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Generalized uncertainty relations for multiple measurements 多重测量的广义不确定度关系
AAPPS Bulletin Pub Date : 2022-08-15 DOI: 10.1007/s43673-022-00054-3
Lin Wu, Xue-Ke Song, Liu Ye, Dong Wang
{"title":"Generalized uncertainty relations for multiple measurements","authors":"Lin Wu,&nbsp;Xue-Ke Song,&nbsp;Liu Ye,&nbsp;Dong Wang","doi":"10.1007/s43673-022-00054-3","DOIUrl":"10.1007/s43673-022-00054-3","url":null,"abstract":"<div><p>The uncertainty relation is regarded as a remarkable feature of quantum mechanics differing from the classical counterpart, and it plays a backbone role in the region of quantum information theory. In principle, the uncertainty relation offers a nontrivial limit to predict the outcome of arbitrarily incompatible observed variables. Therefore, to pursue a more general uncertainty relations ought to be considerably important for obtaining accurate predictions of multi-observable measurement results in genuine multipartite systems. In this article, we derive a generalized entropic uncertainty relation (EUR) for multi-measurement in a multipartite framework. It is proved that the bound we proposed is stronger than the one derived from Renes et al. in [Phys. Rev. Lett. 103,020402(2009) ] for the arbitrary multipartite case. As an illustration, we take several typical scenarios that confirm that our proposed bound outperforms that presented by Renes et al. Hence, we believe our findings provide generalized uncertainty relations with regard to multi-measurement setting, and facilitate the EUR’s applications on quantum precision measurement regarding genuine multipartite systems.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00054-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72845743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time reversal and reciprocity 时间逆转和互惠
AAPPS Bulletin Pub Date : 2022-08-03 DOI: 10.1007/s43673-022-00053-4
Olivier Sigwarth, Christian Miniatura
{"title":"Time reversal and reciprocity","authors":"Olivier Sigwarth,&nbsp;Christian Miniatura","doi":"10.1007/s43673-022-00053-4","DOIUrl":"10.1007/s43673-022-00053-4","url":null,"abstract":"<div><p>In this paper, we review and discuss the main properties of the time-reversal operator T and its action in classical electromagnetism and in quantum mechanics. In particular, we discuss the relation (and differences) between time-reversal invariance and reciprocity.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00053-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76821521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Constraining active-sterile neutrino mixing via lepton flavor violating decays of mesons 通过介子的轻子味道违反衰变来约束主动-轻子中微子混合
AAPPS Bulletin Pub Date : 2022-08-01 DOI: 10.1007/s43673-022-00051-6
Shiyong Hu, Sam Ming-Yin Wong, Fanrong Xu
{"title":"Constraining active-sterile neutrino mixing via lepton flavor violating decays of mesons","authors":"Shiyong Hu,&nbsp;Sam Ming-Yin Wong,&nbsp;Fanrong Xu","doi":"10.1007/s43673-022-00051-6","DOIUrl":"10.1007/s43673-022-00051-6","url":null,"abstract":"<div><p>As a hypothetic particle, a sterile neutrino can exist in types of new physics models. In this work by investigating flavor violating semileptonic and leptonic decays of <i>K</i>,<i>D</i>, and <i>B</i> mesons induced by the GeV scale sterile neutrino, we explore its allowed regions in parameter space. Analytically, we derive branching fractions of semileptonic decay <span>(M^{+}_{h}to M_{l}^{+}ell _{1}^{+}ell _{2}^{-})</span> and leptonic decay <span>(M^{0}to ell _{1}^{-}ell _{2}^{+})</span>, including the contribution from a new box diagram contribution due to the massive sterile neutrino. Imposing its mass ranges, we numerically analyze the active-sterile neutrino mixings in corresponding regions. We find that when the sterile neutrino mass is located in between pion and kaon mass, <i>K</i><sup>+</sup>→<i>π</i><sup>+</sup><i>e</i><sup>±</sup><i>μ</i><sup>∓</sup> gives the strongest constraint while <i>B</i><sup>+</sup>→<i>π</i><sup>+</sup><i>e</i><sup>±</sup><i>μ</i><sup>∓</sup> provides the dominated constraint when its mass in between of kaon and <i>B</i> meson. If the sterile neutrino is even heavier than <i>B</i>mesons, the LHCb <span>(B^{0}_{s}to mu ^{pm } e^{mp })</span> results gives the strongest constraint.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00051-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80952980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
