activity
20202026
most citedPenrose limit of MNa solution and spin chains in three-dimensional field theories

3 citations · 5 across the 6 of their papers we have counts for

collaborators

6 papers

hep-th2026

Super deformation and the RNS non-critical superstring

Marcelo R. Barbosa

In this paper we review the super deformation of theories in the superspace formulation, alongside its interpretation in the context of noncritical s…

hep-th2025

Penrose limits and TsT for fibered -branes

Marcelo R. Barbosa, Horatiu Nastase, Lucas S. Sousa

In this paper we analyze a generalized "single-trace " deformation, defined by a TsT transformation, of the fibered -brane solution from \cite{Nunez2023}. We use the Pe…

hep-th2024

Penrose limits of I-branes, twist-compactified D5-branes and spin chains

Marcelo Barbosa, Horatiu Nastase, Carlos Nunez +1

In this paper we consider the Penrose limit in the case of two gravity duals. One of them, consists of compactified I-branes (intersecting sets of D5-branes over dimensions…

hep-th2023

Penrose limit of T-dual of MNa solution and dual orbifold field theory

Marcelo R. Barbosa, Horatiu Nastase

In this paper we study the Penrose limit of the T-dual of the MNa solution and its field theory dual, in order to better understand the effect of T-duality in this case. We find a…

hep-th2021★ 3 cited

Penrose limit of MNa solution and spin chains in three-dimensional field theories

Horatiu Nastase, Marcelo R. Barbosa

In three dimensions, a theory with spontaneous breaking of supersymmetry was described holographically by the Maldacena-Nastase (MNa) solution. We revisit the issue of its Penrose…

math-ph2020★ 2 cited

Commutators of random matrices from the unitary and orthogonal groups

Pedro H. S. Palheta, Marcelo R. Barbosa, Marcel Novaes

We investigate the statistical properties of , when and are independent random matrices, uniformly distributed with respect to the Haar measure of the gro…