Neutron resonance spin echo spectroscopy on split modes

K. Habicht; M. Enderle; B. Fåk; K. Hradil; P. Böni; T. Keller

doi:10.1088/1742-6596/211/1/012028

Neutron resonance spin echo spectroscopy on split modes

K. Habicht
, M. Enderle
, B. Fåk
, K. Hradil
, P. Böni
, T. Keller

Natural Sciences

Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Institut Laue-Langevin
CEA Grenoble
Georg August Universität Göttingen
Technical University of Munich
Max Planck Institute for Solid State Research

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We present an analytical formalism investigating effects of multiple excitations with different dispersion parameters in the context of neutron resonance spin echo spectroscopy. This allows identifying conditions to obtain high-resolution information on the energy split of two dispersive modes which may differ or not in their local energy gradient. Comparison to experimental data is provided by recent measurements on magnon excitations in RbMnF ₃. Potential future applications are investigations of hybridized phonon or magnon modes or mixed excitations.

Original language	English
Article number	012028
Journal	Journal of Physics: Conference Series
Volume	211
DOIs	https://doi.org/10.1088/1742-6596/211/1/012028
State	Published - 2010

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10.1088/1742-6596/211/1/012028

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title = "Neutron resonance spin echo spectroscopy on split modes",

abstract = "We present an analytical formalism investigating effects of multiple excitations with different dispersion parameters in the context of neutron resonance spin echo spectroscopy. This allows identifying conditions to obtain high-resolution information on the energy split of two dispersive modes which may differ or not in their local energy gradient. Comparison to experimental data is provided by recent measurements on magnon excitations in RbMnF 3. Potential future applications are investigations of hybridized phonon or magnon modes or mixed excitations.",

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AU - Habicht, K.

AU - Enderle, M.

AU - Fåk, B.

AU - Hradil, K.

AU - Böni, P.

AU - Keller, T.

PY - 2010

Y1 - 2010

N2 - We present an analytical formalism investigating effects of multiple excitations with different dispersion parameters in the context of neutron resonance spin echo spectroscopy. This allows identifying conditions to obtain high-resolution information on the energy split of two dispersive modes which may differ or not in their local energy gradient. Comparison to experimental data is provided by recent measurements on magnon excitations in RbMnF 3. Potential future applications are investigations of hybridized phonon or magnon modes or mixed excitations.

AB - We present an analytical formalism investigating effects of multiple excitations with different dispersion parameters in the context of neutron resonance spin echo spectroscopy. This allows identifying conditions to obtain high-resolution information on the energy split of two dispersive modes which may differ or not in their local energy gradient. Comparison to experimental data is provided by recent measurements on magnon excitations in RbMnF 3. Potential future applications are investigations of hybridized phonon or magnon modes or mixed excitations.

UR - https://www.scopus.com/pages/publications/77950471412

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DO - 10.1088/1742-6596/211/1/012028

M3 - Article

AN - SCOPUS:77950471412

SN - 1742-6588

VL - 211

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

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ER -

Neutron resonance spin echo spectroscopy on split modes

Abstract

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