cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Optical Micro- and Nanofiber Pulling Rig
Creators: name: Ward, J. M.
name: Maimaiti, A.
name: Le, Vu H.
name: Chormaic, S. Nic
Publisher: name: arXiv
Year: 2014
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We review the method of producing adiabatic optical micro- and nanofibers using a hydrogen/oxygen flame brushing technique. The flame is scanned along the fiber, which is being simultaneously stretched by two translation stages. The tapered fiber fabrication is reproducible and yields highly adiabatic tapers with either exponential or linear profiles. Details regarding the setup of the flame brushing rig and the various parameters used are presented. Information available from the literature is compiled and further details that are necessary to have a functioning pulling rig are included. This should enable the reader to fabricate various taper profiles, while achieving adiabatic transmission of ~ 99% for fundamental mode propagation. Using this rig, transmissions ranging from 85-95% for higher order modes in an optical nanofiber have been obtained.
Surface phase transitions in a (1+1)-dimensional $SU(2)_1$ conformal field theory boundary coupled to a (2+1)-dimensional $Z_2$ bulk
Creators: name: Wang, Zhe
name: Ning, Shang-Qiang
name: Liu, Zenan
name: Rong, Junchen
name: Wang, Yan-Cheng
name: Yan, Zheng
name: Guo, Wenan
Publisher: name: arXiv
Year: 2024
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We design a (2+1))-dimensional [(2+1)D] quantum spin model in which spin-1/2 ladders are coupled through antiferromagnetic Ising interactions. The model hosts a quantum phase transition in the (2+1)D $Z_2$ universality class from the Haldane phase to the antiferromagnetic Ising ordered phase. We focus on studying the surface properties of three different surface configurations when the Ising couplings are tuned. Different behaviors are found on different surfaces. We find ordinary and two different extraordinary surface critical behaviors (SCBs) at the bulk critical point. The ordinary SCBs belong to the surface universality class of the classical 3D Ising bulk transition. One extraordinary SCBs is induced by the topological properties of the Haldane phase. Another extraordinary SCBs at the bulk critical point is induced by an unconventional surface phase transition where the surface develops an Ising order before the bulk. This surface transition is realized by coupling a (1+1)-dimensional [(1+1)D] $SU(2)_1$ CFT boundary to a (2+1)D bulk with $Z_2$ symmetry. We find that the transition is neither a (1+1)D $Z_2$ transition, expected based on symmetry consideration, nor a Kosterlitz-Thouless-like transition, violating the previous theoretical prediction. This new surface phase transition and related extraordinary SCBs deserve further analytical and numerical exploration.
description: 11 pages, 14 figures
ปัจจัยที่ส่งผลต่อความสำเร็จของการบริหารงานบุคคลในสถานศึกษา สังกัดสำนักงานเขตพื้นที่การศึกษามัธยมศึกษา เขต 3 จังหวัดพระนครศรีอยุธยา
Creators: name: กันยาพร โคจรตระกูล
name: เอกวิทย์ โทปุรินทร์
name: สุเมธ งามกนก
Publisher: name: สถาบันวิจัยและพัฒนา มหาวิทยาลัยศิลปากร
Year: 2561
Subjects: ปัจจัย
ความสำเร็จของการบริหารงานบุคคล
สำนักงานเขตพื้นที่การศึกษามัธยมศึกษา เขต 3

description: วารสารมหาวิทยาลัยศิลปากร, 38, 6, 155-179
AN EXPERIMENTAL STUDY ON ROLE OF PLATELET RICH PLASMA (PRP) IN BONE HEALING IN RABBIT MODEL
Creators: name: GHARPINDE, MILIND
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 320216
subject: Orthopaedics

description: PRP is autologous, meaning that there is no chance of immunological rejection or disease transmission because it is made from the individual's blood. PRP is a powerful source of regeneration factors since it contains more platelets and their growth factors than whole blood does. PRP has the capacity to stimulate osteogenesis, or the development of new bone tissue, in conjunction with growth factors and stem cells. This study intends to broaden PRP's contribution to better fracture healing results. The findings of this investigation will to the standardization of PRP's use in human fracture repair and improved outcomes.In this experiment, New Zealand White rabbits were used as the chosen animal model, representing an essential step toward understanding the clinical applications of PRP. Fractures were deliberately created on the rabbits' long bones, after which they were segregated into three groups: one treated with PRP every 4th day, the other with PRP every 7th day for the last group no PRP will be given. Fracture healing progress was tracked over time, employing evaluation methods, including radiological X-ray analysis.Our findings demonstrated significant disparities in fracture healing between the three groups. Groups treated with PRP every 4th and 7th day exhibited an accelerated rate of fracture healing as compared to groups treated without PRP.Our experimental comparative study highlights the substantial potential of PRP in bone healing accelerators in a rabbit model, surpassing the outcomes observed with groups treated without PRP. Results underscore the clinical promise of PRP as an efficacious therapeutic approach for bone healing. However, further research is essential to confirm these outcomes and to explore the underlying mechanisms responsible for these differences, shedding light on the broader applications of PRP in the management of bone healing. This study contributes to our understanding of PRP's therapeutic potential, paving the way for future investigations in the field.
