Skyrmion Crystal from RKKY Interaction Mediated by 2D Electron Gas
We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attra...
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| Veröffentlicht in: | Physical review letters 2020-05, Vol.124 (20), p.1-207201, Article 207201 |
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| creator | Wang, Zhentao Su, Ying Lin, Shi-Zeng Batista, Cristian D. |
| description | We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF. |
| doi_str_mv | 10.1103/PhysRevLett.124.207201 |
| format | Article |
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(LANL), Los Alamos, NM (United States) ; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)</creatorcontrib><description>We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.124.207201</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Anisotropy ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; Conductivity ; Crystals ; Electron gas ; Electrons ; Exchanging ; Hypothetical particles ; intermetallic compounds ; Invariants ; Kondo lattice model ; Magnetic fields ; Magnetic moments ; Magnetism ; Particle theory ; RKKY interaction ; skyrmions ; topological hall effect ; Topology ; Wavelengths</subject><ispartof>Physical review letters, 2020-05, Vol.124 (20), p.1-207201, Article 207201</ispartof><rights>Copyright American Physical Society May 20, 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c510t-94d1df8d6c88e88a2e25f4cba97987f6bd41a56d9cca8c3ad203ca0ac05161fc3</citedby><cites>FETCH-LOGICAL-c510t-94d1df8d6c88e88a2e25f4cba97987f6bd41a56d9cca8c3ad203ca0ac05161fc3</cites><orcidid>0000-0002-4368-5244 ; 0000-0003-1667-3667 ; 0000-0001-7847-1142 ; 0000-0001-7442-2933 ; 0000000243685244 ; 0000000178471142 ; 0000000316673667 ; 0000000174422933</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,2876,2877,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1699484$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Zhentao</creatorcontrib><creatorcontrib>Su, Ying</creatorcontrib><creatorcontrib>Lin, Shi-Zeng</creatorcontrib><creatorcontrib>Batista, Cristian D.</creatorcontrib><creatorcontrib>Los Alamos National Lab. (LANL), Los Alamos, NM (United States)</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)</creatorcontrib><title>Skyrmion Crystal from RKKY Interaction Mediated by 2D Electron Gas</title><title>Physical review letters</title><description>We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.</description><subject>Anisotropy</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>Conductivity</subject><subject>Crystals</subject><subject>Electron gas</subject><subject>Electrons</subject><subject>Exchanging</subject><subject>Hypothetical particles</subject><subject>intermetallic compounds</subject><subject>Invariants</subject><subject>Kondo lattice model</subject><subject>Magnetic fields</subject><subject>Magnetic moments</subject><subject>Magnetism</subject><subject>Particle theory</subject><subject>RKKY interaction</subject><subject>skyrmions</subject><subject>topological hall effect</subject><subject>Topology</subject><subject>Wavelengths</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpd0EFLwzAUwPEgCs7pV5CiFy-d76Vpmxx1zimbKFMPnkKWpqyza2eSCf32ZtSDeAokP8J7f0LOEUaIkFy_rDq3MN9z4_0IKRtRyCngARkg5CLOEdkhGQAkGAuA_JicOLcGAKQZH5Db18_Obqq2ica2c17VUWnbTbSYzT6ix8Ybq7Tfvz6ZolLeFNGyi-hdNKmN9jbcT5U7JUelqp05-z2H5P1-8jZ-iOfP08fxzTzWKYKPBSuwKHmRac4N54oampZML5XIBc_LbFkwVGlWCK0V14kqKCRagdKQYoalTobkov-3db6STlfe6JVumyaMIjETgnEW0FWPtrb92hnn5aZy2tS1aky7c5KykIzloUagl__out3ZJqwQFAiKLGMQVNYrbVvnrCnl1lYbZTuJIPf95Z_-MvSXff_kB3neeiM</recordid><startdate>20200519</startdate><enddate>20200519</enddate><creator>Wang, Zhentao</creator><creator>Su, Ying</creator><creator>Lin, Shi-Zeng</creator><creator>Batista, Cristian D.