cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Absence of SO(4) quantum criticality in Dirac semimetals at two-loop order
Creators: name: Uetrecht, Max
name: Herbut, Igor F.
name: Stamou, Emmanuel
name: Scherer, Michael M.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Evidence for relativistic quantum criticality of antiferromagnetism and superconductivity in two-dimensional Dirac fermion systems has been found in large-scale quantum Monte Carlo simulations. However, the corresponding ($2+1$)-dimensional Gross--Neveu--Yukawa field theory with $N_f=2$ four-component Dirac fermions coupled to two triplets of order parameters does not exhibit a renormalization group fixed point at one-loop order. Instead, the theory only features a critical point for a large or very small fractional number of fermion flavors $N_f$, which disappears for a broad range of flavor numbers around the physical case, $N_f=2$, due to fixed-point annihilation. This raises the question on how to explain the observed scaling collapse in the quantum Monte Carlo data. Here, we extend previous renormalization-group analyses by studying a generalized model at two-loop order in $4-ε$ spacetime dimensions. We determine the $ε$ correction to the upper and lower critical flavor numbers for the fixed-point annihilation and find that they both go towards the physical case $N_f=2$. However, this only happens very slowly, such that an extrapolation to $ε=1$ still suggests the absence of criticality in $2+1$ dimensions. Thereby, we consolidate the finding that the continuum field theory does not feature a stable renormalization-group fixed point and no true quantum criticality would be expected for the considered system. We briefly discuss a possible reconciliation in terms of a complex conformal field theory. Further, we also explore the fixed-point structure in an enlarged theory space and identify a candidate stable fixed-point solution.
description: 13 pages, 6 figures, 2 tables
The University of Granada working with archaeological data on GIS platform.
Creators: name: Delgado, Lara
Publisher: name: Archaeology Data Service
Year: 2015

description: This resource is a single blog post created as part of the Day of Archaeology initiative. The Day of Archaeology project aimed to provide a window into the daily lives of archaeologists from all over the world. The project asked people working, studying or volunteering in the archaeological world to participate in a 'Day of Archaeology' each year by recording their day and sharing it through text, images or video on the Day of Archaeology blog.
The project asked anyone with a personal, professional or voluntary interest in archaeology to get involved, and help highlight the reasons why archaeology is vital to protect the past and inform our futures. The resulting Day of Archaeology project archive demonstrates the wide variety of work the archaeological profession undertakes day-to-day across the globe, and helps to raise public awareness of the relevance and importance of archaeology to the modern world.
The first ever Day of Archaeology was held in 2011 and, since then, the project had thousands of archaeologists take part in the event, from those working in the field through to specialists working in laboratories and behind computers. The last Day of Archaeology was on Friday 28th July 2017.
Noise-induced quantum coherence and persistent Rabi oscillations in a Josephson flux qubit
Creators: name: Omelyanchouk, A. N.
name: Savel'ev, S.
name: Zagoskin, A. M.
name: Il'ichev, E.
name: Nori, Franco
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We demonstrate theoretically the noise-stimulated enhancement of quantum coherence in a superconducting flux qubit. First, an external classical noise can increase the off-diagonal components of the qubit density matrix. Second, in the presence of noise, the Rabi oscillations survive for times significantly longer than the Rabi decay time in a noiseless system. These Rabi oscillations appear as a modulation of the forced response of the qubit to the ac driving field. These effects can be considered as a manifestation of quantum stochastic resonance and are relevant to experimental techniques, such as Rabi spectroscopy.
description: Figures replaced. References added. Text improved
A DAY OF ARCHAEOLOGY IN thePipeLine
Creators: name: Brockman
Publisher: name: Archaeology Data Service
Year: 2015

description: This resource is a single blog post created as part of the Day of Archaeology initiative. The Day of Archaeology project aimed to provide a window into the daily lives of archaeologists from all over the world. The project asked people working, studying or volunteering in the archaeological world to participate in a 'Day of Archaeology' each year by recording their day and sharing it through text, images or video on the Day of Archaeology blog.
The project asked anyone with a personal, professional or voluntary interest in archaeology to get involved, and help highlight the reasons why archaeology is vital to protect the past and inform our futures. The resulting Day of Archaeology project archive demonstrates the wide variety of work the archaeological profession undertakes day-to-day across the globe, and helps to raise public awareness of the relevance and importance of archaeology to the modern world.
The first ever Day of Archaeology was held in 2011 and, since then, the project had thousands of archaeologists take part in the event, from those working in the field through to specialists working in laboratories and behind computers. The last Day of Archaeology was on Friday 28th July 2017.
ATIC/PAMELA anomaly from fermionic decaying Dark Matter
Creators: name: Chen, Chuan-Hung
name: Geng, Chao-Qiang
name: Zhuridov, Dmitry V.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We demonstrate that an economical two Higgs doublet model can explain the electron and positron excesses in the recent ATIC and PAMELA experiments by the three body decays of the dark matter (DM) fermions without requiring the fine turning of the couplings and degeneracy of masses. We also show that the mass and lifetime of the decaying DM particle may not be fixed to be around 1 TeV and 10^{26} sec, respectively. Moreover, we note that this model includes a stable dark matter candidate as well.
description: 8 pages, 4 figures; references added, typos corrected. The version to appear in PLB
Invisible teachers, visible problems : perspectives on relief teaching
Creators: name: Webb, Penelope Christina
Publisher: name: University Of Tasmania
Year: 2023

