Abstract:Just as non-commutative gauge theories arise from quantising open strings in a large magnetic field, non-Abelian two-form gauge theories may conceivably be constructed by quantising open membranes in a large three-form magnetic background. We make some observations that arise in following this strategy, with an emphasis on the relation to the quantisation of volume-preserving diffeomorphisms (vpd). In particular, we construct consistent non-Abelian interactions of a two-form in 3+1 dimensions, based on gauge i… Show more
“…It has a long history of the struggle to achieve this goal, for example, see [10,11,14,[17][18][19]21,28,29]. One of the difficulty of the problem is that there seems to be no natural principle and therefore we have a variety of proposals with both merits and demerits.…”
Based on an explicit computation of the scattering amplitude of four open
membranes in a constant 3-form background, we construct a toy model of the
field theory for open membranes in the large C field limit. It is a
generalization of the noncommutative field theories which describe open strings
in a constant 2-form flux. The noncommutativity due to the B-field background
is now replaced by a nonassociative triplet product. The triplet product
satisfies the consistency conditions of lattice 3d gravity, which is inherent
in the world-volume theory of open membranes. We show the UV/IR mixing of the
toy model by computing some Feynman diagrams. Inclusion of the internal degree
of freedom is also possible through the idea of the cubic matrix.Comment: 31 pages, latex, 2 eps figure
“…It has a long history of the struggle to achieve this goal, for example, see [10,11,14,[17][18][19]21,28,29]. One of the difficulty of the problem is that there seems to be no natural principle and therefore we have a variety of proposals with both merits and demerits.…”
Based on an explicit computation of the scattering amplitude of four open
membranes in a constant 3-form background, we construct a toy model of the
field theory for open membranes in the large C field limit. It is a
generalization of the noncommutative field theories which describe open strings
in a constant 2-form flux. The noncommutativity due to the B-field background
is now replaced by a nonassociative triplet product. The triplet product
satisfies the consistency conditions of lattice 3d gravity, which is inherent
in the world-volume theory of open membranes. We show the UV/IR mixing of the
toy model by computing some Feynman diagrams. Inclusion of the internal degree
of freedom is also possible through the idea of the cubic matrix.Comment: 31 pages, latex, 2 eps figure
“…There are in the literature several persuasive but inconclusive arguments that Nambu brackets are a natural language for describing extended objects, for example: [2,6,7,14,18,27,31,34,36,40,46].…”
The classical and quantum features of Nambu mechanics are analyzed and fundamental issues are resolved. The classical theory is reviewed and developed utilizing varied examples. The quantum theory is discussed in a parallel presentation, and illustrated with detailed specific cases. Quantization is carried out with standard Hilbert space methods. With the proper physical interpretation, obtained by allowing for different time scales on different invariant sectors of a theory, the resulting non-Abelian approach to quantum Nambu mechanics is shown to be fully consistent.
“…This model is a toy model for string theory in a background 3-form field, and was studied in [3,4,5,6], but rather from the point of view of the somewhat ill-defined boundary string theory. In [3] it was shown that in a particular decoupling limit a stack of M5-branes in a 3-form field the open membrane action of the M2-brane reduces to this particularly simple topological membrane model.…”
We study bulk-boundary correlators in topological open membranes. The basic example is the open membrane with a WZ coupling to a 3-form. We view the bulk interaction as a deformation of the boundary string theory. This boundary string has the structure of a homotopy Lie algebra, which can be viewed as a closed string field theory. We calculate the leading order perturbative expansion of this structure. For the 3-form field we find that the C-field induces a trilinear bracket, deforming the Lie algebra structure. This paper is the first step towards a formal universal quantization of general quasi-Lie bialgebroids.
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