{"title":"No-go theorems for universal quantum state purification via classically simulable operations","authors":"","doi":"10.1103/bdw8-k91v","DOIUrl":"https://doi.org/10.1103/bdw8-k91v","url":null,"abstract":"","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"1 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2026-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146129498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Improved limit on the effective electron neutrino mass with the ECHo-1k experiment","authors":"","doi":"10.1103/lqkb-hylx","DOIUrl":"https://doi.org/10.1103/lqkb-hylx","url":null,"abstract":"","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":"266 1","pages":""},"PeriodicalIF":8.6,"publicationDate":"2026-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146129496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}