纳米管尾场加速器
Nanostructured Tube Wakefield Accelerator
摘要：
前所未有的$\rm TeVm^{-1}$加速度梯度被建模为使用纳米结构管中的非线性表面磨合模式可实现。使用纳米纤维和固体阿秒束团压缩的能量密度的进步，这种模式是可实现的。三维计算和分析模型表明，在亚毫米长管的有效壁密度$n_{\rm t}\sim10^{22-24}\rm cm^{-3}$和数百纳米的核心半径时，驱动亚微米近固体电子束，$n_{\rm b}\sim0.05n_{\rm t}$ GeV的能量增益。除了许多$\rm TVm^{-1}$平均梯度之外，增加其峰值密度和尾场强度的束的强自聚焦和纳米调制也开启了受控的高能光子产生。
英文摘要：
Unprecedented $\rm TeVm^{-1}$ acceleration gradients are modeled to be realizable using a nonlinear surface crunch-in mode in nanostructured tubes. This mode is realizable using advances in nanofabrication and solid energy density attosecond bunch compression. Three dimensional computational and analytical modeling demonstrates GeV energy gain in sub-millimeter long tubes with effective wall densities $n_{\rm t}\sim10^{22-24}\rm cm^{-3}$ and hundreds of nanometer core radius when driven by submicron near solid electron beams, $n_{\rm b}\sim0.05n_{\rm t}$. Besides the many $\rm TVm^{-1}$ average gradients, strong self-focusing and nanomodulation of the beam which increases its peak density and the wakefield strength also opens up controlled high-energy photon production.
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