description: As a result of staff shortages, relief or substitute teachers are playing an increasing role in many schools, yet they are largely invisible in policies, practices and research. In contrast, the problems surrounding relief teaching are highly visible: senior administrators worry about costs and timetables; regular teachers complain that no work is done; students become noisier; and relief teachers adopt strategies for 'survival'. Paradoxically, while there is a recurring theme in the literature to improve relief teaching effectiveness, relief teaching remains a low priority within the education system. This investigation evolved from a personal search to make sense of the recurring problems and paradoxes surrounding relief teaching. Its purpose was: to gather data on relief teaching which reflected the 'reality' of personal experience from a number of viewpoints; to determine the main issues from student, teaching and administrative perspectives, using a constant comparative method of analysis; and to find deeper links to illuminate the multidimensional relationships between relief teaching and its problems. Research was conducted in a core of eight secondary schools where the researcher worked as a relief teacher. Over a period of three years, through a synthesis of interviews, observations, anecdotal evidence, and reflection based on a naturalistic paradigm, the researcher developed strategies which enabled her to remain closely attuned to the varying settings. Using an inductive approach, data were gathered from over 300 participants, mostly administrators, teachers and students. In all, 85 hours of interviews were transcribed in addition to her written observations and reflections as a practitioner. The findings showed that the lack of consistent information, feedback and accountability caused many interview respondents to adopt a pragmatic, short-term approach to the management and practice of relief teaching. They based their decisions on divergent assumptions which were rarely challenged, causing problems to recur and intensify. The investigation concluded that the problems surrounding relief teaching were linked by three underlying factors: the context of relief teaching is largely invisible; relief teaching is different from regular teaching; and that there is no official recognition that problems exist. The process of making relief teaching visible as a phenomenon illuminated many inconsistencies within varying contexts and perspectives. Evidence strongly suggests that the context of relief teaching is central to the teaching and learning settings in schools. It shows, also, that the present approach to relief teaching is highly ineffective and gives rise to serious problems with far-reaching professional, economical, and legal implications. The thesis provides recommendations for future initiatives. Extensive appendices and the thematic structures underpinning the thesis enable the selection of material for a variety of purposes.
Additional file 1 of The influence factors of medical disputes in Shanghai and implications - from the perspective of doctor, patient and disease
Creators: name: Liu, Yu
name: Wang, Pei
name: Bai, Yonghai
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 1. The conflict of doctor-patient questionnaire.
Theory of dissipationless Nernst effects
Creators: name: Bergman, Doron
name: Oganesyan, Vadim
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We develop a theory of transverse thermoelectric (Peltier) conductivity, α_{xy}, in finite magnetic field -- this particular conductivity is often the most important contribution to the Nernst thermopower. We demonstrate that α_{xy} of a free electron gas can be expressed purely and exactly as the entropy per carrier irrespective of temperature (which agrees with seminal Hall bar result of Girvin and Jonson). In two dimensions we prove the universality of this result in the presence of disorder which allows explicit demonstration of a number features of interest to experiments on graphene and other two-dimensional materials. We also exploit this relationship in the low field regime and to analyze the rich singularity structure in α_{xy}(B, T) in three dimensions; we discuss its possible experimental implications.
description: 4.5 pages, 2 figures
Of kurgans and more... a day of survey in eastern Georgia
Creators: name: Carminati, Eleonora
Publisher: name: Archaeology Data Service
Year: 2015

