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Title: N =1 supergravitational heterotic galileons

Abstract

Heterotic M -theory consists of a five-dimensional manifold of the form S 1/Z 2 × M 4. It has been shown that one of the two orbifold planes, the “observable” sector, can have a low energy particle spectrum which is precisely the N = 1 super-symmetric standard model with three right-handed neutrino chiral supermultiplets. The other orbifold plane constitutes a “hidden” sector which, since its communication with the observable sector is suppressed, will be ignored in this paper. However, the finite fifth-dimension allows for the existence of three-brane solitons which, in order to render the vacuum anomaly free, must appear. That is, heterotic M -theory provides a natural framework for brane-world cosmological scenarios coupled to realistic particle physics. The complete worldvolume action of such three-branes is unknown. Here, treating these solitons as probe branes, we construct their scalar worldvolume Lagrangian as a derivative expansion of the heterotic DBI action. In analogy with similar calculations in the M 5 and AdS 5 context, this leads to the construction of “heterotic Galileons”. However, realistic vacua of heterotic M -theory are necessarily N = 1 supersymmetric in four dimensions. Hence, we proceed to supersymmetrize the three-brane worldvolume action, first in flat superspace andmore » then extend the results to N = 1 supergravity. Such a worldvolume action may lead to interesting cosmology, such as “bouncing” universe models, by allowing for the violation of the Null Energy Condition (NEC).« less

Authors:
 [1];  [1]
  1. Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1505217
Grant/Contract Number:  
[SC0007901]
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
[Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2017; Journal Issue: 11]; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; p-branes; Supergravity Models; Superstrings and Heterotic Strings; Supersymmetric Effective Theories

Citation Formats

Deen, Rehan, and Ovrut, Burt. N =1 supergravitational heterotic galileons. United States: N. p., 2017. Web. doi:10.1007/jhep11(2017)026.
Deen, Rehan, & Ovrut, Burt. N =1 supergravitational heterotic galileons. United States. doi:10.1007/jhep11(2017)026.
Deen, Rehan, and Ovrut, Burt. Wed . "N =1 supergravitational heterotic galileons". United States. doi:10.1007/jhep11(2017)026. https://www.osti.gov/servlets/purl/1505217.
@article{osti_1505217,
title = {N =1 supergravitational heterotic galileons},
author = {Deen, Rehan and Ovrut, Burt},
abstractNote = {Heterotic M -theory consists of a five-dimensional manifold of the form S1/Z2 × M4. It has been shown that one of the two orbifold planes, the “observable” sector, can have a low energy particle spectrum which is precisely the N = 1 super-symmetric standard model with three right-handed neutrino chiral supermultiplets. The other orbifold plane constitutes a “hidden” sector which, since its communication with the observable sector is suppressed, will be ignored in this paper. However, the finite fifth-dimension allows for the existence of three-brane solitons which, in order to render the vacuum anomaly free, must appear. That is, heterotic M -theory provides a natural framework for brane-world cosmological scenarios coupled to realistic particle physics. The complete worldvolume action of such three-branes is unknown. Here, treating these solitons as probe branes, we construct their scalar worldvolume Lagrangian as a derivative expansion of the heterotic DBI action. In analogy with similar calculations in the M5 and AdS5 context, this leads to the construction of “heterotic Galileons”. However, realistic vacua of heterotic M -theory are necessarily N = 1 supersymmetric in four dimensions. Hence, we proceed to supersymmetrize the three-brane worldvolume action, first in flat superspace and then extend the results to N = 1 supergravity. Such a worldvolume action may lead to interesting cosmology, such as “bouncing” universe models, by allowing for the violation of the Null Energy Condition (NEC).},
doi = {10.1007/jhep11(2017)026},
journal = {Journal of High Energy Physics (Online)},
number = [11],
volume = [2017],
place = {United States},
year = {2017},
month = {11}
}

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Figures / Tables:

Figure 1 Figure 1: Numerical scan over −10 ≤ $c_\imath$ ≤ 10 for $\imath$ = 2, 3, 4, taking $c_1$ = −1.0 and with step size ∆$c$ = 0.01. Points which satisfy all inequalities in the “summary of constraints” are labelled by an orange ×.

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.