Infinite-time average of local fields in an integrable quantum field theory after a quantum quench.
Infinite-time average of local fields in an integrable quantum field theory after a quantum quench.
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量子淬灭后可积量子场论中局部场的无限时间平均值。
DOI：
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发表时间：
2013
影响因子：
8.6
通讯作者：
G. Mussardo
中科院分区：
文献类型：
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作者：
G. Mussardo
任何相互作用的量子理论在全局淬灭过程之后局部场的期望值的无限时间平均值是匹配理论和实验结果的关键量。对于量子可积场论，我们证明它们可以通过集合平均值来获得，该集合平均值采用了由广义 Bethe ansatz 提取的局部场和量的形状因子的特定限制。
The infinite-time average of the expectation values of local fields of any interacting quantum theory after a global quench process are key quantities for matching theoretical and experimental results. For quantum integrable field theories, we show that they can be obtained by an ensemble average that employs a particular limit of the form factors of local fields and quantities extracted by the generalized Bethe ansatz.