Two loop low temperature corrections to electron self energy

Mahnaz Q; Samina S

doi:10.1088/1674-1137/35/7/002

Chinese Physics C> 2011, Vol. 35> Issue(7) : 608-611 DOI: 10.1088/1674-1137/35/7/002

Two loop low temperature corrections to electron self energy

Mahnaz Q ,
Samina S

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Abstract：
We recalculate the two loop corrections in the background heat bath using real time formalism. The procedure of the integrations of loop momenta with dependence on finite temperature before the momenta without it has been followed. We determine the mass and wavefunction renormalization constants in the low temperature limit of QED, for the first time with this preferred order of integrations. The correction to electron mass and spinors in this limit is important in the early universe at the time of primordial nucleosynthesis as well as in astrophysics.

References

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Mahnaz Q and Samina S. Two loop low temperature corrections to electron self energy[J]. Chinese Physics C, 2011, 35(7): 608-611. doi: 10.1088/1674-1137/35/7/002

Mahnaz Q and Samina S. Two loop low temperature corrections to electron self energy[J]. Chinese Physics C, 2011, 35(7): 608-611. doi: 10.1088/1674-1137/35/7/002 shu

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Received: 2010-09-13
Revised: 2010-11-03

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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

Two loop low temperature corrections to electron self energy

Received Date: 2010-09-13

Accepted Date: 2010-11-03

Available Online: 2011-07-05

Abstract: We recalculate the two loop corrections in the background heat bath using real time formalism. The procedure of the integrations of loop momenta with dependence on finite temperature before the momenta without it has been followed. We determine the mass and wavefunction renormalization constants in the low temperature limit of QED, for the first time with this preferred order of integrations. The correction to electron mass and spinors in this limit is important in the early universe at the time of primordial nucleosynthesis as well as in astrophysics.

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Two loop low temperature corrections to electron self energy

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