description: This resource is a single blog post created as part of the Day of Archaeology initiative. The Day of Archaeology project aimed to provide a window into the daily lives of archaeologists from all over the world. The project asked people working, studying or volunteering in the archaeological world to participate in a 'Day of Archaeology' each year by recording their day and sharing it through text, images or video on the Day of Archaeology blog.
The project asked anyone with a personal, professional or voluntary interest in archaeology to get involved, and help highlight the reasons why archaeology is vital to protect the past and inform our futures. The resulting Day of Archaeology project archive demonstrates the wide variety of work the archaeological profession undertakes day-to-day across the globe, and helps to raise public awareness of the relevance and importance of archaeology to the modern world.
The first ever Day of Archaeology was held in 2011 and, since then, the project had thousands of archaeologists take part in the event, from those working in the field through to specialists working in laboratories and behind computers. The last Day of Archaeology was on Friday 28th July 2017.
Extra dimensions in photon-induced two lepton final states at the CERN-LHC
Creators: name: Atag, S.
name: Inan, S. C.
name: Sahin, I.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss the potential of the photon-induced two lepton final states at the LHC to explore the phenomenology of the Kaluza-Klein (KK) tower of gravitons in the scenarios of the Arkani-Hamed, Dimopoulos and Dvali(ADD) model and Randall-Sundrum (RS) model. The sensitivity to model parameters can be improved compared to the present LEP or Tevatron sensitivity.
description: references added; 9 pages, 6 figures
Time-delayed Duffing oscillator in an active bath
Creators: name: Valido, Antonio A.
name: Coccolo, Mattia
name: Sanjuán, Miguel A. F.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Chaotic Dynamics (nlin.CD)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: During the last decades active particles have attracted an incipient attention as they have been observed in a broad class of scenarios, ranging from bacterial suspension in living systems to artificial swimmers in nonequilibirum systems. The main feature of these particles is that they are able to gain kinetic energy from the environment, which is widely modeled by a stochastic process due to both (Gaussian) white and Ornstein-Uhlenbeck noises. In the present work, we study the nonlinear dynamics of the forced, time-delayed Duffing oscillator subject to these noises, paying special attention to their impact upon the maximum oscillations amplitude and characteristic frequency of the steady state for different values of the time delay and the driving force. Overall, our results indicate that the role of the time delay is substantially modified with respect to the situation without noise. For instance, we show that the oscillations amplitude grows with increasing noise strength when the time delay acts as a damping term in absence of noise, whereas the trajectories eventually become aperiodic when the oscillations are sustained by the time delay. In short, the interplay among the noises, forcing and time delay gives rise to a rich dynamics: a regular and periodic motion is destroyed or restored owing to the competition between the noise and the driving force depending on time delay values, whereas an erratic motion insensitive to the driving force emerges when the time delay makes the motion aperiodic. Interestingly, we also show that, for a sufficient noise strength and forcing amplitude, an approximately periodic interwell motion is promoted by means of stochastic resonance.
description: 12+1 pages, 10 figures. Comments are welcome. Substantial changes with respect to the first version: an introduction of previous works is included, stochastic resonance effects are now treated, discussion has been partiatly modified, the vast majority of figures were replaced
Symmetries of the Weyl tensor in Bianchi V spacetimes
Creators: name: Kashif, A. R.
name: Saifullah, K.
name: Shabbir, G.
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Symmetries of geometrical and physical quantities in general relativity provide important information about the curvature structure of the spacetimes. Symmetries of the curvature and the Weyl tensors, known as curvature and Weyl collineations respectively, are two of such important symmetries. Some results on these symmetries for Bianchi type V spacetimes are discussed.
description: 4 pages; Proc. 11th Marcel Grossmann Meeting on General Relativity, World Scientific, 2008
Hillfort Heaven
Creators: name: Lloyd Jones, Erin
Publisher: name: Archaeology Data Service
Year: 2015

description: This resource is a single blog post created as part of the Day of Archaeology initiative. The Day of Archaeology project aimed to provide a window into the daily lives of archaeologists from all over the world. The project asked people working, studying or volunteering in the archaeological world to participate in a 'Day of Archaeology' each year by recording their day and sharing it through text, images or video on the Day of Archaeology blog.
The project asked anyone with a personal, professional or voluntary interest in archaeology to get involved, and help highlight the reasons why archaeology is vital to protect the past and inform our futures. The resulting Day of Archaeology project archive demonstrates the wide variety of work the archaeological profession undertakes day-to-day across the globe, and helps to raise public awareness of the relevance and importance of archaeology to the modern world.
The first ever Day of Archaeology was held in 2011 and, since then, the project had thousands of archaeologists take part in the event, from those working in the field through to specialists working in laboratories and behind computers. The last Day of Archaeology was on Friday 28th July 2017.
The Resilience and Sustainability of Suranga Irrigation in the Western Ghats of India
Creators: name: Tripathi, Sudhir Chandra
Publisher: name: UH Research Archive
Year: 2022
Subjects: suranga
surangam
India
water
sustainability
resilience
western ghats
traditional knowledge
Dakshin Kannada
Kasaragod

