Effects of ultra-strong magnetic field on electron capture rates of <SUP>55</SUP>Co and <SUP>56</SUP>Ni in the magnetar surrounding

DU Jun; LUO Zhi-Quan; LI Ping-Ping

doi:10.1088/1674-1137/38/1/015102

Chinese Physics C> 2014, Vol. 38> Issue(1) : 015102 DOI: 10.1088/1674-1137/38/1/015102

Effects of ultra-strong magnetic field on electron capture rates of ⁵⁵Co and ⁵⁶Ni in the magnetar surrounding

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The electron capture rates of ⁵⁵Co and ⁵⁶Ni in the ultra-strong magnetic field at four typical temperature-density points have been calculated using the nuclear shell model and Landau energy levels quantized approximate correction. The results show that the electron capture rates of ⁵⁵Co and ⁵⁶Ni are increased greatly in the ultra-strong magnetic field, and even exceed two orders of magnitude in the range from 4.414× 10¹³G to 2.207× 10¹⁷G. The change rate of electron abundance, Ý_e, of ⁵⁵Co and ⁵⁶Ni under the condition of B=4.414× 10¹⁵G in the magnetar surrounding has been calculated and discussed, the proportions of Ý_e of ⁵⁵Co and ⁵⁶Ni in the total Ý_e have been reduced by 50 percent in all more than the condition without a magnetic field.

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DU Jun, LUO Zhi-Quan and LI Ping-Ping. Effects of ultra-strong magnetic field on electron capture rates of ⁵⁵Co and ⁵⁶Ni in the magnetar surrounding[J]. Chinese Physics C, 2014, 38(1): 015102. doi: 10.1088/1674-1137/38/1/015102

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Received: 2013-03-19
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Effects of ultra-strong magnetic field on electron capture rates of ⁵⁵Co and ⁵⁶Ni in the magnetar surrounding

Corresponding author: LUO Zhi-Quan,

Received Date: 2013-03-19

Accepted Date: 1900-01-01

Available Online: 2014-01-05

Abstract: The electron capture rates of ⁵⁵Co and ⁵⁶Ni in the ultra-strong magnetic field at four typical temperature-density points have been calculated using the nuclear shell model and Landau energy levels quantized approximate correction. The results show that the electron capture rates of ⁵⁵Co and ⁵⁶Ni are increased greatly in the ultra-strong magnetic field, and even exceed two orders of magnitude in the range from 4.414× 10¹³G to 2.207× 10¹⁷G. The change rate of electron abundance, Ý_e, of ⁵⁵Co and ⁵⁶Ni under the condition of B=4.414× 10¹⁵G in the magnetar surrounding has been calculated and discussed, the proportions of Ý_e of ⁵⁵Co and ⁵⁶Ni in the total Ý_e have been reduced by 50 percent in all more than the condition without a magnetic field.

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Effects of ultra-strong magnetic field on electron capture rates of ⁵⁵Co and ⁵⁶Ni in the magnetar surrounding

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Effects of ultra-strong magnetic field on electron capture rates of ⁵⁵Co and ⁵⁶Ni in the magnetar surrounding

Effects of ultra-strong magnetic field on electron capture rates of ⁵⁵Co and ⁵⁶Ni in the magnetar surrounding