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Super- and subradiant dynamics of quantum emitters mediated by atomic matter waves 原子物质波介导的量子发射器的超辐射和亚辐射动力学
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-18 DOI: 10.1038/s41567-024-02676-w
Youngshin Kim, Alfonso Lanuza, Dominik Schneble
{"title":"Super- and subradiant dynamics of quantum emitters mediated by atomic matter waves","authors":"Youngshin Kim, Alfonso Lanuza, Dominik Schneble","doi":"10.1038/s41567-024-02676-w","DOIUrl":"https://doi.org/10.1038/s41567-024-02676-w","url":null,"abstract":"<p>The cooperative modification of spontaneous radiative decay exemplifies a many-emitter effect in quantum optics. So far, its experimental realizations have relied on interactions mediated by rapidly escaping photons, which do not play an active role in the emitter dynamics. Here we use a platform of ultracold atoms in a one-dimensional optical lattice geometry to explore cooperative non-Markovian dynamics of synthetic quantum emitters that decay by radiating slow atomic matter waves. By preparing and manipulating arrays of emitters hosting weakly and strongly interacting many-body phases of excitations, we demonstrate directional collective emission and study the interplay between retardation and super- and subradiant dynamics. Moreover, we directly observe the spontaneous buildup of coherence among emitters. Our results on collective radiative dynamics establish ultracold matter waves as a versatile tool for studying many-body quantum optics in spatially extended and ordered systems.</p>","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"8 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665459","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}
引用次数: 0
Is there an association between EMG activity and temporomandibular disorders during orthotic mandibular advancement in sleep apnea patients undergoing DISE? 接受 DISE 治疗的睡眠呼吸暂停患者在下颌前突矫正过程中的肌电图活动与颞下颌紊乱之间是否存在关联？
IF 2 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-01 Epub Date: 2022-03-09 DOI: 10.1080/08869634.2022.2047511
Anna Alessandri Bonetti, Patrizia Gallenzi
{"title":"Is there an association between EMG activity and temporomandibular disorders during orthotic mandibular advancement in sleep apnea patients undergoing DISE?","authors":"Anna Alessandri Bonetti, Patrizia Gallenzi","doi":"10.1080/08869634.2022.2047511","DOIUrl":"10.1080/08869634.2022.2047511","url":null,"abstract":"<p><strong>Objective: </strong>To detect whether myotatic reflex activation of masticatory muscles during drug-induced sleep endoscopy (DISE) can be an indirect marker for temporomandibular disorder (TMD) in patients suffering from obstructive sleep apnea (OSA).</p><p><strong>Methods: </strong>OSA patients were prospectively recruited and underwent a complete TMD examination prior to undergoing DISE with the addition of electrodes applied over masticatory muscles. A positive activation of myotatic reflex was considered in case of an increase in muscle tone of at least 50%.</p><p><strong>Results: </strong>Of the 41 patients included, 48.8% presented activation of myotatic reflex. Of these patients, 45% presented a TMD diagnosis, 40% presented pain at masticatory muscles palpation, and 15% did not report pain during clinical examination.</p><p><strong>Conclusion: </strong>An increase in EMG activity during mandibular advancement is not associated with TMD presence, but it can be an indirect marker of pain in the orofacial area in OSA patients.</p>","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"17 1","pages":"730-735"},"PeriodicalIF":2.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79528793","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}
引用次数: 0
Modulated Kondo screening along magnetic mirror twin boundaries in monolayer MoS2 单元化二硫化钼中沿磁镜孪晶界调制近藤筛分
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02250-w
Camiel van Efferen, Jeison Fischer, Theo A. Costi, Achim Rosch, Thomas Michely, Wouter Jolie
{"title":"Modulated Kondo screening along magnetic mirror twin boundaries in monolayer MoS2","authors":"Camiel van Efferen,&nbsp;Jeison Fischer,&nbsp;Theo A. Costi,&nbsp;Achim Rosch,&nbsp;Thomas Michely,&nbsp;Wouter Jolie","doi":"10.1038/s41567-023-02250-w","DOIUrl":"10.1038/s41567-023-02250-w","url":null,"abstract":"When a single electron is confined to an impurity state in a metal, a many-body resonance emerges at the Fermi energy if the electron bath screens the impurity’s magnetic moment. This is the Kondo effect, originally introduced to explain the abnormal resistivity behaviour in bulk magnetic alloys, and it has been realized in many quantum systems over the past decades, ranging from heavy-fermion lattices down to adsorbed single atoms. Here we describe a Kondo system that allows us to experimentally resolve the spectral function consisting of impurity levels and a Kondo resonance in a large Kondo temperature range, as well as their spatial modulation. Our approach is based on a discrete half-filled quantum confined state within a MoS2 grain boundary, which—in conjunction with numerical renormalization group calculations—enables us to test the predictive power of the Anderson model that is the basis of the microscopic understanding of Kondo physics. Interactions between a localized magnetic moment and electrons in a metal can produce an emergent resonance that affects the metal’s properties. A realization of this Kondo effect in MoS2 provides an opportunity to study it in microscopic detail.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 1","pages":"82-87"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41567-023-02250-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72364975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soviet influences on Kenneth Wilson’s renormalization group work 苏联对威尔逊重整化群工作的影响