description: This study focused on a little known traditional water management system, known as suranga, historically used by marginalised agricultural communities in the remote foothills of the Western Ghats in India to evaluate the resilience and sustainability of the suranga system. A hill irrigation analytical framework was used to provide a pragmatic epistemology. The research methodology was interdisciplinary, incorporating mixed methods taken from both the physical and social sciences to answer five research questions about suranga linked to their history, distribution, design principles, operational characteristics, governance, and organisation. Results suggest that suranga originate from the early 20th century. A field survey, supported by in-depth interviews of suranga users (n=173), found 700 suranga mainly distributed in fourteen villages in the Dakshin Kannada and Kasaragod districts. Data from previous studies, including this study, suggest there are a minimum of ~3000 suranga in the region as a whole. Suranga were defined as a groundwater collection gallery filtration tunnel system sourced from perched aquifers. Key strengths of the system were found to be the basic design principles, flexible excavation approaches, adaptability, clear use boundaries, relatively low construction and maintenance costs, self-regulated discharge, private ownership and management, and ease of access. Weaknesses of the system were a laborious and risky excavation process, limited water yield, non-collaboration, the absence of governance, and low earnings for suranga workers. Suranga were also found to be vulnerable to pollution, forest cover loss, and the impacts of climate change. However, suranga have contributed to a resilient and sustainable community in the past when the population, water demands, and the size of the irrigated area were low, and farm choices were limited. Currently, the suranga system may soon be unable to meet increased water demands because of population increase, intensification and reorientation of agriculture, alternative borewell technology and improved socioeconomic conditions. However, Suranga do retain some humanitarian relevance to farmers in the study area having improved the quality of life for many low-income families, but new emerging endogenous and exogenous pressures may make them vulnerable to changes in the future that cause the collapse of the system unless further adaptation occurs.
Multimodal Nondestructive Evaluation of Industrial Heritage Structures
Creators: name: Wiggenhauser, Herbert
name: Moryson, Ralf
name: Klein, Samuel
name: Moser, Dorothee
name: Schäfer, Wolfgang
name: Pudovikov, Sergey
name: Herrmann, Hans-Georg
name: :Unav
Publisher: name: Fraunhofer-Gesellschaft
Year: 2021
Subjects: Nondestructive Evaluation
Industrial Heritage
Building Information Management

description: Industrial heritage structures are a valuable part of a nation's history, preserved and maintained in many countries. Their maintenance and structural assessment is complex and necessary, not only from a safety point of view, but also for their possible reuse, e. g. for cultural events. This study addresses the use of nondestructive evaluation methods for the assessment of these structures under the general perspective of building management. The identification of missing links in the procedures to support management decisions through reliable measurement data is necessary to develop a roadmap for a future integrated system.
Infinite finite element
Creators: name: Ungless, Ronald Frederick
Publisher: name: University of British Columbia
Year: 2011

description: This thesis is concerned with developing a finite element model of infinite size to facilitate the stress analysis of three dimensional, semi-infinite bodies governed by time independent linear equations. An element of triangular plan form extending to infinity in one direction is devised. There are three nodes per element, each node having three displacement degrees of freedom. The infinite element is used in conjunction with regular finite elements to represent the stiffness of the semi-infinite solid which has previously been assumed to be zero or infinite in regular finite element models. The infinite element relieves the computational problem caused by large numbers of elements which has limited the use of the finite element method in three dimensional halfspace problems. A large reduction in the number of degrees of freedom is possible with the use of the infinite element because the artificial boundary of previous models is eliminated. The accuracy of the element is tested on two examples whose exact solutions are known. Both involve a semi-infinite solid, one loaded with a surface perpendicular point load, and the other with a surface parallel point load. The results compare favourably with the theory of elasticity solutions.
Field-induced quantum critical point in the pressure-induced superconductor CeRhIn5
Creators: name: Park, Tuson
name: Tokiwa, Y.
name: Ronning, F.
name: Lee, H.
name: Bauer, E. D.
name: Movshovich, R.
name: Thompson, J. D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: When subjected to pressure, the prototypical heavy-fermion antiferromagnet CeRhIn5 becomes superconducting, forming a broad dome of superconductivity centered around 2.35 GPa (=P2) with maximal Tc of 2.3 K. Above the superconducting dome, the normal state shows strange metallic behaviours, including a divergence in the specific heat and a sub-T-linear electrical resistivity. The discovery of a field-induced magnetic phase that coexists with superconductivity for a range of pressures P < P2 has been interpreted as evidence for a quantum phase transition, which could explain the non-Fermi liquid behavior observed in the normal state. Here we report electrical resistivity measurements of CeRhIn5 under magnetic field at P2, where the resistivity is sub-T-linear for temperatures above Tc (or T_FL) and a T^2-coefficient A found below T_FL diverges as Hc2 is approached. These results are similar to the field-induced quantum critical compound CeCoIn5 and confirm the presence of a quantum critical point in the pressure-induced superconductor CeRhIn5.
description: 7 pages, 3 figures
Armour and Weapons in Tibet from Yongle to Younghusband
Creators: name: La Rocca, Donald
Publisher: name: Fondazione Università Ca’ Foscari Venezia, Italia
Year: 2021

description:

