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- Homi Bhabha National InstituteIN282 papers
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41 papers · 1 filter
Symplectic and Hyperkahler structures in a dimensional reduction of the Seiberg-Witten equations with a Higgs field
Rukmini Dey
In this paper we show that the dimensionally reduced Seiberg-Witten equations lead to a Higgs field and study the resulting moduli spaces. The moduli space arising out of a subset…
Star Algebra Spectroscopy
Leonardo Rastelli, Ashoke Sen, Barton Zwiebach
The spectrum of the infinite dimensional Neumann matrices M^{11}, M^{12} and M^{21} in the oscillator construction of the three-string vertex determines key properties of the star…
A Note on a Proposal for the Tachyon State in Vacuum String Field Theory
Leonardo Rastelli, Ashoke Sen, Barton Zwiebach
We discuss the proposal of Hata and Kawano for the tachyon fluctuation around a solution of vacuum string field theory representing a D25 brane. We give a conformal field theory co…
Oscillator Representation of the BCFT Construction of D-branes in Vacuum String Field Theory
Partha Mukhopadhyay
Starting from the boundary CFT definition for the D-branes in vacuum string field theory (VSFT) given in hep-th/0105168, we derive the oscillator expression for the D24-brane solut…
Ghost Structure and Closed Strings in Vacuum String Field Theory
Davide Gaiotto, Leonardo Rastelli, Ashoke Sen +1
We complete the construction of vacuum string field theory by proposing a canonical choice of ghost kinetic term -- a local insertion of the ghost field at the string midpoint with…
Invisible charginos and neutralinos from gauge boson fusion : a way to explore anomaly mediation ?
Anindya Datta, Partha Konar, Biswarup Mukhopadhyaya
We point out that vector boson fusion (VBF) at the Large Hadron Collider (LHC) can lead to useful signals for charginos and neutralinos in supersymmetric scenarios where these part…