Published 1984 | Version v1
Report Open

Spin flip enhancement at resonant transmission

Creators

Description

The spin flip cross section for an electron which interacts by exchange in going through a layer of magnetic impurities, can be greatly enhanced in a situation of resonant transmission. This effect is described by a one dimensional model which contains the essential physics and can be exactly solved. Besides its eventual application in problems related to the emission and reflection of spin polarized electrons, this model provides a nice and instructive quantum mechanical example. (Author)

Availability note (English)

MF available from INIS under the Report Number.

Abstract (Portuguese)

A secao de choque de 'spin flip' para um eletron que interage por troca passando atraves de uma camada de impurezas magneticas, pode ser grandemente aumentada na situacao de transmissao ressonante. Descreve-se esse efeito por um modelo unidimensional que contem a fisica essencial e que pode ser exatamente resolvido. Alem de sua eventual aplicacao em problemas relacionados a emissao e a reflexao de eletrons de spin polarizados, esse modelo fornece um exemplo de mecanica quantica bom e instrutivo. (L.C.)

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Additional details

Publishing Information

Imprint Pagination
17 p.
Report number
CBPF-NF--051/84

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
16078822
Subject category
S74: ATOMIC AND MOLECULAR PHYSICS;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
CROSS SECTIONS; ELECTRON REACTIONS; EXCHANGE INTERACTIONS; ONE-DIMENSIONAL CALCULATIONS; SCHROEDINGER EQUATION; SPIN FLIP; SPIN ORIENTATION; THEORETICAL DATA; TRANSMISSION
Descriptors DEC
DATA; DIFFERENTIAL EQUATIONS; EQUATIONS; INFORMATION; INTERACTIONS; LEPTON REACTIONS; NUCLEAR REACTIONS; NUMERICAL DATA; ORIENTATION; PARTIAL DIFFERENTIAL EQUATIONS; WAVE EQUATIONS