The European Physical Journal H最新文献

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EUROGRAV 1986–1989: the first attempts for a European Interferometric Gravitational Wave Observatory 1986-1989年:欧洲干涉引力波天文台的第一次尝试
IF 1 4区 物理与天体物理
The European Physical Journal H Pub Date : 2022-03-11 DOI: 10.1140/epjh/s13129-022-00036-x
Adele La Rana
{"title":"EUROGRAV 1986–1989: the first attempts for a European Interferometric Gravitational Wave Observatory","authors":"Adele La Rana","doi":"10.1140/epjh/s13129-022-00036-x","DOIUrl":"10.1140/epjh/s13129-022-00036-x","url":null,"abstract":"<div><p>At the turn of the 1980s and 1990s, on the eve of the great leap in scale from the resonant bars to the long-baseline interferometers LIGO and Virgo, the four European groups then engaged in the field of interferometric gravitational wave detection in Germany, UK, France and Italy tried to set up a common strategy, with the aim of establishing a network of three long-based antennas in Europe. The paper analyzes the main causes of the failure of those early plans. An attempt is made to outline the parallels and differences with the current times, on the eve of the new leap of scale toward the third generation of gravitational wave interferometers, while the negotiations for the European-born project Einstein Telescope are taking place.</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"47 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1140/epjh/s13129-022-00036-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4471314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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: 1
Hans Zocher and mineral liquid crystals Hans Zocher和矿物液晶
IF 1 4区 物理与天体物理
The European Physical Journal H Pub Date : 2022-01-13 DOI: 10.1140/epjh/s13129-021-00035-4
Anatoly S. Sonin, Natalia A. Churochkina, Andrei A. Sonin
{"title":"Hans Zocher and mineral liquid crystals","authors":"Anatoly S. Sonin,&nbsp;Natalia A. Churochkina,&nbsp;Andrei A. Sonin","doi":"10.1140/epjh/s13129-021-00035-4","DOIUrl":"10.1140/epjh/s13129-021-00035-4","url":null,"abstract":"<div><p>We carry out a detailed analysis of the contribution of the outstanding liquid crystal scientist Hans Zocher to the study of mineral mesophases. The work is placed in the context of progress achieved by the liquid crystal scientists, who conducted research both before and after Zocher. The article also includes a brief scientific biography of Zocher.</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"47 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1140/epjh/s13129-021-00035-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4533840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Indistinguishable elements in the origins of quantum statistics. The case of Fermi–Dirac statistics 量子统计学起源中的不可区分元素。费米-狄拉克统计的例子
IF 1 4区 物理与天体物理
The European Physical Journal H Pub Date : 2022-01-05 DOI: 10.1140/epjh/s13129-021-00033-6
Enric Pérez, Joana Ibáñez
{"title":"Indistinguishable elements in the origins of quantum statistics. The case of Fermi–Dirac statistics","authors":"Enric Pérez,&nbsp;Joana Ibáñez","doi":"10.1140/epjh/s13129-021-00033-6","DOIUrl":"10.1140/epjh/s13129-021-00033-6","url":null,"abstract":"<div><p>In this paper, we deal with the historical origins of Fermi–Dirac statistics, focusing on the contribution by Enrico Fermi of 1926. We argue that this statistics, as opposed to that of Bose–Einstein, has been somewhat overlooked in the usual accounts of the old quantum theory. Our main objective is to offer a critical analysis of Fermi’s seminal paper and its immediate impact. Secondly, we are also interested in assessing the status of the particle concept in the years 1926–1927, especially regarding the germ of quantum indistinguishability. We will see, for example, that the first applications of the Fermi–Dirac statistics to the study of metals or stellar matter had a technical nature, and that their main instigators barely touched upon interpretative matters. Finally, we will discuss the reflections and remarks made in these respects in two famous events in physics of 1927, the Como conference and the fifth Solvay congress.\u0000</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"47 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2022-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1140/epjh/s13129-021-00033-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4208672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Boltzmann’s reply to the Loschmidt paradox: a commented translation 玻尔兹曼对洛什密特悖论的回答:注释译文
IF 0.8 4区 物理与天体物理
The European Physical Journal H Pub Date : 2021-11-26 DOI: 10.1140/epjh/s13129-021-00029-2
Olivier Darrigol
{"title":"Boltzmann’s reply to the Loschmidt paradox: a commented translation","authors":"Olivier Darrigol","doi":"10.1140/epjh/s13129-021-00029-2","DOIUrl":"10.1140/epjh/s13129-021-00029-2","url":null,"abstract":"<div><p>Boltzmann’s reply to Loschmidt’s reversibility paradox (1877) has baffled many readers, owing to imprecise language and unproven assumptions. Based on a new translation and detailed commentary, it will be shown that this text nevertheless contains the essentials of a correct, insightful interpretation of thermodynamic irreversibility in statistico-mechanical context.</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78551843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