Kernel-based Distance Metric Learning in the Output Space
Creators: name: Li, Cong
name: Georgiopoulos, Michael
name: Anagnostopoulos, Georgios C.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: In this paper we present two related, kernel-based Distance Metric Learning (DML) methods. Their respective models non-linearly map data from their original space to an output space, and subsequent distance measurements are performed in the output space via a Mahalanobis metric. The dimensionality of the output space can be directly controlled to facilitate the learning of a low-rank metric. Both methods allow for simultaneous inference of the associated metric and the mapping to the output space, which can be used to visualize the data, when the output space is 2- or 3-dimensional. Experimental results for a collection of classification tasks illustrate the advantages of the proposed methods over other traditional and kernel-based DML approaches.
description: 11 pages, 7 figures, appeared in the Proceedings of 2013 International Joint Conference on Neural Networks (IJCNN)
Measurement of WZ and ZZ production in pp collisions at sqrt(s) = 8 TeV in final states with b-tagged jets
Creators: name: CMS Collaboration
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Measurements are reported of the WZ and ZZ production cross sections in proton-proton collisions at sqrt(s) = 8 TeV in final states where one Z boson decays to b-tagged jets. The other gauge boson, either W or Z, is detected through its leptonic decay (either W to e nu, mu nu or Z to e+ e-, mu+ mu-, or nu anti-nu). The results are based on data corresponding to an integrated luminosity of 18.9 inverse femtobarns collected with the CMS detector at the Large Hadron Collider. The measured cross sections, sigma(pp to WZ) = 30.7 +/- 9.3 (stat.) +/- 7.1 (syst.) +/- 4.1 (th.) +/- 1.0 (lum.) pb and sigma(pp to ZZ) = 6.5 +/- 1.7 (stat.) +/- 1.0 (syst.) +/- 0.9 (th.) +/- 0.2 (lum.) pb, are consistent with next-to-leading order quantum chromodynamics calculations.
description: Replaced with published version
Embedding Unimodular Gravity in String Theory
Creators: name: Garay, Luis J.
name: García-Moreno, Gerardo
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Unimodular Gravity is a theory displaying Weyl rescalings of the metric and transverse (volume-preserving) diffeomorphisms as gauge symmetries, as opposed to the full set of diffeomorphisms displayed by General Relativity. Recently, we presented a systematic comparison of both theories, concluding that both of them are equivalent in everything but the behaviour of the cosmological constant under radiative corrections. A careful study of how Unimodular Gravity can be embedded in the string theory framework has not been provided yet and was not analyzed there in detail. In this article, we provide such an explicit analysis, filling the gap in the literature. We restrict ourselves to the unoriented bosonic string theory in critical dimension for the sake of simplicity, although we argue that no differences are expected for other string theories. Our conclusions are that both a Diff and a WTDiff invariance principle are equally valid for describing the massless excitations of the string spectrum.
description: 28 pages, no figures; v2: Matches the published version. A short discussion concerning String Field Theory added
Identifying the `Fingerprint' of Antiferromagnetic Spin-Fluctuations on Iron-Pnictide Superconductivity
Creators: name: Allan, Milan P.
name: Lee, Kyungmin
name: Rost, Andreas W.
name: Fischer, Mark H.
name: Massee, Freek
name: Kihou, Kunihiro
name: Lee, Chul-Ho
name: Iyo, Akira
name: Eisaki, Hiroshi
name: Chuang, Tien-Ming
name: Davis, J. C.
name: Kim, Eun-Ah
Publisher: name: arXiv
Year: 2014
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Cooper pairing in the iron-based high-Tc superconductors is often conjectured to involve bosonic fluctuations. Among the candidates are antiferromagnetic spin-fluctuations and d-orbital fluctuations amplified by phonons. Any such electron-boson interaction should alter the electron's `self-energy', and then become detectable through consequent modifications in the energy dependence of the electron's momentum and lifetime. Here we introduce a theoretical/experimental approach aimed at identifying the relevant fluctuations of iron-based superconductors by measuring effects of their self-energy. We use quasiparticle interference (QPI) imaging techniques in LiFeAs to reveal strongly momentum-space anisotropic self-energy signatures that are focused along the Fe-Fe (interband scattering) direction, where the spin fluctuations of LiFeAs are concentrated. These effects coincide in energy with perturbations to the density-of-states N(ω) usually associated with the Cooper pairing interaction. We show that all the measured phenomena comprise the predicted QPI `fingerprint' of a self-energy due to antiferromagnetic spin-fluctuations, thereby distinguishing them as the predominant electron-boson interaction.
