Thin disk models of anomalous X-ray pulsars

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Atıf İçin Kopyala

Eksi K. Y., ALPAR M.

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS, cilt.132, ss.524-529, 2004 (SCI-Expanded)

• Yayın Türü: Makale / Tam Makale
• Cilt numarası: 132
• Basım Tarihi: 2004
• Doi Numarası: 10.1016/j.nuclphysbps.2004.04.088
• Dergi Adı: NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
• Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Sayfa Sayıları: ss.524-529
• İstanbul Teknik Üniversitesi Adresli: Hayır

Özet

We discuss the options of the fall-back disk model of Anomalous X-Ray Pulsars (AXPs). We argue that the power-law index of the mass inflow rate during the propeller stage can be lower than those employed in earlier models. We take into account the effect of the super-critical mass inflow at the earliest stages on the inner radius of the disk and argue that the system starts as a propeller. Our results show that, assuming a fraction of the mass inflow is accreted onto the neutron star, the fall-back disk scenario can produce AXPs for acceptable parameters.