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Experimental reconstruction of Wigner phase-space current Wigner相空间电流的实验重建
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-29 DOI: 10.1103/physreva.108.023729
Yi-Ru Chen, Hsien-Yi Hsieh, J. Ning, Hsun-Chung Wu, H. Chen, You-Lin Chuang, Popo Yang, O. Steuernagel, Chien‐Ming Wu, Ray-Kuang Lee
{"title":"Experimental reconstruction of Wigner phase-space current","authors":"Yi-Ru Chen, Hsien-Yi Hsieh, J. Ning, Hsun-Chung Wu, H. Chen, You-Lin Chuang, Popo Yang, O. Steuernagel, Chien‐Ming Wu, Ray-Kuang Lee","doi":"10.1103/physreva.108.023729","DOIUrl":"https://doi.org/10.1103/physreva.108.023729","url":null,"abstract":"","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49285029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Microwave spectroscopy of low-l singlet strontium Rydberg states at intermediate n, 50 中间n, 50时低l单重态锶里德伯态的微波光谱
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-28 DOI: 10.1103/physreva.108.022815
R. Brienza, Y. Lu, C. Wang, S. Kanungo, T. Killian, F. Dunning, J. Burgdörfer, S. Yoshida
{"title":"Microwave spectroscopy of low-l singlet strontium Rydberg states at intermediate n, 50","authors":"R. Brienza, Y. Lu, C. Wang, S. Kanungo, T. Killian, F. Dunning, J. Burgdörfer, S. Yoshida","doi":"10.1103/physreva.108.022815","DOIUrl":"https://doi.org/10.1103/physreva.108.022815","url":null,"abstract":"","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48480175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Spin-squeezed Gottesman-Kitaev-Preskill codes for quantum error correction in atomic ensembles 原子系综中用于量子纠错的自旋压缩Gottesman-Kitaev-Preskill码
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-28 DOI: 10.1103/physreva.108.022428
S. Omanakuttan, T. Volkoff
{"title":"Spin-squeezed Gottesman-Kitaev-Preskill codes for quantum error correction in atomic ensembles","authors":"S. Omanakuttan, T. Volkoff","doi":"10.1103/physreva.108.022428","DOIUrl":"https://doi.org/10.1103/physreva.108.022428","url":null,"abstract":"","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48121267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Entanglement verification with deep semisupervised machine learning 基于深度半监督机器学习的纠缠验证
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-28 DOI: 10.1103/PhysRevA.108.022427
Lifeng Zhang, Zhihua Chen, S. Fei
{"title":"Entanglement verification with deep semisupervised machine learning","authors":"Lifeng Zhang, Zhihua Chen, S. Fei","doi":"10.1103/PhysRevA.108.022427","DOIUrl":"https://doi.org/10.1103/PhysRevA.108.022427","url":null,"abstract":"Quantum entanglement lies at the heart in quantum information processing tasks. Although many criteria have been proposed, efficient and scalable methods to detect the entanglement of generally given quantum states are still not available yet, particularly for high-dimensional and multipartite quantum systems. Based on FixMatch and Pseudo-Label method, we propose a deep semi-supervised learning model with a small portion of labeled data and a large portion of unlabeled data. The data augmentation strategies are applied in this model by using the convexity of separable states and performing local unitary operations on the training data. We verify that our model has good generalization ability and gives rise to better accuracies compared to traditional supervised learning models by detailed examples.","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44075381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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: 1
Superposition-state generation of nonorthogonal wavelike and particlelike states without ancillary qubits 无辅助量子位的非正交波态和粒子态的叠加态生成
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-28 DOI: 10.1103/physreva.108.022221
Jian Li, Xiao-Xiao Chen, Zhe Meng, Jia-Zhi Yang, Qingyue Wu, An-Ning Zhang, Qing Zhao
{"title":"Superposition-state generation of nonorthogonal wavelike and particlelike states without ancillary qubits","authors":"Jian Li, Xiao-Xiao Chen, Zhe Meng, Jia-Zhi Yang, Qingyue Wu, An-Ning Zhang, Qing Zhao","doi":"10.1103/physreva.108.022221","DOIUrl":"https://doi.org/10.1103/physreva.108.022221","url":null,"abstract":"","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45953760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Photon-varied quantum states: Unified characterization 光子变量子态:统一表征
