Neutrino-neutrino interactions and flavour mixing in dense matter

被引：114

作者：

Balantekin, A. B. ^{[1
]}

Pehlivan, Y. ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2007年 / 34卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1088/0954-3899/34/1/004

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

An algebraic approach to the neutrino propagation in dense media is presented. The Hamiltonian describing a gas of neutrinos interacting with each other and with background fermions is written in terms of the appropriate SU(N) operators, where N is the number of neutrino flavours. The evolution of the resulting many-body problem is formulated as a coherent-state path integral. Some commonly used approximations are shown to represent the saddle-point solution of the path integral for the full many-body system.

引用

页码：47 / 65

页数：19

共 31 条

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