A power spectrum approach to the search for Axion-like Particles from resolved galaxy clusters using CMB as a backlight
Creators: name: Mehta, Harsh
name: Mukherjee, Suvodip
Publisher: name: arXiv
Year: 2024
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Axions or ALPs are hypothetical particles predicted by BSM theories, which make one of the dark matter candidates. These particles can convert into photons and vice-versa in the presence of magnetic field, with a probability decided by its coupling strength $\mathrm{g_{aγ}}$. One of the ways to detect these particles is using the CMB as a backlight. As the CMB photons pass through a galaxy cluster, they can get converted into ALPs in the mass range $10^{-15}$ eV to $10^{-11}$ eV through resonant conversion in the presence of cluster magnetic fields. This leads to a polarized spectral distortion ($α$-distortion) in the CMB as the photon polarization parallel to the magnetic field in the galaxy cluster is involved in the conversion. The fluctuations in the magnetic field and electron density in a galaxy cluster lead to spatially varying $α$-distortion around the cluster, with a power spectrum that is different from the lensed CMB polarization power spectrum for the standard model of cosmology. By measuring the difference in the polarization power spectrum around a galaxy cluster from the all-sky signal, one can find new $α$-distortion in the sky. For galaxy clusters resolvable in multiple EM bands, one can measure the coupling strength $\mathrm{g_{aγ}}$ from the ALP power spectrum. Using multi-frequency techniques like ILC to clean the foregrounds, we show that the new power spectrum-based approach of the resolved galaxy clusters from upcoming CMB experiments such as Simons Observatory and CMB-S4 can detect (or put constraints) on the ALP-photon coupling strength of $\mathrm{g_{aγ} < 5.2 \times 10^{-12} \, GeV^{-1}}$ and $\mathrm{g_{aγ} < 3.6 \times 10^{-12} \, GeV^{-1}}$ at 95\% C.I. respectively for ALPs of masses $10^{-13}$ eV or for smaller $\mathrm{g_{aγ}}$ for lighter ALP masses (Abridged).
description: 34 pages, 19 figures, 5 tables, Published in JCAP
ปัจจัยความสำเร็จของการดูแลช่วยเหลือนักเรียน ที่มีผลต่อคุณภาพนักเรียนโรงเรียนประถมศึกษา
Creators: name: มยุรี สารีบุตร
name: อุทัย ภิรมย์รื่น
Publisher: name: สถาบันวิจัยและพัฒนา มหาวิทยาลัยศิลปากร
Year: 2561
Subjects: การดูแลช่วยเหลือนักเรียน
ปัจจัยความสำเร็จ
คุณภาพนักเรียน

description: วารสารมหาวิทยาลัยศิลปากร, 38, 6, 180-199
Descripción de la fauna Selacea del mioceno medio del miembro Los Indios de la formación playa Rosarito, Baja California, México /
Creators: name: Gonzalez Barba, Gerardo
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: QE852.S5 G65 1990

description: La fauna la Misión está formada por una abundante y diversa asociación faunística, la cual está representada tanto por invertebrados como vertebrados.
María Goyri y Carolina Michaëlis: Líneas paralelas en el estudio del romancero
Creators: name: Asensio Jiménez, Nicolás
Publisher: name: Zenodo
Year: 2022
Subjects: Romancero
Spanish Literature
Portuguese Literature
Medieval Literature
Spanish Golden Age
Feminism
María Goyri
Carolina Michaëlis
Romance philology

description: Participación en el Colóquio Ibéricas - Mulheres e mediação cultural no espaço peninsular, celebrado en la Universidade de Lisboa los días 23, 24 y 25 de noviembre de 2022. Además de la presentación de la comunicación titulada «María Goyri y Carolina Michaëlis: Líneas paralelas en el estudio del romancero», se adjunta a continuación el resumen: «Carolina Michaëlis (1851-1925) y María Goyri (1873-1954) son dos figuras clave para el estudio del romancero panhispánico. La filóloga alemana-portuguesa fue una pionera en este campo al realizar en 1875 una de las primeras ediciones del Romancero del Cid, que hasta la fecha es la más completa con más de doscientos romances compilados; pero sobre todo destaca por sus Estudos sobre o Romanceiro Peninsular: Romances Velhos em Portugal, publicados entre 1907 y 1909, donde inventarió y estudió 300 referencias romancísticas en la literatura portuguesa medieval y renacentista. María Goyri recorrió con su marido numerosos pueblos de España en busca de romances y fue la responsable de clasificar, ordenar y catalogar las miles de versiones recopiladas de la tradición oral moderna que configuran el Archivo del Romancero Menéndez Pidal - Goyri. También dedicó numerosas publicaciones al estudio de romances viejos y, especialmente, a la influencia del romancero tradicional en Lope de Vega. Sin embargo, su obra más importante como filóloga, fue la identificación de 2000 referencias a romances en la literatura española de los siglos XV, XVI y XVII, un proyecto claramente inspirado en el trabajo previo de su homóloga alemano-portuguesa. El objetivo de esta comunicación es revisar las aportaciones de Carolina Michäelis y María Goyri en el estudio del romancero resaltando los paralelos y conexiones entre ambas filólogas.»
Mechanical mode imaging of a high-Q hybrid hBN/Si$_3$N$_4$ resonator
Creators: name: Jaeger, David
name: Fogliano, Francesco
name: Ruelle, Thibaud
name: Lafranca, Aris
name: Braakman, Floris
name: Poggio, Martino
Publisher: name: arXiv
Year: 2023
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Applied Physics (physics.app-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We image and characterize the mechanical modes of a 2D drum resonator made of hBN suspended over a high-stress Si$_3$N$_4$ membrane. Our measurements demonstrate hybridization between various modes of the hBN resonator and those of the Si$_3$N$_4$ membrane. The measured resonance frequencies and spatial profiles of the modes are consistent with finite-element simulations based on an idealized geometry. Spectra of the thermal motion reveal that, depending on the degree of hybridization with modes of the heavier and higher-quality-factor Si$_3$N$_4$ membrane, the quality factors and the motional mass of the hBN drum modes can be shifted by orders of magnitude. This effect could be exploited to engineer hybrid drum/membrane modes that combine the low motional mass of 2D materials with the high quality factor of Si$_3$N$_4$ membranes for optomechanical or sensing applications.
