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arXiv 1204.4665hep-phgr-qchep-th
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加速真空中电子涨落的温度

Temperature of Electron Fluctuations in an Accelerated Vacuum

Lance Labun, Johann Rafelski

备注：
6 pages, prepared for proceedings of First LeCosPA Symposium, February, 2012
发表信息：
Mod. Phys. Lett. A 28, 1340015 (2013)
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摘要：

用$\cond$测量的电子真空涨落在外加电场$\calE$中不消失。对于一个完全恒定的场，即真空涨落存在一个恒定的加速力，我们表明，$\cond$有一个玻色子状结构的光谱态密度$\tanh^{-1}(E/m)$和温度$\TEH = e\calE/mπ= a_v/π$。考虑到“经典”旋磁比$g=1$粒子的真空涨落，我们发现在一个较小的温度$T_1=a_v/2π$（对应于加速观测者的Unruh温度）下，具有相同谱态密度的类费米结构。

英文摘要：

The electron vacuum fluctuations measured by $\cond$ do not vanish in an externally applied electric field $\calE$. For an exactly constant field, that is for vacuum fluctuations in presence of a constant accelerating force, we show that $\cond$ has a Boson-like structure with spectral state density $\tanh^{-1}(E/m)$ and temperature $\TEH = e\calE/mπ= a_v/π$. Considering the vacuum fluctuations of `classical' gyromagnetic ratio $g=1$ particles we find Fermi-like structure with the same spectral state density at a smaller temperature $T_1=a_v/2π$ which corresponds to the Unruh temperature of an accelerated observer.

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