This paper presents an overview of the origins and development of research into various types of arms and armour used in Tibet from approximately the fifteenth century to the early twentieth century. Incorporated into this are a brief survey of well recognised examples and a review of the wide multiplicity of rare and less familiar forms, including helmets, armour for men and horses, swords, and firearms, many of which have only come to light over the past twenty-five years.

description: Annali di Ca’ Foscari. Serie orientale
Supplemental_Materials.docx
Creators: name: Wan, Zhenzhen
name: Shan, Zhilei
name: Geng, Tingting
name: Lu, Qi
name: Li, Lin
name: Yin, Jiawei
name: Liu, Liegang
name: Pan, An
name: Liu, Gang
Publisher: name: figshare
Year: 2022
Subjects: subject: Diseases
subject: 111706 Epidemiology
subject: FOS: Health sciences

description: Moderate low carbohydrate diets in patients with diabetes
Models of electrolyte solutions from molecular descriptions: The example of NaCl solutions
Creators: name: Molina, J. J.
name: Dufreche, J. -F.
name: Salanne, M.
name: Bernard, O.
name: Jardat, M.
name: Turq, P.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We present a method to derive implicit solvent models of electrolyte solutions from all-atom descriptions; providing analytical expressions of the thermodynamic and structural properties of the ions consistent with the underlying explicit solvent representation. Effective potentials between ions in solution are calculated to perform perturbation theory calculations, in order to derive the best possible description in terms of charged hard spheres. Applying this method to NaCl solutions yields excellent agreement with the all-atom model, provided ion association is taken into account.
description: 4 pages, 5 figures
Ma ci piacciono davvero i musei archeologici?
Creators: name: Guermandi, Maria Pia
Publisher: name: Archaeology Data Service
Year: 2015

description: This resource is a single blog post created as part of the Day of Archaeology initiative. The Day of Archaeology project aimed to provide a window into the daily lives of archaeologists from all over the world. The project asked people working, studying or volunteering in the archaeological world to participate in a 'Day of Archaeology' each year by recording their day and sharing it through text, images or video on the Day of Archaeology blog.
The project asked anyone with a personal, professional or voluntary interest in archaeology to get involved, and help highlight the reasons why archaeology is vital to protect the past and inform our futures. The resulting Day of Archaeology project archive demonstrates the wide variety of work the archaeological profession undertakes day-to-day across the globe, and helps to raise public awareness of the relevance and importance of archaeology to the modern world.
The first ever Day of Archaeology was held in 2011 and, since then, the project had thousands of archaeologists take part in the event, from those working in the field through to specialists working in laboratories and behind computers. The last Day of Archaeology was on Friday 28th July 2017.
Examples of the use of a computer as a planning aid
Creators: name: Thom, Jane Elizabeth
Publisher: name: University of British Columbia
Year: 2011

description: The growing amount of data available to the planners today and the necessity to easily order, display, and assimilate this data, has thrust the computer into the foreground of planning tools. Computers are unequalled in their ability to handle, reorganize and manipulate large volumes of data. Computer techniques are developed here to handle and display data for the planner so that he can more effectively spend his time on the evaluation and decision-making aspects of planning. Thus a minimum amount of time need be spent in assimilating the information necessary for a decision; this is particularly beneficial in the preliminary phase of planning. Three computer techniques to simplify data handling and visually display data are described in this report. One generates simple three-dimensional drawings on a graphics display terminal. A second technique visually and dynamically displays growth and change by simulating the evolution of a cityscape. The third technique extends McHarg's space allocation map overlay technique. It utilizes spatially distributed data, and allows interactive manipulation of this data to indicate areas of "suitability" for a particular use.
The Multiwavelength Picture of GRB 221009A's Afterglow
Creators: name: Klinger, Marc
name: Taylor, Andrew M.
name: Parsotan, Tyler
name: Beardmore, Andrew
name: Heinz, Sebastian
name: Zhu, Sylvia J.
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We present counts-level fits to the keV-GeV data of the early afterglow of the brightest gamma-ray burst detected to date, GRB 221009A. We discuss the complexity of the data reduction due to the unprecedented brightness and the location in the Galactic plane. We find the energy spectrum to be well described as a smoothly broken power law with a break around 10 keV and no indications for additional features towards GeV energies. An interpretation as synchrotron emission from forward-shock accelerated and subsequently cooled electrons yields three possible types of solutions: (1) a slow cooling solution with low magnetic fields (few percent of a Gauss) but poorly constrained minimum injected electron energy (<100 GeV), (2) a fast cooling solution with stronger magnetic fields (few percent to few Gauss) and minimum injected electron energy 10-100 GeV or (3) the transition between both regimes with low magnetic fields and minimum injected electron energy around 100 GeV. Limited statistics at GeV energies prevent conclusions extrapolating towards a cut-off or the onset of a new component at higher energies.
Arms and Armour in Ancient and Medieval Tibetan Literature
Creators: name: Maurer, Petra
Publisher: name: Fondazione Università Ca’ Foscari Venezia, Italia
Year: 2021

