Spatial localization of high-frequency particle oscillations in a complex plasma monolayer
We study the spatial distribution of dynamical properties in a strongly coupled confined experimental dust monolayer with a dense central region and a rarefied periphery. We show that the dust particle oscillations spectrum shifts into the low-frequency range from the center of the structure toward...
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| Veröffentlicht in: | Journal of physics. D, Applied physics Applied physics, 2023-11, Vol.56 (48), p.485203 |
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| container_title | Journal of physics. D, Applied physics |
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| creator | Voronov, I V Nikolaev, V S Timofeev, A V Syrovatka, R A Lipaev, A M Zamorin, D A Klumov, B A |
| description | We study the spatial distribution of dynamical properties in a strongly coupled confined experimental dust monolayer with a dense central region and a rarefied periphery. We show that the dust particle oscillations spectrum shifts into the low-frequency range from the center of the structure toward its periphery. Correspondingly, the high-frequency particle oscillations are localized in the central region of the system. This effect is quantitatively described within the framework of the model system of trapped screened Coulomb charges. Such spatial localization has a significant effect on the spatial distribution of dynamical parameters, such as the amplitude of particle oscillations and the coupling parameter. The obtained results might be useful for the theory of crystal formation, instabilities and phase transitions in complex (dusty) plasmas, colloidal suspensions, and Coulomb crystals. |
| doi_str_mv | 10.1088/1361-6463/acf1ab |
| format | Article |
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We show that the dust particle oscillations spectrum shifts into the low-frequency range from the center of the structure toward its periphery. Correspondingly, the high-frequency particle oscillations are localized in the central region of the system. This effect is quantitatively described within the framework of the model system of trapped screened Coulomb charges. Such spatial localization has a significant effect on the spatial distribution of dynamical parameters, such as the amplitude of particle oscillations and the coupling parameter. The obtained results might be useful for the theory of crystal formation, instabilities and phase transitions in complex (dusty) plasmas, colloidal suspensions, and Coulomb crystals.</description><identifier>ISSN: 0022-3727</identifier><identifier>EISSN: 1361-6463</identifier><identifier>DOI: 10.1088/1361-6463/acf1ab</identifier><identifier>CODEN: JPAPBE</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>collective modes ; complex plasma ; confinement ; dispersion relation ; inhomogeneity ; monolayer ; quasi-two-dimensional structure</subject><ispartof>Journal of physics. 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D, Applied physics</title><addtitle>JPhysD</addtitle><addtitle>J. Phys. D: Appl. Phys</addtitle><description>We study the spatial distribution of dynamical properties in a strongly coupled confined experimental dust monolayer with a dense central region and a rarefied periphery. We show that the dust particle oscillations spectrum shifts into the low-frequency range from the center of the structure toward its periphery. Correspondingly, the high-frequency particle oscillations are localized in the central region of the system. This effect is quantitatively described within the framework of the model system of trapped screened Coulomb charges. Such spatial localization has a significant effect on the spatial distribution of dynamical parameters, such as the amplitude of particle oscillations and the coupling parameter. The obtained results might be useful for the theory of crystal formation, instabilities and phase transitions in complex (dusty) plasmas, colloidal suspensions, and Coulomb crystals.</description><subject>collective modes</subject><subject>complex plasma</subject><subject>confinement</subject><subject>dispersion relation</subject><subject>inhomogeneity</subject><subject>monolayer</subject><subject>quasi-two-dimensional structure</subject><issn>0022-3727</issn><issn>1361-6463</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kEtPwzAQhC0EEqVw5-gfQKgfsZMeUcVLqsQBuHCxNlubunLiYLcS5deTEsSN02hHM6vRR8glZ9ec1fWMS80LXWo5A3QcmiMy-bOOyYQxIQpZieqUnOW8YYwpXfMJeXvuYesh0BARgv8ajtjR6Ojav68Ll-zHzna4pz2krcdgaczoQ_iJZeo7ChRj2wf7SfsAuQXaxi4G2Nt0Tk4chGwvfnVKXu9uXxYPxfLp_nFxsyxQ1GxbNHOrtZKq0QqQixUypyvNaxxczkrXzIWUpXVS1YzXSgKuOM6FtRWigrKRU8LGv5hizsk60yffQtobzsyBjTmAMAcQZmQzVK7Gio-92cRd6oaB_8e_AQ5nZ_k</recordid><startdate>20231130</startdate><enddate>20231130</enddate><creator>Voronov, I V</creator><creator>Nikolaev, V S</creator><creator>Timofeev, A V</creator><creator>Syrovatka, R A</creator><creator>Lipaev, A M</creator><creator>Zamorin, D A</creator><creator>Klumov, B A</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-1156-893X</orcidid><orcidid>https://orcid.org/0000-0002-3604-6583</orcidid><orcidid>https://orcid.org/0000-0003-3627-7223</orcidid><orcidid>https://orcid.org/0000-0001-7404-4354</orcidid><orcidid>https://orcid.org/0000-0003-2376-3345</orcidid><orcidid>https://orcid.org/0000-0002-2559-3696</orcidid><orcidid>https://orcid.org/0009-0003-4525-0249</orcidid></search><sort><creationdate>20231130</creationdate><title>Spatial localization of high-frequency particle oscillations in a complex plasma monolayer</title><author>Voronov, I V ; Nikolaev, V S ; Timofeev, A V ; Syrovatka, R A ; Lipaev, A M ; Zamorin, D A ; Klumov, B A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c280t-b9e66535b65ac12dc0f67618c665104fb92334ef35801853acd1c92ee7cc5a4b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>collective modes</topic><topic>complex plasma</topic><topic>confinement</topic><topic>dispersion relation</topic><topic>inhomogeneity</topic><topic>monolayer</topic><topic>quasi-two-dimensional structure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Voronov, I V</creatorcontrib><creatorcontrib>Nikolaev, V S</creatorcontrib><creatorcontrib>Timofeev, A V</creatorcontrib><creatorcontrib>Syrovatka, R A</creatorcontrib><creatorcontrib>Lipaev, A M</creatorcontrib><creatorcontrib>Zamorin, D A</creatorcontrib><creatorcontrib>Klumov, B A</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of physics. D, Applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Voronov, I V</au><au>Nikolaev, V S</au><au>Timofeev, A V</au><au>Syrovatka, R A</au><au>Lipaev, A M</au><au>Zamorin, D A</au><au>Klumov, B A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spatial localization of high-frequency particle oscillations in a complex plasma monolayer</atitle><jtitle>Journal of physics. D, Applied physics</jtitle><stitle>JPhysD</stitle><addtitle>J. Phys. D: Appl. Phys</addtitle><date>2023-11-30</date><risdate>2023</risdate><volume>56</volume><issue>48</issue><spage>485203</spage><pages>485203-</pages><issn>0022-3727</issn><eissn>1361-6463</eissn><coden>JPAPBE</coden><abstract>We study the spatial distribution of dynamical properties in a strongly coupled confined experimental dust monolayer with a dense central region and a rarefied periphery. We show that the dust particle oscillations spectrum shifts into the low-frequency range from the center of the structure toward its periphery. Correspondingly, the high-frequency particle oscillations are localized in the central region of the system. This effect is quantitatively described within the framework of the model system of trapped screened Coulomb charges. Such spatial localization has a significant effect on the spatial distribution of dynamical parameters, such as the amplitude of particle oscillations and the coupling parameter. 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| subjects | collective modes complex plasma confinement dispersion relation inhomogeneity monolayer quasi-two-dimensional structure |
| title | Spatial localization of high-frequency particle oscillations in a complex plasma monolayer |
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