cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Additional file 5 of Clinical and genetic characteristics and prenatal diagnosis of patients presented GDD/ID with rare monogenic causes
Creators: name: Lin, Liling
name: Zhang, Ying
name: Pan, Hong
name: Wang, Jingmin
name: Qi, Yu
name: Ma, Yinan
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 5: Fig. S2. Genes that were reported to have parental germline mosaicism cases.
Composably secure data processing for Gaussian-modulated continuous variable quantum key distribution
Creators: name: Mountogiannakis, Alexander G.
name: Papanastasiou, Panagiotis
name: Braverman, Boris
name: Pirandola, Stefano
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Applied Physics (physics.app-ph)
subject: Computational Physics (physics.comp-ph)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: Continuous-variable (CV) quantum key distribution (QKD) employs the quadratures of a bosonic mode to establish a secret key between two remote parties, and this is usually achieved via a Gaussian modulation of coherent states. The resulting secret key rate depends not only on the loss and noise in the communication channel, but also on a series of data processing steps that are needed for transforming shared correlations into a final string of secret bits. Here we consider a Gaussian-modulated coherent-state protocol with homodyne detection in the general setting of composable finite-size security. After simulating the process of quantum communication, the output classical data is post-processed via procedures of parameter estimation, error correction, and privacy amplification. In particular, we analyze the high signal-to-noise regime which requires the use of high-rate (non-binary) low-density parity check codes. We implement all these steps in a Python-based library that allows one to investigate and optimize the protocol parameters to be used in practical experimental implementations of short-range CV-QKD.
description: Accepted version. The code for data-processing is available on github at https://github.com/softquanta/homCVQKD
Diagnostics of the black hole candidate SS433 with the RXTE
Creators: name: Filippova, E.
name: Revnivtsev, M.
name: Fabrika, S.
name: Postnov, K.
name: Seifina, E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present our analysis of the extensive monitoring of SS433 by the RXTE observatory collected over the period 1996-2005. The difference between energy spectra taken at different precessional and orbital phases shows the presence of strong photoabsorption (N_H>10^{23}cm^{-2}) near the optical star, probably due to its powerful, dense wind. Therefore the size of the secondary deduced from analysis of X-ray orbital eclipses might be significantly larger than its Roche lobe size, which must be taken into account when evaluating the mass ratio from analysis of X-ray eclipses. Assuming that a precessing accretion disk is geometrically thick, we recover the temperature profile in the X-ray emitting jet that best fits the observed precessional variations in the X-ray emission temperature. The hottest visible part of the X-ray jet is located at a distance of l_0/a~0.06-0.09, or ~2-3*10^{11}cm from the central compact object, and has a temperature of about T_{max}~30 keV. We discovered appreciable orbital X-ray eclipses at the ``crossover'' precessional phases (jets are in the plane of the sky, disk is edge-on), which under model assumptions put a lower limit on the size of the optical component R/a>0.5 and an upper limit on a mass ratio of binary companions q=M_x/M_{opt}<0.3-0.35, if the X-ray opaque size of the star is not larger than 1.2R_{Roche, secondary}.
