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pro vyhledávání: '"Nilsson, Bengt E. W"'
Autor:
Nilsson, Bengt E. W.
The entire eigenvalue spectrum of the operators on the squashed $S^7$ that appear in the Freund-Rubin compactification of eleven-dimensional supergravity was recently derived in [1 - 4]. Here we give a brief account of this work which started with [1
Externí odkaz:
http://arxiv.org/abs/2412.04208
Autor:
Nilsson, Bengt E. W., Jonson, Björn
We give some personal reflections on the person and scientist Lars Brink and on some of his scientific achievements. Our relations to Lars are briefly described in [1] and [2], while the sources relevant for this text are summarised in [3].
Comm
Comm
Externí odkaz:
http://arxiv.org/abs/2403.03776
Autor:
Karlsson, Joel, Nilsson, Bengt E. W.
The squashed seven-sphere operator spectrum is completed by deriving the spectrum of the spin-3/2 operator. The implications of the results for the $AdS_4$ $\mathcal{N} = 1$ supermultiplets obtained from compactification of eleven-dimensional supergr
Externí odkaz:
http://arxiv.org/abs/2305.00916
Autor:
Ekhammar, Simon, Nilsson, Bengt E. W.
We derive major parts of the eigenvalue spectrum of the operators on the squashed seven-sphere that appear in the compactification of eleven-dimensional supergravity. These spectra determine the mass spectrum of the fields in $AdS_4$ and are importan
Externí odkaz:
http://arxiv.org/abs/2105.05229
Autor:
Linander, Hampus, Nilsson, Bengt E. W.
In the context of three-dimensional conformal higher spin theory we derive, in the frame field formulation, the full non-linear spin 3 Cotton equation coupled to spin 2. This is done by solving the corresponding Chern-Simons gauge theory system of eq
Externí odkaz:
http://arxiv.org/abs/1602.01682
On the conformal higher spin unfolded equation for a three-dimensional self-interacting scalar field
Autor:
Nilsson, Bengt E. W.
We propose field equations for the conformal higher spin system in three dimensions coupled to a conformal scalar field with a sixth order potential. Both the higher spin equation and the unfolded equation for the scalar field have source terms and a
Externí odkaz:
http://arxiv.org/abs/1506.03328
Akademický článek
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A $Q$-exact off-shell action is constructed for twisted abelian (2,0) theory on a Lorentzian six-manifold of the form $M_{1,5} = C\times M_4$, where $C$ is a flat two-manifold and $M_4$ is a general Euclidean four-manifold. The properties of this for
Externí odkaz:
http://arxiv.org/abs/1406.4499
Autor:
Nilsson, Bengt E. W.
In this note we discuss some aspects of the frame formulation of conformal higher spins in three dimensions. We give some exact formulae for the coupled spin two - spin three part of the full higher spin theory and propose a star product Lagrangian f
Externí odkaz:
http://arxiv.org/abs/1312.5883
Autor:
Nilsson, Bengt E. W.
In this paper we discuss some special (critical) background solutions that arise in topological gauged ${\mathcal N}=8$ three-dimensional CFTs with SO(N) gauge group. These solutions solve the TMG equations (containing the parameters $\mu$ and $l$) f
Externí odkaz:
http://arxiv.org/abs/1304.2270