Subjects -> PHYSICS (Total: 857 journals)
    - ELECTRICITY AND MAGNETISM (10 journals)
    - MECHANICS (22 journals)
    - NUCLEAR PHYSICS (53 journals)
    - OPTICS (92 journals)
    - PHYSICS (625 journals)
    - SOUND (25 journals)
    - THERMODYNAMICS (30 journals)

PHYSICS (625 journals)            First | 1 2 3 4     

Showing 601 - 741 of 741 Journals sorted alphabetically
Tectonics     Full-text available via subscription   (Followers: 15)
The European Physical Journal H     Hybrid Journal   (Followers: 2)
The European Physical Journal Plus     Open Access   (Followers: 1)
The Physics Teacher     Full-text available via subscription   (Followers: 360)
Theoretical and Computational Fluid Dynamics     Hybrid Journal   (Followers: 22)
Theoretical and Mathematical Physics     Hybrid Journal   (Followers: 8)
Thermal Science and Engineering Progress     Open Access   (Followers: 6)
Transport Phenomena in Nano and Micro Scales     Open Access  
Tribologie und Schmierungstechnik     Full-text available via subscription  
Tribology International     Hybrid Journal   (Followers: 47)
Tribology Letters     Hybrid Journal   (Followers: 9)
Turkish Journal of Physics     Open Access  
Ultrasonics     Hybrid Journal   (Followers: 9)
Ultrasonics Sonochemistry     Hybrid Journal   (Followers: 2)
Ultrasound in Medicine & Biology     Hybrid Journal   (Followers: 10)
Universal Journal of Physics and Application     Open Access  
Unnes Physics Education Journal     Open Access   (Followers: 1)
Vibration     Open Access   (Followers: 30)
Virtual Journal of Quantum Information     Hybrid Journal   (Followers: 3)
Water Waves     Hybrid Journal  
Western Journal of Communication     Hybrid Journal   (Followers: 5)
Women & Performance: a journal of feminist theory     Hybrid Journal   (Followers: 15)
World Journal of Condensed Matter Physics     Open Access   (Followers: 2)
Zeitschrift für angewandte Mathematik und Physik     Hybrid Journal   (Followers: 2)
Фізика і хімія твердого тіла     Open Access  

  First | 1 2 3 4     

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The European Physical Journal H
Journal Prestige (SJR): 0.307
Citation Impact (citeScore): 1
Number of Followers: 2  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 2102-6459 - ISSN (Online) 2102-6467
Published by Springer-Verlag Homepage  [2468 journals]
  • The 50th anniversary of the coupled channels Born approximation (CCBA) and
           the coupled reaction channels (CRC) theories of nucleon transfer reactions
           (a unique interplay between theory, experiment and computer technology,
           conducted during the most tumultuous period in modern American society)

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      Abstract: Abstract Nucleon transfer reactions have played a fundamental role in understanding the single-particle components, shell structure and collective properties of atomic nuclei. The conventional distorted wave Born approximation (DWBA) envisioned the nucleon transfer reaction as a one-step process, which proceeds directly from the ground state of the target nucleus to a state of the residual nucleus. The coupled channels Born approximation (CCBA) and coupled reaction channels (CRC) theories evolved because a number of nucleon transfer reaction cross sections could not be reconciled within the DWBA. These coupled channels models revealed that, in addition to the “one-step” process of the DWBA, “multi-step” nucleon transfer processes involving accessary pathways can participate in populating the final nuclear state. In the CCBA, the auxiliary pathways involved inelastic excitations of the target and/or residual nucleus, whereas, in the CRC, the pathways included sequential nucleon transfer passing through nuclear states of an intermediate partition. Coherent addition of contributions from one-step and multi-step nucleon transfer processes resulted in dramatic alterations in reaction cross sections, which were experimentally confirmed. The CCBA and CRC linked the structure of the nuclei participating in a reaction to modalities of nucleon transfer arising during the relative motion between the interacting ions. These complementary theories inexorably changed physicists’ interpretations of nucleon transfer reactions and, in doing so, heralded in the new field of direct heavy-ion reactions.
      PubDate: 2024-02-01
       
