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String theoretic QCD axion with stabilized saxion and the pattern of supersymmetry breaking
High Energy Physics - Theory · Submitted 27 Nov 2006
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We note that a simple generalization of KKLT moduli stabilization provides such set-up realizing the axion solution to the strong CP problem.
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The abstract, sentence by sentence
String theoretic axion is a prime candidate for the QCD axion solving the strong CP problem. For a successful realization of the QCD axion in string theory, one needs to stabilize moduli including the scalar partner (saxion) of the QCD axion, while keeping the QCD axion unfixed until the low energy QCD instanton effects are turned on. We note that a simple generalization of KKLT moduli stabilization provides such set-up realizing the axion solution to the strong CP problem. Although some details of moduli stabilization are different from the original KKLT scenario, this set-up leads to the mirage mediation pattern of soft SUSY breaking terms as in the KKLT case, preserving flavor and CP as a consequence of approximate scaling and axionic shift symmetries. The set-up also gives an interesting pattern of moduli masses which might avoid the cosmological moduli, gravitino and axion problems.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | String theoretic axion is a prime candidate for the QCD axion solving the strong CP problem. | background 1.00 | 0.06 | 0.08 | asserted 0.92 |
| s1 | For a successful realization of the QCD axion in string theory, one needs to stabilize moduli including the scalar partner (saxion) of the QCD axion, while keeping the QCD axion unfixed until the low energy QCD instanton effects are turned on. | background 0.97 | 0.07 | 0.08 | asserted 0.99 |
| s2 | We note that a simple generalization of KKLT moduli stabilization provides such set-up realizing the axion solution to the strong CP problem. | contribution 0.86 | 0.75 | 0.37 | asserted 0.91 |
| s3 | Although some details of moduli stabilization are different from the original KKLT scenario, this set-up leads to the mirage mediation pattern of soft SUSY breaking terms as in the KKLT case, preserving flavor and CP as a consequence of approximate scaling and axionic shift symmetries. | result 0.77 | 0.76 | 0.31 | asserted 0.98 |
| s4 | The set-up also gives an interesting pattern of moduli masses which might avoid the cosmological moduli, gravitino and axion problems. | result 0.67 | 0.81 | 0.16 | speculative 0.92 |
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The paper
Original abstract
String theoretic axion is a prime candidate for the QCD axion solving the strong CP problem. For a successful realization of the QCD axion in string theory, one needs to stabilize moduli including the scalar partner (saxion) of the QCD axion, while keeping the QCD axion unfixed until the low energy QCD instanton effects are turned on. We note that a simple generalization of KKLT moduli stabilization provides such set-up realizing the axion solution to the strong CP problem. Although some details of moduli stabilization are different from the original KKLT scenario, this set-up leads to the mirage mediation pattern of soft SUSY breaking terms as in the KKLT case, preserving flavor and CP as a consequence of approximate scaling and axionic shift symmetries. The set-up also gives an interesting pattern of moduli masses which might avoid the cosmological moduli, gravitino and axion problems.
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References
How the literature uses it
17 arXiv papers cite this in 25 sentences
Papers citing it · 20 sentences without a confident label
Builds on it 1 paper
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The purpose of the present paper is to provide a systematic study of the necessary conditions for flavour universal soft terms and it extends arguments made in embryonic form in [ref] (also see [ref] ).
Mirror Mediation · Introduction · 0.92
Cites it as background 4 papers
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This has been the subject of extensive research; recent papers studying this question include [ref] .
Mirror Mediation · Introduction · 0.98
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Axion appearing in String Theory [ref] is a plausible solution to the strong CP problem, which may provide a platform to discuss why there exists an approximate global symmetry with an extreme accuracy in the low-energy theory.
$\mathcal O(10) M_\odot$ primordial black holes and string axion dark matter · Introduction · 0.94
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Therefore the latter pseudo-scalars are often called string-theoretic axions [ref] and can include the QCD axion to solve the strong CP problem [ref] [ If we are to identify one of the axions with the QCD axion, the quality of the PQ symmetry needs to be checked for solving the strong CP problem: $δm_a^2 ≲10^-11(m_a^QCD)^2$.
Note on moduli stabilization, supersymmetry breaking and axiverse · Introduction · 0.81
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