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Pulsar magnetic moment decay due to radiation damping and the pulsar in SN 1987 A

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Il Nuovo Cimento C

Summary

A new theory is proposed to account for the decay of the pulsar magnetic moment in terms of radiation damping mechanism. Detailed comparisons with the up-to-date pulsar observations are made. The theory is then applied to binary radio pulsars thereby resolving the dilemma concerning the ages and the magnetic fields of the pulsars PSR 0655+64 and PSR 1855+09. Finally a prediction is made concerning the period and period derivative of the pulsar in SN 1987 A.

Riassunto

Si propone una nuova teoria per spiegare il decadimento dell’impulso magnetico delle pulsar in termini di un meccanismo di smorzamento delle radiazioni. Si fanno confronti dettagliati con osservazioni attuali di pulsar. Si applica quindi la teoria a radio pulsar binarie risolvendo cosí il dilemma che concerne le età e i campi magnetici delle pulsar PSR 0655+64 e PSR 1855+09. Infine si fa una previsione sul periodo e sulla derivata del periodo della pulsar nella SN 1987 A.

Резюме

Предлагается новая теория для оббяснения уменьшения магнитного момента пульсара в терминах механизма радиационного затухания. Проводятся подробные сравнения с наблюдениями пульсаров. Затем эта теория применяется к двойным радио-пульсарам, чтобы решить дилемму, касаюшуюся возрастов и магнитных полей пульсаров PSR 0655+64 и PSR 1855+09. В заключение делаются предсказания относительно периода и производной периода для пульсара в SN 1987 A.

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Authors and Affiliations

  1. Department of Physics, Sophia University, 102, Tokyo, Japan

    Naoki Itoh

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  1. Naoki Itoh
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Itoh, N. Pulsar magnetic moment decay due to radiation damping and the pulsar in SN 1987 A. Il Nuovo Cimento C 12, 625–637 (1989). https://doi.org/10.1007/BF02508020

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  • DOI: https://doi.org/10.1007/BF02508020

PACS 97.60.Bw

PACS 97.60.Gb

PACS 97.60.Jd

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