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Radiative instability of a relativistic electron beam moving in a photonic crystal
Radiative relativistic electron beam photonic crystal
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2010/11/16
The radiative instability of a beam moving in a photonic crystal of finite dimensions is studied. The dispersion equation is obtained. The law $\Gamma\sim \rho ^{1/\left( {s + 3} \right)}$ is shown to...
Electrons caught moving on the edge（图）
Electrons the edge atoms of krypton
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2010/9/21
Researchers in Germany and the US have used flashes of laser light to follow the motion of valence electrons as they are excited and ejected from atoms of krypton. They say that their technique could ...
Decoherence of Electron Waves Due to Induced Charges Moving Through a Nearby Resistive Material
Electron Waves Charges a Nearby Resistive Material
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2010/10/13
An experiment in which decoherence, i.e. the transition from quantum to classical behaviour, can be studied in detail was proposed by Anglin and Zurek [1] and has now been realized. An electron beam i...