Stochastic dynamics of a metal magnon parametron
A magnon parametron is a calculating element that carries binary information by a discretized oscillating phase: 0 and π. Owing to the strong non-linearity of the magnetization dynamics, the oscillation phase flips to another stochastically, which can give a rise to unconventional computing function...
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Veröffentlicht in: | Journal of applied physics 2022-11, Vol.132 (20) |
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creator | Hioki, Tomosato Saitoh, Eiji |
description | A magnon parametron is a calculating element that carries binary information by a discretized oscillating phase: 0 and
π. Owing to the strong non-linearity of the magnetization dynamics, the oscillation phase flips to another stochastically, which can give a rise to unconventional computing functionalities, including probabilistic computing. Here, we investigated the stochastic dynamics of ferromagnetic-metal magnon parametron, of which the precession phase is discretized into two (0 and
π) by parametric pumping of magnons. We found that an AC magnetic field perpendicular to an external field can control the precession phase in the magnon parametron, of which amplitude dependence follows the sigmoid function, a requirement for probabilistic bit operation. We also found that the time scale for flipping between different precession phases grows exponentially as pumping microwave power. Our finding ensures that the magnon parametron can be used as a calculating element for unconventional computing schemes based on bistable systems. |
doi_str_mv | 10.1063/5.0123221 |
format | Article |
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π. Owing to the strong non-linearity of the magnetization dynamics, the oscillation phase flips to another stochastically, which can give a rise to unconventional computing functionalities, including probabilistic computing. Here, we investigated the stochastic dynamics of ferromagnetic-metal magnon parametron, of which the precession phase is discretized into two (0 and
π) by parametric pumping of magnons. We found that an AC magnetic field perpendicular to an external field can control the precession phase in the magnon parametron, of which amplitude dependence follows the sigmoid function, a requirement for probabilistic bit operation. We also found that the time scale for flipping between different precession phases grows exponentially as pumping microwave power. Our finding ensures that the magnon parametron can be used as a calculating element for unconventional computing schemes based on bistable systems.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/5.0123221</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Computation ; Discretization ; Ferromagnetism ; Magnons ; Mathematical analysis ; Precession ; Probability theory ; Pumping</subject><ispartof>Journal of applied physics, 2022-11, Vol.132 (20)</ispartof><rights>Author(s)</rights><rights>2022 Author(s). Published under an exclusive license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c323t-d0a4256791d76a0ec7b72574754c33c5ea60484c6ecef926e0b166678be13ad23</citedby><cites>FETCH-LOGICAL-c323t-d0a4256791d76a0ec7b72574754c33c5ea60484c6ecef926e0b166678be13ad23</cites><orcidid>0000-0003-3240-7633 ; 0000-0003-2675-0718</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/5.0123221$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,776,780,790,4497,27903,27904,76130</link.rule.ids></links><search><creatorcontrib>Hioki, Tomosato</creatorcontrib><creatorcontrib>Saitoh, Eiji</creatorcontrib><title>Stochastic dynamics of a metal magnon parametron</title><title>Journal of applied physics</title><description>A magnon parametron is a calculating element that carries binary information by a discretized oscillating phase: 0 and
π. Owing to the strong non-linearity of the magnetization dynamics, the oscillation phase flips to another stochastically, which can give a rise to unconventional computing functionalities, including probabilistic computing. Here, we investigated the stochastic dynamics of ferromagnetic-metal magnon parametron, of which the precession phase is discretized into two (0 and
π) by parametric pumping of magnons. We found that an AC magnetic field perpendicular to an external field can control the precession phase in the magnon parametron, of which amplitude dependence follows the sigmoid function, a requirement for probabilistic bit operation. We also found that the time scale for flipping between different precession phases grows exponentially as pumping microwave power. Our finding ensures that the magnon parametron can be used as a calculating element for unconventional computing schemes based on bistable systems.</description><subject>Applied physics</subject><subject>Computation</subject><subject>Discretization</subject><subject>Ferromagnetism</subject><subject>Magnons</subject><subject>Mathematical analysis</subject><subject>Precession</subject><subject>Probability theory</subject><subject>Pumping</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqd0F9LwzAUBfAgCs7pg9-g4JNC503S_OmjDKfCwAf1OdymqXasTU0yYd_ejg589-nC5cc5cAi5prCgIPm9WABlnDF6QmYUdJkrIeCUzAAYzXWpynNyEeMGgFLNyxmBt-TtF8bU2qze99i1Nma-yTDrXMJt1uFn7_tswIDjI_j-kpw1uI3u6njn5GP1-L58ztevTy_Lh3VuOeMprwELJqQqaa0kgrOqUkyoQonCcm6FQwmFLqx01jUlkw4qKqVUunKUY834nNxMuUPw3zsXk9n4XejHSsMU12OyLg7qdlI2-BiDa8wQ2g7D3lAwh0GMMMdBRns32WjbhKn1_f_wjw9_0Ax1w38ByQxsgg</recordid><startdate>20221128</startdate><enddate>20221128</enddate><creator>Hioki, Tomosato</creator><creator>Saitoh, Eiji</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-3240-7633</orcidid><orcidid>https://orcid.org/0000-0003-2675-0718</orcidid></search><sort><creationdate>20221128</creationdate><title>Stochastic dynamics of a metal magnon parametron</title><author>Hioki, Tomosato ; Saitoh, Eiji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c323t-d0a4256791d76a0ec7b72574754c33c5ea60484c6ecef926e0b166678be13ad23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Applied physics</topic><topic>Computation</topic><topic>Discretization</topic><topic>Ferromagnetism</topic><topic>Magnons</topic><topic>Mathematical analysis</topic><topic>Precession</topic><topic>Probability theory</topic><topic>Pumping</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hioki, Tomosato</creatorcontrib><creatorcontrib>Saitoh, Eiji</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hioki, Tomosato</au><au>Saitoh, Eiji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stochastic dynamics of a metal magnon parametron</atitle><jtitle>Journal of applied physics</jtitle><date>2022-11-28</date><risdate>2022</risdate><volume>132</volume><issue>20</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>A magnon parametron is a calculating element that carries binary information by a discretized oscillating phase: 0 and
π. Owing to the strong non-linearity of the magnetization dynamics, the oscillation phase flips to another stochastically, which can give a rise to unconventional computing functionalities, including probabilistic computing. Here, we investigated the stochastic dynamics of ferromagnetic-metal magnon parametron, of which the precession phase is discretized into two (0 and
π) by parametric pumping of magnons. We found that an AC magnetic field perpendicular to an external field can control the precession phase in the magnon parametron, of which amplitude dependence follows the sigmoid function, a requirement for probabilistic bit operation. We also found that the time scale for flipping between different precession phases grows exponentially as pumping microwave power. Our finding ensures that the magnon parametron can be used as a calculating element for unconventional computing schemes based on bistable systems.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0123221</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-3240-7633</orcidid><orcidid>https://orcid.org/0000-0003-2675-0718</orcidid></addata></record> |
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subjects | Applied physics Computation Discretization Ferromagnetism Magnons Mathematical analysis Precession Probability theory Pumping |
title | Stochastic dynamics of a metal magnon parametron |
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