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-25 DOI: 10.1103/physreva.108.022425
Stefano Guerrini, M. Win, A. Conti
{"title":"Photon-varied quantum states: Unified characterization","authors":"Stefano Guerrini, M. Win, A. Conti","doi":"10.1103/physreva.108.022425","DOIUrl":"https://doi.org/10.1103/physreva.108.022425","url":null,"abstract":"This paper introduces photon-varied quantum states (PVQSs), which generalize the nonclassical states obtained via photon addition or subtraction operations. We provide a unified characterization of PVQSs in terms of characteristic function, quasiprobability distribution, Fock representation, and Mandel Q parameter. In the special case of photon-varied Gaussian states (PVGSs), the characteristic functions and the quasiprobability distributions are found to be in a simple canonical product structure. Necessary and sufficient conditions for the negativity of the quasiprobability distributions are also obtained for PVGSs. The unified characterization enables the design and analysis of quantum systems that exploit the non-Gaussian properties of PVQSs.","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43201682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Ability of loss to increase the spatial coherence of guided waves 损耗增加导波空间相干性的能力
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-25 DOI: 10.1103/physreva.108.023522
P. Brandão
{"title":"Ability of loss to increase the spatial coherence of guided waves","authors":"P. Brandão","doi":"10.1103/physreva.108.023522","DOIUrl":"https://doi.org/10.1103/physreva.108.023522","url":null,"abstract":"","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48707020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Vacuum-induced quantum-beat-enabled photon antibunching 真空诱导量子拍频光子反聚束
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-25 DOI: 10.1103/physreva.108.023727
Zhiming Wu, Jiahua Li, Ying-Li Wu
{"title":"Vacuum-induced quantum-beat-enabled photon antibunching","authors":"Zhiming Wu, Jiahua Li, Ying-Li Wu","doi":"10.1103/physreva.108.023727","DOIUrl":"https://doi.org/10.1103/physreva.108.023727","url":null,"abstract":"","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47775450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Solid-state Th229 nuclear laser with two-photon pumping 双光子泵浦固体Th229核激光器
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-24 DOI: 10.1103/PhysRevA.108.L021502
Haowei Xu, Hao Tang, Guoqing Wang, Changhao Li, Boning Li, P. Cappellaro, Ju Li
{"title":"Solid-state Th229 nuclear laser with two-photon pumping","authors":"Haowei Xu, Hao Tang, Guoqing Wang, Changhao Li, Boning Li, P. Cappellaro, Ju Li","doi":"10.1103/PhysRevA.108.L021502","DOIUrl":"https://doi.org/10.1103/PhysRevA.108.L021502","url":null,"abstract":"The radiative excitation of the 8.3 eV isomeric state of thorium-229 is an outstanding challenge due to the lack of tunable far-ultraviolet (F-UV) sources. In this work, we propose an efficient two-photon pumping scheme for thorium-229 using the optonuclear quadrupolar effect, which only requires a 300 nm UV-B pumping laser. We further demonstrate that population inversion between the nuclear isomeric and ground states can be achieved at room temperature using a two-step pumping process. The nuclear laser, which has been pursued for decades, may be realized using a Watt-level UV-B pumping laser and ultrawide bandgap thorium compounds (e.g., $rm ThF_4$, $rm Na_2ThF_6$, or $rm K_2ThF_6$) as the gain medium.","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44101848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Impact of spatially periodic inhomogeneities on the photon-induced pair creation 空间周期性不均匀性对光子诱导对产生的影响
IF 2.9 2区 物理与天体物理
Physical Review a Pub Date : 2023-08-24 DOI: 10.1103/physreva.108.022813
M. Jiang, R. Grobe, Q. Su
{"title":"Impact of spatially periodic inhomogeneities on the photon-induced pair creation","authors":"M. Jiang, R. Grobe, Q. Su","doi":"10.1103/physreva.108.022813","DOIUrl":"https://doi.org/10.1103/physreva.108.022813","url":null,"abstract":"","PeriodicalId":48702,"journal":{"name":"Physical Review a","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42954171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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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