description: 9 pages, 9 figures, accepted for publication in Astronomy and Astrophysics
MPEC 2024-T80 : 2016 TC93
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Το Ψηφιακό Παιχνίδι στη Διδασκαλία της Αγγλικής Γλώσσας στην Πρωτοβάθμια Εκπαίδευση
Creators: name: Μπαμίδου, Άννα Δημητρίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Εκπαιδευτικά ψηφιακά παιχνίδια
Πρωτοβάθμια Εκπαίδευση
Αγγλικά ως ξένη γλώσσα
Digital educational games
Primary education
English as a foreign language

description: Το παιχνίδι είτε ως μια παραδοσιακή δραστηριότητα είτε με ψηφιακή μορφή, συνιστάται για την εκμάθηση της ξένης γλώσσας, ιδιαίτερα σε μαθητές του Δημοτικού Σχολείου. Τη στιγμή που η χρήση νέων τεχνολογιών αποτελεί κυρίαρχο στοιχείο στη σύγχρονη μαθητο-κεντρική τάξη, το παιχνίδι σε ψηφιακή μορφή παίζει πρωτεύοντα ρόλο. Κρίνεται λοιπόν, αντικείμενο προς διερεύνηση και μελέτη. Σε αυτήν την εργασία μελετήθηκαν, μέσω της βιβλιογραφίας, ψηφιακά εκπαιδευτικά παιχνίδια που έχουν εφαρμοστεί τα τελευταία χρόνια κατά τη διδασκαλία της Αγγλικής ως ξένης γλώσσας, η μεθοδολογία που εφαρμόστηκε, συμπεράσματα μετά την εφαρμογή και αξιολογήσεις αυτών. Κατασκευάστηκε ψηφιακό παιχνίδι σχεδιασμένο για μαθητές Δημοτικού Σχολείου. Το μοντέλο που χρησιμοποιήθηκε για τη δημιουργία του παιχνιδιού «Εκμάθηση Σημάτων Οδικής Κυκλοφορίας» είναι το LM-GM. Το παιχνίδι δόθηκε πιλοτικά προς αξιολόγηση σε καθηγητές Αγγλικής Γλώσσας της Πρωτοβάθμιας Εκπαίδευσης. Η αξιολόγηση διερεύνησε την δυνατότητα αξιοποίησης του ψηφιακού παιχνιδιού σε περιβάλλον Δημοτικού Σχολείου, την προσλαμβανόμενη ωφέλεια για τους μαθητές, όπως επίσης και προτάσεις για την επιτυχέστερη χρήση της εφαρμογής. Η ποιοτική αξιολόγηση που διενεργήθηκε κρίνεται συνολικά θετική δεδομένων των περιορισμών και των εμποδίων που προέκυψαν.
description: Playing either as a traditional activity or in digital form is recommended for learning a foreign language, especially for elementary school students. While the use of new technologies is a dominant element in the modern student-centric classroom, digital gaming, especially in the form of serious games, plays a major role. It is, therefore, an object of inquiry and study. In this dissertation, after a literature review of digital educational games/serious games as a means of teaching English as a foreign language, a digital game is designed and implemented for Elementary School students. The game, named “Traffic Signs Game”, was created using the LM-GM model. The game was piloted/evaluated qualitatively by Elementary School teachers of English Language. Evaluation considered the feasibility of using such an approach within the Greek School environment, as well as, the exploration of the perceived usefulness for students. Suggestions and criticisms for improvements were also collected and analyzed. Overall, evaluation reveals positive elements of the whole approach and allows for its future exploitation despite the confronted limitations and burdens of the running period.
Magnetic Feshbach resonances in collisions of $^{23}$Na$^{40}$K with $^{40}$K
Creators: name: Wang, Xin-Yao
name: Frye, Matthew D.
name: Su, Zhen
name: Cao, Jin
name: Liu, Lan
name: Zhang, De-Chao
name: Yang, Huan
name: Hutson, Jeremy M.
name: Zhao, Bo
name: Bai, Chun-Li
name: Pan, Jian-Wei
Publisher: name: arXiv
Year: 2021
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We present measurements of more than 80 magnetic Feshbach resonances in collisions of ultracold $^{23}$Na$^{40}$K with $^{40}$K. We assign quantum numbers to a group of low-field resonances and show that they are due to long-range states of the triatomic complex in which the quantum numbers of the separated atom and molecule are approximately preserved. The resonant states are not members of chaotic bath of short-range states. Similar resonances are expected to be a common feature of alkali-metal diatom + atom systems.
description: 10 pages, 3 figures
The path to metallicity: synthesis of CNO elements in standard BBN
Creators: name: Iocco, F.
name: Mangano, G.
name: Miele, G.
name: Pisanti, O.
name: Serpico, P. D.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We perform a reanalysis of the production of CNO elements in a standard Big Bang Nucleosynthesis scenario. The CNO yields in BBN are suppressed by the low density of the plasma, Coulomb barrier effects and the short time scales involved. Yet, the inclusion of nuclides and reactions traditionally disregarded may lead to an increase relevant enough to affect the pristine Population III stars. After a critical reanalysis and upgrade of the nuclear network our results show no major discrepancies with the ones obtained using a smaller nuclear network. The robustness of the standard predictions-the early generation of star developed in a metal-free environment-is confirmed.