</creator><general>American Physical Society</general><general>American Physical Society (APS)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-4368-5244</orcidid><orcidid>https://orcid.org/0000-0003-1667-3667</orcidid><orcidid>https://orcid.org/0000-0001-7847-1142</orcidid><orcidid>https://orcid.org/0000-0001-7442-2933</orcidid><orcidid>https://orcid.org/0000000243685244</orcidid><orcidid>https://orcid.org/0000000178471142</orcidid><orcidid>https://orcid.org/0000000316673667</orcidid><orcidid>https://orcid.org/0000000174422933</orcidid></search><sort><creationdate>20200519</creationdate><title>Skyrmion Crystal from RKKY Interaction Mediated by 2D Electron Gas</title><author>Wang, Zhentao ; Su, Ying ; Lin, Shi-Zeng ; Batista, Cristian D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c510t-94d1df8d6c88e88a2e25f4cba97987f6bd41a56d9cca8c3ad203ca0ac05161fc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Anisotropy</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>Conductivity</topic><topic>Crystals</topic><topic>Electron gas</topic><topic>Electrons</topic><topic>Exchanging</topic><topic>Hypothetical particles</topic><topic>intermetallic compounds</topic><topic>Invariants</topic><topic>Kondo lattice model</topic><topic>Magnetic fields</topic><topic>Magnetic moments</topic><topic>Magnetism</topic><topic>Particle theory</topic><topic>RKKY interaction</topic><topic>skyrmions</topic><topic>topological hall effect</topic><topic>Topology</topic><topic>Wavelengths</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Zhentao</creatorcontrib><creatorcontrib>Su, Ying</creatorcontrib><creatorcontrib>Lin, Shi-Zeng</creatorcontrib><creatorcontrib>Batista, Cristian D.</creatorcontrib><creatorcontrib>Los Alamos National Lab. (LANL), Los Alamos, NM (United States)</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Zhentao</au><au>Su, Ying</au><au>Lin, Shi-Zeng</au><au>Batista, Cristian D.</au><aucorp>Los Alamos National Lab. (LANL), Los Alamos, NM (United States)</aucorp><aucorp>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Skyrmion Crystal from RKKY Interaction Mediated by 2D Electron Gas</atitle><jtitle>Physical review letters</jtitle><date>2020-05-19</date><risdate>2020</risdate><volume>124</volume><issue>20</issue><spage>1</spage><epage>207201</epage><pages>1-207201</pages><artnum>207201</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.We consider a C6 invariant lattice of magnetic moments coupled via a Kondo exchange J with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction between the moments stabilizes a magnetic skyrmion crystal in the presence of magnetic field and easy-axis anisotropy. An attractive aspect of this mechanism is that the magnitude of the magnetic ordering wave vectors, Qν (ν=1, 2, 3), is dictated by the Fermi wave number kF: |Qν|=2kF. Consequently, the topological contribution to the Hall conductivity of the 2DEG becomes of the order of the quantized value, e2/h, when J is comparable to the Fermi energy εF.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.124.207201</doi><orcidid>https://orcid.org/0000-0002-4368-5244</orcidid><orcidid>https://orcid.org/0000-0003-1667-3667</orcidid><orcidid>https://orcid.org/0000-0001-7847-1142</orcidid><orcidid>https://orcid.org/0000-0001-7442-2933</orcidid><orcidid>https://orcid.org/0000000243685244</orcidid><orcidid>https://orcid.org/0000000178471142</orcidid><orcidid>https://orcid.org/0000000316673667</orcidid><orcidid>https://orcid.org/0000000174422933</orcidid><oa>free_for_read</oa></addata></record> |
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| source | American Physical Society Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Anisotropy CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Conductivity Crystals Electron gas Electrons Exchanging Hypothetical particles intermetallic compounds Invariants Kondo lattice model Magnetic fields Magnetic moments Magnetism Particle theory RKKY interaction skyrmions topological hall effect Topology Wavelengths |
| title | Skyrmion Crystal from RKKY Interaction Mediated by 2D Electron Gas |
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