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Universal Hopping Motion Protected by Structural Topology
A scaling law elucidates the universality in nature, presiding over many physical phenomena which seem unrelated. Thus, exploring the universality class of scaling law in a particular system enlightens its physical nature in relevance to other systems and sometimes unearths an unprecedented new dyna...
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| Published in: | Advanced materials (Weinheim) 2022-10, Vol.34 (40), p.e2203275-n/a |
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| container_issue | 40 |
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| container_title | Advanced materials (Weinheim) |
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| creator | Song, Moojune You, Mujin Yang, Seungmo Ju, Tae‐Seong Moon, Kyoung‐Woong Hwang, Chanyong Kim, Kyoung‐Whan Park, Albert Min Gyu Kim, Kab‐Jin |
| description | A scaling law elucidates the universality in nature, presiding over many physical phenomena which seem unrelated. Thus, exploring the universality class of scaling law in a particular system enlightens its physical nature in relevance to other systems and sometimes unearths an unprecedented new dynamic phase. Here, the dynamics of weakly driven magnetic skyrmions are investigated, and its scaling law is compared with the motion of a magnetic domain wall (DW) creep. This study finds that the skyrmion does not follow the scaling law of the DW creep in 2D space but instead shows a hopping behavior similar to that of the particle‐like DW in 1D confinement. In addition, the hopping law satisfies even when a topological charge of the skyrmion is removed. Therefore, the distinct scaling behavior between the magnetic skyrmion and the DW stems from a general principle beyond the topological charge. This study demonstrates that the hopping behavior of skyrmions originates from the bottleneck process induced by DW segments with diverging collective lengths, which is inevitable in any closed‐shape spin structure in 2D. This work reveals that the structural topology of magnetic texture determines the universality class of its weakly driven motion, which is distinguished from the universality class of magnetic DW creep.
Universal scaling behavior of hopping motion determined by the shape of the interface and its topology is discovered through the current‐driven motion of magnetic skyrmions. This provides insights for implementing the skyrmionic devices and, for understanding the dynamics of moving bodies with a closed interface, which appears in a wide range of physical systems. |
| doi_str_mv | 10.1002/adma.202203275 |
| format | article |
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Universal scaling behavior of hopping motion determined by the shape of the interface and its topology is discovered through the current‐driven motion of magnetic skyrmions. This provides insights for implementing the skyrmionic devices and, for understanding the dynamics of moving bodies with a closed interface, which appears in a wide range of physical systems.</description><identifier>ISSN: 0935-9648</identifier><identifier>EISSN: 1521-4095</identifier><identifier>DOI: 10.1002/adma.202203275</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>creep ; Domain walls ; hopping ; Hypothetical particles ; Magnetic domains ; magnetic skyrmions ; Particle theory ; Scaling laws ; Spin structure ; structural topology ; Topology ; universality</subject><ispartof>Advanced materials (Weinheim), 2022-10, Vol.34 (40), p.e2203275-n/a</ispartof><rights>2022 Wiley‐VCH GmbH</rights><rights>2022. This article is published under http://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3905-3be88210c902f67ee7d077227f0c9a97b5092e002af20037b292f7cde6e287193</citedby><cites>FETCH-LOGICAL-c3905-3be88210c902f67ee7d077227f0c9a97b5092e002af20037b292f7cde6e287193</cites><orcidid>0000-0002-8378-3746 ; 0000-0002-6701-2423</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fadma.202203275$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fadma.202203275$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,786,790,27957,27958,50923,51032</link.rule.ids></links><search><creatorcontrib>Song, Moojune</creatorcontrib><creatorcontrib>You, Mujin</creatorcontrib><creatorcontrib>Yang, Seungmo</creatorcontrib><creatorcontrib>Ju, Tae‐Seong</creatorcontrib><creatorcontrib>Moon, Kyoung‐Woong</creatorcontrib><creatorcontrib>Hwang, Chanyong</creatorcontrib><creatorcontrib>Kim, Kyoung‐Whan</creatorcontrib><creatorcontrib>Park, Albert Min Gyu</creatorcontrib><creatorcontrib>Kim, Kab‐Jin</creatorcontrib><title>Universal Hopping Motion Protected by Structural Topology</title><title>Advanced materials (Weinheim)</title><description>A scaling law elucidates the universality in nature, presiding over many physical phenomena which seem unrelated. Thus, exploring the universality class of scaling law in a particular system enlightens its physical nature in relevance to other systems and sometimes unearths an unprecedented new dynamic phase. Here, the dynamics of weakly driven magnetic skyrmions are investigated, and its scaling law is compared with the motion of a magnetic domain wall (DW) creep. This study finds that the skyrmion does not follow the scaling law of the DW creep in 2D space but instead shows a hopping behavior similar to that of the particle‐like DW in 1D confinement. In addition, the hopping law satisfies even when a topological charge of the skyrmion is removed. Therefore, the distinct scaling behavior between the magnetic skyrmion and the DW stems from a general principle beyond the topological charge. This study demonstrates that the hopping behavior of skyrmions originates from the bottleneck process induced by DW segments with diverging collective lengths, which is inevitable in any closed‐shape spin structure in 2D. This work reveals that the structural topology of magnetic texture determines the universality class of its weakly driven motion, which is distinguished from the universality class of magnetic DW creep.
