Exact Resurgent Trans-series and Multi-Bion Contributions to All Orders

Abstract

The full resurgent trans-series is found exactly in near-supersymmetric $\mathbb{C}{P}^1$ quantum mechanics. By expanding in powers of the SUSY breaking deformation parameter, we obtain the first and second expansion coefficients of the ground state energy. They are absolutely convergent series of nonperturbative exponentials corresponding to multi-bions with perturbation series on those background. We obtain all multi-bion exact solutions for finite time interval in the complexified theory. We sum the classical multi-bion contributions that reproduce the exact result supporting the resurgence to all orders. This is the first result in the quantum mechanical model where the resurgent trans-series structure is verified to all orders in nonperturbative multi-bion contributions.

11 pages, 3 figures, references added, typos corrected, published version

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