Results 31 to 40 of about 946,279 (310)

Existence of a supersymmetric massless ground state of the SU(N) matrix model globally on its valleys

open access: yesJournal of High Energy Physics, 2021
In this work we consider the existence and uniqueness of the ground state of the regularized Hamiltonian of the Supermembrane in dimensions D = 4, 5, 7 and 11, or equivalently the SU(N) Matrix Model. That is, the 0+1 reduction of the 10-dimensional SU(N)
Lyonell Boulton   +2 more
doaj   +1 more source

On M-Theory [PDF]

open access: yesJournal of Astrophysics and Astronomy, 1999
This contribution gives a personal view on recent attempts to find a unified framework for non-perturbative string theories, with special emphasis on the hidden symmetries of supergravity and their possible role in this endeavor. A reformulation of $d=11$ supergravity with enlarged tangent space symmetry SO(1,2) $\times$ SO(16) is discussed from this ...
openaire   +3 more sources

M-theory dark matter [PDF]

open access: yes, 1998
The phenomenological implications of the eleven dimensional limit of $M$-theory (strongly coupled $E_8\times E_8$) are investigated. In particular we calculate the supersymmetric particle spectrum subject to constraints of correct electroweak symmetry ...
A. Love   +67 more
core   +4 more sources

M-theory brane deformations [PDF]

open access: yesNuclear Physics B, 2008
Using the techniques developed by Lunin and Maldacena we calaculate the supergravity solutions of membranes and fivebranes in the presence of a background C field. All the distinct possible C-field configurations are explored. Decoupling limits for these branes are then described that preserve the deformation leading to families of M-theory brane ...
Berman, David S., Tadrowski, Laura C.
openaire   +3 more sources

F-theory vacua and α′-corrections

open access: yesJournal of High Energy Physics, 2020
In this work we analyze F-theory and Type IIB orientifold compactifications to study α′-corrections to the four-dimensional, N $$ \mathcal{N} $$ = 1 effective actions.
Matthias Weissenbacher
doaj   +1 more source

Orbifolds of M-theory [PDF]

open access: yes, 1995
We study Z2-orbifolds of 11-dimensional M-theory on tori of various dimensions. The most interesting model (besides the known S1/Z2 case) corresponds to T5/Z2, for which we argue that the resulting six-dimensional theory is equivalent to the type IIB ...
Alvarez-Gaumé   +27 more
core   +2 more sources

Generalized Geometry and M theory [PDF]

open access: yes, 2011
We reformulate the Hamiltonian form of bosonic eleven dimensional supergravity in terms of an object that unifies the three-form and the metric. For the case of four spatial dimensions, the duality group is manifest and the metric and C-field are on an ...
A Kleinschmidt   +66 more
core   +1 more source

Hidden Symmetries of M Theory [PDF]

open access: yes, 1998
A worldvolume action for membrane is considered to study the target space local symmetries. We introduce a set of generators of canonical transformations to exhibit the target space symmetries such as the general coordinate transformation and the gauge ...
Maharana, Jnanadeva
core   +2 more sources

Basics of M‐theory

open access: yesFortschritte der Physik, 2005
AbstractThis is a review article of eleven dimensional supergravity in which we present all necessary calculations, namely the Noether procedure, the equations of motion (without neglecting the fermions), the Killing spinor equation, as well as some simple and less simple supersymmetric solutions to this theory.
Miemiec, André, Schnakenburg, Igor
openaire   +3 more sources

Generalised Geometry for M-Theory [PDF]

open access: yes, 2007
Generalised geometry studies structures on a d-dimensional manifold with a metric and 2-form gauge field on which there is a natural action of the group SO(d,d). This is generalised to d-dimensional manifolds with a metric and 3-form gauge field on which
A. Dabholkar   +37 more
core   +2 more sources

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