395 citations
- Universidad Autónoma de MadridES35 papers
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- Indian Institute of Science BangaloreIN9 papers
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- Centre National de la Recherche ScientifiqueFR6 papers
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- Indian Institute of Technology MadrasIN6 papers
- Saha Institute of Nuclear PhysicsIN5 papers
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35 papers · 1 filter
A Twisted Non-compact Elliptic Genus
Sujay K. Ashok, Jan Troost
We give a detailed path integral derivation of the elliptic genus of a supersymmetric coset conformal field theory, further twisted by a global U(1) symmetry. It gives rise to a Ja…
Gauge invariant coupling of fields to torsion: a string inspired model
Srijit Bhattacharjee, Ayan Chatterjee
In a consistent heterotic string theory, the Kalb-Ramond field, which is the source of spacetime torsion, is augmented by Yang-Mills and gravitational Chern-Simons terms. When comp…
DeWitt-Virasoro construction
Partha Mukhopadhyay
We study a particular approach for analyzing worldsheet conformal invariance for bosonic string propagating in a curved background using hamiltonian formalism. We work in the Schro…
10 + 1 to 3 + 1 in an Early Universe with mutually BPS Intersecting Branes
Samrat Bhowmick, S. Kalyana Rama
We assume that the early universe is homogeneous, anisotropic, and is dominated by the mutually BPS 22'55' intersecting branes of M theory. The spatial directions are all taken to…
Unusual Thermodynamics on the Fuzzy 2-Sphere
Sanatan Digal, Pramod Padmanabhan
Higher spin Dirac operators on both the continuum sphere() and its fuzzy analog() come paired with anticommuting chirality operators. A consequence of this is seen in t…
Thermofield dynamics and twisted Poincaré symmetry on Moyal space-time
A. P. Balachandran, T. R. Govindarajan
On Moyal space-time, one can implement twisted Poincaré symmetry with the resultant modification of symmetrization and anti-symmetrization postulates for bosons and fermions. We de…