CP Conservation in the Presence of Pseudoparticles

Peccei, R.D.; Quinn, Helen R.

doi:10.1016/b978-0-444-88081-9.50043-6

Cited by 829 publications

(1,402 citation statements)

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“…On the particle physics side, axions were introduced to solve the strong CP problem of QCD [34][35][36][37][38][39]. However, due to the shift symmetry of the axions, a non-trivial subleading potential is generated at the nonperturbative level, making them ideal inflaton candidates as well [37,38,[40][41][42][43].…”

Section: Introductionmentioning

confidence: 99%

F-term stabilization of odd axions in LARGE volume scenario

Gao

Shukla

2014

Nuclear Physics B

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Section: Introductionmentioning

confidence: 99%

F-term stabilization of odd axions in LARGE volume scenario

Gao

Shukla

2014

Nuclear Physics B

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“…The flatness of the potential is protected by a (shift) symmetry modelled after the QCD axion [5], although at different mass scales. The axion exhibits a shift symmetry that is perturbatively exact, but potentially broken by non-perturbative (instantonic) effects.…”

Section: Introductionmentioning

confidence: 99%

Aligned natural inflation: Monodromies of two axions

Kappl¹,

Krippendorf²,

Nilles³

2014

Physics Letters B

119

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Natural (axionic) inflation [1] can accommodate sizeable primordial tensor modes but suffers from the necessity of trans-Planckian variations of the inflaton field. This problem can be solved via the mechanism of aligned axions [2], where the aligned axion spirals down in the potential of other axions. We elaborate on the mechanism in view of the recently reported observations of the BICEP2 collaboration [3].

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“…a f a [24,25]. This axion field can be thought as the goldstone boson of a global PQ symmetry, where f a is the spontaneous PQ symmetry breaking scale.…”

Section: Axionmentioning

confidence: 99%