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Type IIB supergravity can be consistently truncated to the metric and the self-dual 5-form. We obtain the complete non-linear Kaluza-Klein S 5 reduction Ansatz for this theory, giving rise to gravityâ€¦ (More)

- Nevill Gonzalez Szwacki, Arta Sadrzadeh, Boris I. Yakobson
- Physical review letters
- 2007

The geometry, electronic, and structural properties of an unusually stable boron cage made of 80 boron atoms are studied, using ab initio calculations. The shape of this cluster is very similar toâ€¦ (More)

We construct a consistent reduction of type IIA supergravity on S 3 , leading to a maximal gauged supergravity in seven dimensions with the full set of massless SO(4) Yang-Mills fields. We do this byâ€¦ (More)

We obtain new results for consistent braneworld Kaluza-Klein reductions, showing how we can derive four-dimensional N = 2 gauged supergravity " localised on the AdS 4 brane " as an exact embedding inâ€¦ (More)

- Evgeni S. Penev, Somnath Bhowmick, Arta Sadrzadeh, Boris I. Yakobson
- Nano letters
- 2012

The structural stability and diversity of elemental boron layers are evaluated by treating them as pseudoalloy B(1-x)[hexagon](x), where [hexagon] is a vacancy in the close-packed triangular Bâ€¦ (More)

We obtain new results for consistent braneworld Kaluza-Klein reductions, showing how we can derive four-dimensional N = 2 gauged supergravity " localised on the AdS 4 brane " as an exact embedding inâ€¦ (More)

- Abhishek K. Singh, Arta Sadrzadeh, Boris I. Yakobson
- Nano letters
- 2008

We investigate the properties of nanotubes obtained from recently described boron alpha-sheet, using density functional theory. Computations confirm their high stability and identify mechanicalâ€¦ (More)

The usual T-duality that relates the type IIA and IIB theories compactified on circles of inversely-related radii does not operate if the dimensional reduction is performed on the time directionâ€¦ (More)

A consistent truncation of IIB on S 5 has been obtained in the sector of the metric and the 4-form potential. The ansatz contains 20 scalars and all 15 gauge fields of N = 8 gauged supergravity inâ€¦ (More)

We investigate the properties of nanotubes obtained from recently described boron r-sheet, using density functional theory. Computations confirm their high stability and identify mechanical stiffnessâ€¦ (More)