description:

This article presents Tibetan terms and expressions for arms and armour originating in Tibetan sources as per research conducted for the Wörterbuch der Tibetischen Schriftsprache, a dictionary database that includes sources ranging from the eight to the nineteenth centuries. This survey shows that Tibetan literature bears testimony to the existence of a broad variety of arms and armour in Tibet, which are mentioned in various contexts: Bon or Buddhist sources, historiographical or mythical accounts. By tracing these terms’ etymological origins and focusing on the actual use of weapons, we may gain a clearer understanding of the origin, use, and value of arms and armour in Tibetan culture.

description: Annali di Ca’ Foscari. Serie orientale
CDER: Collaborative Evidence Retrieval for Document-level Relation Extraction
Creators: name: Tran, Khai Phan
name: Li, Xue
Publisher: name: arXiv
Year: 2025
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Document-level Relation Extraction (DocRE) involves identifying relations between entities across multiple sentences in a document. Evidence sentences, crucial for precise entity pair relationships identification, enhance focus on essential text segments, improving DocRE performance. However, existing evidence retrieval systems often overlook the collaborative nature among semantically similar entity pairs in the same document, hindering the effectiveness of the evidence retrieval task. To address this, we propose a novel evidence retrieval framework, namely CDER. CDER employs an attentional graph-based architecture to capture collaborative patterns and incorporates a dynamic sub-structure for additional robustness in evidence retrieval. Experimental results on the benchmark DocRE dataset show that CDER not only excels in the evidence retrieval task but also enhances overall performance of existing DocRE system.
description: Published at ACIIDS 2024
Network Models: Action formulation
Creators: name: Khachatryan, Sh.
name: Sedrakyan, A.
name: Sorba, P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We develop a technique to formulate quantum field theory on arbitrary network, based on different, randomly disposed sets of scattering's. We define R-matrix of the whole network as a product of R-matrices attached to each of scattering nods. Then an action for a network in terms of fermionic fields is formulated, which allows to calculate the transition amplitudes as their Green functions. On so-called bubble and triangle diagrams it is shown that the method produces the same results as the one which uses the generalized star product. The approach allows to extend network models by including multiparticle interactions at the scattering nods.
description: 27 pages, 9 figures
Khra ring bog gi bshad pa and Other Material on the Matchlock
Creators: name: Tsering Josayma, Tashi
Publisher: name: Fondazione Università Ca’ Foscari Venezia, Italia
Year: 2021

description:

By analysing a large variety of historical and literary sources, this article attempts to determine when the matchlock came into use in Tibet and presents an overview of the different names of the bog/matchlock muskets in various dialects and regions of Tibet from the early seventeenth century onwards. It illustrates how matchlock enthusiasts among the Tibetan nomads cherished their weapons. It examines several panegyrics (bshad pa) on the bog, as well as rituals to summon the war god onto the bog, and provides both their original Tibetan texts and a translation into English. The analysis also delves into many other different aspects of the culture of firearms in Tibet, such as the terminology (with sketches of bog), taboos and superstitions and a tentative tracing of the etymology of the word bog.