description: 4 pages, 1 eps figure
Partition Eisenstein series and semi-modular forms
Creators: name: Just, Matthew
name: Schneider, Robert
Publisher: name: arXiv
Year: 2021
Subjects: subject: Number Theory (math.NT)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: We identify a class of "semi-modular" forms invariant on special subgroups of $GL_2(\mathbb Z)$, which includes classical modular forms together with complementary classes of functions that are also nice in a specific sense. We define an Eisenstein-like series summed over integer partitions, and use it to construct families of semi-modular forms.
description: 8 pages, 2 figures, published in Research in Number Theory (2021)
Heterotic orbifold models on Lie lattice with discrete torsion
Creators: name: Takahashi, Kei-Jiro
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We provide a new class of Z_N x Z_M heterotic orbifolds on non-factorisable tori, whose boundary conditions are defined by Lie lattices. Generally, point groups of these orbifolds are generated by Weyl reflections and outer automorphisms of the lattices. We classify abelian orbifolds with and without discrete torsion. Then we find that some of these models have smaller Euler numbers than those of models on factorisable tori T^2 x T^2 x T^2. There is a possibility that these orbifolds provide smaller generation numbers of N=1 chiral matter fields than factorisable models.
description: 24 pages, 5 figures; v2: a few errors on tables are corrected, typos corrected, version to appear in JHEP
From n-layer planar ordering to the monolayer homeotropic structure of confined hard rods: The effect of shape anisotropy and wall-to-wall separation
Creators: name: Behzadi, Fahimeh
name: Ghazi, Seyed Mohammad
name: Aliabadi, Roohollah
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Using the Parsons Lee theory we examined the effect of shape anisotropy and the wall to wall separation on the phase behavior of the hard parallelepiped rods with dimensions L, D, and D (L>D) in such narrow slitlike pores which only one homeotropic layer can form. The phase structures, including biaxiality, planar nematic layering transition as well as planar to homeotropic, were studied for some separations in the range 2.5D
Testing the proposed link between cosmic rays and cloud cover
Creators: name: Sloan, T.
name: Wolfendale, A. W.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Astrophysics (astro-ph)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: A decrease in the globally averaged low level cloud cover, deduced from the ISCCP infra red data, as the cosmic ray intensity decreased during the solar cycle 22 was observed by two groups. The groups went on to hypothesise that the decrease in ionization due to cosmic rays causes the decrease in cloud cover, thereby explaining a large part of the presently observed global warming. We have examined this hypothesis to look for evidence to corroborate it. None has been found and so our conclusions are to doubt it. From the absence of corroborative evidence, we estimate that less than 23%, at the 95% confidence level, of the 11-year cycle change in the globally averaged cloud cover observed in solar cycle 22 is due to the change in the rate of ionization from the solar modulation of cosmic rays.
Αλληλεπίδραση του χαλκού(II) και του νικελίου(II) με το μη-στεροειδές αντιφλεγμονώδες φάρμακο sodium meclofenamate
Creators: name: Μπάρμπα, Αμαλία Κωνσταντίνου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Χαλκός
Νικέλιο
Μη-στεροειδή αντιφλεγμονώδη φάρμακα
Νόσος του Alzheimer
Copper
Nickel
Non-steroidal antiinflammatory drugs
Alzheimer’s disease

description: Οι αλληλεπιδράσεις μεταξύ μετάλλων και μορίων με βιολογικές και φαρμακευτικές ιδιότητες είναι μια ερευνητική περιοχή με αυξανόμενο ενδιαφέρον και έχουν συγκεντρώσει μεγάλη προσοχή για την ανάπτυξη νέων φαρμάκων. Τόσο ο χαλκός, όσο και το νικέλιο, αποτελούν δύο από τα απαραίτητα στοιχεία για πλήθος βιολογικών συστημάτων. Ιδιαίτερο ενδιαφέρον παρουσιάζει η συμμετοχή τους σε διάφορες καταλυτικές αντιδράσεις και σε διάφορα ένζυμα, όπως είναι οι σουπεροξειδικές δισμουτάσες. Τα μη-στεροειδή αντιφλεγμονώδη φάρμακα (ΜΣΑΦ) είναι από τα πιο κοινά φάρμακα και χρησιμοποιούνται ως αναλγητικά, αντιφλεγμονώδη και αντιπυρετικά. Το sodium meclofenamate (Namclf) ανήκει στην οικογένεια των φαιναμικών ΜΣΑΦ, η δραστικότητα των οποίων εμφανίζεται συχνά ενισχυμένη σε μορφή συμπλόκων. Στην παρούσα μεταπτυχιακή εργασία, αναφέρεται η σύνθεση και ο χαρακτηρισμός της δομής συμπλόκων ενώσεων του Cu(II) και του Ni(II) με το Namclf παρουσία ή απουσία N-δοτών. Επίσης, αξιολογήθηκε in vitro η σύνδεση των συμπλόκων με calf-thymus DNA και αλβουμίνες βόειου κι ανθρώπινου ορού (BSA και HSA) καθώς και η ανασταλτική δράση των συμπλόκων έναντι των ενζύμων AChE και BuChE και έναντι των ριζών DPPH, ABTS και ROS.
