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Galilean Conformal Algebras and AdS/CFT
Non-relativistic versions of the AdS/CFT conjecture have recently been investigated in some detail. These have primarily been in the context of the Schrodinger symmetry group. Here we initiate a…
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GCA in 2d
We make a detailed study of the infinite dimensional Galilean Conformal Algebra (GCA) in the case of two spacetime dimensions. Classically, this algebra is precisely obtained from a contraction of…
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Entanglement entropy in Galilean conformal field theories and flat holography.
We present the analytical calculation of entanglement entropy for a class of two-dimensional field theories governed by the symmetries of the Galilean conformal algebra, thus providing a rare example…
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Spin-3 gravity in three-dimensional flat space.
TLDR
The first example of a nontrivial higher spin theory in three-dimensional flat space is presented, and the asymptotic symmetry algebra is a (centrally extended) higher spin generalization of the Bondi-Metzner-Sachs algebra, which is described in detail.
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Holography of 3D flat cosmological horizons.
TLDR
A first derivation of the Bekenstein-Hawking entropy of 3D flat cosmological horizons is provided in terms of the counting of states in a dual field theory, exactly reproducing the bulk entropy in the limit of large charges.
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3D flat holography: entropy and logarithmic corrections
A bstractWe compute the leading corrections to the Bekenstein-Hawking entropy of the Flat Space Cosmological (FSC) solutions in 3D flat spacetimes, which are the flat analogues of the BTZ black holes…
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BMS/GCA redux: towards flatspace holography from non-relativistic symmetries
A bstractThe asymptotic group of symmetries at null infinity of flat spacetimes in three and four dimensions is the infinite dimensional Bondi-Metzner-Sachs (BMS) group. This has recently been shown…
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Correspondence between asymptotically flat spacetimes and nonrelativistic conformal field theories.
  • A. Bagchi
  • Mathematics, Physics
    Physical review letters
  • 19 October 2010
TLDR
It is shown that the BMS algebra in 3 dimensions is the same as the 2D Galilean conformal algebra (GCA) which is of relevance to nonrelativistic conformal symmetries and proposes a general BMS-GCA correspondence.
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Flat-space chiral gravity.
We provide the first evidence for a holographic correspondence between a gravitational theory in flat space and a specific unitary field theory in one dimension lower. The gravitational theory is a…
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Tensionless strings and Galilean Conformal Algebra
A bstractWe discuss an intriguing link between the symmetries of the tensionless limit of closed string theory and the 2-dimensional Galilean Conformal Algebra (2d GCA). 2d GCA has been studied in…
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