Chiral-symmetry protected exceptional torus in correlated nodal-line semimetals

We analyze a diamond-lattice Hubbard model with the spatially modulated Hubbard interaction. Our dynamical mean-field analysis with special emphasis on non-Hermitian properties elucidates that the gapless nodal line changes into symmetry-protected exceptional torus (SPET) at the Fermi level enclosin...

Full description

Saved in:
Bibliographic Details
Published in:Physical review. B 2019-09, Vol.100 (11), p.1, Article 115124
Main Authors: Kimura, Kazuhiro, Yoshida, Tsuneya, Kawakami, Norio
Format: Article
Language:English
Subjects:
Correlation analysis
Diamonds
Fermi surfaces
Magnetic permeability
Mean field theory
Metalloids
Symmetry
Toruses
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
cited_by cdi_FETCH-LOGICAL-c371t-dbc6d3a6509a47cb608031b0ba971e1ec3afdd32f47019999ea3e49e276e20183
cites cdi_FETCH-LOGICAL-c371t-dbc6d3a6509a47cb608031b0ba971e1ec3afdd32f47019999ea3e49e276e20183
container_end_page
container_issue 11
container_start_page 1
container_title Physical review. B
container_volume 100
creator Kimura, Kazuhiro
Yoshida, Tsuneya
Kawakami, Norio
description We analyze a diamond-lattice Hubbard model with the spatially modulated Hubbard interaction. Our dynamical mean-field analysis with special emphasis on non-Hermitian properties elucidates that the gapless nodal line changes into symmetry-protected exceptional torus (SPET) at the Fermi level enclosing the three-dimensional open Fermi surface, which is unique to non-Hermitian physics with chiral symmetry. Furthermore, we also elucidate the effects of the SPETs on the magnetic response; our results based on the random-phase approximation combined with the dynamical mean-field theory show that SPETs enhance the magnetic susceptibility at the weakly correlated sites, exemplifying effects of non-Hermitian degeneracies on responses to external fields.
doi_str_mv 10.1103/PhysRevB.100.115124
format article
fullrecord <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2306797402</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2306797402</sourcerecordid><originalsourceid>FETCH-LOGICAL-c371t-dbc6d3a6509a47cb608031b0ba971e1ec3afdd32f47019999ea3e49e276e20183</originalsourceid><addsrcrecordid>eNqFUMFOwzAMjRBITGNfwKUS5w4n6ZLlCBUwpElDCM5Vmrpap7YpSYbo35NqwBVfnvX8bD89Qq4pLCkFfvuyH_0rft4vKUzMirLsjMxYJlSqlFDnf_0KLsnC-wMAUAFKgpqRXb5vnG5TP3YdBjcmg7MBTcAqwS-DQ2hsr9skWHf0SdMnxjqHrZ7mva3iYtv0mHjsmriuW39FLuoIuPjBOXl_fHjLN-l29_Sc321TwyUNaVUaUXEtVqB0Jk0pYA2cllBqJSlSNFzXVcVZnUmgKhZqjplCJgUyoGs-Jzenu9HvxxF9KA726KJVXzAOQiqZAftPxeJXpqKKn1TGWe8d1sXgmk67saBQTBEXvxFHYmKmiPk3eUNwoQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2306208029</pqid></control><display><type>article</type><title>Chiral-symmetry protected exceptional torus in correlated nodal-line semimetals</title><source>American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)</source><creator>Kimura, Kazuhiro ; Yoshida, Tsuneya ; Kawakami, Norio</creator><creatorcontrib>Kimura, Kazuhiro ; Yoshida, Tsuneya ; Kawakami, Norio</creatorcontrib><description>We analyze a diamond-lattice Hubbard model with the spatially modulated Hubbard interaction. Our dynamical mean-field analysis with special emphasis on non-Hermitian properties elucidates that the gapless nodal line changes into symmetry-protected exceptional torus (SPET) at the Fermi level enclosing the three-dimensional open Fermi surface, which is unique to non-Hermitian physics with chiral symmetry. Furthermore, we also elucidate the effects of the SPETs on the magnetic response; our results based on the random-phase approximation combined with the dynamical mean-field theory show that SPETs enhance the magnetic susceptibility at the weakly correlated sites, exemplifying effects of non-Hermitian degeneracies on responses to external fields.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.100.115124</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Correlation analysis ; Diamonds ; Fermi surfaces ; Magnetic permeability ; Mean field theory ; Metalloids ; Symmetry ; Toruses</subject><ispartof>Physical review. B, 2019-09, Vol.100 (11), p.1, Article 115124</ispartof><rights>Copyright American Physical Society Sep 15, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c371t-dbc6d3a6509a47cb608031b0ba971e1ec3afdd32f47019999ea3e49e276e20183</citedby><cites>FETCH-LOGICAL-c371t-dbc6d3a6509a47cb608031b0ba971e1ec3afdd32f47019999ea3e49e276e20183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Kimura, Kazuhiro</creatorcontrib><creatorcontrib>Yoshida, Tsuneya</creatorcontrib><creatorcontrib>Kawakami, Norio</creatorcontrib><title>Chiral-symmetry protected exceptional torus in correlated nodal-line semimetals</title><title>Physical review. B</title><description>We analyze a diamond-lattice Hubbard model with the spatially modulated Hubbard interaction. Our dynamical mean-field analysis with special emphasis on non-Hermitian properties elucidates that the gapless nodal line changes into symmetry-protected exceptional torus (SPET) at the Fermi level enclosing the three-dimensional open Fermi surface, which is unique to non-Hermitian physics with chiral symmetry. Furthermore, we also elucidate the effects of the SPETs on the magnetic response; our results based on the random-phase approximation combined with the dynamical mean-field theory show that SPETs enhance the magnetic susceptibility at the weakly correlated sites, exemplifying effects of non-Hermitian degeneracies on responses to external fields.