50 citations · 59 across the 3 of their papers we have counts for
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A Note on Tachyon Moduli and Closed Strings
Bruno Carneiro da Cunha
The collective behavior of the SL(2,R) covariant brane states of non-critical c=1 string theory found in a previous work, is studied in the Fermi liquid approximation. It is found…
Perturbative aspects and conformal solutions of F(R) gravity
D. Bazeia, B. Carneiro da Cunha, R. Menezes +1
We investigate perturbative aspects of gravity with a general F(R) Lagrangian, as well as nonperturbative dilatonic solutions. For the first part, we are interested in stability an…
Tachyon Effective Dynamics and de Sitter Vacua
Bruno Carneiro da Cunha
We show that the DBI action for the singlet sector of the tachyon in two-dimensional string theory has a SL(2,R) symmetry, a real-time counterpart of the ground ring. The action ca…
Closed String Tachyon Condensation and Worldsheet Inflation
Bruno Carneiro da Cunha, Emil J. Martinec
Closed string tachyon condensation in spacetime generates potentials on the worldsheet that model two-dimensional inflationary cosmology. These models illustrate and elucidate a va…