{"id":"https://openalex.org/W7224897255","doi":"https://doi.org/10.48550/arxiv.2610.40612","title":"Exceptional Points as Witnesses of Non-Gaussian Noise","display_name":"Exceptional Points as Witnesses of Non-Gaussian Noise","publication_year":2026,"publication_date":"2026-10-29","ids":{"openalex":"https://openalex.org/W7224897255","doi":"https://doi.org/10.48550/arxiv.2610.40612"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.40612","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.40612","pdf_url":"https://arxiv.org/pdf/2610.40612","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","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.40612","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078096774","display_name":"Aritra Ghosh","orcid":"https://orcid.org/0000-0003-0338-2801","observed_orcids":["https://orcid.org/0000-0003-0338-2801"]},"institutions":[{"id":"https://openalex.org/I155173764","display_name":"Rochester Institute of Technology","ror":"https://ror.org/00v4yb702","country_code":"US","type":"education","lineage":["https://openalex.org/I155173764"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ghosh, Aritra","raw_affiliation_strings":["School of Physics and Astronomy , Rochester Institute of Technology , 84 Lomb Memorial Drive , Rochester , New York 14623 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Astronomy , Rochester Institute of Technology , 84 Lomb Memorial Drive , Rochester , New York 14623 , USA","institution_ids":["https://openalex.org/I155173764"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133591104","display_name":"Subhashish Banerjee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I154549908","display_name":"Indian Institute of Technology Jodhpur","ror":"https://ror.org/03yacj906","country_code":"IN","type":"education","lineage":["https://openalex.org/I154549908"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Banerjee, Subhashish","raw_affiliation_strings":["Department of Physics , Indian Institute of Technology Jodhpur , Rajasthan 342030 , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Indian Institute of Technology Jodhpur , Rajasthan 342030 , India","institution_ids":["https://openalex.org/I154549908"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5160206946","display_name":"M. Bhattacharya","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I155173764","display_name":"Rochester Institute of Technology","ror":"https://ror.org/00v4yb702","country_code":"US","type":"education","lineage":["https://openalex.org/I155173764"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bhattacharya, M.","raw_affiliation_strings":["School of Physics and Astronomy , Rochester Institute of Technology , 84 Lomb Memorial Drive , Rochester , New York 14623 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Astronomy , Rochester Institute of Technology , 84 Lomb Memorial Drive , Rochester , New York 14623 , USA","institution_ids":["https://openalex.org/I155173764"]}]}],"institutions":[],"countries_distinct_count":2,"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":0.6211000084877014,"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":0.6211000084877014,"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":0.12960000336170197,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.0649000033736229,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/exceptional-points","display_name":"exceptional points","score":0.9990000128746033},{"id":"https://openalex.org/keywords/non-gaussian-noise","display_name":"non-Gaussian noise","score":0.9940000176429749},{"id":"https://openalex.org/keywords/power-spectrum","display_name":"power spectrum","score":0.656000018119812},{"id":"https://openalex.org/keywords/higher-order-statistics","display_name":"higher-order statistics","score":0.7559999823570251},{"id":"https://openalex.org/keywords/non-hermitian-dynamics","display_name":"non-Hermitian dynamics","score":0.765999972820282}],"concepts":[{"id":"https://openalex.org/C49023278","wikidata":"https://www.wikidata.org/wiki/Q5260650","display_name":"Dephasing","level":2,"score":0.939300000667572},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.7336999773979187},{"id":"https://openalex.org/C32848918","wikidata":"https://www.wikidata.org/wiki/Q845789","display_name":"Observable","level":2,"score":0.7106999754905701},{"id":"https://openalex.org/C86781634","wikidata":"https://www.wikidata.org/wiki/Q2478325","display_name":"Environmental noise","level":3,"score":0.5212000012397766},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5152000188827515},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.503000020980835},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4900999963283539},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.4652000069618225},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.45989999175071716},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.45840001106262207},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.39820000529289246},{"id":"https://openalex.org/C111996192","wikidata":"https://www.wikidata.org/wiki/Q7269075","display_name":"Quantum