description: 16 pages, 4 figure, 1 supplementary section (6 pages, 3 figures)
UNDERSTANDING THE VITAL ROLE OF GENETIC COUNSELING IN PRENATAL DIAGNOSIS
Creators: name: Brandl, Edenilson
Publisher: name: Zenodo
Year: 2023
Subjects: Genetic Counseling
Prenatal Diagnosis
Pregnancy Counseling
Informed Decision-Making
Emotional Support
Ethical Considerations
Patient Autonomy
Non-Invasive Prenatal Testing (NIPT)
Healthcare Professionals
Interdisciplinary Perspectives

description: This article presents a comprehensive exploration of the vital role of genetic counseling in prenatal diagnosis. The research methodology employed a systematic review approach, integrating scholarly books, reference works, academic databases, interviews with healthcare professionals, patient experiences, and multimedia content. The study focused on empowering expectant parents with knowledge and support necessary for informed decision-making during prenatal diagnosis. Genetic counseling was found to go beyond the mere provision of information, offering invaluable emotional and psychological support. The research emphasized the ethical dimensions of genetic counseling, including informed consent, patient autonomy, and respect for diverse perspectives. The findings underscored the dynamic nature of genetic counseling, adapting to advancing technologies such as non-invasive prenatal testing and genomic integration. The article provides a nuanced understanding of genetic counseling's multifaceted dimensions, emphasizing its significance in facilitating informed choices and emotional well-being for individuals and families navigating the complexities of prenatal care.
 
Dieser Artikel präsentiert eine umfassende Untersuchung der entscheidenden Rolle der genetischen Beratung in der Pränataldiagnostik. Die Forschungsmethodik beruhte auf einem systematischen Überprüfungsansatz, der wissenschaftliche Bücher, Nachschlagewerke, wissenschaftliche Datenbanken, Interviews mit medizinischem Fachpersonal, Patientenerfahrungen und Multimedia-Inhalte einbezog. Die Studie konzentrierte sich darauf, werdenden Eltern das Wissen und die Unterstützung zu vermitteln, die sie für eine fundierte Entscheidungsfindung während der pränatalen Diagnose benötigen. Es zeigte sich, dass die genetische Beratung über die bloße Bereitstellung von Informationen hinausgeht und unschätzbare emotionale und psychologische Unterstützung bietet. Die Forschung betonte die ethischen Dimensionen der genetischen Beratung, einschließlich der Einwilligung nach Aufklärung, der Patientenautonomie und der Achtung unterschiedlicher Perspektiven. Die Ergebnisse unterstrichen den dynamischen Charakter der genetischen Beratung, die sich an fortschrittliche Technologien wie nicht-invasive pränatale Tests und genomische Integration anpasst. Der Artikel bietet ein differenziertes Verständnis der vielfältigen Dimensionen der genetischen Beratung und betont ihre Bedeutung für die Erleichterung fundierter Entscheidungen und das emotionale Wohlbefinden von Einzelpersonen und Familien, die sich mit der Komplexität der Schwangerschaftsvorsorge auseinandersetzen müssen.
On demand generation of propagation invariant photons with orbital angular momentum
Creators: name: Jerónimo-Moreno, Y.
name: Jáuregui, R.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the generation of propagation invariant photons with orbital angular momentum by spontaneous parametric down conversion (SPDC) using a Bessel-Gauss pump beam. The angular and conditional angular spectra are calculated for an uniaxial crystal optimized for type I SPDC with standard Gaussian pump beams. It is shown that, as the mean value of the magnitude of the transverse wave vector of the pump beam increases, the emission cone is deformed into two non coaxial cones that touch each other along a line determined by the orientation of the optical axis of the nonlinear crystal. At this location, the conditional spectrum becomes maximal for a pair of photons, one of which is best described by a Gaussian-like photon with a very small transverse wave vector, and the othera Bessel-Gauss photon with a distribution of transverse wave vectors similar in amplitude to that of the incident pump beam. A detailed analysis is then performed of the angular momentum content of SPDC photons by the evaluation of the corresponding transition amplitudes. As a result, we obtain conditions for the generation of heralded single photons which are approximately propagation invariant and have orbital angular momentum. A discussion is given about the difficulties in the interpretation of the results in terms of conservation of optical orbital angular momentum along the vector normal to the crystal surface. The angular spectra and the conditional angular spectra are successfully compared with available experimental data recently reported in the literature.
description: 13 pages, 5 figures
Computational modeling to determine the physical characteristics of biological tissues for medical diagnosis
Creators: name: Polyakov, Maxim
Publisher: name: arXiv
Year: 2023
Subjects: subject: Medical Physics (physics.med-ph)
subject: Numerical Analysis (math.NA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Timely diagnosis of breast cancer is an important task. This type of breast cancer is one of the most common diseases. The method of microwave radiothermometry is a promising direction for solving this problem. The method is based on measuring internal temperature of biological tissues in microwave frequency range. Computer simulations are used to improve the quality of diagnostics. Computer models make it possible to evaluate the effect of heat release in a malignant tumor on the thermal dynamics inside the mammary gland. It is necessary to build personalized models, taking into account the individual nature of the internal structure of the mammary gland in each patient. One of the problems is the determination of biophysical characteristics of biological components. Methods for determining these characteristics using computer simulations are proposed. The coefficient of thermal conductivity and specific heat of biological tissues are determined from known temperature distributions. Finding the physical parameters for a quasihomogeneous biological tissue is the first approximation for solving this problem. The least squares method is used as a solution method. The results obtained are in good agreement with previously known exact solutions, which indicates the applicability of this method for solving this class of problems. The efficiency of using parallel technologies in solving the inverse problem is investigated and the applicability of Open MP technology is demonstrated.
