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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
Universal dynamics exposed by interaction quenches 相互作用淬火所揭示的普遍动力学
IF 17.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-14 DOI: 10.1038/s41567-024-02704-9
Chandrasekhar Ramanathan
{"title":"Universal dynamics exposed by interaction quenches","authors":"Chandrasekhar Ramanathan","doi":"10.1038/s41567-024-02704-9","DOIUrl":"10.1038/s41567-024-02704-9","url":null,"abstract":"","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 12","pages":"1855-1856"},"PeriodicalIF":17.6,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142609973","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
Nematic fluctuations shape Cooper pairs 向列波动形成库珀对
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-13 DOI: 10.1038/s41567-024-02693-9
Lingyuan Kong
{"title":"Nematic fluctuations shape Cooper pairs","authors":"Lingyuan Kong","doi":"10.1038/s41567-024-02693-9","DOIUrl":"https://doi.org/10.1038/s41567-024-02693-9","url":null,"abstract":"Experimental evidence of nematic-fluctuation-mediated superconductivity has been observed in an iron-based superconductor near the quantum critical point.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"33 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142601271","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
Highly anisotropic superconducting gap near the nematic quantum critical point of FeSe1−xSx FeSe1-xSx 向列量子临界点附近的高各向异性超导间隙
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-13 DOI: 10.1038/s41567-024-02683-x
Pranab Kumar Nag, Kirsty Scott, Vanuildo S. de Carvalho, Journey K. Byland, Xinze Yang, Morgan Walker, Aaron G. Greenberg, Peter Klavins, Eduardo Miranda, Adrian Gozar, Valentin Taufour, Rafael M. Fernandes, Eduardo H. da Silva Neto
{"title":"Highly anisotropic superconducting gap near the nematic quantum critical point of FeSe1−xSx","authors":"Pranab Kumar Nag, Kirsty Scott, Vanuildo S. de Carvalho, Journey K. Byland, Xinze Yang, Morgan Walker, Aaron G. Greenberg, Peter Klavins, Eduardo Miranda, Adrian Gozar, Valentin Taufour, Rafael M. Fernandes, Eduardo H. da Silva Neto","doi":"10.1038/s41567-024-02683-x","DOIUrl":"https://doi.org/10.1038/s41567-024-02683-x","url":null,"abstract":"<p>Nematic phases, in which electrons in a solid spontaneously break rotational symmetry while preserving translational symmetry, exist in several families of unconventional superconductors. Superconductivity mediated by nematic fluctuations is well established theoretically, but it has yet to be unambiguously identified experimentally. One major challenge is that nematicity is often intertwined with other degrees of freedom, such as magnetism and charge order. The FeSe<sub>1−<i>x</i></sub>S<sub><i>x</i></sub> family of superconductors provides an opportunity to explore this concept, as it features an isolated nematic phase that can be suppressed by sulfur substitution at a quantum critical point where the nematic fluctuations are the largest. Here we determine the momentum structure of the superconducting gap near the centre of the Brillouin zone in FeSe<sub>0.81</sub>S<sub>0.19</sub>—close to the quantum critical point—and find that it is anisotropic and nearly nodal. The gap minima occur in a direction that is rotated 45° with respect to the Fe–Fe direction, unlike the usual isotropic gaps due to spin-mediated pairing in other tetragonal Fe-based superconductors. Instead, we find that the gap structure agrees with theoretical predictions for superconductivity mediated by nematic fluctuations, indicating a change in the pairing mechanism across the phase diagram of FeSe<sub>1−<i>x</i></sub>S<sub><i>x</i></sub>.</p>","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"3 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142601273","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
Islands identified 确定的岛屿
IF 17.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-13 DOI: 10.1038/s41567-024-02670-2
Guosheng Xu, Youwen Sun
{"title":"Islands identified","authors":"Guosheng Xu,&nbsp;Youwen Sun","doi":"10.1038/s41567-024-02670-2","DOIUrl":"10.1038/s41567-024-02670-2","url":null,"abstract":"Filamentary eruptions from the plasma edge in fusion devices pose a critical threat to their integrity. The identification of magnetic islands at the top of the edge explains how these eruptions are suppressed by resonant magnetic perturbations.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 12","pages":"1861-1862"},"PeriodicalIF":17.6,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142601272","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
A different facet to materials design 材料设计的不同侧面
IF 19.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-12 DOI: 10.1038/s41567-024-02709-4
Jordan M. Shields, Divine P. Kumah
{"title":"A different facet to materials design","authors":"Jordan M. Shields, Divine P. Kumah","doi":"10.1038/s41567-024-02709-4","DOIUrl":"https://doi.org/10.1038/s41567-024-02709-4","url":null,"abstract":"Complex oxides have competing phases with different spin, electronic and orbital order. Now it has been shown that growing thin films on different facets of a low-symmetry substrate can be used to control the phase of the ground state.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"65 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142599116","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
Climate record gets hot update 气候记录得到热更新
IF 17.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-11 DOI: 10.1038/s41567-024-02691-x
Mark Buchanan
{"title":"Climate record gets hot update","authors":"Mark Buchanan","doi":"10.1038/s41567-024-02691-x","DOIUrl":"10.1038/s41567-024-02691-x","url":null,"abstract":"","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 11","pages":"1690-1690"},"PeriodicalIF":17.6,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142599009","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
Artificial boundaries 人工边界
IF 17.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-11 DOI: 10.1038/s41567-024-02717-4
{"title":"Artificial boundaries","authors":"","doi":"10.1038/s41567-024-02717-4","DOIUrl":"10.1038/s41567-024-02717-4","url":null,"abstract":"The 2024 Nobel prize for Physics was awarded for foundational contributions to the development of artificial neural networks. The award reflects a shift in how we understand boundaries between scientific fields — or whether such boundaries are still useful at all.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 11","pages":"1689-1689"},"PeriodicalIF":17.6,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41567-024-02717-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142599025","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
The span of space 空间的跨度
IF 17.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-11 DOI: 10.1038/s41567-024-02684-w
Richard I. Anderson
{"title":"The span of space","authors":"Richard I. Anderson","doi":"10.1038/s41567-024-02684-w","DOIUrl":"10.1038/s41567-024-02684-w","url":null,"abstract":"Twinkle, twinkle little star, tell me just how far you are. Richard I. Anderson discusses standard candles and their applications.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 11","pages":"1841-1841"},"PeriodicalIF":17.6,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142599021","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
Orbital fails to take flight 轨道飞行失败
IF 17.6 1区 物理与天体物理
Nature Physics Pub Date : 2024-11-11 DOI: 10.1038/s41567-024-02688-6
Anita Chandran, Hilary Lamb
{"title":"Orbital fails to take flight","authors":"Anita Chandran,&nbsp;Hilary Lamb","doi":"10.1038/s41567-024-02688-6","DOIUrl":"10.1038/s41567-024-02688-6","url":null,"abstract":"","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"20 11","pages":"1691-1691"},"PeriodicalIF":17.6,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142599029","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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