E. Schrödinger’s 1931 paper “On the Reversal of the Laws of Nature” [“Über die Umkehrung der Naturgesetze”, Sitzungsberichte der preussischen Akademie der Wissenschaften, physikalisch-mathematische Klasse, 8 N9 144–153] E.薛定谔 1931 年的论文 "论自然规律的逆转"["Uber die Umkehrung der Naturgesetze",Sitzungsberichte der preussischen Akademie der Wissenschaften, physikalisch-mathemische Klasse, 8 N9 144-153] (《关于自然规律的逆转》)。
IF 0.8 4区 物理与天体物理
The European Physical Journal H Pub Date : 2021-11-22 DOI: 10.1140/epjh/s13129-021-00032-7
Raphaël Chetrite, Paolo Muratore-Ginanneschi, Kay Schwieger
{"title":"E. Schrödinger’s 1931 paper “On the Reversal of the Laws of Nature” [“Über die Umkehrung der Naturgesetze”, Sitzungsberichte der preussischen Akademie der Wissenschaften, physikalisch-mathematische Klasse, 8 N9 144–153]","authors":"Raphaël Chetrite,&nbsp;Paolo Muratore-Ginanneschi,&nbsp;Kay Schwieger","doi":"10.1140/epjh/s13129-021-00032-7","DOIUrl":"10.1140/epjh/s13129-021-00032-7","url":null,"abstract":"<div><p>We present an English translation of Erwin Schrödinger’s paper on “On the Reversal of the Laws of Nature‘’. In this paper, Schrödinger analyses the idea of time reversal of a diffusion process. Schrödinger’s paper acted as a prominent source of inspiration for the works of Bernstein on reciprocal processes and of Kolmogorov on time reversal properties of Markov processes and detailed balance. The ideas outlined by Schrödinger also inspired the development of probabilistic interpretations of quantum mechanics by Fényes, Nelson and others as well as the notion of “Euclidean Quantum Mechanics” as probabilistic analogue of quantization. In the second part of the paper, Schrödinger discusses the relation between time reversal and statistical laws of physics. We emphasize in our commentary the relevance of Schrödinger’s intuitions for contemporary developments in statistical nano-physics.\u0000</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1140/epjh/s13129-021-00032-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77250750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Half-a-century of gamma-ray astrophysics at the Max-Planck Institute for Extraterrestrial Physics 马克斯-普朗克地外物理研究所半个世纪的伽马射线天体物理学研究
IF 0.8 4区 物理与天体物理
The European Physical Journal H Pub Date : 2021-10-30 DOI: 10.1140/epjh/s13129-021-00031-8
Volker Schönfelder, Jochen Greiner
{"title":"Half-a-century of gamma-ray astrophysics at the Max-Planck Institute for Extraterrestrial Physics","authors":"Volker Schönfelder,&nbsp;Jochen Greiner","doi":"10.1140/epjh/s13129-021-00031-8","DOIUrl":"10.1140/epjh/s13129-021-00031-8","url":null,"abstract":"<div><p>Gamma-ray astronomy has been one of the prime scientific research fields of the Max-Planck Institute for Extraterrestrial Physics (MPE) from its beginning. Over the years, the entire gamma-ray energy range accessible from space was explored. The purpose of this review article is to summarise the achievements of the gamma-ray group at MPE during the last 50+ years. This covers a substantial part of the general history of space-based gamma-ray astronomy, for which both, general review articles (e.g. Pinkau in Exp Astron 5: 157, 2009; Schönfelder in AN 323: 524, 2002; Trimble in AIP Conf Proc 304: 40, 1994) and a detailed tabular list of events and missions (Leonard and Gehrels in https://heasarc.gsfc.nasa.gov/docs/history, version 1.0.8, 2009), have been compiled. Here, we describe the gamma-ray activities at MPE from the beginning till the present, reviewing the tight interplay between new technological developments towards new instruments and scientific progress in understanding gamma-ray sources in the sky. This covers (i) the early development of instruments and their tests on half a dozen balloon flights, (ii) the involvement in the most important space missions at the time, i.e. ESA’s COS-B satellite, NASA’s Compton Gamma-ray Observatory and Fermi Space Telescope, as well as ESA’s INTEGRAL observatory, (iii) the participation in several other missions such as TD-1, Solar Maximum Mission, or Ulysses, and (iv) the complementary ground-based optical instruments OPTIMA and GROND to enhance selected science topics (pulsars, gamma-ray bursts). With the gradual running-out of institutional support since 2010, gamma-ray astrophysics as a main research field has now come to an end at MPE.</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1140/epjh/s13129-021-00031-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81957808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 early years of quantum Monte Carlo (2): finite-temperature simulations 量子蒙特卡洛早期(2):有限温度模拟
IF 0.8 4区 物理与天体物理
The European Physical Journal H Pub Date : 2021-09-14 DOI: 10.1140/epjh/s13129-021-00026-5
Michel Mareschal
