Topological Properties and the Dynamical Crossover from Mixed-Valence to Kondo-Lattice Behavior in the Golden Phase of SmS
We have investigated temperature-dependent behaviors of electronic structure and resistivity in a mixed-valent golden phase of SmS, based on the dynamical mean-field-theory band-structure calculations. Upon cooling, the coherent Sm 4f bands are formed to produce the hybridization-induced pseudogap n...
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| Veröffentlicht in: | Physical review letters 2015-04, Vol.114 (16), p.166404-166404, Article 166404 |
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| creator | Kang, Chang-Jong Choi, Hong Chul Kim, Kyoo Min, B I |
| description | We have investigated temperature-dependent behaviors of electronic structure and resistivity in a mixed-valent golden phase of SmS, based on the dynamical mean-field-theory band-structure calculations. Upon cooling, the coherent Sm 4f bands are formed to produce the hybridization-induced pseudogap near the Fermi level, and accordingly the topology of the Fermi surface is changed to exhibit a Lifshitz-like transition. The surface states emerging in the bulk gap region are found to be not topologically protected states but just typical Rashba spin-polarized states, indicating that SmS is not a topological Kondo semimetal. From the analysis of anomalous resistivity behavior in SmS, we have identified universal energy scales, which characterize the Kondo-mixed-valent semimetallic systems. |
| doi_str_mv | 10.1103/physrevlett.114.166404 |
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Upon cooling, the coherent Sm 4f bands are formed to produce the hybridization-induced pseudogap near the Fermi level, and accordingly the topology of the Fermi surface is changed to exhibit a Lifshitz-like transition. The surface states emerging in the bulk gap region are found to be not topologically protected states but just typical Rashba spin-polarized states, indicating that SmS is not a topological Kondo semimetal. 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From the analysis of anomalous resistivity behavior in SmS, we have identified universal energy scales, which characterize the Kondo-mixed-valent semimetallic systems.</description><subject>Band structure of solids</subject><subject>Bands</subject><subject>Coherence</subject><subject>Crossovers</subject><subject>Electrical resistivity</subject><subject>Fermi surfaces</subject><subject>Mathematical analysis</subject><subject>Topology</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqFkU9P20AQxVcIRAL0K0R75GI6-8e762MbKEVN1aiEXq2NPdu4sr1mdxM1fHoMob1yGunNe2-k-REyY3DFGIiPw2YfA-5aTGkU5BVTSoI8IlMGusj0KB2TKYBgWQGgJ-Qsxj8AwLgyp2TC8yLPQfEpeVr5wbf-d1PZli6DHzCkBiO1fU3TBun1vrfd63IefIx-h4G64Dv6vfmLdfbLtthXSJOn33xf-2xhU2pG4TNu7K7xgTb9a8-tb2vs6XJjI1Lv6H13f0FOnG0jfnib5-Thy81q_jVb_Li9m39aZJVkkDKJnGvH69w6xtZGMoN5XdW6cFYbY4QUXBdagOTOaaE0glOIShmhcy6gEOfk8tA7BP-4xZjKrokVtq3t0W9jybRRTEvQ8n2rMsB0oaQYrepgrV7-EtCVQ2g6G_Ylg_IFUbkcEf3E3WJENAqyPCAag7O3G9t1h_X_2D8m4hm6cI-R</recordid><startdate>20150424</startdate><enddate>20150424</enddate><creator>Kang, Chang-Jong</creator><creator>Choi, Hong Chul</creator><creator>Kim, Kyoo</creator><creator>Min, B I</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150424</creationdate><title>Topological Properties and the Dynamical Crossover from Mixed-Valence to Kondo-Lattice Behavior in the Golden Phase of SmS</title><author>Kang, Chang-Jong ; Choi, Hong Chul ; Kim, Kyoo ; Min, B I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-4e227f2d5af11b8418e5dcd79fa788834327973042ff7367e0f6ee66837523093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Band structure of solids</topic><topic>Bands</topic><topic>Coherence</topic><topic>Crossovers</topic><topic>Electrical resistivity</topic><topic>Fermi surfaces</topic><topic>Mathematical analysis</topic><topic>Topology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kang, Chang-Jong</creatorcontrib><creatorcontrib>Choi, Hong Chul</creatorcontrib><creatorcontrib>Kim, Kyoo</creatorcontrib><creatorcontrib>Min, B I</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kang, Chang-Jong</au><au>Choi, Hong Chul</au><au>Kim, Kyoo</au><au>Min, B I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Topological Properties and the Dynamical Crossover from Mixed-Valence to Kondo-Lattice Behavior in the Golden Phase of SmS</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2015-04-24</date><risdate>2015</risdate><volume>114</volume><issue>16</issue><spage>166404</spage><epage>166404</epage><pages>166404-166404</pages><artnum>166404</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We have investigated temperature-dependent behaviors of electronic structure and resistivity in a mixed-valent golden phase of SmS, based on the dynamical mean-field-theory band-structure calculations. 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| subjects | Band structure of solids Bands Coherence Crossovers Electrical resistivity Fermi surfaces Mathematical analysis Topology |
| title | Topological Properties and the Dynamical Crossover from Mixed-Valence to Kondo-Lattice Behavior in the Golden Phase of SmS |
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