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Creators/Authors contains: "Mahajan, Raghu"

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  1. ; ; ; ; (, Journal of High Energy Physics)
    A<sc>bstract</sc> We compute the ZZ annulus one-point function of the cosmological constant operator in non-critical string theory, regulating divergences from the boundaries of moduli space using string field theory. We identify a subtle issue in a previous analysis of these divergences, which was done in the context of thec= 1 string theory, and where it had led to a mismatch with the prediction from the dual matrix quantum mechanics. After fixing this issue, we find a precise match to the expected answer in both thec< 1 andc= 1 cases. We also compute the disk two-point function, which is a quantity of the same order, and show that it too matches with the general prediction. 
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  2. ; ; ; (, Journal of High Energy Physics)
    A<sc>bstract</sc> We compute the normalization of the general multi-instanton contribution to the partition function of (p′,p) minimal string theory and also to the dual two-matrix integral. We find perfect agreement between the two results. 
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  3. ; ; ; (, Journal of High Energy Physics)
    A<sc>bstract</sc> We use insights from string field theory to analyze and cure the divergences in the cylinder diagram in minimal string theory with both boundaries lying on a ZZ brane. We focus on theories with worldsheet matter consisting of the (2, p) minimal model plus Liouville theory, with total central charge 26, together with the usualbc-ghosts. The string field theory procedure gives a finite, purely imaginary normalization constant for non-perturbative effects in minimal string theory, or doubly non-perturbative effects in JT gravity. We find precise agreement with the prediction from the dual double-scaled one-matrix integral. We also make a few remarks about the extension of this result to the more general (p′, p) minimal string. 
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