Universal scaling behavior of hopping motion determined by the shape of the interface and its topology is discovered through the current‐driven motion of magnetic skyrmions. This provides insights for implementing the skyrmionic devices and, for understanding the dynamics of moving bodies with a closed interface, which appears in a wide range of physical systems.</description><subject>creep</subject><subject>Domain walls</subject><subject>hopping</subject><subject>Hypothetical particles</subject><subject>Magnetic domains</subject><subject>magnetic skyrmions</subject><subject>Particle theory</subject><subject>Scaling laws</subject><subject>Spin structure</subject><subject>structural topology</subject><subject>Topology</subject><subject>universality</subject><issn>0935-9648</issn><issn>1521-4095</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqF0E1Lw0AQBuBFFKzVq-eAFy-ps5NsNnss9aOCRcH2vGzSSUlJs3E3UfLvTa0oePE0MDzvMLyMXXKYcAC8MeudmSAgQoRSHLERF8jDGJQ4ZiNQkQhVEqen7Mz7LQCoBJIRU6u6fCfnTRXMbdOU9SZY2La0dfDibEt5S-sg64PX1nV527mBLW1jK7vpz9lJYSpPF99zzFb3d8vZPHx6fnicTZ_CPFIgwiijNEUOuQIsEkkk1yAloiyGlVEyE6CQhv9NgQCRzFBhIfM1JYSp5Coas-vD3cbZt458q3elz6mqTE228xolxGki4y969Ydubefq4btBIRcRh1gManJQubPeOyp048qdcb3moPdN6n2T-qfJIaAOgY-yov4frae3i-lv9hOy4XVy</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Song, Moojune</creator><creator>You, Mujin</creator><creator>Yang, Seungmo</creator><creator>Ju, Tae‐Seong</creator><creator>Moon, Kyoung‐Woong</creator><creator>Hwang, Chanyong</creator><creator>Kim, Kyoung‐Whan</creator><creator>Park, Albert Min Gyu</creator><creator>Kim, Kab‐Jin</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-8378-3746</orcidid><orcidid>https://orcid.org/0000-0002-6701-2423</orcidid></search><sort><creationdate>20221001</creationdate><title>Universal Hopping Motion Protected by Structural Topology</title><author>Song, Moojune ; You, Mujin ; Yang, Seungmo ; Ju, Tae‐Seong ; Moon, Kyoung‐Woong ; Hwang, Chanyong ; Kim, Kyoung‐Whan ; Park, Albert Min Gyu ; Kim, Kab‐Jin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3905-3be88210c902f67ee7d077227f0c9a97b5092e002af20037b292f7cde6e287193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>creep</topic><topic>Domain walls</topic><topic>hopping</topic><topic>Hypothetical particles</topic><topic>Magnetic domains</topic><topic>magnetic skyrmions</topic><topic>Particle theory</topic><topic>Scaling laws</topic><topic>Spin structure</topic><topic>structural topology</topic><topic>Topology</topic><topic>universality</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, Moojune</creatorcontrib><creatorcontrib>You, Mujin</creatorcontrib><creatorcontrib>Yang, Seungmo</creatorcontrib><creatorcontrib>Ju, Tae‐Seong</creatorcontrib><creatorcontrib>Moon, Kyoung‐Woong</creatorcontrib><creatorcontrib>Hwang, Chanyong</creatorcontrib><creatorcontrib>Kim, Kyoung‐Whan</creatorcontrib><creatorcontrib>Park, Albert Min Gyu</creatorcontrib><creatorcontrib>Kim, Kab‐Jin</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><jtitle>Advanced materials (Weinheim)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Song, Moojune</au><au>You, Mujin</au><au>Yang, Seungmo</au><au>Ju, Tae‐Seong</au><au>Moon, Kyoung‐Woong</au><au>Hwang, Chanyong</au><au>Kim, Kyoung‐Whan</au><au>Park, Albert Min Gyu</au><au>Kim, Kab‐Jin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Universal Hopping Motion Protected by Structural Topology</atitle><jtitle>Advanced materials (Weinheim)</jtitle><date>2022-10-01</date><risdate>2022</risdate><volume>34</volume><issue>40</issue><spage>e2203275</spage><epage>n/a</epage><pages>e2203275-n/a</pages><issn>0935-9648</issn><eissn>1521-4095</eissn><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>A scaling law elucidates the universality in nature, presiding over many physical phenomena which seem unrelated. Thus, exploring the universality class of scaling law in a particular system enlightens its physical nature in relevance to other systems and sometimes unearths an unprecedented new dynamic phase. Here, the dynamics of weakly driven magnetic skyrmions are investigated, and its scaling law is compared with the motion of a magnetic domain wall (DW) creep. This study finds that the skyrmion does not follow the scaling law of the DW creep in 2D space but instead shows a hopping behavior similar to that of the particle‐like DW in 1D confinement. In addition, the hopping law satisfies even when a topological charge of the skyrmion is removed. Therefore, the distinct scaling behavior between the magnetic skyrmion and the DW stems from a general principle beyond the topological charge. This study demonstrates that the hopping behavior of skyrmions originates from the bottleneck process induced by DW segments with diverging collective lengths, which is inevitable in any closed‐shape spin structure in 2D. This work reveals that the structural topology of magnetic texture determines the universality class of its weakly driven motion, which is distinguished from the universality class of magnetic DW creep.
Universal scaling behavior of hopping motion determined by the shape of the interface and its topology is discovered through the current‐driven motion of magnetic skyrmions. This provides insights for implementing the skyrmionic devices and, for understanding the dynamics of moving bodies with a closed interface, which appears in a wide range of physical systems.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/adma.202203275</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-8378-3746</orcidid><orcidid>https://orcid.org/0000-0002-6701-2423</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | creep Domain walls hopping Hypothetical particles Magnetic domains magnetic skyrmions Particle theory Scaling laws Spin structure structural topology Topology universality |
| title | Universal Hopping Motion Protected by Structural Topology |
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