Synchronization transitions on connectome graphs with external force
Creators: name: Ódor, Géza
name: Papp, István
name: Deng, Shengfeng
name: Kelling, Jeffrey
Publisher: name: arXiv
Year: 2023
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Biological Physics (physics.bio-ph)
subject: Neurons and Cognition (q-bio.NC)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: We investigate the synchronization transition of the Shinomoto-Kuramoto model on networks of the fruit-fly and two large human connectomes. This model contains a force term, thus is capable of describing critical behavior in the presence of external excitation. By numerical solution we determine the crackling noise durations with and without thermal noise and show extended non-universal scaling tails characterized by $2< τ_t < 2.8$, in contrast with the Hopf transition of the Kuramoto model, without the force $τ_t=3.1(1)$. Comparing the phase and frequency order parameters we find different transition points and fluctuations peaks as in case of the Kuramoto model. Using the local order parameter values we also determine the Hurst (phase) and $β$ (frequency) exponents and compare them with recent experimental results obtained by fMRI. We show that these exponents, characterizing the auto-correlations are smaller in the excited system than in the resting state and exhibit module dependence.
description: 11 pages, 12 figures
Amplification of Angular Rotations Using Weak Measurements
Creators: name: Magana-Loaiza, Omar S.
name: Mirhosseini, Mohammad
name: Rodenburg, Brandon
name: Boyd, Robert W.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present a weak measurement protocol that permits a sensitive estimation of angular rotations based on the concept of weak-value amplification. The shift in the state of a pointer, in both angular position and the conjugate orbital angular momentum bases, is used to estimate angular rotations. This is done by an amplification of both the real and imaginary parts of the weak-value of a polarization operator that has been coupled to the pointer, which is a spatial mode, via a spin-orbit coupling. Our experiment demonstrates the first realization of weak-value amplification in the azimuthal degree of freedom. We have achieved effective amplification factors as large as 100, providing a sensitivity that is on par with more complicated methods that employ quantum states of light or extremely large values of orbital angular momentum.
description: 5 pages, 3 figures, contains supplementary information
Evidence of the low-lying baryon $Σ^*(1/2^-)$ in the process $Λ_c^+\to ηπ^+Λ$
Creators: name: Lyu, Wen-Tao
name: Zhang, Sheng-Chao
name: Wang, Guan-Ying
name: Wu, Jia-Jun
name: Wang, En
name: Geng, Li-Sheng
name: Xie, Ju-Jun
Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Motivated by the Belle measurements of the process $Λ_c^+\to ηπ^+Λ$, we investigate this process by considering the contributions from the $Λ(1670)$, $a_0(980)$, and $Σ(1385)$. In addition, we also consider the predicted low-lying baryon $Σ^*(1/2^-)$. Our results involving the $Σ^*(1/2^-)$ are favored by fitting to the Belle data of the $ηΛ$ and $π^+Λ$ invariant mass distributions. Furthermore, we predict the $ηπ^+$ invariant mass distribution and the angular distribution $dΓ/d{\rm cos}θ$, which are significantly different depending on whether or not the contribution from the $Σ^*(1/2^-)$ is considered. Finally, we show that, with the contribution from the $Σ^*(1/2^-)$, the calculated Dalizt plot agrees with the Belle measurements. Future precise measurements of the process $Λ_c^+\to ηπ^+Λ$ could shed further light on the existence of the low-lying $Σ^*(1/2^-)$.
description: 11 pages, 14 figures, comments are welcome
Caracterización genética del caracol Astraea undosa (Mollusca :
Creators: name: Fernandez Apango, Juan Antonio
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: Astraea||Genética||Caracoles||Genética||Baja California||Oceanología||Biología||Tesis
subject: QL430.5 .T9 F47 1992

description: Se caracterizó genéticamente al caracol Astraea undosa, utilizándose cuatro poblaciones de la región del infralitoral, (Punta Banda, El Rosario, Bahía Tortugas y San Ignacio), de la Península de Baja California,
sQFT: an autonomous explanation of the interactions of quantum particles
Creators: name: Rehren, Karl-Henning
name: Cardoso, Lucas T.
name: Gass, Christian
name: Gracia-Bondía, José M.
name: Schroer, Bert
name: Várilly, Joseph C.
Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences
subject: 81-02, 81T15

description: Successful applications of a conceptually novel setup of Quantum Field Theory, that accounts for all subtheories of the Standard Model (QED, Electroweak Interaction and Higgs, Yang-Mills and QCD) and beyond (Helicity 2), call for a perspective view in a broader conceptual context. The setting is "autonomous" in the sense of being intrinsically quantum. Its principles are: Hilbert space, Poincaré symmetry and causality. Its free quantum fields are obtained from Wigner's unitary representations of the Poincaré group, with only physical and observable degrees of freedom. A "quantization" of an "underlying" classical theory is not needed. It allows renormalizable perturbation theory with interactions whose detailed structure, and in some cases even the particle content, is predicted by internal consistency. The results confirm and extend observable predictions for the interactions of the SM without assuming a "principle" of gauge invariance.
description: v2: published version, including some updates and added references. 23 pages
การสอนคำศัพท์ที่ปรากฏร่วมกันเพื่อส่งเสริมความสามารถในการอ่านและการเขียนภาษาอังกฤษของนักศึกษาระดับปริญญาตรี
Creators: name: กิตติมา สิงห์สนธิ์
name: นิธิดา อดิภัทรนันท์
Publisher: name: สถาบันวิจัยและพัฒนา มหาวิทยาลัยศิลปากร
Year: 2561
Subjects: การสอนคำศัพท์ที่ปรากฏร่วมกัน
ความสามารถในการอ่านภาษาอังกฤษ
ความสามารถในการเขียนภาษาอังกฤษ

description: วารสารมหาวิทยาลัยศิลปากร, 38, 6, 200-218
Modeling the Formation of Globular Cluster Systems in the Virgo Cluster
Creators: name: Li, Hui
name: Gnedin, Oleg Y.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The mass distribution and chemical composition of globular cluster (GC) systems preserve fossil record of the early stages of galaxy formation. The observed distribution of GC colors within massive early-type galaxies in the ACS Virgo Cluster Survey (ACSVCS) reveals a multi-modal shape, which likely corresponds to a multi-modal metallicity distribution. We present a simple model for the formation and disruption of GCs that aims to match the ACSVCS data. This model tests the hypothesis that GCs are formed during major mergers of gas-rich galaxies and inherit the metallicity of their hosts. To trace merger events, we use halo merger trees extracted from a large cosmological N-body simulation. We select 20 halos in the mass range of $2\times 10^{12}$ to $7\times 10^{13}M_\odot$ and match them to 19 Virgo galaxies with K-band luminosity between $3\times 10^{10}$ and $3\times 10^{11}L_\odot$. To set the [Fe/H] abundances, we use an empirical galaxy mass-metallicity relation. We find that a minimal merger ratio of 1:3 best matches the observed cluster metallicity distribution. A characteristic bimodal shape appears because metal-rich GCs are produced by late mergers between massive halos, while metal-poor GCs are produced by collective merger activities of less massive hosts at early times. The model outcome is robust to alternative prescriptions for cluster formation rate throughout cosmic time, but a gradual evolution of the mass-metallicity relation with redshift appears to be necessary to match the observed cluster metallicities. We also affirm the age-metallicity relation, predicted by an earlier model, in which metal-rich clusters are systematically several billion years younger than their metal-poor counterparts.
description: 14 pages, 15 figures, Accepted for publication in the Astrophysical Journal
Modeling sustained transmission of Wolbachia among Anopheles mosquitoes: Implications for malaria control in Haiti
Creators: name: Florez, Daniela
name: Young, Alyssa
name: Bernabe, Kerlly J.
name: Hyman, James M.
name: Qu, Zhuolin
Publisher: name: arXiv
Year: 2023
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: Wolbachia infection in Anopheles albimanus mosquitoes can render mosquitoes less capable of spreading malaria. We develop and analyze an ordinary differential equation model to evaluate the effectiveness of Wolbachia-based vector control strategies among wild Anopheles mosquitoes in Haiti. The model tracks the mosquito life stages, including egg, larva, and adult (male and female). It also accounts for critical biological effects, such as the maternal transmission of Wolbachia through infected females and cytoplasmic incompatibility, which effectively sterilizes uninfected females when they mate with infected males. We derived and interpreted dimensionless numbers, including the basic reproductive number and next-generation numbers. The proposed system presents backward bifurcation, which indicates a threshold infection that needs to be exceeded to establish a stable Wolbachia infection. The sensitivity analysis ranks the relative importance of the epidemiological parameters at the baseline. We simulate different intervention scenarios, including pre-release mitigation using larviciding and thermal fogging before the release, multiple releases of infected populations, and different release timing. Our simulations show that the most efficient approach to establishing Wolbachia is to release all the infected mosquitoes immediately after the pre-release mitigation process. Also, the model predicts that it is more efficient to release during the dry season than the wet season.
description: Submitted, under review
The effect of AGN feedback on the halo mass function
Creators: name: Cui, Weiguang
name: Borgani, Stefano
name: Murante, Giuseppe
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: [Abridged.] We investigate baryon effects on the halo mass function (HMF), with emphasis on the role played by AGN feedback. Halos are identified with both Friends-of-Friends (FoF) and Spherical Overdensity (SO) algorithms. We embed the standard SO algorithm into a memory-controlled frame program and present the {\bf P}ython spher{\bf I}c{\bf A}l {\bf O}verdensity code --- {\small PIAO}. For both FoF and SO halos, the effect of AGN feedback is that of suppressing the HMFs to a level even below that of Dark Matter simulations. The ratio between the HMFs in the AGN and in the DM simulations is $\sim 0.8$ at overdensity $Δ_c=500$, a difference that increases at higher overdensity $Δ_c=2500$, with no significant redshift and mass dependence. A decrease of the halo masses ratio with respect to the DM case induces the decrease of the HMF in the AGN simulation. The shallower inner density profiles of halos in the AGN simulation witnesses that mass reduction is induced by the sudden displacement of gas induced by thermal AGN feedback. We provide fitting functions to describe halo mass variations at different overdensities, which can recover the HMFs with a residual random scatter $\lt 5$ per cent for halo masses larger than $10^{13} ~h^{-1}{\rm M_\odot}$.
