JDN 16 – Diffusion Inélastique Des Neutrons Pour l'Etude Des Excitations Dans La Matiére Condensée 2010
DOI: 10.1051/sfn/2010003
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Diffusion des neutrons par la matière cristalline ou amorphe non-magnétique

Abstract: Résumé. Nous présentons une introduction de la diffusion des neutrons par la matière cristalline ou amorphe non-magnétique, en mettant l'accent sur la diffusion inélastique. Le point de départ de notre discussion sera la diffusion d'une particule non-relativiste par un potentiel. Ce cas simple nous permettra d'introduire les notions d'amplitude et de longueur de diffusion, les ondes partielles ainsi que la série de Born. Nous passerons ensuite aux systèmes composés comportant des degrés de liberté internes. L'… Show more

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Cited by 1 publication
(3 citation statements)
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“…In the same way |ψ − is an eigenstate of S x with eigenvalue − /2. 53 We are, therefore, dealing with fully polarised states. The reason is the perfect coherence of the superposition of states that leads to a well-defined phase relation between the amplitudes of the up and down states.…”
Section: Statistical Density Operator and Quantum State Of The Probe Particlementioning
confidence: 99%
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“…In the same way |ψ − is an eigenstate of S x with eigenvalue − /2. 53 We are, therefore, dealing with fully polarised states. The reason is the perfect coherence of the superposition of states that leads to a well-defined phase relation between the amplitudes of the up and down states.…”
Section: Statistical Density Operator and Quantum State Of The Probe Particlementioning
confidence: 99%
“…I would like to thank Ursula Bengaard Hansen for having provided a translation into English of the original French article [53] that is at the basis of this work. This facilitated my task enormously.…”
Section: Acknowledgementsmentioning
confidence: 99%
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