description: Interactions between metals and molecules with biological and pharmaceutical properties are a growing research area and have attracted a great deal of attention to the development of new drugs. Both copper and nickel are among the most important elements involved in a plethora of biological catalytic processes and being present in the active center of many enzymes, such as superoxide dismutase. Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly used as analgesics, antiinflammatories and antipyretics. Sodium meclofenamate (Namclf) belongs to the fenamate NSAIDs, which are more active in the form of metal complexes. In the current MSc Thesis, we report the synthesis and the structural characterization of Cu(II) and Ni(II) complexes with Namclf in the presence or absence of nitrogen-donor co-ligands. In addition, we have evaluated in vitro the binding affinity of the compounds towards calf-thymus DNA and bovine and human serum albumins, as well as their inhibiting ability of the enzymes AChE and BuChE and their ability to scavenge DPPH, ABTS and ROS free radicals.
High-Frequency Acoustic Sediment Classification in Shallow Water
Creators: name: Bentrem, Frank W.
name: Sample, John
name: Kalcic, Maria T.
name: Duncan, Michael E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: FOS: Physical sciences

description: A geoacoustic inversion technique for high-frequency (12 kHz) multibeam sonar data is presented as a means to classify the seafloor sediment in shallow water (40--300 m). The inversion makes use of backscattered data at a variety of grazing angles to estimate mean grain size. The need for sediment type and the large amounts of multibeam data being collected with the Naval Oceanographic Office's Simrad EM 121A systems, have fostered the development of algorithms to process the EM 121A acoustic backscatter into maps of sediment type. The APL-UW (Applied Physics Laboratory at the University of Washington) backscattering model is used with simulated annealing to invert for six geoacoustic parameters. For the inversion, three of the parameters are constrained according to empirical correlations with mean grain size, which is introduced as an unconstrained parameter. The four unconstrained (free) parameters are mean grain size, sediment volume interaction, and two seafloor roughness parameters. Acoustic sediment classification is performed in the Onslow Bay region off the coast of North Carolina using data from the 12kHz Simrad EM 121A multibeam sonar system. Raw hydrophone data is beamformed into 122 beams with a 120-degree swath on the ocean floor, and backscattering strengths are calculated for each beam and for each ping. Ground truth consists of 68 grab samples in the immediate vicinity of the sonar survey, which have been analyzed for mean grain size. Mean grain size from the inversion shows 90\% agreement with the ground truth and may be a useful tool for high-frequency acoustic sediment classification in shallow water.
description: This is a work of the U.S. Government and is not subject to copyright protection in the United States. Foreign copyrights may apply
SERVICE QUALITY MANAGEMENT PRACTICE AND CUSTOMER SATISFACTION OF FOOD, BEVERAGE AND TOBACCO MANUFACTURING FIRMS IN SOUTH EAST, NIGERIA
Creators: name: Okolie, Jonathan, Ibekwe (Ph.D.)