News and Views (7&8) 新闻与观点 (7&8)
AAPPS Bulletin Pub Date : 2022-07-26 DOI: 10.1007/s43673-022-00052-5
AAPPS Bulletin
{"title":"News and Views (7&8)","authors":"AAPPS Bulletin","doi":"10.1007/s43673-022-00052-5","DOIUrl":"10.1007/s43673-022-00052-5","url":null,"abstract":"","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00052-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75126182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding the Mott insulating state in 1T-TaS2 and 1T-TaSe2 了解 1T-TaS2 和 1T-TaSe2 中的莫特绝缘态
AAPPS Bulletin Pub Date : 2022-07-19 DOI: 10.1007/s43673-022-00049-0
Ying Fei, Zongxiu Wu, Wenhao Zhang, Yi Yin
{"title":"Understanding the Mott insulating state in 1T-TaS2 and 1T-TaSe2","authors":"Ying Fei,&nbsp;Zongxiu Wu,&nbsp;Wenhao Zhang,&nbsp;Yi Yin","doi":"10.1007/s43673-022-00049-0","DOIUrl":"10.1007/s43673-022-00049-0","url":null,"abstract":"<div><p>In this article, we review the recent progress of the scanning tunneling microscopy studies of 1<i>T</i>-TaS<sub>2</sub> and 1<i>T</i>-TaSe<sub>2</sub> for bulk single crystals and molecular beam epitaxy monolayer films. We focus on how to understand the Mott insulating state in the whole set of materials, even when the stacking order takes effect. Based on this understanding, we discuss tuning the Mott insulator to a metallic state with different techniques, with Mott physics information revealed from the tuning process. The Kondo physics and quantum spin liquid state of 1<i>T</i>-TaS<sub>2</sub> and 1<i>T</i>-TaSe<sub>2</sub> are further discussed. This good platform of strong correlation must bring more intriguing phenomenon and physics in the future.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00049-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73187420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 production of actinides in neutron star mergers 中子星合并中锕系元素的产生
AAPPS Bulletin Pub Date : 2022-07-15 DOI: 10.1007/s43673-022-00048-1
Meng-Ru Wu, Projjwal Banerjee
{"title":"The production of actinides in neutron star mergers","authors":"Meng-Ru Wu,&nbsp;Projjwal Banerjee","doi":"10.1007/s43673-022-00048-1","DOIUrl":"10.1007/s43673-022-00048-1","url":null,"abstract":"<div><p>Although the multimessenger detection of the neutron star merger event GW170817 confirmed that mergers are promising sites producing the majority of nature’s heavy elements via the rapid neutron-capture process (<i>r</i>-process), a number of issues related to the production of translead nuclei—the actinides—remain to be answered. In this short review paper, we summarize the general requirements for actinide production in <i>r</i>-process and the impact of nuclear physics inputs. We also discuss recent efforts addressing the actinide production in neutron star mergers from different perspectives, including signatures that may be probed by future kilonova and <i>γ</i>-ray observations, the abundance scattering in metal-poor stars, and constraints put by the presence of short-lived radioactive actinides in the Solar system.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00048-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85131608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Helium ion microscopy for low-damage characterization and sub-10 nm nanofabrication 用于低损伤表征和 10 纳米以下纳米制造的氦离子显微镜
AAPPS Bulletin Pub Date : 2022-07-08 DOI: 10.1007/s43673-022-00050-7
Shinichi Ogawa
{"title":"Helium ion microscopy for low-damage characterization and sub-10 nm nanofabrication","authors":"Shinichi Ogawa","doi":"10.1007/s43673-022-00050-7","DOIUrl":"10.1007/s43673-022-00050-7","url":null,"abstract":"<div><p>This review introduces the technique of helium ion microscopy along with some unique applications of this technology in the fields of electronics and biology, as performed at the National Institute of Advanced Industrial Science and Technology, Japan, over the last several years. Observations of large-scale integrated circuits, analyses of low-dielectric-constant films with minimal damage, and assessments of copper metal in insulating films are discussed. The special characteristics of this technique are explained, including low-energy input to the material and minimal secondary electron energy resulting from helium ion irradiation. Applications to electronic materials, such as tuning the electrical conductivity of graphene films by helium ion beam irradiation and the formation of nanopore arrays on graphene films with nanometer-scale control, are presented. The use of helium ion microscopy to examine cellular tissues based on the low damage imparted by the ion beam is also evaluated.