{"id":"https://openalex.org/W7214048510","doi":"https://doi.org/10.48550/arxiv.2609.23721","title":"Non-Hermitian quantum phase transitions in the XY model induced by staggered imaginary Dzyaloshinskii--Moriya interaction","display_name":"Non-Hermitian quantum phase transitions in the XY model induced by staggered imaginary Dzyaloshinskii--Moriya interaction","publication_year":2026,"publication_date":"2026-09-20","ids":{"openalex":"https://openalex.org/W7214048510","doi":"https://doi.org/10.48550/arxiv.2609.23721"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.23721","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.23721","pdf_url":"https://arxiv.org/pdf/2609.23721","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.23721","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5151042155","display_name":"Hong Jiang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jiang, Hong","raw_affiliation_strings":["Center of Materials Science and Optoelectronics Engineering ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Materials Science and Optoelectronics Engineering ,","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152459495","display_name":"Xiang-Ping Jiang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I163151501","display_name":"Hangzhou Normal University","ror":"https://ror.org/014v1mr15","country_code":"CN","type":"education","lineage":["https://openalex.org/I163151501"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiang, Xiang-Ping","raw_affiliation_strings":["College of Materials Science and Opto-Electronic Technology , University of Chinese Academy of Sciences , Beijing 100049 , China","School of Physics , Hangzhou Normal University , Hangzhou , Zhejiang 311121 , China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Materials Science and Opto-Electronic Technology , University of Chinese Academy of Sciences , Beijing 100049 , China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"School of Physics , Hangzhou Normal University , Hangzhou , Zhejiang 311121 , China","institution_ids":["https://openalex.org/I163151501"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100768009","display_name":"Yanchao Li","orcid":"https://orcid.org/0000-0002-8747-1686","observed_orcids":["https://orcid.org/0000-0002-8747-1686"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Yan-Chao","raw_affiliation_strings":["Center of Materials Science and Optoelectronics Engineering ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Materials Science and Optoelectronics Engineering ,","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11262","display_name":"Quantum Mechanics and Non-Hermitian Physics","score":0.9829000234603882,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11262","display_name":"Quantum Mechanics and Non-Hermitian Physics","score":0.9829000234603882,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11804","display_name":"Quantum many-body systems","score":0.006399999838322401,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10622","display_name":"Quantum Mechanics and Applications","score":0.0008999999845400453,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/exceptional-points","display_name":"exceptional points","score":0.7120000123977661},{"id":"https://openalex.org/keywords/entanglement-entropy","display_name":"entanglement entropy","score":0.8849999904632568},{"id":"https://openalex.org/keywords/quantum-discord","display_name":"quantum discord","score":0.9800000190734863},{"id":"https://openalex.org/keywords/magnetic-phase-boundary","display_name":"magnetic phase boundary","score":0.6600000262260437}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.7178000211715698},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.6172999739646912},{"id":"https://openalex.org/C72190298","wikidata":"https://www.wikidata.org/wiki/Q2118253","display_name":"Quantum phase transition","level":3,"score":0.6064000129699707},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.5297999978065491},{"id":"https://openalex.org/C94940","wikidata":"https://www.wikidata.org/wiki/Q652941","display_name":"Hermitian matrix","level":2,"score":0.5227000117301941},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.5203999876976013},{"id":"https://openalex.org/C102439081","wikidata":"https://www.wikidata.org/wiki/Q469596","display_name":"Classical XY model","level":3,"score":0.5066999793052673},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.48730000853538513},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.47429999709129333},{"id":"https://openalex.org/C80891386","wikidata":"https://www.wikidata.org/wiki/Q7269084","display_name":"Quantum phases","level":4,"score":0.43290001153945923},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.42800000309944153},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4228000044822693},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.39640000462532043},{"id":"https://openalex.org/C2779886137","wikidata":"https://www.wikidata.org/wiki/Q21030012","display_name":"Symmetry (geometry)","level":2,"score":0.38760000467300415},{"id":"https://openalex.org/C149288129","wikidata":"https://www.wikidata.org/wiki/Q185357","display_name":"Phase