Publisher: name: TOP JOURNAL
Year: 2024
Subjects: service quality management practice, customer satisfaction, reliability and responsiveness, customer score and net promoter score

description: The last decade has witnessed an increase in the acceptance and use of service quality management practices even in the manufacturing industry because service quality is a way of assuring customers of best services. The recent challenge faced by most manufacturing firms in Nigeria is how to adopt a strategy for high-quality services that would satisfy the needs of the customers at a reduced and effective price and still ensure that they remained in business without any incurrence of debt. The study evaluated service quality management practice and customer satisfaction of food, beverage and tobacco manufacturing firms in South East, Nigeria. Specifically, the objectives were to: assess relationship between level of reliability of service quality and the customer satisfaction score; ascertain relationship between responsiveness of service quality and the net promoter score of food, beverage and tobacco manufacturing firms in South East, Nigeria. The population of study was five thousand, five hundred and eighty-four (5584) employees of manufacturing firm under study in South East Nigeria. The sample size of 359 was established using Ferund and William statistical formula at 5 percent error margin. A survey design was adopted for the study. Instrument used for data collection was structured questionnaire.  Two hundred and ninety-seven (297) copies of the questionnaire were returned.  Z - test was used to test the hypotheses. The findings indicated that there was significant positive relationship between the level of reliability of service quality and the customer satisfaction score Z (95,n = 297) = 6.600 to 8.283, p< .05. There was significant positive relationship between the responsiveness of service quality and the net promoter score Z (95,n = 297) = 7.993  to  9.096,p< .05. The study concluded that the level of reliability of service quality, responsiveness of service quality had significant positive relationship with customer satisfaction score, net promoter score of food, beverage and tobacco manufacturing firms in South East, Nigeria. The study recommended among others that managers should ensure that there existed underpinning ethos in regards to the reliability that guided organizational activities as it would help retain customers and boost organizational performance and food and beverage firms should strive to improve service responsiveness if at all they wanted to satisfy their customers, which ultimately would be reflected in higher profitability
Relativistic confinement of neutral fermions with a trigonometric tangent potential
Creators: name: Castro, Luis B.
name: de Castro, Antonio S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The problem of neutral fermions subject to a pseudoscalar potential is investigated. Apart from the solutions for $E=\pm mc^{2}$, the problem is mapped into the Sturm-Liouville equation. The case of a singular trigonometric tangent potential ($\sim \mathrm{tan} γx$) is exactly solved and the complete set of solutions is discussed in some detail. It is revealed that this intrinsically relativistic and true confining potential is able to localize fermions into a region of space arbitrarily small without the menace of particle-antiparticle production.
description: 12 pages
Vertical forces on the coupling of a pusher tug-barge
Creators: name: Mumford, David K.
Publisher: name: University of British Columbia
Year: 2008

description: This thesis presents a method of calculating the vertical force on the coupling between a pusher mg-barge unit where the tug is able to pitch relative to the barge. Alternate methods assume that the hydrodynamic forces on each hull have no effect on the other hull. The method presented here assumes that there is a hydrodynamic interaction between the two hulls. A numerically-fast three-dimensional solution method (unified slender body theory) is used to develop this interaction between the two hulls in coupled modes of motion at zero speed. Only the heave and pitch modes are considered. Experimental work was done on a coupled tug-barge model. The model was instrumented to determine the barge heave and trim, the relative pivot angle between the tug and barge and the vertical and horizontal pin forces. The experiments were run in head and stern sea conditions with two separate pivot locations. Only the horizontal forces are found to be non-linear. The peak vertical force occurs at wavelengths of 1.21Barge in head seas and /Barge in stern seas. The amplitude of the hull motions increases with the wavelength except for the pivot angle which steadies at about 1.51Barge. The pin force is more sensitive to the pivot location than the barge motions. The pivot angle is also sensitive to the pivot location. Two numerical models of the tug-barge unit are compared to the experimental results. One model (Case 1) evaluates the two hulls separately while the second (Case 2) evaluates the hydrodynamic cross-coupling terms. Results show that both models underestimate the hull motions. The Case 1 model over-predicts the pin forces while the Case 2 model under-predicts them. The hydrodynamic cross-coupling terms are found to be significant. The Case 2 model is considered successful but needs to be refined numerically to improve on the solution.
