超引力中的迪拉顿-轴模态膨胀

IF 1.8 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS

International Journal of Modern Physics D Pub Date : 2024-03-04 DOI:10.1142/s0218271823400084

Daniel Frolovsky, S. Ketov

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引用次数: 0

摘要

稀拉顿和轴子在扩展超引力和封闭超弦中无处不在。我们提出了在四维 $N=1$ 超引力中与手性稀拉顿-轴子-金斯提诺超重子耦合的模块膨胀新模型，它符合超弦宇宙学的一些必要条件。模型参数是根据宇宙微波背景辐射的精确测量结果调整的。我们采用模态不变超势能和渐近模态不变 K\"ahler 势能，实现了轴子稳定与高尺度超对称破缺。

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Dilaton-axion modular inflation in supergravity

Dilaton and axion are ubiquitous in extended supergravities and closed superstrings. We propose new models of modular inflation in four-dimensional $N=1$ supergravity coupled to the chiral dilaton-axion-goldstino supermultiplet, which fit some necessary conditions of superstring cosmology. The model parameters are tuned to obey precision measurements of the cosmic microwave background radiation. We employ the modular-invariant superpotentials and asymptotically modular-invariant K\"ahler potentials, and achieve axion stabilization with high-scale supersymmetry breaking.

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来源期刊

International Journal of Modern Physics D 地学天文-天文与天体物理

CiteScore

3.80

自引率

9.10%

发文量

181

审稿时长

4-8 weeks

期刊介绍： Gravitation, astrophysics and cosmology are exciting and rapidly advancing fields of research. This journal aims to accommodate and promote this expansion of information and ideas and it features research papers and reviews on theoretical, observational and experimental findings in these fields. Among the topics covered are general relativity, quantum gravity, gravitational experiments, quantum cosmology, observational cosmology, particle cosmology, large scale structure, high energy astrophysics, compact objects, cosmic particles and radiation.