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00050-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91486615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A geometrical framework for quantum incompatibility resources 量子不相容资源的几何框架
AAPPS Bulletin Pub Date : 2022-06-10 DOI: 10.1007/s43673-022-00047-2
Xiaolin Zhang, Rui Qu, Zehong Chang, Quan Quan, Hong Gao, Fuli Li, Pei Zhang
{"title":"A geometrical framework for quantum incompatibility resources","authors":"Xiaolin Zhang,&nbsp;Rui Qu,&nbsp;Zehong Chang,&nbsp;Quan Quan,&nbsp;Hong Gao,&nbsp;Fuli Li,&nbsp;Pei Zhang","doi":"10.1007/s43673-022-00047-2","DOIUrl":"10.1007/s43673-022-00047-2","url":null,"abstract":"<div><p>Quantum incompatibility is a fundamental property in quantum physics and is considered as a resource in quantum information processing tasks. Here, we construct a framework based on the incompatibility witness originated from quantum state discrimination. In this framework, we discuss the geometrical properties of the witnesses with noisy mutually unbiased bases and construct a quantifier of quantum incompatibility associated with geometrical information. Furthermore, we explore the incompatibility of a pair of positive operator valued measurements, which only depends on the information of measurements, and discuss the incompatibility of measurements which can be discriminated by mutually unbiased bases. Finally, if we take a resource-theory perspective, the new-defined quantifier can characterize the resource of incompatibility. This geometrical framework gives the evidence that vectors can be utilized to describe resourceful incompatibility and make a step to explore geometrical features of quantum resources.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00047-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76444610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
News and Views (5&6) 新闻与观点 (5&6)
AAPPS Bulletin Pub Date : 2022-06-02 DOI: 10.1007/s43673-022-00044-5
AAPPS Bulletin
{"title":"News and Views (5&6)","authors":"AAPPS Bulletin","doi":"10.1007/s43673-022-00044-5","DOIUrl":"10.1007/s43673-022-00044-5","url":null,"abstract":"","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00044-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83383535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of technical achievements in PAL-XFEL PAL-XFEL 技术成果回顾
AAPPS Bulletin Pub Date : 2022-06-01 DOI: 10.1007/s43673-022-00045-4
Changbum Kim, Sung-Ju Park, Chang-Ki Min, Jinyul Hu, Sang-Hee Kim, Youngdo Joo, Hoon Heo, Dong-Eon Kim, Sojeong Lee, Heung-Sik Kang, In Soo Ko, Moonsik Chae, Jaehyun Lee
{"title":"Review of technical achievements in PAL-XFEL","authors":"Changbum Kim,&nbsp;Sung-Ju Park,&nbsp;Chang-Ki Min,&nbsp;Jinyul Hu,&nbsp;Sang-Hee Kim,&nbsp;Youngdo Joo,&nbsp;Hoon Heo,&nbsp;Dong-Eon Kim,&nbsp;Sojeong Lee,&nbsp;Heung-Sik Kang,&nbsp;In Soo Ko,&nbsp;Moonsik Chae,&nbsp;Jaehyun Lee","doi":"10.1007/s43673-022-00045-4","DOIUrl":"10.1007/s43673-022-00045-4","url":null,"abstract":"<div><p>The X-ray Free Electron Laser of Pohang Accelerator Laboratory (PAL-XFEL) was opened for the user in 2017. PAL-XFEL was the third XFEL facility in the world and well known for the small timing jitter of FEL radiation. This success was possible because of the significant achievements in the accelerator technology in PAL-XFEL. They are not limited to a small part of the accelerator but cover from the injector for the electron beam generation to the undulator line for FEL radiation. In this review, we describe the details of newly developed devices that contributed to the successful construction of PAL-XFEL.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-022-00045-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81996238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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