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10 papers · 2 filters
Dielectric branes and spontaneous symmetry breaking
Cesar Gomez, Bert Janssen, Pedro J. Silva
A stable non-commutative solution with symmetry breaking is presented for a system of Dp-branes in the presence of a RR (p+5)-form.
Generalized Coherent State Approach to Star Products and Applications to the Fuzzy Sphere
G. Alexanian, A. Pinzul, A. Stern
We construct a star product associated with an arbitrary two dimensional Poisson structure using generalized coherent states on the complex plane. From our approach one easily reco…
Matter Fields in Curved Space-Time
Nguyen Ai Viet, Kameshwar C. Wali
We study the geometry of a two-sheeted space-time within the framework of non-commutative geometry. As a prelude to the Standard Model in curved space-time, we present a model of a…
Half-Branes, Singular Brane Intersections, and Kaluza-Klein reduction
Donald Marolf
Two subtle aspects of brane intersections are investigated. The first concerns the `half-branes' that arise in discussions of the Hanany-Witten effect, often in the D0/D8 setting.…
Fuzzy Actions and their Continuum Limits
A. P. Balachandran, X. Martin, Denjoe O'Connor
Previously matrix model actions for ``fuzzy'' fields have been proposed using non-commutative geometry. They retained ``topological'' properties extremely well, being capable of de…
A Novel Spin-Statistics Theorem in (2 + 1)d Chern-Simons Gravity
A. P. Balachandran, E. Batista, I. P. Costa e Silva +1
It has been known for some time that topological geons in quantum gravity may lead to a complete violation of the canonical spin-statistics relation : there may exist no connection…