description: 16 pages, 11 figures. Matches to MNRAS published version, typo corrected in the fitting function
Distributional trends in the generation and end-use sector of low-carbon hydrogen plants
Creators: name: James, Nick
name: Menzies, Max
Publisher: name: arXiv
Year: 2023
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: This paper uses established and recently introduced methods from the applied mathematics and statistics literature to study trends in the end-use sector and capacity of low-carbon hydrogen projects in recent and upcoming decades. First, we examine distributions in plants over time for various end-use sectors and classify them according to metric discrepancy, observing clear similarity across all industry sectors. Next, we compare the distribution of usage sectors among different continents and examine the changes in sector distribution over time. Finally, we judiciously apply several regression models to analyse the association between various predictors and the capacity of global hydrogen projects. Across our experiments, we see a welcome exponential growth in the capacity of zero-carbon hydrogen plants and significant growth of new and planned hydrogen plants in the 2020's across every sector.
description: Accepted manuscript. Minor edits since v1. Equal contribution
Wide field-of-view Cherenkov telescope for the detection of cosmic rays in coincidence with the Yakutsk extensive air shower array
Creators: name: Ivanov, A. A.
name: Knurenko, S. P.
name: Krasilnikov, A. D.
name: Petrov, Z. E.
name: Pravdin, M. I.
name: Sleptsov, I. Ye.
name: Timofeev, L. V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The Yakutsk array group is developing a wide field-of-view Cherenkov telescope to be operated in coincidence with the surface detectors of the extensive air shower array. Currently, the engineering prototype of the reflecting telescope with the front-end electronics is designed, assembled, and tested to demonstrate the feasibility of the conceived instrument. The status and specifications of the prototype telescope are presented, as well as the modernization program of the already existing Cherenkov light detectors subset of the array measuring ultra-high energy cosmic rays.
description: 12 pages, 14 figures, 3 tables; accepted for publication in NIM A
Asymmetrical plasmon distribution in hybrid AuAg hollow/solid coded nanotubes
Creators: name: Genç, Aziz
name: Patarroyo, Javier
name: Sancho-Parramon, Jordi
name: Arenal, Raul
name: Bastus, Neus G.
name: Puntes, Victor
name: Arbiol, Jordi
Publisher: name: arXiv
Year: 2023
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Morphological control at the nanoscale paves the way to fabricate nanostructures with desired plasmonic properties. We report the nanoengineering of plasmon resonances in 1D hollow nanostructures of two different AuAg nanotubes; completely hollow nanotubes and hybrid nanotubes comprising solid Ag and hollow AuAg segments. Spatially resolved plasmon mapping by electron energy loss spectroscopy (EELS) revealed the presence of high order resonator-like modes and localized surface plasmon resonance (LSPR) modes in both nanotubes. Experimental findings are accurately correlated with boundary element method (BEM) simulations, where both experiments and simulations revealed that the plasmon resonances are intensely present inside the nanotubes due to plasmon hybridization. Based on the experimental and simulated results reported, we show that the novel hybrid AuAg nanotubes possess two significant coexisting features: (i) LSPRs have been generated distinctively from the hollow and solid parts of the hybrid AuAg nanotube, which opens the way to control a broad range of plasmon resonances with one single nanostructure and (ii) the periodicity of the high-order modes are disrupted due to the plasmon hybridization by the interaction of solid and hollow parts, resulting in an asymmetrical plasmon distribution in 1D nanostructures. The asymmetry could be modulated/engineered leading to control coded plasmonic nanotubes.
Giant Sparks at Cosmological Distances?
Creators: name: Kulkarni, S. R.
name: Ofek, E. O.
name: Neill, J. D.
name: Zheng, Z.
name: Juric, M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Millisecond duration bright radio pulses at 1.4-GHz with high dispersion measures (DM) were reported by Lorimer et al., Keane et al., and Thornton et al. Their all-sky rate is $\approx 10^4$/day above $\sim$1 Jy. Related events are "Perytons" -- similar pulsed, dispersed sources, but most certainly local. Suggested models of fast radio bursts (FRBs) can originate in the Earth's atmosphere, in stellar coronae, in other galaxies, and even at cosmological distances. Using physically motivated assumptions combined with observed properties, we explore these models. In our analysis, we focus on the Lorimer event: a 30 Jy, 5-ms duration burst with DM$=$ 375 cm$^{-3}$ pc, exhibiting a steep frequency-dependent pulse width (the {\it Sparker}). To be complete, we drop the assumption that high DMs are produced by plasma propagation and assume that the source produces pulses with frequency-dependent arrival time ("chirped signals"). Within this framework we explore a scenario in which Perytons, the {\it Sparker}, and the FRBs are all atmospheric phenomenon occurring at different heights. This model is {\it ad hoc} in that we cannot explain why Perytons at higher altitudes show greater DMs or exhibit narrower pulses. Nonetheless, we argue the {\it Sparker} may be a Peryton. We end with two remarks. First, the detection of a single FRB by an interferometer with a kilometer (or longer) baseline will prove that FRBs are of extra-terrestrial origin. Second, we urge astronomers to pursue observations and understanding of Perytons since they form (at least) a formidable foreground for the FRBs.
