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CERN Document Server 416 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.80 секунд. 
1.
Aspects of Conformal Supergravity / Ferrara, Sergio (CERN ; Frascati) ; Kehagias, Alex (Munich U.) ; Lüst, Dieter (Munich, Max Planck Inst.)
In these lectures we discuss $N$-extended conformal supergravity and its spectrum in four dimensions. [...]
arXiv:2001.04998 ; CERN-TH-2020-005 ; MPP-2020-1 ; LMU-ASC 01/20. - 15 p.
Fulltext
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2.
Supercurrents in N=1 Minimal Supergravity in the Superconformal Formalism / Ferrara, Sergio (CERN ; Frascati) ; Samsonyan, Marine (Yerevan Phys. Inst.) ; Tournoy, Magnus (Leuven U.) ; Van Proeyen, Antoine (Leuven U.)
We discuss the Einstein tensor, the supercurrent and their conservation laws of old and new minimal formulations of supergravity in the superconformal approach. The variation of the action with respect to the gauge field of the $R$-symmetry in the conformal approach (the auxiliary field in the super-Poincar\'{e} action) allows to find the Einstein tensor and supercurrent in any curved background. [...]
CERN-TH-2019-225; arXiv:1912.10673.- 2020-10-07 - 5 p. - Published in : Phys. Part. Nucl. Lett. 17 (2020) 645-649 Fulltext: PDF;
In : 13th International Workshop on Supersymmetries and Quantum Symmetries (SQS'19), Yerevan, Armenia, 26 - 31 Aug 2019, pp.645-649
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3.
de Sitter Conjectures in N=1 Supergravity / Ferrara, Sergio (CERN ; INFN, Milan Bicocca) ; Tournoy, Magnus (Leuven U.) ; Van Proeyen, Antoine (Leuven U.)
Supergravity theories at D=4 allow to formulate the Swampland de Sitter conjectures in the complex field space of scalar components of chiral multiplets. We formulate the de Sitter and refined de Sitter conjecture by using the K\"ahler invariant ${\cal G}$-function and explore a class of models in the Landscape/Swampland scenario which obey and/or violate such conjectures. [...]
arXiv:1912.06626; CERN-TH-2019-220.- 2020-02-01 - 18 p. - Published in : Fortschr. Phys. 68 (2020) 1900107 Fulltext: PDF;
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4.
Noether Supercurrents, Supergravity and Broken Supersymmetry / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Tournoy, Magnus (Leuven U.)
Some general aspects of supersymmetry and supergravity are briefly reviewed with emphasis on Noether supercurrents and their role in the discussion of supersymmetry breaking..
arXiv:1811.09450. - 2018. - 12 p.
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5.
Bimetric, Conformal Supergravity and its Superstring Embedding / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Kehagias, Alex (Natl. Tech. U., Athens) ; Lüst, Dieter (CERN ; Munich U., ASC ; Munich, Max Planck Inst.)
We discuss the connection between Weyl$^2$ supergravity and superstrings and further discuss holography between 4-dimensional, ${\cal N}=4$ superconformal Weyl$^2$ supergravity and ${\cal N}=8$, higher spin-four theory on $AdS_5$. The Weyl$^2$ plus Einstein supergravity theory is a special kind of a bimetric gravity theory and consists of a massless graviton multiplet plus an additional massive spin-two supermultiplet. [...]
arXiv:1810.08147; CERN-TH-2018-222; MPP-2018-249; LMU-ASC 64/18; LMU-ASC-64-18.- 2019-05-20 - 33 p. - Published in : JHEP 05 (2019) 100 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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6.
Aspects of Weyl Supergravity / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Kehagias, Alex (Natl. Tech. U., Athens) ; Lüst, Dieter (CERN ; Munich U., ASC ; Munich, Max Planck Inst.)
In this paper we study the spectrum of all conformal, ${\cal N}$-extended supergravities (${\cal N}=1,2,3,4$) in four space-time dimensions. When these theories are obtained as massless limit of Einstein plus Weyl$^2$supergravity, the appropriate counting of the enhanced gauge symmetries allow us to derive the massless spectrum which consist of a dipole ghost graviton multiplet, a ${\cal N}$-fold tripole ghost gravitino, the third state belonging to a spin 3/2 multiplet and a residual vector multiplet present for non-maximal ${\cal N}<4$ theories. [...]
arXiv:1806.10016; CERN-TH-2018-144; MPP-2018-142; LMU-ASC 39/18; LMU-ASC-39-18.- 2018-08-31 - 22 p. - Published in : JHEP 08 (2018) 197 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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7.
Spin-four N=7 W-Supergravity: S-fold and Double Copy Construction / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Lüst, Dieter (CERN ; Munich U., ASC ; Munich, Max Planck Inst.)
In the present investigation we consider the possibility of having new massive, higher spin W-supergravity theories, which do not exist as four-dimensional perturbative models. These theories are based on a double copy construction of two supersymmetric field theories, where at least one factor is given by a N=3 field theory, which is a non-perturbative S-fold of N=4 super Yang-Mills theory. [...]
arXiv:1805.10022; LMU-ASC-29-18; CERN-TH-2018-112; MPP-2018-87; LMU-ASC 29/18.- 2018-07-18 - 33 p. - Published in : JHEP 07 (2018) 114 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: arXiv:1805.10022 - PDF; 1805.10022 - PDF;
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8.
Comments on rigid and local supercurrents in ${\cal N}=1$ minimal Supergravity / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Samsonyan, Marine (CANDLE, Yerevan) ; Tournoy, Magnus (Leuven U.) ; Van Proeyen, Antoine (Leuven U.)
We discuss local supercurrents as sources of the super-Einstein equations in the superconformal approach in the old and new minimal (auxiliary fields) formulation. Modifications of the Ward identity giving the covariant divergence of the Einstein multiplet are considered in presence of a Fayet-Iliopoulos term. [...]
arXiv:1805.09228; CERN-TH-2018-071.- 2018-08-01 - 29 p. - Published in : Fortschr. Phys. 66 (2018) 8 Fulltext: PDF;
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9.
Highlights in Supergravity: CCJ 47 Years Later / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Samsonyan, Marine (CERN)
We consider an expression for the supercurrent in the superconformal formulation of N=1 supergravity. [...]
arXiv:1709.02936 ; CERN-TH-2017-189. - 2017. - 18 p.
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10.
Comments on Nonlinear Sigma Models Coupled to Supergravity / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Porrati, Massimo (New York U. ; New York U., CCPP)
N=1, D=4 non linear sigma models, parametrized by chiral superfields, usually describe Kaehlerian geometries, provided that Einstein frame supergravity is used. The sigma model metric is no longer Kaehler when local supersymmetry becomes nonlinearly realized through the nilpotency of the supergravity auxiliary fields. [...]
arXiv:1707.09273; CERN-TH-2017-164.- 2017-12-10 - 3 p. - Published in : Phys. Lett. B 775 (2017) 361-363 Article from SCOAP3: PDF; Fulltext: PDF;
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CERN Document Server : 416 записей найдено   1 - 10следующийконец  перейти к записи:
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460 FERRARA, Sergio
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