  • Addressing the problem of the LIGO–Virgo–KAGRA visibility in
           the scientific literature

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      Abstract: Abstract As members of the Virgo Collaboration—one of the large scientific collaborations that explore the universe of gravitational waves together with the LIGO Scientific Collaboration and the KAGRA Collaboration—we became aware of biased citation practices that exclude Virgo, as well as KAGRA, from achievements that collectively belong to the wider LIGO/Virgo/KAGRA Collaboration. Here, we frame these practices in the context of Merton’s “Matthew effect”, extending the reach of this well-studied cognitive bias to include large international scientific collaborations. We provide qualitative evidence of its occurrence, displaying the network of links among published papers in the scientific literature related to Gravitational Wave science. We note how the keyword “LIGO” is linked to a much larger number of papers and variety of subjects than the keyword “Virgo”. We support these qualitative observations with a quantitative study based on a year-long monitoring of the relevant literature, where we scan all new preprints appearing in the arXiv electronic preprint database. Over the course of one year, we identified all preprints failing to assign due credits to Virgo. As a further step, we undertook positive actions by asking the authors of problematic papers to correct them. Here, we also report on a more in-depth investigation which we performed on problematic preprints that appeared in the first three months of the period under consideration, checking how frequently their authors reacted positively to our request and corrected their papers. Finally, we measure the global impact of papers classified as problematic and observe that, thanks to the changes implemented in response to our requests, the global impact (measured as the number of citations of papers which still contain Virgo visibility issues) was halved. We conclude the paper with general considerations for future work in a wider perspective.
      PubDate: 2024-01-25
       
  • How a falling apple could have helped Newton discover universal gravity

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      Abstract: Abstract The article delves into the intriguing disagreement among historians of science regarding the origin of the idea of universal gravity. Prominent researchers of the genesis of Newton's Principia did not believe that he could have come up with this idea in 1666, after observing a falling apple, as he claimed. On the other hand, prominent biographers of Newton did believe. The proposed key to solving this paradox is a thought experiment described in Newton's manuscript, ‘The System of the World,’ which preceded the creation of his ‘Principia.’ According to the proposed ‘subjunctive’ scenario, it was possible to come from the motion of a projectile to the concept of universal gravity, relying only on the knowledge and skills of Galileo in 1611.
      PubDate: 2024-01-12
       
  • Analogue gravity and the Hawking effect: historical perspective and
           literature review

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      Abstract: Abstract Reasoning by analogies permeates theoretical developments in physics and astrophysics, motivated by the unreachable nature of many phenomena at play. For example, analogies have been used to understand black hole physics, leading to the development of a thermodynamic theory for these objects and the discovery of the Hawking effect. The latter, which results from quantum field theory on black hole space-times, changed the way physicists approached this subject: what had started as a mere aid to understanding becomes a possible source of evidence via the research programme of “analogue gravity” that builds on analogue models for field effects. Some of these analogue models may and can be realised in the laboratory, allowing experimental tests of field effects. Here, we present a historical perspective on the connection between the Hawking effect and analogue models. We also present a literature review of current research, bringing history and contemporary physics together. We argue that the history of analogue gravity and the Hawking effect is divided into three distinct phases based on how and why analogue models have been used to investigate fields in the vicinity of black holes. Furthermore, we find that modern research signals a transition to a new phase, where the impetus for the use of analogue models has surpassed the problem they were originally designed to solve.
      PubDate: 2023-12-04
       
  • Note on episodes in the history of modeling measurements in local
           spacetime regions using QFT

