 30 publications

(44 citation statements)

References 77 publications

(108 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In this interpretation, the effective action takes the form of a polynomial of what we usually treat as an action [23]. That unusual effective action is supposed to yield the solution of fine-tuning problem [24,25,26]. Note that the matrix model contains infinitely many fields.…”

Section: A Review Of the Operator Interpretation Of The Matirx Modelmentioning

confidence: 99%

A note on higher spin symmetry in the IIB matrix model with the operator interpretation

Sakai

2019

Nuclear Physics B

View full text Add to dashboard Cite

We study the IIB matrix model in an interpretation where the matrices are differential operators defined on curved spacetimes. In this interpretation, coefficients of higher derivative operators formally appear to be massless higher spin fields. In this paper, we examine whether the unitary symmetry of the matrices includes appropriate higher spin gauge symmetries. We focus on fields that are bosonic and relatively simple in the viewpoint of the representation of Lorentz group. We find that the additional auxiliary fields need to be introduced in order to realize the higher spin gauge symmetries. At the same time, we point out that a part of these extra fields are gauged-away, and the rest of part can be written in terms of a totally symmetric tensor field. The transformation to remove its longitudinal components exists as well. As a result, we observe that the independent physical DoF are the transverse components of that symmetric field, and that the theory describes the corresponding higher spin field. *

show abstract

Section: A Review Of the Operator Interpretation Of The Matirx Modelmentioning

confidence: 99%

A note on higher spin symmetry in the IIB matrix model with the operator interpretation

Sakai

2019

Nuclear Physics B

View full text Add to dashboard Cite

show abstract

“…[35] for a review and refs. [36][37][38] for its possible interpretations. This principle requires that the parameter of the theory to be tuned so that there are multiple vacua that are degenerate in energy.…”

Section: Jhep11(2017)043mentioning

confidence: 99%

Weak gravity conjecture, multiple point principle and the standard model landscape

Hamada

Shiu

2017

J. High Energ. Phys.

Self Cite

View full text Add to dashboard Cite

Abstract:The requirement for an ultraviolet completable theory to be well-behaved upon compactification has been suggested as a guiding principle for distinguishing the landscape from the swampland. Motivated by the weak gravity conjecture and the multiple point principle, we investigate the vacuum structure of the standard model compactified on S 1 and T 2 . The measured value of the Higgs mass implies, in addition to the electroweak vacuum, the existence of a new vacuum where the Higgs field value is around the Planck scale. We explore two-and three-dimensional critical points of the moduli potential arising from compactifications of the electroweak vacuum as well as this high scale vacuum, in the presence of Majorana/Dirac neutrinos and/or axions. We point out potential sources of instability for these lower dimensional critical points in the standard model landscape. We also point out that a high scale AdS 4 vacuum of the Standard Model, if exists, would be at odd with the conjecture that all non-supersymmetric AdS vacua are unstable. We argue that, if we require a degeneracy between three-and four-dimensional vacua as suggested by the multiple point principle, the neutrinos are predicted to be Dirac, with the mass of the lightest neutrino ≈ O(1-10) meV, which may be tested by future CMB, large scale structure and 21cm line observations.

show abstract

“…It has all the time been so, that we have presented our bound state story together with our "Multiple Point Principle" [11,12,14,15,16,18,19,20,21,22,23,24,25,37,26,27,28,29,30,31].…”

Section: Introductionmentioning

confidence: 99%

“…We could also say that this "Multiple Point Principle" means, that the universe-vacuum is just at some multiple point, where several phases can coexist, much like one at the triple point for water has coexistence of ice, fluid water, and vapor for a common set of intensive variables, pressure and temperature. There may be no real good derivation or argument for our "multiple point principle" in spite of the fact, that we have published some attempts to derive this principle [11,37,38,26,27,28,29,30,31], but all such arguments would have to involve some influence of the future on the past, at least on the coupling constants, and that would make all such derivations of MPP suspicious. The reader should rather take some previous works -even prediction(s) -as well as the results of the present work as empirical evindence for this new law of nature, the "multiple point principle"(see also [17]).…”

Section: Introductionmentioning

confidence: 99%

“…

AbstractWe collect and estimate support for our long speculated "multiple point principle" [11,12,14,15,16,18,19,20,21,22,23,24,25,37,26,27,28,29,30, 31] saying that there should be several vacua all having (compared to the scales of high energy physics) very low energy densities. In pure Standard Model we suggest there being three by "multiple point principle" low energy density vacua, "present", "condensate" and "high field" vacuum.

…”

mentioning

confidence: 99%

See 1 more Smart Citation

F(750), we miss you as bound state of 6 top and 6 antitop

Nielsen¹

2016

Int. J. Mod. Phys. A

View full text Add to dashboard Cite

We collect and estimate support for our long speculated "multiple point principle" [11,12,14,15,16,18,19,20,21,22,23,24,25,37,26,27,28,29,30, 31] saying that there should be several vacua all having (compared to the scales of high energy physics) very low energy densities. In pure Standard Model we suggest there being three by "multiple point principle" low energy density vacua, "present", "condensate" and "high field" vacuum. We fit the mass of the in our picture since long speculated bound state [69,70,71,72,74,75,76,77,78,79,80,81,82,83,8] of six top and six anti top quarks in three quite independent ways and get remarkably within our crude accuracy the same mass in all three fits! The new point of the present article is to estimate the bound state mass in what we could call a bag model estimation. The two other fits, which we review, obtain the mass of the bound state by fitting to the multiple point principle prediction of degenerate vacua.Our remarkable agreement of our three mass-fits can be interpreted to mean, that we have calculated at the end the energy densities of the two extra speculated vacua and found that they are indeed very small!. Unfortunately the recently much discussed statistical fluctuation peak F (750) [2,3,4,5] has now been revealed to be just a fluctuation, very accidentally matches our fitted mass of the bound state remarkably well with the mass of this fluctuation 750 GeV.

show abstract

Natural solution to the naturalness problem: The universe does fine-tuning

Abstract: We propose a new mechanism to solve the fine-tuning problem.

Cited by 30 publications

References 77 publications

A note on higher spin symmetry in the IIB matrix model with the operator interpretation

A note on higher spin symmetry in the IIB matrix model with the operator interpretation

Weak gravity conjecture, multiple point principle and the standard model landscape

F(750), we miss you as bound state of 6 top and 6 antitop

Contact Info

Product

Resources

About