description: 32 pages, 15 figures accepted to ApJ, to appear in Dec. 1, 2014 v796-2 issue (full-resolution version at http://spartan.srl.caltech.edu/~neill/sparker/ms.pdf [5.0 Mb])
Underestimating extreme events in power-law behavior due to machine-dependent cutoffs
Creators: name: Radicchi, Filippo
Publisher: name: arXiv
Year: 2014
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Computation (stat.CO)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Power-law distributions are typical macroscopic features occurring in almost all complex systems observable in nature. As a result, researchers in quantitative analyses must often generate random synthetic variates obeying power-law distributions. The task is usually performed through standard methods that map uniform random variates into the desired probability space. Whereas all these algorithms are theoretically solid, in this paper we show that they are subject to severe machine-dependent limitations. As a result, two dramatic consequences arise: (i) the sampling in the tail of the distribution is not random but deterministic; (ii) the moments of the sample distribution, which are theoretically expected to diverge as functions of the sample sizes, converge instead to finite values. We provide quantitative indications for the range of distribution parameters that can be safely handled by standard libraries used in computational analyses. Whereas our findings indicate possible reinterpretations of numerical results obtained through flawed sampling methodologies, they also pave the way for the search for a concrete solution to this central issue shared by all quantitative sciences dealing with complexity.
description: 8 pages, 4 figures
Versatile Teacher: A Class-aware Teacher-student Framework for Cross-domain Adaptation
Creators: name: Yang, Runou
name: Tian, Tian
name: Tian, Jinwen
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Addressing the challenge of domain shift between datasets is vital in maintaining model performance. In the context of cross-domain object detection, the teacher-student framework, a widely-used semi-supervised model, has shown significant accuracy improvements. However, existing methods often overlook class differences, treating all classes equally, resulting in suboptimal results. Furthermore, the integration of instance-level alignment with a one-stage detector, essential due to the absence of a Region Proposal Network (RPN), remains unexplored in this framework. In response to these shortcomings, we introduce a novel teacher-student model named Versatile Teacher (VT). VT differs from previous works by considering class-specific detection difficulty and employing a two-step pseudo-label selection mechanism, referred to as Class-aware Pseudo-label Adaptive Selection (CAPS), to generate more reliable pseudo labels. These labels are leveraged as saliency matrices to guide the discriminator for targeted instance-level alignment. Our method demonstrates promising results on three benchmark datasets, and extends the alignment methods for widely-used one-stage detectors, presenting significant potential for practical applications. Code is available at https://github.com/RicardooYoung/VersatileTeacher.
Versos de romances interpolados en la literatura española: el catálogo de María Goyri
Creators: name: Asensio Jiménez, Nicolás
Publisher: name: Zenodo
Year: 2022
Subjects: Romancero
Traditional literature
Textual criticism
Spanish Literature
Medieval Literature
Spanish Golden Age
María Goyri
Ramón Menéndez Pidal

description: Participación en el X Congreso Internacional Lyra minima. Cancioneros y poesía entre los continentes, celebrado en el Ibero-Amerikanisches Institut los días 12, 13, 14 y 15 de octubre de 2022. Además de la presentación de la comunicación titulada "Versos de romances interpolados en la literatura española: el catálogo de María Goyri", se adjunta a continuación el resumen: «A lo largo de toda una vida dedicada a la filología, María Goyri, con la colaboración de Ramón Menéndez Pidal, inventarió alrededor de 2 000 referencias a romances en la literatura española. En su mayoría son citas textuales de versos, aunque también se encuentran alusiones de carácter general a los personajes e historias del romancero. Tal labor compilatoria fue inspirada, en gran medida, por el trabajo precedente de Carolina Michaelis de Vasconcelos quien, entre 1907-1909, en Estudos sobre o romanceiro peninsular: romances velhos em Portugal, había catalogado y estudiado 300 referencias a romances en la literatura portuguesa de los siglos XV, XVI y XVII (este corpus está disponible en una base de datos en línea gracias al proyecto RELIT-Rom, con revisiones y ampliaciones significativas). El catálogo de María Goyri, que, hoy por hoy, setenta años después de la muerte de su autora, permanece inédito en el Archivo de la Fundación Ramón Menéndez Pidal en Madrid, resulta de especial interés para el estudio del romancero. Permite conocer cuáles eran los romances más populares, qué versos pasaron a la mentalidad colectiva en forma de paremias y hasta qué punto influyeron sus historias y personajes en la literatura de la Edad Media y del Siglo de Oro. También resulta fundamental para probar la existencia de romances de los que no se conservan textos y remontar siglos atrás la vida de algunos romances que solo se conservan en la tradición oral moderna. El objetivo de la presente comunicación es dar a conocer este valioso inventario y presentar los trabajos actuales de revisión, ampliación y catalogación de este corpus que lleva a cabo el proyecto GOLDEN-Rom.»