noise","level":3,"score":0.3855000138282776},{"id":"https://openalex.org/C203234222","wikidata":"https://www.wikidata.org/wiki/Q2133519","display_name":"Noise power","level":3,"score":0.37860000133514404},{"id":"https://openalex.org/C122527463","wikidata":"https://www.wikidata.org/wiki/Q578430","display_name":"Quantum decoherence","level":3,"score":0.36469998955726624},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.3513000011444092},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3328999876976013},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.31850001215934753},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3167000114917755},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.3061000108718872},{"id":"https://openalex.org/C187612029","wikidata":"https://www.wikidata.org/wiki/Q17083130","display_name":"Noise floor","level":4,"score":0.2888000011444092},{"id":"https://openalex.org/C89143813","wikidata":"https://www.wikidata.org/wiki/Q17105423","display_name":"Quantum sensor","level":5,"score":0.2824999988079071},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.28189998865127563},{"id":"https://openalex.org/C2781170535","wikidata":"https://www.wikidata.org/wiki/Q30587856","display_name":"Noisy data","level":2,"score":0.27790001034736633},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.2750000059604645},{"id":"https://openalex.org/C50150098","wikidata":"https://www.wikidata.org/wiki/Q2607127","display_name":"Weak measurement","level":3,"score":0.2718000113964081},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.266400009393692},{"id":"https://openalex.org/C2985568454","wikidata":"https://www.wikidata.org/wiki/Q136980","display_name":"Quantum interference","level":3,"score":0.2578999996185303},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.257099986076355},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.2502000033855438}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.40612","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.40612","pdf_url":"https://arxiv.org/pdf/2610.40612","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.2610.40612","doi":"https://doi.org/10.48550/arxiv.2610.40612","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.40612","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:2610.40612","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.40612","pdf_url":"https://arxiv.org/pdf/2610.40612","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":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7224897255.pdf","grobid_xml":"https://content.openalex.org/works/W7224897255.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W198004644","https://openalex.org/W2613160165","https://openalex.org/W4409125774","https://openalex.org/W2310671108","https://openalex.org/W4417228469","https://openalex.org/W4414385218","https://openalex.org/W2955918379","https://openalex.org/W4323353414","https://openalex.org/W4406449985","https://openalex.org/W4417035309"],"abstract_inverted_index":{"Efficient":[0],"control":[1],"of":[2,8,24,43,64,92,99],"quantum":[3,136],"devices":[4,137],"requires":[5],"the":[6,13,35,71,79,85,90,96,100],"knowledge":[7],"their":[9],"environmental":[10,126],"noise,":[11],"yet":[12],"commonly":[14],"measured":[15,86],"power":[16,72],"spectrum":[17],"does":[18],"not":[19],"fully":[20],"characterize":[21,133],"non-Gaussian":[22,44],"fluctuations":[23],"realistic":[25],"environments.":[26],"Here":[27],"we":[28],"show":[29],"that":[30,58,108],"exceptional":[31],"points":[32],"(EPs)":[33],"in":[34,62,135,139],"noise-averaged":[36],"dephasing":[37,60,87],"response":[38,88],"can":[39],"expose":[40],"observable":[41],"signatures":[42,112],"statistics,":[45,128],"distinguishing":[46],"environments":[47,61],"with":[48],"identical":[49,65],"lower-order":[50],"statistics.":[51],"We":[52,103],"also":[53],"introduce":[54],"a":[55,75,130],"theoretical":[56],"model":[57],"describes":[59],"terms":[63],"independent":[66],"noise":[67,127,134],"sources":[68,93],"while":[69],"preserving":[70],"spectrum.":[73],"Given":[74],"calibrated":[76],"single-source":[77],"model,":[78],"largest":[80],"EP":[81,111],"order":[82],"extracted":[83],"from":[84],"determines":[89],"number":[91],"and":[94,142],"predicts":[95],"higher-order":[97],"statistics":[98],"combined":[101],"noise.":[102],"illustrate":[104],"an":[105,114],"atomtronic":[106],"readout":[107],"maps":[109],"distinct":[110],"onto":[113],"evolving":[115],"ensemble-averaged":[116],"atomic":[117],"interference":[118],"pattern.":[119],"Our":[120],"results":[121],"connect":[122],"non-Hermitian":[123],"dynamics":[124],"to":[125,132],"providing":[129],"route":[131],"used":[138],"computing,":[140],"metrology,":[141],"precision":[143],"measurement.":[144]},"counts_by_year":[],"updated_date":"2026-11-02T09:45:03.842371","created_date":"2026-10-31T00:00:00"}