description: Annali di Ca’ Foscari. Serie orientale
Studying Three Phase Supply in School
Creators: name: Singhal, Amit Kumar
name: Arun, P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: The power distribution of nearly all major countries have accepted 3-phase distribution as a standard. With increasing power requirements of instrumentation today even a small physics laboratory requires 3-phase supply. While physics students are given an introduction of this in passing, no experiment work is done with 3-phase supply due to the sheer possibility of accidents while working with such large powers. We believe a conceptual understanding of 3-phase supply would be useful for physics students with hands on experience using a simple circuit that can be assembled even in a high school laboratorys.
Spacetime dynamics of chiral magnetic currents in a hot non-Abelian plasma
Creators: name: Grieninger, Sebastian
name: Kharzeev, Dmitri E.
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The correlations of electric currents in hot non-Abelian plasma are responsible for the experimental manifestations of the chiral magnetic effect (CME) in heavy-ion collisions. We evaluate these correlations using holography, and show that they are driven by large-scale topological fluctuations. In a non-Abelian plasma with chiral fermions, local axial charge can be generated either by topological fluctuations (creating domains with nonzero Chern-Simons number) or by thermal fluctuations. Within holography, we investigate the dynamical creation of the axial charge and isolate the imprint of the topological dynamics on the spatial correlations of electric current. In particular, we show that the spatial extent of the current correlation is quite large ($\sim 1\ {\rm fm}$) and grows with time, which is consistent with sphaleronlike dynamics. We provide numerical estimates for this spatial size that can be used as an input in phenomenological analyses.
description: 9+1 pages, 6+2 figures; matches version published in PRD; title change to conform with APS conventions
The Dorjéling Armoury in the Potala According to the Fifth Dalai Lama’s gsung ’bum
Creators: name: Venturi, Federica
Publisher: name: Fondazione Università Ca’ Foscari Venezia, Italia
Year: 2021

description:

Although the government established through the alliance of the Gélukpa (Dge lugs pa) and the Khoshud in 1642 took its appellation from the Ganden Palace (Dga’ ldan pho brang/Ganden Phodrang) at Drepung (’Bras spung), the symbolic seat of power of this government was the Potala, at the same time fortress, administrative centre, earthly copy of the celestial palace of Avalokiteśvara, and official residence of the Fifth Dalai Lama. Less known, however, is that the Potala also came to symbolise military readiness. It acquired this new martial function in 1667, when an armoury, called Dorjéling (Rdo rje gling), was set up at the base of the White Palace. The Fifth Dalai Lama memorialised its establishment with a poetic text, which is included in volume nineteen (ma) of his collected works. This paper examines this text, which provides information both on the contents of the armoury and on the logic employed to justify the creation of spaces dedicated to military preparedness within a palace that was fast becoming one of the most revered sites in the Tibetan sphere.

description: Annali di Ca’ Foscari. Serie orientale
Soziale Innovationen in Transformationsprozessen - die Energiewende
Creators: name: Wittmayer, Julia
name: Hielscher, Sabine
name: Rohde, Friederike
name: Rogge, Karoline
name: :Unav
Publisher: name: Fraunhofer-Gesellschaft
Year: 2021
Subjects: Soziale Innovation
Energiewende
Deutschland
Institutionalisierungsarbeit
Experimentieren

description: Mit zunehmender Dringlichkeit der Klimakrise und dem Fortschreiten der Energiewende wird es stets wichtiger, die sozialen und politischen Dynamiken von Transformationsprozessen zu verstehen und diese so zu beeinflussen, dass das Energiesystem und andere Systeme nicht nur klimaneutral, sondern auch sozial gerechter werden. Vor diesem Hintergrund wird in diesem Buchkapitel ein Verständnis von sozialen Innovationen in der Energiewende entwickelt, das die Aufmerksamkeit auf deren transformatives Potenzial und damit auf die Wechselwirkungen zwischen sozialen Innovationen und der bestehenden institutionellen Ordnung lenkt
From Matchlocks to Machine Guns: The Modernisation of the Tibetan Army’s Firearms Between Local Production and Import (1895-1950)
Creators: name: Travers, Alice
Publisher: name: Fondazione Università Ca’ Foscari Venezia, Italia
Year: 2021

description:

Between 1895 and 1950, the Tibetan government took several steps to improve the firearms and artillery of its troops, setting up local factories and negotiating with foreign powers to purchase arms manufactured abroad. These imports were directly related to the political relationship with these countries and required the introduction and diffusion of new knowledge and techniques among Tibetan troops. Based on Tibetan and English sources, this article discusses some of the challenges met by the Tibetan government in this process and gives an overview of the variety of modern firearms that the Tibetan army used in the early twentieth century.

description: Annali di Ca’ Foscari. Serie orientale
Spectral Characterization of Optical Aberrations in Fluidic Lenses
Creators: name: Puentes, Graciana
name: Minotti, Fernando
Publisher: name: arXiv
Year: 2023
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We report an extensive numerical study and supporting experimental results on the spectral characterization of optical aberrations in macroscopic fluidic lenses with tunable focal distance and aperture shape. Using a Shack-Hartmann wave-front sensor we experimentally reconstruct the near-field wave-front transmitted by the fluidic lenses, and we characterize the chromatic aberrations in terms of Zernike polynomials in the visible range. Moreover, we further classify the spectral response of the lenses using clustering techniques, in addition to correlation and convolution measurements. Experimental results are in agreement with our theoretical model of the non-linear deformation of thin elastic membranes.
description: 18 pages, 13 figures. Accepted for publication in Frontiers in Physics
CITiZAN explores wrecks in the rain
Creators: name: White, Steve
Publisher: name: Archaeology Data Service
Year: 2015