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      Abstract: Abstract The formulation of a measurement theory for relativistic quantum field theory (QFT) has recently been an active area of research. In contrast to the asymptotic measurement framework that was enshrined in QED, the new proposals aim to supply a measurement framework for measurements in local spacetime regions. This paper surveys episodes in the history of quantum theory that contemporary researchers have identified as precursors to their own work and discusses how they laid the groundwork for current approaches to local measurement theory for QFT.
      PubDate: 2023-11-27
      DOI: 10.1140/epjh/s13129-023-00064-1
       
  • From concrete quarks to QCD: a personal perspective

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      Abstract: Abstract The simple story line that ‘Gell-Mann and Zweig invented quarks in 1964 and the quark model was generally accepted after 1968 when deep inelastic electron scattering experiments at SLAC showed that they are real’ contains elements of the truth, but is not true. This paper describes the origins and development of the quark model until it became generally accepted in the mid-1970s, as witnessed by a spectator and some-time participant who joined the field as a graduate student in October 1964. It aims to ensure that the role of Petermann is not overlooked, and Zweig and Bjorken get the recognition they deserve, and to clarify the role of Serber.
      PubDate: 2023-11-14
      DOI: 10.1140/epjh/s13129-023-00061-4
       
  • Orthodox or dissident' The evolution of Bohm’s ontological
           reflections in the 1950s

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      Abstract: Abstract David Bohm has often been considered unable to understand the meaning of the quantum revolution as well as its radical metaphysical implications. Similarly, his pilot-wave theory was negatively portrayed as an attempt to restore a classical and deterministic Weltanschauung. Against this background, the aim of this paper is twofold: in the first place, it will be argued that the accusations of dogmatism advanced by several eminent physicists contra Bohm show a biased understanding of his works. Referring to this, two case studies will be discussed: the Bohm–Pauli correspondence, and the difficult relationship between the former and Leon Rosenfeld, a fervent supporter of Bohr’s philosophy of complementarity. These examples indicate that the opposition to the pilot-wave approach was for the most part not based on scientific grounds. In the second place, I will reconstruct and analyze the evolution of Bohm’s philosophical reflections about ontology, scientific realism and pluralism studying private correspondences as well as his main works in the fifties culminated in the book Causality and Chance in Modern Physics. Underlining the originality of Bohm’s thoughts, it will be concluded that his perspective can be characterized as a form of internal realism.
      PubDate: 2023-10-20
      DOI: 10.1140/epjh/s13129-023-00062-3
       
  • Matrix mechanics mis-prized: Max Born's belated nobelization

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      Abstract: Abstract We examine evaluations of the contributions of Matrix Mechanics and Max Born to the formulation of quantum mechanics from Heisenberg's Helgoland paper of 1925 to Born's Nobel Prize of 1954. We point out that the process of evaluation is continuing in the light of recent interpretations of the theory that deemphasize the importance of the wave function.
      PubDate: 2023-10-18
      DOI: 10.1140/epjh/s13129-023-00056-1
       
  • A history of the relation between fluctuation and dissipation

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      Abstract: Abstract A first relation between fluctuation and dissipation occurred in 1905–1908 in the theories of Brownian motion by Albert Einstein, Marian Smoluchowki, and Paul Langevin. Another famous occurrence is in Harry Nyquist's theory of thermal noise in resistors (1927). Many physicists are also aware of the general results and theorems later obtained by Lars Onsager, Herbert Callen, and Ryogo Kubo through highly ingenious reasoning. Also important though mostly forgotten were the direct or indirect contributions by Walther Nernst, John Kirkwood, Melville Green, and Hidetosi Takahasi. Little is known on the context and genesis of these multiple achievements. In this historical study, they will be traced partly to growing interest in the kinetic-theoretical or statistical-mechanical foundation of transport phenomena, partly to practical or industrial motivations regarding electrochemistry, limits of measurement, electronic noise, or magnetic nuclear resonance. Concepts and methods traveled between practical fields and lofty theory. For instance, the theories of Brownian motion and Onsager's fluctuation-based derivation of the reciprocal relations have deep roots in late nineteenth-century electrochemistry, and Callen's theorems relied on methods of circuit theory. Some actors of this history, especially Einstein and Onsager, worked out their main ideas individually. Others like Callen and Kubo had a marked individuality but also profited from collaborations. Nyquist was working for a large corporation, AT&T. In Japan, Kubo benefitted from the growing strength of a Tokyo research group on what we would now call many-body physics.
      PubDate: 2023-09-22
      DOI: 10.1140/epjh/s13129-023-00058-z
       
