Nutation wave as a platform for ultrafast spin dynamics in ferromagnets
At short time scales, the inertia term becomes relevant for the magnetization dynamics of ferromagnets and leads to nutation for the magnetization vector. For the case of spatially extended magnetic systems, for instance, Heisenberg spin chains with the isotropic spin-exchange interaction, this lead...
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| Veröffentlicht in: | Applied physics letters 2020-09, Vol.117 (13) |
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| creator | Makhfudz, I. Olive, E. Nicolis, S. |
| description | At short time scales, the inertia term becomes relevant for the magnetization dynamics of ferromagnets and leads to nutation for the magnetization vector. For the case of spatially extended magnetic systems, for instance, Heisenberg spin chains with the isotropic spin-exchange interaction, this leads to the appearance of a collective excitation, the “nutation wave,” whose properties are elucidated by analytical arguments and numerical studies. The one-particle excitations can be identified as relativistic massive particles. These particles, the “nutatons,” acquire their mass via the Brout–Englert–Higgs mechanism, through the interaction of the wave with an emergent topological gauge field. This spin excitation would appear as a peak in the spectrum of the scattering structure factor in inelastic neutron scattering experiments. The high frequency and speed of the nutation wave can open paths for realizing ultrafast spin dynamics. |
| doi_str_mv | 10.1063/5.0013062 |
| format | Article |
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For the case of spatially extended magnetic systems, for instance, Heisenberg spin chains with the isotropic spin-exchange interaction, this leads to the appearance of a collective excitation, the “nutation wave,” whose properties are elucidated by analytical arguments and numerical studies. The one-particle excitations can be identified as relativistic massive particles. These particles, the “nutatons,” acquire their mass via the Brout–Englert–Higgs mechanism, through the interaction of the wave with an emergent topological gauge field. This spin excitation would appear as a peak in the spectrum of the scattering structure factor in inelastic neutron scattering experiments. The high frequency and speed of the nutation wave can open paths for realizing ultrafast spin dynamics.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/5.0013062</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Condensed Matter ; Excitation ; Ferromagnetism ; Inelastic scattering ; Magnetism ; Magnetization ; Mesoscopic Systems and Quantum Hall Effect ; Neutron scattering ; Neutrons ; Nutation ; Physics ; Relativistic particles ; Spin dynamics ; Structure factor</subject><ispartof>Applied physics letters, 2020-09, Vol.117 (13)</ispartof><rights>Author(s)</rights><rights>2020 Author(s). 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The high frequency and speed of the nutation wave can open paths for realizing ultrafast spin dynamics.</description><subject>Applied physics</subject><subject>Condensed Matter</subject><subject>Excitation</subject><subject>Ferromagnetism</subject><subject>Inelastic scattering</subject><subject>Magnetism</subject><subject>Magnetization</subject><subject>Mesoscopic Systems and Quantum Hall Effect</subject><subject>Neutron scattering</subject><subject>Neutrons</subject><subject>Nutation</subject><subject>Physics</subject><subject>Relativistic particles</subject><subject>Spin dynamics</subject><subject>Structure factor</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PwzAMhiMEEuPjwD-IxAmkjnw0aXucJtiQJrjAOXLaFDq1TUnSof17MnWCGzk4tvXotf0idEPJnBLJH8ScEMqJZCdoRkmWJZzS_BTNCCE8kYWg5-jC-20sBeN8hlYvY4DQ2B5_w85g8Bjw0EKoretwDHhsg4MafMB-aHpc7XvomtLjmNfGOdvBR2-Cv0JnNbTeXB__S_T-9Pi2XCeb19XzcrFJSs5kSEwqqkLkBdM6zpfMgCyzVDNRyhyESPNMiwp0LVOqs5oQzSmh8WlamgoM4ZfobtL9hFYNrunA7ZWFRq0XG3XokXhWXuRyRyN7O7GDs1-j8UFt7ej6uJ5iaSozybJc_imWznrvTP0rS4k6eKqEOnoa2fuJ9WUz2fYP_AMHkXRY</recordid><startdate>20200928</startdate><enddate>20200928</enddate><creator>Makhfudz, I.</creator><creator>Olive, E.</creator><creator>Nicolis, S.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-3365-4532</orcidid><orcidid>https://orcid.org/0000-0002-4142-5043</orcidid><orcidid>https://orcid.org/0000-0003-4539-1458</orcidid></search><sort><creationdate>20200928</creationdate><title>Nutation wave as a platform for ultrafast spin dynamics in ferromagnets</title><author>Makhfudz, I. ; Olive, E. ; Nicolis, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c326t-e45d95892bb52362ea6c74b25c68a55487b5dabf641b7f00b3101111b1cedae03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Applied physics</topic><topic>Condensed Matter</topic><topic>Excitation</topic><topic>Ferromagnetism</topic><topic>Inelastic scattering</topic><topic>Magnetism</topic><topic>Magnetization</topic><topic>Mesoscopic Systems and Quantum Hall Effect</topic><topic>Neutron scattering</topic><topic>Neutrons</topic><topic>Nutation</topic><topic>Physics</topic><topic>Relativistic particles</topic><topic>Spin dynamics</topic><topic>Structure factor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Makhfudz, I.</creatorcontrib><creatorcontrib>Olive, E.</creatorcontrib><creatorcontrib>Nicolis, S.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Makhfudz, I.</au><au>Olive, E.</au><au>Nicolis, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nutation wave as a platform for ultrafast spin dynamics in ferromagnets</atitle><jtitle>Applied physics letters</jtitle><date>2020-09-28</date><risdate>2020</risdate><volume>117</volume><issue>13</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>At short time scales, the inertia term becomes relevant for the magnetization dynamics of ferromagnets and leads to nutation for the magnetization vector. For the case of spatially extended magnetic systems, for instance, Heisenberg spin chains with the isotropic spin-exchange interaction, this leads to the appearance of a collective excitation, the “nutation wave,” whose properties are elucidated by analytical arguments and numerical studies. The one-particle excitations can be identified as relativistic massive particles. These particles, the “nutatons,” acquire their mass via the Brout–Englert–Higgs mechanism, through the interaction of the wave with an emergent topological gauge field. This spin excitation would appear as a peak in the spectrum of the scattering structure factor in inelastic neutron scattering experiments. 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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Condensed Matter Excitation Ferromagnetism Inelastic scattering Magnetism Magnetization Mesoscopic Systems and Quantum Hall Effect Neutron scattering Neutrons Nutation Physics Relativistic particles Spin dynamics Structure factor |
| title | Nutation wave as a platform for ultrafast spin dynamics in ferromagnets |
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