description: This resource is a single blog post created as part of the Day of Archaeology initiative. The Day of Archaeology project aimed to provide a window into the daily lives of archaeologists from all over the world. The project asked people working, studying or volunteering in the archaeological world to participate in a 'Day of Archaeology' each year by recording their day and sharing it through text, images or video on the Day of Archaeology blog.
The project asked anyone with a personal, professional or voluntary interest in archaeology to get involved, and help highlight the reasons why archaeology is vital to protect the past and inform our futures. The resulting Day of Archaeology project archive demonstrates the wide variety of work the archaeological profession undertakes day-to-day across the globe, and helps to raise public awareness of the relevance and importance of archaeology to the modern world.
The first ever Day of Archaeology was held in 2011 and, since then, the project had thousands of archaeologists take part in the event, from those working in the field through to specialists working in laboratories and behind computers. The last Day of Archaeology was on Friday 28th July 2017.
A Distributed Platform for Mechanism Design
Creators: name: Apt, Krzysztof R.
name: Arbab, Farhad
name: Ma, Huiye
Publisher: name: arXiv
Year: 2008
Subjects: subject: Computer Science and Game Theory (cs.GT)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: FOS: Computer and information sciences
subject: C.2.4; J.4

description: We describe a structured system for distributed mechanism design. It consists of a sequence of layers. The lower layers deal with the operations relevant for distributed computing only, while the upper layers are concerned only with communication among players, including broadcasting and multicasting, and distributed decision making. This yields a highly flexible distributed system whose specific applications are realized as instances of its top layer. This design supports fault-tolerance, prevents manipulations and makes it possible to implement distributed policing. The system is implemented in Java. We illustrate it by discussing a number of implemented examples.
description: 6 pages. To appear in the Proc. of International Conference on Computational Intelligence for Modelling, Control and Automation, IEEE Society
Real-time dynamics of axial charge and chiral magnetic current in a non-Abelian expanding plasma
Creators: name: Grieninger, Sebastian
name: Morales-Tejera, Sergio
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Understanding axial charge dynamics driven by changes in Chern-Simons number densities is a key aspect in understanding the chiral magnetic effect (CME) in heavy-ion collisions. Most phenomenological simulations assume that a large amount of axial charge is produced in the initial stages and that axial charge is conserved throughout the simulation. Within an (expanding) homogeneous holographic plasma, we investigate the real-time axial charge relaxation dynamics and their impact on the chiral magnetic current. Moreover, we discuss the real-time interplay of the non-Abelian and the Abelian chiral anomaly in the presence of a strong magnetic field. In the expanding plasma, the Chern-Simons diffusion rate and thus the axial charge relaxation rate are time dependent due to the decaying magnetic field. We quantify the changes in the late time falloffs and establish a horizon formula for the chiral magnetic current.
description: 14+2 pages, 6+4 figures; v2: matches version published in PRD; added references; title change to conform with APS conventions;
Turning the tap : drinking water governance & public health in Tasmania : a sociological study
Creators: name: Whelan, JJ
Publisher: name: University Of Tasmania
Year: 2023

description: This thesis provides a sociological investigation of the key processes and issues underpinning the control, management and provision of drinking water in Tasmania. Drinking water is an increasingly important social issue, not only because it is a fundamental human need, but also because the quality and quantity of drinking water resources are declining within Australia and worldwide. This study examines how governments and policy makers are responding to drinking water issues and the social, political and economic conditions, under which these responses are taking place. The research draws on semi-structured interviews with drinking water managers, providers and regulators to describe and explore how drinking water is governed in the state of Tasmania. A thematic analysis of the data was conducted which enabled a probing interpretation of drinking water governance and the processes of management, provision and public health regulation. Key texts relating to drinking water (legislation, policies/media documentation) were also used to inform the research and to contextualise the study from a national and international perspective. This study found that the management, control and regulation of drinking water in Tasmania particularly in regards to the protection of public health, is surrounded by contention, ambiguity and tension. The findings suggest that the institutional judgements and decisions pertaining to the management and regulation of safe drinking water is problematic, and that interpretations and constructions of risk are vastly different among managers and regulators of drinking water. The localised effects of national economic reform and global neo-liberal policy are also shown to be impacting on.the equitable provision of safe and plentiful drinking water in this state. The thesis builds on and adds to environmental sociology by drawing on risk and political economy perspectives to explore the key processes supporting the governance of drinkfog water. It concludes with a discussion of different strategies for managing safe drinking water and points to the need for further sociological investigation into water issues as a social problem.