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  • Spin-3 Gravity in Three-Dimensional Flat Space 
    Afshar, Hamid; BAGCHI, ARJUN; Fareghbal, Reza; Grumiller, Daniel; Rosseel, Jan (American Physical Society, 2013-09)
    We present the first example of a nontrivial higher spin theory in three-dimensional flat space. We propose flat-space boundary conditions and prove their consistency for this theory. We find that the asymptotic symmetry ...
  • Conformal and W Symmetry Gauge-gravity correspondence AdS-CFT Correspondence 
    BAGCHI, ARJUN; Basu, Rudranil; MEHRA, ADITYA (Springer Nature, 2014-01)
    Maxwell’s Electrodynamics admits two distinct Galilean limits called the Electric and Magnetic limits. We show that the equations of motion in both these limits are invariant under the Galilean Conformal Algebra in D = 4, ...
  • 3D flat holography: entropy and logarithmic corrections 
    BAGCHI, ARJUN; Basu, Rudranil (Springer Nature, 2014-03)
    We 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 in AdS3. The analysis is done ...
  • Flat space cosmologies in two dimensions: Phase transitions and asymptotic mass domination 
    BAGCHI, ARJUN; Grumiller, Daniel; Salzer, Jakob; Sarkar, Sourav; Scholler, Friedrich (American Physical Society, 2014-10)
    We study flat space cosmologies in two dimensions by taking the flat space limit of the Achúcarro-Ortiz model. We unravel a phase transition between hot flat space and flat space cosmologies, and derive a new dilaton-dependent ...
  • Holographic Chern-Simons Theories 
    Afshar, Hamid; BAGCHI, ARJUN; Detournay, S.; Grumiller, Daniel; Prohazka, S.; Riegler, Max (Springer Nature, 2014-11)
    Chern–Simons theories in three dimensions are topological field theories that may have a holographic interpretation for suitable chosen gauge groups and boundary conditions on the fields. Conformal Chern–Simons gravity is ...
  • Entanglement Entropy in Galilean Conformal Field Theories and Flat Holography 
    BAGCHI, ARJUN; Basu, Rudranil; Grumiller, Daniel; Riegler, Max (American Physical Society, 2015-04)
    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 of such an exact ...
  • Flat holography: aspects of the dual field theory 
    BAGCHI, ARJUN; Basu, Rudranil; KAKKAR, ASHISH; MEHRA, ADITYA (Springer Nature, 2016-04)
    Assuming the existence of a field theory in D dimensions dual to (D + 1)-dimensional flat space, governed by the asymptotic symmetries of flat space, we make some preliminary remarks about the properties of this field ...
  • Galilean Yang-Mills theory 
    BAGCHI, ARJUN; Basu, Rudranil; KAKKAR, ASHISH; MEHRA, ADITYA (Springer Nature, 2016-04)
    We investigate the symmetry structure of the non-relativistic limit of Yang-Mills theories. Generalising previous results in the Galilean limit of electrodynamics, we discover that for Yang-Mills theories there are a variety ...

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