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- Igor A. Bandos, Kurt Lechner, Aleksei Nurmagambetov, Paolo Pasti, Dmitri Sorokin, Mario Tonin
- 1997

We propose a complete, covariant and kappa–symmetric, action for an M–theory five– brane propagating in D = 11 supergravity background. PACS numbers: 11.15-q, 11.17+y

- Dmitri Sorokin
- 1999

We review the geometrical approach to the description of the dynamics of superparticles, superstrings and, in general, of super–p–branes, Dirichlet branes and the M5-brane, which is based on a generalization of the elements of surface theory to the description of the embedding of supersurfaces into target superspaces. Being manifestly supersymmetric in… (More)

We propose a complete Born–Infeld–like action for a bosonic 5–brane with a worldvolume chiral field in a background of gravitational and antisymmetric gauge fields ofD = 11 supergravity. When the five–brane couples to a three–rank antisymmetric gauge field, local symmetries of the five–brane require the addition to the action of an appropriate Wess–Zumino… (More)

- Eric A. Bergshoeff, Renata Kallosh, Amir-Kian Kashani-Poor, Dmitri Sorokin, Alessandro Tomasiello
- 2005

We study the problem of instanton generated superpotentials in Calabi–Yau orientifold compactifications directly in type IIB string theory. To this end, we derive the Dirac equation on a Euclidean D3 brane in the presence of background fluxes. We propose an index which governs whether the generation of a superpotential in the effective 4d theory by D3 brane… (More)

The standard eleven-dimensional supergravity action depends on a three-form gauge field and does not allow direct coupling to five-branes. Using previously developed methods, we construct a covariant eleven-dimensional supergravity action depending on a three-form and six-form gauge field in a duality-symmetric manner. This action is coupled to both the… (More)

The action for the D = 10 type II Dirichlet super–p–branes, which has been obtained recently, is reconstructed in a more geometrical form involving Lorentz harmonic variables. This new (Lorentz harmonic) formulation possesses κ–symmetry in an irreducible form and is used as a basis for applying a generalized action principle that provides the superfield… (More)

A generalization of the Ferber–Shirafuji formulation of superparticle mechanics is considered. The generalized model describes the dynamics of a superparticle in a superspace extended by tensorial central charge coordinates and commuting twistor–like spinor variables. The D = 4 model contains a continuous real parameter a ≥ 0 and at a = 0 reduces to the… (More)

We lift the bosonic AdS4 × CP 3 solution of type IIA supergravity preserving 24 supersymmetries to a D = 10 superspace which has 32 Grassmann–odd directions. The type IIA superspace is obtained from D = 11 via dimensional reduction of the coset superspace OSp(8|4)/SO(7) × SO(1, 3) by realizing the latter as a Hopf fibration over the former. This… (More)

- Gianguido Dall’Agata, Kurt Lechner, Dmitri Sorokin
- 1997

Covariant actions for the bosonic fields of D=10 IIB supergravity are constructed with the help of a single auxiliary scalar field and in a formulation with an infinite series of auxiliary (anti)–self–dual 5-form fields. The construction of a complete action for chiral N = 2 (or IIB) supergravity in ten– dimensional space–time [1] is a long standing… (More)

- Dmitri Sorokin
- 2006

We derive and carry out a detailed analysis of the equations of motion of the type IIB D branes in generic supergravity backgrounds with fluxes making account of the worldvolume Born–Infeld gauge field and putting a special emphasis on the structure of the Dirac equation for Dp brane fermionic modes. We present an explicit form of the worldvolume field… (More)