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P-Wave Doubly Excited States of Positronium Hydride

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Abstract

Three P-wave doubly excited autodissociating resonant states have been unveiled in positronium hydride. The investigation of these states was facilitated through the application of a projection operator method, supported by the stochastic variational method. Precise computations of the resonant positions and widths were executed using the complex coordinate rotation method, employing explicitly correlated Gaussians as basis functions. Our analysis has exposed the intrinsic structural characteristics of these profoundly excited states. The lowest P-wave doubly excited states manifest a distinctive trait, encompassing both the H\(^{-}\)+e\(^{+}\) and Ps\(^{-}\)+H\(^{+}\) configurations.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China under Grant Nos. 12364059 and 12147146, the Natural Science Foundation of Hainan Province under Grant Nos. 122QN219, and the Natural Science Foundation of Shandong Provincial under Grant Nos. ZR2021QA046.

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Authors and Affiliations

  1. Center for Theoretical Physics and School of Science, Hainan University, Haikou, 570228, People’s Republic of China

    Yi Zhang

  2. School of Physics and Optoelectronic Engineering, Hainan University, Haikou, 570228, People’s Republic of China

    Yi Zhang

  3. School of Physics and Physical Engineering, Qufu Normal University, Qufu, 273165, People’s Republic of China

    Guo-An Yan

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Authorship acknowledges a researcher’s contributions to a study and entails responsibility. In this section, we delineate how each author contributed to the manuscript. Using initials to denote each author’s contribution: Y. Z. primarily drafted the manuscript text. G. A. Y. analyzed data and prepared the figures. All authors participated in manuscript review. This accurately reflects the individual contributions of each author to our work.

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Correspondence to Guo-An Yan.

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Zhang, Y., Yan, GA. P-Wave Doubly Excited States of Positronium Hydride. Int J Theor Phys 63, 80 (2024). https://doi.org/10.1007/s10773-024-05596-w

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