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Dilaton stabilization and composite dark matter in the string frame of heterotic-M-theory
High Energy Physics - Theory · Submitted 14 Oct 2012
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Our main purpose in this article is to point out that the lagrangian of the chameleonic model for the dilaton can be embedded, to a large extent, in heterotic-M-theory.
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The abstract, sentence by sentence
In this paper we further elaborate on our recently proposed solution to the cosmological constant problem - Phys. Rev. D82 (2010) 044006. One of the elements of the solution is the chameleonic behaviour of the Einstein frame dilaton: the mass of the dilaton is an increasing function of the matter density. In that model, a proper structure of the string-frame form factors in the strong coupling region of string theory is assumed. In particular, a stabilizing potential of the string frame dilaton is present and it is supposed to be the result of a quantum calculation. Our main purpose in this article is to point out that the lagrangian of the chameleonic model for the dilaton can be embedded, to a large extent, in heterotic-M-theory. We illustrate some theoretical grounds that support the ansatz about the form factors. In this paper, we break bulk supersymmetry with a massive sterile spinor field (i.e. a bulk neutrino field) and, under certain assumptions about the full M-theory action, we point out the Casimir origin of the stabilizing potential for the string frame dilaton (particular attention is dedicated to the role of the conformal transformations involved). Moreover, we point out the similarity between the string frame dark matter lagrangian and a Ginzburg-Landau lagrangian with sterile neutrino pairs playing the role of dark matter particles. However, more research efforts are necessary to connect the bulk spinor (neutrino) lagrangian with the Ginzburg-Landau lagrangian through direct calculations. A phenomenological test of these ideas is definitely required.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | In this paper we further elaborate on our recently proposed solution to the cosmological constant problem - Phys. Rev. D82 (2010) 044006. | background 0.98 | 0.30 | 0.03 | asserted 0.82 |
| s1 | One of the elements of the solution is the chameleonic behaviour of the Einstein frame dilaton: the mass of the dilaton is an increasing function of the matter density. | background 0.98 | 0.19 | 0.05 | asserted 1.00 |
| s2 | In that model, a proper structure of the string-frame form factors in the strong coupling region of string theory is assumed. | background 0.98 | 0.09 | 0.02 | asserted 0.72 |
| s3 | In particular, a stabilizing potential of the string frame dilaton is present and it is supposed to be the result of a quantum calculation. | background 0.96 | 0.08 | 0.03 | hedged possibility 0.50 |
| s4 | Our main purpose in this article is to point out that the lagrangian of the chameleonic model for the dilaton can be embedded, to a large extent, in heterotic-M-theory. | contribution 0.99 | 0.63 | 0.49 | asserted 0.53 |
| s5 | We illustrate some theoretical grounds that support the ansatz about the form factors. | contribution 0.96 | 0.73 | 0.04 | asserted 0.94 |
| s6 | In this paper, we break bulk supersymmetry with a massive sterile spinor field (i.e. a bulk neutrino field) and, under certain assumptions about the full M-theory action, we point out the Casimir origin of the stabilizing potential for the string frame dilaton (particular attention is dedicated to the role of the conformal transformations involved). | contribution 0.86 | 0.90 | 0.27 | asserted 0.84 |
| s7 | Moreover, we point out the similarity between the string frame dark matter lagrangian and a Ginzburg-Landau lagrangian with sterile neutrino pairs playing the role of dark matter particles. | result 0.57 | 0.78 | 0.10 | asserted 0.96 |
| s8 | However, more research efforts are necessary to connect the bulk spinor (neutrino) lagrangian with the Ginzburg-Landau lagrangian through direct calculations. | future work 0.75 | 0.15 | 0.05 | asserted 0.49 |
| s9 | A phenomenological test of these ideas is definitely required. | future work 0.99 | 0.05 | 0.04 | asserted 0.87 |
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The paper
Original abstract
In this paper we further elaborate on our recently proposed solution to the cosmological constant problem - Phys. Rev. D82 (2010) 044006. One of the elements of the solution is the chameleonic behaviour of the Einstein frame dilaton: the mass of the dilaton is an increasing function of the matter density. In that model, a proper structure of the string-frame form factors in the strong coupling region of string theory is assumed. In particular, a stabilizing potential of the string frame dilaton is present and it is supposed to be the result of a quantum calculation. Our main purpose in this article is to point out that the lagrangian of the chameleonic model for the dilaton can be embedded, to a large extent, in heterotic-M-theory. We illustrate some theoretical grounds that support the ansatz about the form factors. In this paper, we break bulk supersymmetry with a massive sterile spinor field (i.e. a bulk neutrino field) and, under certain assumptions about the full M-theory action, we point out the Casimir origin of the stabilizing potential for the string frame dilaton (particular attention is dedicated to the role of the conformal transformations involved). Moreover, we point out the similarity between the string frame dark matter lagrangian and a Ginzburg-Landau lagrangian with sterile neutrino pairs playing the role of dark matter particles. However, more research efforts are necessary to connect the bulk spinor (neutrino) lagrangian with the Ginzburg-Landau lagrangian through direct calculations. A phenomenological test of these ideas is definitely required.
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How the literature uses it
5 arXiv papers cite this in 11 sentences
Papers citing it · 8 sentences without a confident label
Builds on it 2 papers
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Following the neutrino case discussed in [ref] , we suggest to exploit these condensates as composite Dark Matter in our model.
The cosmological constant problem in heterotic-M-theory and the orbifold of time · The scale invariant lagrangian from string theory · 0.88
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In this paper we discussed these points: A) We further analyzed the theoretical grounds of the model of reference [ref] and we focused our attention on the chameleonic behaviour of matter fields.
Chameleonic equivalence postulate and wave function collapse · Conclusions and possible lines of development · 0.86
Cites it as background 1 paper
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An ultralight or massless scalar is the dilaton field that breaks the conformal symmetry of strings in superstring theory [ref] .
Finite temperature Casimir effect for charged massless scalars in a magnetic field · Introduction · 0.81
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