  • George Gamow and Ralph Alpher: a review of their cosmological
           collaboration as mentor and protégé 1942–1955

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      Abstract: Abstract George Antonovich Gamow (1904–1968) and Ralph Asher Alpher (1921–2007) were associates from 1942 until 1968. In this paper, we examine an intense period of collaboration at George Washington University. Our inquiry pivots on a collection of 53 letters and postcards in the Library of Congress (LoC) that Alpher received from Gamow during his absences from Washington DC. In order to set our examination of the letters in their historical context, we present brief biographies of Gamow and Alpher, summarise the state that nuclear astrophysics had already reached by 1945, and examine the initial impact of the αβγ paper. We conducted detailed analysis of twenty of the LoC letters which documents successive attempts by Alpher and Gamow to address the deficiencies in their model of primordial element building by neutron-capture in the big bang. We give a detailed account of the interactions between Gamow writing from Los Alamos, New Mexico, and his two co-workers Alpher and Robert Herman in Washington DC. The correspondence brings their enthusiasm and commitment to life as they react to the advances and setbacks they encountered. Our narrative illustrates the remarkable partnership that Gamow and Alpher shared, a this was, infused with friendship and therein scientific discovery.
      PubDate: 2023-08-23
      DOI: 10.1140/epjh/s13129-023-00057-0
       
  • Correction: The end of the particle era'

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      PubDate: 2023-08-23
      DOI: 10.1140/epjh/s13129-023-00059-y
       
  • On the gravitational effects of light

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      Abstract: Abstract Translation of and Commentary on Léon Rosenfeld’s “Über die Gravitationwirkungen des Lichtes”, Zeitschrift für Physik 65: 589–599 (1930). Originally published in German. Submitted for publication on September 26, 1930. See [1] the Comments with References section before reading this English translation. The gravitational field generated by an electromagnetic field is calculated using of laws of quantum mechanics, and it is shown that the resulting gravitational energy turns out to be infinitely large, raising a new difficulty for the Heisenberg–Pauli quantum theory of wave fields. In addition, the transition processes in first-order approximation involving light and gravitational quanta [2] are briefly discussed.
      PubDate: 2023-07-27
      DOI: 10.1140/epjh/s13129-023-00055-2
       
  • The end of the particle era'

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      Abstract: Abstract The discovery of the Higgs boson in 2012 at CERN completed the experimental confirmation of the Standard Model particle spectrum. Current theoretical insights and experimental data are inconclusive concerning the expectation of future discoveries. While new physics may still be within reach of the LHC or one of its successor experiments, it is also possible that the mass of particles beyond those of the Standard Model is far beyond the energy reach of any conceivable particle collider. We thus have to face the possibility that the age of “on-shell discoveries” of new particles may belong to the past and that we may soon witness a change in the scientists' perception of discoveries in fundamental physics. This article discusses the relevance of this questioning and addresses some of its potential far-reaching implications through the development, first, of a historical perspective on the concept of particle. This view is prompt to reveal important specificities of the development of particle physics. In particular, it underlines the close relationship between the evolution of observational methods and the understanding of the very idea of particle. Combining this with an analysis of the current situation of high-energy physics, this leads us to the suggestion that the particle era in science must undergo an important conceptual reconfiguration.
      PubDate: 2023-06-02
      DOI: 10.1140/epjh/s13129-023-00053-4
       
