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On the Dynamics of Crystal Electrons, High Momentum Regime

✍ Scribed by Joachim Asch; François Bentosela; Pierre Duclos; Gheorghe Nenciu

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
119 KB
Volume
256
Category
Article
ISSN
0022-247X

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✦ Synopsis

We study the quantum dynamics generated by H SW s yd 2 rdx 2 q V y x with V a real periodic function of weak regularity. We prove that the continuous spectrum of H SW is never empty, and furthermore that for V small enough there are no bound states.

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High resolution Compton profile measurements of single crystalline Li were performed for momentum transfer q k 110 with 0.12 a.u. momentum space resolution at room temperature and at 95 K using the Compton spectrometer of ID 15 B at ESRF. The valence electron Compton profile at room temperature is h