transition","level":2,"score":0.3686999976634979},{"id":"https://openalex.org/C42704618","wikidata":"https://www.wikidata.org/wiki/Q910917","display_name":"Spin (aerodynamics)","level":2,"score":0.34310001134872437},{"id":"https://openalex.org/C182310444","wikidata":"https://www.wikidata.org/wiki/Q1332643","display_name":"Boundary value problem","level":2,"score":0.34060001373291016},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.33899998664855957},{"id":"https://openalex.org/C68532491","wikidata":"https://www.wikidata.org/wiki/Q1203669","display_name":"Renormalization group","level":2,"score":0.3296000063419342},{"id":"https://openalex.org/C139356082","wikidata":"https://www.wikidata.org/wiki/Q7269038","display_name":"Quantum discord","level":4,"score":0.320499986410141},{"id":"https://openalex.org/C2780813799","wikidata":"https://www.wikidata.org/wiki/Q3274237","display_name":"Zero (linguistics)","level":2,"score":0.31049999594688416},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.2980000078678131},{"id":"https://openalex.org/C2778926657","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum system","level":3,"score":0.29409998655319214},{"id":"https://openalex.org/C136479403","wikidata":"https://www.wikidata.org/wiki/Q1047683","display_name":"Quasiparticle","level":3,"score":0.29269999265670776},{"id":"https://openalex.org/C96875836","wikidata":"https://www.wikidata.org/wiki/Q7643350","display_name":"Superfluid film","level":4,"score":0.2728999853134155},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.2596000134944916},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.250900000333786}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.23721","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.23721","pdf_url":"https://arxiv.org/pdf/2609.23721","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2609.23721","doi":"https://doi.org/10.48550/arxiv.2609.23721","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.23721","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.23721","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.23721","pdf_url":"https://arxiv.org/pdf/2609.23721","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1034692168","display_name":null,"funder_award_id":"12074376","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6199602163","display_name":null,"funder_award_id":"12505017","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214048510.pdf","grobid_xml":"https://content.openalex.org/works/W7214048510.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W7162525629","https://openalex.org/W7163895273"],"related_works":["https://openalex.org/W7211991766","https://openalex.org/W4415295915","https://openalex.org/W3112687402","https://openalex.org/W4400199406","https://openalex.org/W4416459105","https://openalex.org/W7152060070","https://openalex.org/W4406791769","https://openalex.org/W2963799426","https://openalex.org/W3197631717","https://openalex.org/W4221150354"],"abstract_inverted_index":{"We":[0,81],"investigate":[1],"non-Hermitian":[2,36,129],"quantum":[3,95,98],"phase":[4,50,75,149],"transitions":[5],"driven":[6],"by":[7],"staggered":[8,22],"imaginary":[9],"Dzyaloshinskii--Moriya":[10],"(DM)":[11],"interactions":[12],"in":[13],"a":[14,21,39,113],"transverse-field":[15],"$XY$":[16,42],"chain.":[17],"By":[18],"virtue":[19],"of":[20,47,131],"nonunitary":[23],"transformation,":[24],"we":[25,111],"exactly":[26],"diagonalize":[27],"the":[28,35,48,67,73,103,140],"Hamiltonian.":[29],"For":[30],"$D<1$,":[31],"this":[32,109],"procedure":[33],"maps":[34],"model":[37],"onto":[38],"standard":[40],"Hermitian":[41],"chain,":[43],"allowing":[44],"analytical":[45],"derivation":[46],"full":[49],"boundaries.":[51,150],"The":[52],"parameter":[53],"line":[54],"$D=1$":[55],"forms":[56],"an":[57],"exceptional":[58],"boundary":[59],"with":[60],"coalesced":[61],"quasiparticle":[62],"eigenvalues":[63],"and":[64,86,97,123,133,144],"eigenvectors,":[65],"while":[66],"entire":[68],"$D>1$":[69],"regime":[70],"falls":[71],"into":[72],"$\\mathcal{RT}$-symmetry-broken":[74],"containing":[76],"two":[77],"distinct":[78],"$z$-ferromagnetic":[79],"phases.":[80],"examine":[82],"common":[83],"quantum-information":[84],"probes":[85],"show":[87],"that":[88],"conventional":[89],"measures,":[90],"such":[91],"as":[92],"entanglement":[93],"entropy,":[94],"discord,":[96],"coherence,":[99],"fail":[100],"to":[101],"capture":[102],"$\\mathcal{RT}$":[104,121,141],"symmetry-breaking":[105,142],"transition.":[106],"To":[107],"address":[108],"deficiency,":[110],"propose":[112],"novel":[114],"coherence":[115],"measure":[116],"$\\widetilde{\\mathrm{QC}}_{\\max}^{\\rm":[117,136],"LR}$":[118,137],"based":[119],"on":[120],"symmetry":[122],"complex-conjugate":[124],"eigenpair":[125],"correlations.":[126],"Embedding":[127],"intrinsic":[128],"information":[130],"left":[132],"right":[134],"eigenstates,":[135],"reliably":[138],"identifies":[139],"transition":[143],"accurately":[145],"resolves":[146],"all":[147],"magnetic":[148]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-23T00:00:00"}