  • Anatoly Vlasov heritage: 60-year-old controversy

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      Abstract: Abstract We analyzed remarkable stories linked to the famous Anatoly Vlasov equations in plasma physics. Their creation, modification, and application are interesting from the scientific viewpoint. We also show the relations between those equations dealing with electromagnetism and analogous Jeans equations describing, in particular, gravitational instability in astrophysics. The second half of the essay is devoted to the controversies and political struggle in Soviet (before 1991) and Russian (after 1991) physical communities related to Vlasov’s personality, career, and posthumous recognition. The never-ending destructive influence of the Russian totalitarianism on science is demonstrated.
      PubDate: 2023-05-16
      DOI: 10.1140/epjh/s13129-023-00051-6
       
  • R. Fürth’s 1933 paper “On certain relations between classical
           statistics and quantum mechanics” [“Über einige Beziehungen zwischen
           klassischer Statistik und Quantenmechanik”, Zeitschrift für Physik, 81
           143–162]

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      Abstract: Abstract We present a translation of the 1933 paper by R. Fürth in which a profound analogy between quantum fluctuations and Brownian motion is pointed out. Fürth highlights the existence of uncertainty relations involving the variance of a statistically conserved quantity of a non-equilibrium thermodynamic indicator and the variance of the corresponding current velocity. The phenomenon is entirely classical and traces back to the effect of a fluctuating environment on a measured system. In some sense, Fürth’s paper also opened the way to the stochastic methods of quantization developed almost 30 years later by Edward Nelson and others.
      PubDate: 2023-05-15
      DOI: 10.1140/epjh/s13129-023-00052-5
       
  • What’s in a name'

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      Abstract: Abstract The development and evolution of the “Einstein–Æther Theory” (Æ-theory) shows that there is a field in cosmology where the word ether is being used again. It is unclear, however, whether this æther may be regarded in continuation with previous ethers, or it is an altogether new entity. The main goal of this paper is to understand the nature of this new ether in the context of previous instances of this scientific object. In order to do so, we shall first give a brief historical account of the distinct uses the word had assumed in the late nineteenth and early twentieth centuries, before its demise. Then, we shall describe the major attempts to revive the ether over the last century, focusing on the last endeavor: the Æ-theory. In this article, we do not intend to support or reject this new use of the word, but to stress the complexity of establishing a consistent historical narrative of some scientific objects like the ether.
      PubDate: 2023-05-07
      DOI: 10.1140/epjh/s13129-023-00054-3
       
  • On the speed of light in a vacuum in the presence of a magnetic field

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      Abstract: Abstract The nature of light, the existence of magnetism, and the physical meaning of a vacuum are the problems so deeply related to philosophy that they have been discussed for thousands of years. In this paper, we concentrate ourselves on a question that concerns the three of them: does light speed in a vacuum change when a magnetic field is present' The experimental answer to this fundamental question has not yet been given even if it has been stated in modern terms for more than a century. To fully understand the importance of such a question in physics, we review the main facts and concepts from the historical point of view.
      PubDate: 2023-03-27
      DOI: 10.1140/epjh/s13129-023-00050-7
       
  • IUCAA: genesis of a unique research centre

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      Abstract: Abstract The Inter-University Centre for Astronomy and Astrophysics (IUCAA) is the second Inter-University Centre established by the Government of India for promotion of astronomy and astrophysical research. In this article, the historical development, as well as the motivation, for establishing IUCAA has been discussed which comprises of the period 1988–1993, i.e. the first 5 years. A glimpse of research work in pre- and post-colonial era in India has also been presented to have a holistic view of the genesis.
      PubDate: 2023-02-07
      DOI: 10.1140/epjh/s13129-023-00049-0
       
  • A brief history of Florentine physics from the 1920s to the end of the
           1960s