{"title":"The early years of quantum Monte Carlo (2): finite-temperature simulations","authors":"Michel Mareschal","doi":"10.1140/epjh/s13129-021-00026-5","DOIUrl":"10.1140/epjh/s13129-021-00026-5","url":null,"abstract":"<div><p>In this article, we present the second part of our historical survey on quantum Monte Carlo methods. We focus on the simulations performed at a finite temperature and based on Feynman’s path-integral formulation of quantum mechanics. We introduce the method and insist on the central role played by the description of the transition to superfluidity for Helium 4.</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77603521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
How to model phase transitions? The changing approaches 1937–1970 如何建立相变模型?1937-1970年不断变化的方法
IF 0.8 4区 物理与天体物理
The European Physical Journal H Pub Date : 2021-09-07 DOI: 10.1140/epjh/s13129-021-00024-7
Martin Niss
{"title":"How to model phase transitions? The changing approaches 1937–1970","authors":"Martin Niss","doi":"10.1140/epjh/s13129-021-00024-7","DOIUrl":"10.1140/epjh/s13129-021-00024-7","url":null,"abstract":"<div><p>The paper aims at characterising and documenting a fundamental change in how phase transitions were modelled microscopically in the period 1937–1970. At first, physicists took what will be called <i>a naturalistic approach</i> to phase transitions such as the condensation of gases and the Curie point of ferromagnets. Here the purpose was to explain the phenomenon in question, i.e., to show that a model exhibits the same features as the phenomenon. The scope of this approach was broad, as the goal was to account for several aspects of the phenomenon. The employed model should be very realistic and close to the foundational theory, be it classical or quantum mechanics. In the 1960s, the physicists used an alternative approach that they termed <i>a caricature approach. </i>This approach not only required explanation in the above sense but also understanding of the physical phenomenon, i.e. insights into why the phenomenon behaves as it does. The scope was limited to certain aspects of the phenomenon, such as the behaviour near the critical point. The caricature approach used a hierarchy of models, ranging from realistic ones over more simplified models to models that were mere caricatures of the system in question. Hence, the two approaches represent very different orientations when it comes to the purpose and scope, the organisation of the resulting theories, and what models are acceptable.\u0000</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78059265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Henry Cavendish and the effect of gravity on propagation of light: a postscript 亨利-卡文迪什与重力对光传播的影响:后记
IF 0.8 4区 物理与天体物理
The European Physical Journal H Pub Date : 2021-09-02 DOI: 10.1140/epjh/s13129-021-00027-4
Karl-Heinz Lotze, Silvia Simionato
{"title":"Henry Cavendish and the effect of gravity on propagation of light: a postscript","authors":"Karl-Heinz Lotze,&nbsp;Silvia Simionato","doi":"10.1140/epjh/s13129-021-00027-4","DOIUrl":"10.1140/epjh/s13129-021-00027-4","url":null,"abstract":"<div><p>This paper is devoted to two hitherto unpublished original documents by Henry Cavendish (1731–1810) which provide insight into his calculations of the deflection of light by isolated celestial bodies. Together with a transcription of these documents, we comment on their contents in the present-day language of physics. Moreover, we compare them with a paper by Johann Georg von Soldner (1776–1833) on the same subject.\u0000</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1140/epjh/s13129-021-00027-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73613191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Chronicle of the discovery of the back-bending phenomenon in atomic nuclei: a personal recollection 50 years on 发现原子核反弯曲现象纪事:50 年后的个人回忆
IF 0.8 4区 物理与天体物理
The European Physical Journal H Pub Date : 2021-08-31 DOI: 10.1140/epjh/s13129-021-00023-8
Hans Ryde
{"title":"Chronicle of the discovery of the back-bending phenomenon in atomic nuclei: a personal recollection 50 years on","authors":"Hans Ryde","doi":"10.1140/epjh/s13129-021-00023-8","DOIUrl":"10.1140/epjh/s13129-021-00023-8","url":null,"abstract":"<div><p>A chronicle describing the historical context and the development of ideas and experiments leading to the discovery of the back-bending phenomenon in rapidly rotating atomic nuclei some 50 years ago is presented. The moment of inertia of some atomic nuclei increases anomalously at a certain rotational frequency, revealing important clues to our understanding of nuclear structure. I highlight the decisive interactions and contacts between experimentalists and theorists, which created the right environment, allowing for the revelation of an undetected phenomenon in Nature. Finally, I reflect on the key points allowing for the discovery and particularly point to the importance of systematic surveys, which in this case investigated the energy levels in heavy nuclei of a large sample of elements, as well as to the accuracy of the measurements of the ground state levels made at the time.</p></div>","PeriodicalId":791,"journal":{"name":"The European Physical Journal H","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1140/epjh/s13129-021-00023-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74535445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
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