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In a previous paper [hep-th/0012251] we proposed a simple class of actions for string field theory around the tachyon vacuum. In this paper we search for classical solutions describing D-branes ofâ€¦ (More)

Assuming that around the tachyon vacuum the kinetic term of cubic open string field theory is made purely of ghost operators we are led to gauge invariant actions which manifestly implement theâ€¦ (More)

- Davide Gaiotto, Leonardo Rastelli, Ashoke Sen, Barton Zwiebach
- 2001

We complete the construction of vacuum string field theory by proposing a canonical choice of ghost kinetic term â€“ a local insertion of the ghost field at the string midpoint with an infiniteâ€¦ (More)

The spectrum of the infinite dimensional Neumann matrices M, M and M in the oscillator construction of the three-string vertex determines key properties of the star product and of wedge and sliverâ€¦ (More)

We develop an efficient recursive method to evaluate the tachyon potential using the relevant universal subalgebra of the open string star algebra. This method, using off-shell versions of Virasoroâ€¦ (More)

In previous papers we built (multiple) D-branes in flat space-time as classical solutions of the string field theory based on the tachyon vacuum. In this paper we construct classical solutionsâ€¦ (More)

This is a brief review of vacuum string field theory, a new approach to open string field theory based on the stable vacuum of the tachyon. We discuss the sliver state explaining its role as aâ€¦ (More)

- Daniel Z. Freedman, Samir D. Mathur, Alec Matusis, Leonardo Rastelli
- 1998

Conformal techniques are applied to the calculation of integrals on AdSd+1 space which define correlators of composite operators in the superconformal field theory on the dâ€“dimensional boundary. Theâ€¦ (More)

- Davide Gaiotto, Leonardo Rastelli
- 2003

We argue that topological matrix models (matrix models of the Kontsevich type) are examples of exact open/closed duality. The duality works at finite N and for generic 't Hooft couplings. We considerâ€¦ (More)

- Daniel Z. Freedman, Samir D. Mathur, Alec Matusis, Leonardo Rastelli
- 1998

Conformal techniques are applied to the calculation of integrals on AdSd+1 space which define correlators of composite operators in the superconformal field theory on the dâ€“dimensional boundary. Theâ€¦ (More)