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      Abstract: Abstract The history of the Institute of Physics at the University of Florence is traced from the beginning of the twentieth century, with the arrival of Antonio Garbasso as Director (1913), to the 1960s. Thanks to Garbasso’s expertise, not only did the Institute gain new premises on Arcetri hill, where the Astronomical Observatory was already located, but it also formed a brilliant group of young physicists made up of Enrico Fermi, Franco Rasetti, Enrico Persico, Bruno Rossi, Gilberto Bernardini, Daria Bocciarelli, Lorenzo Emo Capodilista, Giuseppe Occhialini and Giulio Racah, who were engaged in the emerging fields of Quantum Mechanics and cosmic rays. This Arcetri School disintegrated in the late 1930s for the transfer of its protagonists to chairs in other universities, for the environment created by the fascist regime and, to some extent, for the racial laws. After the war, the legacy was taken up by some students of this school who formed research groups in the field of nuclear physics and elementary particle physics. As far as Theoretical Physics was concerned, after the Fermi and Persico periods these studies enjoyed a new expansion towards the end of the 1950s, with the arrival of Giacomo Morpurgo and above all, that of Raoul Gatto, who created the first real Italian school of Theoretical Physics at Arcetri.
      PubDate: 2022-12-23
      DOI: 10.1140/epjh/s13129-022-00048-7
       
  • The JADE experiment at the PETRA $$e^+e^-$$ collider: history,
           achievements and revival

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      Abstract: Abstract The JADE experiment was one of five large detector systems taking data at the electron–positron collider PETRA, from 1979 to 1986, at \(e^+e^-\) annihilation centre-of-mass energies from 12 to 46.7 GeV. The forming of the JADE collaboration, the construction of the apparatus, the most prominent physics highlights, and the post-mortem resurrection and preservation of JADE’s data and software are reviewed.
      PubDate: 2022-12-23
      DOI: 10.1140/epjh/s13129-022-00047-8
       
 
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  Subjects -> PHYSICS (Total: 857 journals)
    - ELECTRICITY AND MAGNETISM (10 journals)
    - MECHANICS (22 journals)
    - NUCLEAR PHYSICS (53 journals)
    - OPTICS (92 journals)
    - PHYSICS (625 journals)
    - SOUND (25 journals)
    - THERMODYNAMICS (30 journals)

PHYSICS (625 journals)            First | 1 2 3 4     

Showing 601 - 741 of 741 Journals sorted alphabetically
Tectonics     Full-text available via subscription   (Followers: 15)
The European Physical Journal H     Hybrid Journal   (Followers: 2)
The European Physical Journal Plus     Open Access   (Followers: 1)
The Physics Teacher     Full-text available via subscription   (Followers: 360)
Theoretical and Computational Fluid Dynamics     Hybrid Journal   (Followers: 22)
Theoretical and Mathematical Physics     Hybrid Journal   (Followers: 8)
Thermal Science and Engineering Progress     Open Access   (Followers: 6)
Transport Phenomena in Nano and Micro Scales     Open Access  
Tribologie und Schmierungstechnik     Full-text available via subscription  
Tribology International     Hybrid Journal   (Followers: 47)
Tribology Letters     Hybrid Journal   (Followers: 9)
Turkish Journal of Physics     Open Access  
Ultrasonics     Hybrid Journal   (Followers: 9)
Ultrasonics Sonochemistry     Hybrid Journal   (Followers: 2)
Ultrasound in Medicine & Biology     Hybrid Journal   (Followers: 10)
Universal Journal of Physics and Application     Open Access  
Unnes Physics Education Journal     Open Access   (Followers: 1)
Vibration     Open Access   (Followers: 30)
Virtual Journal of Quantum Information     Hybrid Journal   (Followers: 3)
Water Waves     Hybrid Journal  
Western Journal of Communication     Hybrid Journal   (Followers: 5)
Women & Performance: a journal of feminist theory     Hybrid Journal   (Followers: 15)
World Journal of Condensed Matter Physics     Open Access   (Followers: 2)
Zeitschrift für angewandte Mathematik und Physik     Hybrid Journal   (Followers: 2)
Фізика і хімія твердого тіла     Open Access  

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Heriot-Watt University
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Email: journaltocs@hw.ac.uk
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