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Unconventional SUSY and Conventional Physics: A Pedagogical Review
Indexado
WoS WOS:000643607000001
Scopus SCOPUS_ID:85104150460
DOI 10.3390/SYM13040628
Año 2021
Tipo revisión

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



In supersymmetric extensions of the Standard Model, the observed particles come in fermion-boson pairs necessary for the realization of supersymmetry (SUSY). In spite of the expected abundance of super-partners for all the known particles, not a single supersymmetric pair has been reported to date. Although a hypothetical SUSY breaking mechanism, operating at high energy inaccessible to current experiments cannot be ruled out, this reduces SUSY's predictive power and it is unclear whether SUSY, in its standard form, can help reducing the remaining puzzles of the standard model (SM). Here we argue that SUSY can be realized in a different way, connecting spacetime and internal bosonic symmetries, combining bosonic gauge fields and fermionic matter particles in a single gauge field, a Lie superalgebra-valued connection. In this unconventional representation, states do not come in SUSY pairs, avoiding the doubling of particles and fields and SUSY is not a fully off-shell invariance of the action. The resulting systems are remarkably simple, closely resembling a standard quantum field theory and SUSY still emerges as a contingent symmetry that depends on the features of the vacuum/ground state. We illustrate the general construction with two examples: (i) A 2 + 1 dimensional system based on the osp(2,2 vertical bar 2) superalgebra, including Lorentz and u(1) generators that describe graphene; (ii) a supersymmetric extension of 3 + 1 conformal gravity with an SU(2,2 vertical bar 2) connection that describes a gauge theory with an emergent chiral symmetry breaking, coupled to gravity. The extensions to higher odd and even dimensions, as well as the extensions to accommodate more general internal symmetries are also outlined.

Revista



Revista ISSN
Symmetry Basel 2073-8994

Métricas Externas



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Disciplinas de Investigación



WOS
Multidisciplinary Sciences
Scopus
Mathematics (All)
Chemistry (Miscellaneous)
Computer Science (Miscellaneous)
Physics And Astronomy (Miscellaneous)
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 ALVAREZ-NUNEZ, PEDRO DIEGO Hombre Universidad de Antofagasta - Chile
2 Delage, Lucas Hombre Centro de Estudios Científicos - Chile
Universidad de Talca - Chile
3 VALENZUELA-URIBE, MAURICIO ALEJANDRO Hombre Centro de Estudios Científicos - Chile
4 ZANELLI-IGLESIAS, JORGE Hombre Centro de Estudios Científicos - Chile

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Financiamiento



Fuente
MINEDUC-UA
Fondo Nacional de Desarrollo Científico y Tecnológico
Comisión Nacional de Investigación Científica y Tecnológica
Universidad de Antofagasta
FONDECYT grant
MINEDUC-UA project
Chilean Government through the Centers of Excellence Base Financing Program of CONICYT
CECs
Semillero de investigacion project from Universidad de Antofagasta, Chile

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
This work has been partially funded by Fondecyt grant 1180368, by MINEDUC-UA project ANT1755, and by Semillero de investigacion project SEM18-02 from Universidad de Antofagasta, Chile. The Centro de Estudios Cientificos (CECs) is funded by the Chilean Government through the Centers of Excellence Base Financing Program of Conicyt.
Acknowledgments: This work has been partially funded by Fondecyt grant 1180368, by MINEDUC-UA project ANT1755, and by Semillero de investigación project SEM18-02 from Universidad de Antofagasta, Chile. The Centro de Estudios Científicos (CECs) is funded by the Chilean Government through the Centers of Excellence Base Financing Program of Conicyt.

Muestra la fuente de financiamiento declarada en la publicación.