Nonlinearly realized supergravity and its applications

Yusuke Yamada*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We discuss applications of nonlinearly realized supersymmetry to string theoretical and cosmological model buildings. One is the effective description of an D3¯ brane in superstring theory. An D3¯ brane plays an important role in realizing de Sitter vacuum within superstring models, such as KKLT model. We will show that its effective action including world volume excitations and their couplings to bulk moduli fields is described by nonlinear supergravity. Another application of nonlinear supergravity is Horndeski model in supergravity. Horndeski model, which does not have ghost instability, can describe a broad class of single-field inflation models.

Original languageEnglish
Title of host publicationProceedings of the 14th Asia Pacific Physics Conference
EditorsTeck-Yong Tou, Jun'ichi Yokoyama, Roslan Abdul Shukor, Kazuhiro Tanaka, Hyoung Joon Choi, Ryoji Matsumoto, Oi-Hoong Chin, Jia Hou Chin, Kuru Ratnavelu
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735440630
Publication statusPublished - 2021 Feb 5
Externally publishedYes
Event14th Asia Pacific Physics Conference, APPC 2019 - Kuching, Sarawak, Malaysia
Duration: 2019 Nov 172019 Nov 22

Publication series

NameAIP Conference Proceedings
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616


Conference14th Asia Pacific Physics Conference, APPC 2019
CityKuching, Sarawak

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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