The Volkov-Akulov-Starobinsky supergravity

被引：181

作者：

Antoniadis, I. ^{[1
]}

Dudas, E. ^{[2
]}

Ferrara, S. ^{[1
,3
,4
]}

Sagnotti, A. ^{[5
,6
]}

机构：

[1] CERN, Div Theory, Dept Phys, CH-1211 Geneva 23, Switzerland

[2] Ecole Polytech, Ctr Phys Theor, F-91128 Palaiseau, France

[3] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[4] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[5] Scuola Normale Super Pisa, Piazza Cavalieri 7, I-56126 Pisa, Italy

[6] Ist Nazl Fis Nucl, I-56126 Pisa, Italy

来源：

PHYSICS LETTERS B | 2014年 / 733卷

基金：

欧洲研究理事会;

关键词：

SUPERSYMMETRY; MODELS;

D O I：

10.1016/j.physletb.2014.04.015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We construct a supergravity model whose scalar degrees of freedom arise from a chiral superfield and are solely a scalaron and an axion that is very heavy during the inflationary phase. The model includes a second chiral superfield X, which is subject however to the constraint X-2 = 0 so that it describes only a Volkov-Akulov goldstino and an auxiliary field. We also construct the dual higher-derivative model, which rests on a chiral scalar curvature superfield R. subject to the constraint R-2 = 0, where the goldstino dual arises from the gauge-invariant gravitino field strength as gamma D-mn(m)psi(n). The final bosonic action is an R + R-2 theory involving an axial vector Am that only propagates a physical pseudoscalar mode. (C) 2014 The Authors. Published by Elsevier B.V.

引用

页码：32 / 35

页数：4

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