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hep-th2022★ 19 cited
On the positivity of Coon amplitude in D=4
Joydeep Chakravarty, Pronobesh Maity, Amiya Mishra
The Coon amplitude is the unique solution to duality constraints with logarithmic Regge trajectories. A striking feature of this solution is that it interpolates between the Venezi…
hep-th2022★ 25 cited
Normalization of D instanton amplitudes in two dimensional type 0B string theory
Joydeep Chakravarty, Ashoke Sen
We compute the normalization of the D-instanton amplitudes in type 0B string theory in two dimensions and find perfect agreement with the dual matrix model result.