594 citations · 3.1k across the 88 of their papers we have counts for
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gr-qc2001★ 88 cited
R=0 spacetimes and self-dual Lorentzian wormholes
Naresh Dadhich, Sayan Kar, Sailajananda Mukherji +1
A two-parameter family of spherically symmetric, static Lorentzian wormholes is obtained as the general solution of the equation , where , $ρ_t = (T_{ij}…
hep-th2001★ 61 cited
Cosmic optical activity from an inhomogeneous Kalb-Ramond field
Sayan Kar, Parthasarathi Majumdar, Soumitra SenGupta +1
The effects of introducing a harmonic spatial inhomogeneity into the Kalb-Ramond field, interacting with the Maxwell field according to a `string-inspired' proposal made in earlier…
hep-th2001★ 7 cited
The geometry of RG flows in theory space
Sayan Kar
Renormalisation Group (RG) flows in theory space (the space of couplings) are generated by a vector field -- the function. Using a specific metric ansatz in theory space and ce…