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Time-dependent perturbation theory to all orders: an application to scattering and decay problems

Зависящая от времени теория возмущений во всех порядках: применение к рассеянию и проблемам распада

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Il Nuovo Cimento B (1971-1996)

Summary

The explicit calculation of the general term in time-dependent perturbation expansions is performed, so recovering theS matrix of the scattering theory and the Lorentz lineshape of decaying systems. The differences between scattering and decay problems are discussed.

Riassunto

Viene effettuato il calcolo esplicito del termine generale nello sviluppo perturbativo dipendente dal tempo; si riottiene così la matrice S della teoria dello scattering e la forma di riga lorenziana caratteristica del decadimento. Si discutono le differenze fra i problemi di scattering e quelli di decadimento.

Резюме

Проводится явное выч исление общего члена разложения зависяще й от времени теории возму щений. Рассматривают ся S-матрица теории рассеяния и Лоренцевы формы лини й для распадающихся с истем. Обсуждаются различи я между рассеянием и проблем ами распада.

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Authors and Affiliations

  1. Istituto di Ricerca sulle Onde Elettromagnetiche del C.N.R., Via Panciatichi 64, 50127, Firenze, Italia

    P. Moretti

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  1. P. Moretti
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Moretti, P. Time-dependent perturbation theory to all orders: an application to scattering and decay problems. Nuov Cim B 101, 247–260 (1988). https://doi.org/10.1007/BF02828707

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  • DOI: https://doi.org/10.1007/BF02828707

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