</description><subject>Correlation analysis</subject><subject>Diamonds</subject><subject>Fermi surfaces</subject><subject>Magnetic permeability</subject><subject>Mean field theory</subject><subject>Metalloids</subject><subject>Symmetry</subject><subject>Toruses</subject><issn>2469-9950</issn><issn>2469-9969</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFUMFOwzAMjRBITGNfwKUS5w4n6ZLlCBUwpElDCM5Vmrpap7YpSYbo35NqwBVfnvX8bD89Qq4pLCkFfvuyH_0rft4vKUzMirLsjMxYJlSqlFDnf_0KLsnC-wMAUAFKgpqRXb5vnG5TP3YdBjcmg7MBTcAqwS-DQ2hsr9skWHf0SdMnxjqHrZ7mva3iYtv0mHjsmriuW39FLuoIuPjBOXl_fHjLN-l29_Sc321TwyUNaVUaUXEtVqB0Jk0pYA2cllBqJSlSNFzXVcVZnUmgKhZqjplCJgUyoGs-Jzenu9HvxxF9KA726KJVXzAOQiqZAftPxeJXpqKKn1TGWe8d1sXgmk67saBQTBEXvxFHYmKmiPk3eUNwoQ</recordid><startdate>20190912</startdate><enddate>20190912</enddate><creator>Kimura, Kazuhiro</creator><creator>Yoshida, Tsuneya</creator><creator>Kawakami, Norio</creator><general>American Physical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20190912</creationdate><title>Chiral-symmetry protected exceptional torus in correlated nodal-line semimetals</title><author>Kimura, Kazuhiro ; Yoshida, Tsuneya ; Kawakami, Norio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-dbc6d3a6509a47cb608031b0ba971e1ec3afdd32f47019999ea3e49e276e20183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Correlation analysis</topic><topic>Diamonds</topic><topic>Fermi surfaces</topic><topic>Magnetic permeability</topic><topic>Mean field theory</topic><topic>Metalloids</topic><topic>Symmetry</topic><topic>Toruses</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kimura, Kazuhiro</creatorcontrib><creatorcontrib>Yoshida, Tsuneya</creatorcontrib><creatorcontrib>Kawakami, Norio</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kimura, Kazuhiro</au><au>Yoshida, Tsuneya</au><au>Kawakami, Norio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chiral-symmetry protected exceptional torus in correlated nodal-line semimetals</atitle><jtitle>Physical review. B</jtitle><date>2019-09-12</date><risdate>2019</risdate><volume>100</volume><issue>11</issue><spage>1</spage><pages>1-</pages><artnum>115124</artnum><issn>2469-9950</issn><eissn>2469-9969</eissn><abstract>We analyze a diamond-lattice Hubbard model with the spatially modulated Hubbard interaction. Our dynamical mean-field analysis with special emphasis on non-Hermitian properties elucidates that the gapless nodal line changes into symmetry-protected exceptional torus (SPET) at the Fermi level enclosing the three-dimensional open Fermi surface, which is unique to non-Hermitian physics with chiral symmetry. Furthermore, we also elucidate the effects of the SPETs on the magnetic response; our results based on the random-phase approximation combined with the dynamical mean-field theory show that SPETs enhance the magnetic susceptibility at the weakly correlated sites, exemplifying effects of non-Hermitian degeneracies on responses to external fields.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.100.115124</doi></addata></record>
fulltext fulltext
identifier ISSN: 2469-9950
ispartof Physical review. B, 2019-09, Vol.100 (11), p.1, Article 115124
issn 2469-9950
2469-9969
language eng
recordid cdi_proquest_journals_2306797402
source American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects Correlation analysis
Diamonds
Fermi surfaces
Magnetic permeability
Mean field theory
Metalloids
Symmetry
Toruses
title Chiral-symmetry protected exceptional torus in correlated nodal-line semimetals
url http://sfxeu10.hosted.exlibrisgroup.com/loughborough?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-04T20%3A42%3A27IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Chiral-symmetry%20protected%20exceptional%20torus%20in%20correlated%20nodal-line%20semimetals&rft.jtitle=Physical%20review.%20B&rft.au=Kimura,%20Kazuhiro&rft.date=2019-09-12&rft.volume=100&rft.issue=11&rft.spage=1&rft.pages=1-&rft.artnum=115124&rft.issn=2469-9950&rft.eissn=2469-9969&rft_id=info:doi/10.1103/PhysRevB.100.115124&rft_dat=%3Cproquest_cross%3E2306797402%3C/proquest_cross%3E%3Cgrp_id%3Ecdi_FETCH-LOGICAL-c371t-dbc6d3a6509a47cb608031b0ba971e1ec3afdd32f47019999ea3e49e276e20183%3C/grp_id%3E%3Coa%3E%3C/oa%3E%3Curl%3E%3C/url%3E&rft_id=info:oai/&rft_pqid=2306208029&rft_id=info:pmid/&rfr_iscdi=true