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02191-4
P. Chandra
{"title":"Soviet influences on Kenneth Wilson’s renormalization group work","authors":"P. Chandra","doi":"10.1038/s41567-023-02191-4","DOIUrl":"10.1038/s41567-023-02191-4","url":null,"abstract":"Kenneth Wilson worked on the renormalization group during the Cold War, when communication between scientists in the Soviet Union and in the West was restricted. Nevertheless, Soviet physicists had a strong influence on Wilson’s work.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"19 11","pages":"1525-1526"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71524564","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}
引用次数: 0
Fifty years of Wilsonian renormalization and counting 威尔逊重整化和计数五十年
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02208-y
Philip W. Phillips
{"title":"Fifty years of Wilsonian renormalization and counting","authors":"Philip W. Phillips","doi":"10.1038/s41567-023-02208-y","DOIUrl":"10.1038/s41567-023-02208-y","url":null,"abstract":"Renormalization began as a tool to eliminate divergences in quantum electrodynamics, but it is now the basis of our understanding of physics at different energy scales. Here, I review its evolution with an eye towards physics beyond the Wilsonian paradigm.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"19 11","pages":"1521-1524"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71524300","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}
引用次数: 0
Electron spin finds a fresh excitation 电子自旋找到了新的激发
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02265-3
Jörg Kröger, Takashi Uchihashi
{"title":"Electron spin finds a fresh excitation","authors":"Jörg Kröger,&nbsp;Takashi Uchihashi","doi":"10.1038/s41567-023-02265-3","DOIUrl":"10.1038/s41567-023-02265-3","url":null,"abstract":"The Kondo effect — the screening of an impurity spin by conduction electrons — is a fundamental many-body effect. However, recent experiments combined with simulations have caused a long-standing model system for the single-atom Kondo effect to fail.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 1","pages":"4-5"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71524177","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}
引用次数: 0
Supersymmetric renormalization group flow 超对称重整化群流
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02263-5
Jaewon Song
{"title":"Supersymmetric renormalization group flow","authors":"Jaewon Song","doi":"10.1038/s41567-023-02263-5","DOIUrl":"10.1038/s41567-023-02263-5","url":null,"abstract":"Supersymmetric quantum field theories have special properties that make them easier to study. This Comment discusses how the constraints that supersymmetry places on renormalization group flows have been used to study strongly coupled field theories.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"19 11","pages":"1530-1532"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71524302","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}
引用次数: 0
The gravity of quantum thermalization 量子热化的引力
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02287-x
Richard Brierley
{"title":"The gravity of quantum thermalization","authors":"Richard Brierley","doi":"10.1038/s41567-023-02287-x","DOIUrl":"10.1038/s41567-023-02287-x","url":null,"abstract":"","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"19 11","pages":"1558-1558"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71524178","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}
引用次数: 0
Gravity is attractive 引力是有吸引力的
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02292-0
Stefanie Reichert
{"title":"Gravity is attractive","authors":"Stefanie Reichert","doi":"10.1038/s41567-023-02292-0","DOIUrl":"10.1038/s41567-023-02292-0","url":null,"abstract":"","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"19 11","pages":"1549-1549"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72364697","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}
引用次数: 0
Rigorous renormalization group 严格重整化群
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2023-11-09 DOI: 10.1038/s41567-023-02233-x
Antti Kupiainen
{"title":"Rigorous renormalization group","authors":"Antti Kupiainen","doi":"10.1038/s41567-023-02233-x","DOIUrl":"10.1038/s41567-023-02233-x","url":null,"abstract":"The renormalization group evolved from ad hoc procedures to cope with divergences in perturbative calculations. This Comment summarizes efforts to develop a mathematically rigorous approach to renormalization group calculations.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"19 11","pages":"1539-1541"},"PeriodicalIF":19.6,"publicationDate":"2023-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72364976","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}
引用次数: 0
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