Affleck-Dine baryogenesis via mass splitting
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F19%3A00519748" target="_blank" >RIV/68378271:_____/19:00519748 - isvavai.cz</a>
Result on the web
<a href="http://hdl.handle.net/11104/0304740" target="_blank" >http://hdl.handle.net/11104/0304740</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.physletb.2019.03.046" target="_blank" >10.1016/j.physletb.2019.03.046</a>
Alternative languages
Result language
angličtina
Original language name
Affleck-Dine baryogenesis via mass splitting
Original language description
We introduce a class of non-supersymmetric models explaining baryogenesis a la Affleck–Dine, which use a decay of two superheavy scalar fields with close masses. These scalars acquire non-zero expectation values during inflation through linear couplings to a function of an inflaton. After the inflaton decay, the model possesses approximate U(1)-invariance, explicitly broken by a small mass splitting. This splitting leads to the baryogenesis in the early Universe. Resulting baryon asymmetry is automatically small for the scalars with the masses about the Grand Unification scale and larger. It is fully determined by the inflaton dynamics and the Lagrangian parameters, i.e., is independent of initial pre-inflationary conditions for the scalars. As a consequence, baryon perturbations are purely adiabatic.n
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Result continuities
Project
<a href="/en/project/EF15_003%2F0000437" target="_blank" >EF15_003/0000437: Cosmology, Gravity and the Dark Sector of the Universe</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Physics Letters. B
ISSN
0370-2693
e-ISSN
—
Volume of the periodical
792
Issue of the periodical within the volume
May
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
5
Pages from-to
228-232
UT code for WoS article
000466802100035
EID of the result in the Scopus database
2-s2.0-85063751522