On Angular Speed Estimation of Rigid Bodies
Creators: name: Ferrante, Francesco
name: Besançon, Gildas
Publisher: name: arXiv
Year: 2021
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The problem of estimating the angular speed of a solid body from attitude measurements is addressed. To solve this problem, we propose an observer whose dynamics are not constrained to evolve on any specific manifold. This drastically simplifies the analysis of the proposed observer. Using Lyapunov analysis, sufficient conditions for global asymptotic stability of a set wherein the estimation error is equal to zero are established. In addition, the proposed methodology is adapted to deal with angular speed estimation for systems evolving on the unit circle. The approach is illustrated through several numerical simulations.
description: V1 is the extended version of the paper submitted to IEEE Control Systems Letters. V2 is the extended version of the paper accepted for publication. V3-V8 fix some minor oversights in the printed version of the paper and adds some additional technical details. Corrections with respect to the published version are colored in blue and there are footnotes explaining them
Vacuum polarization in muonic atoms: the Lamb shift at low and medium Z
Creators: name: Karshenboim, Savely G.
name: Ivanov, Vladimir G.
name: Korzinin, Evgeny Yu.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: In muonic atoms the Uehling potential (an effect of a free electronic vacuum polarization loop) is responsible for the leading contribution to the Lamb shift causing the splitting of states with Delta n = 0 and Delta l \neq 0. Here we consider the Lamb shift in the leading nonrelativistic approximation, i.e., within an approach based on a certain Schrodinger equation. That is valid for low and medium $Z$ as long as (Z alpha)^2 >> 1. The result is a function of a few parameters, including kappa = Z alpha m_ mu/m_e, n and l. We present various asymptotics and in particular we study a region of validity of asymptotics with large and small kappa. Special attention is paid to circular states, which are considered in a limit of n >> 1.
Effects of a quiet point on a Kerr microresonator frequency comb
Creators: name: Tetsumoto, Tomohiro
name: Jiang, Jie
name: Fermann, Martin E.
name: Navickaite, Gabriele
name: Geiselmann, Michael
name: Rolland, Antoine
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optics (physics.optics)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: A quiet point, an operating point of pump-resonance detuning that minimizes frequency fluctuation due to nonlinear effects inside a resonator, has been employed for phase noise reduction of a soliton Kerr microresonator frequency comb (microcomb). Naturally, it is expected that the use of the point will also improve performances of a microcomb in terms of frequency stability and faithfulness in a phase locked loop. In this study, we experimentally investigate the effect in a microcomb with a repetition frequency of 300~GHz. We obtain a lowest fractional frequency instability at a quiet point of $1.5\times 10^{-9}$ at 1 second, which is 44 times lower than free-running instability. Phase-locking of a microcomb to a stabilized fiber comb is demonstrated to evaluate performance in a feedback loop, where in-loop-limited relative fractional frequency instability between the microcomb and the fiber comb of $6.8 \times 10^{-13}$ is obtained as an indicator of the stability limitation.
description: 10 pages, 5 figures
Ελλειπτικές Καμπύλες & Κρυπτογραφία
Creators: name: Μπίσμπα, Αικατερίνη Αντωνίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Ελλειπτικές καμπύλες
Κρυπτογραφία
Κρυπτοσυστήματα
Elliptic curves
Cryptography
Cryptosystems

description: Στα πλαίσια της παρούσας εργασίας παρουσιάζουμε τις ελλειπτικές καμπύλες και τα βασικά κρυπτογραφικά συστήματα αυτών. Η χρήση των ελλειπτικών καμπυλών στην Κρυπτογραφία συνεχώς αυξάνεται καθώς οι ελλειπτικές καμπύλες προσφέρουν ίδια ασφάλεια με το RSA αλλά με μικρότερα κλειδιά. Στο πρώτο κεφάλαιο αναφέρουμε τη βασική θεωρία των ελλειπτικών καμπυλών, εναλλακτικές μορφές ελλειπτικών καμπυλών και μερικές ιδιότητές τους. Στο δεύτερο κεφάλαιο κάνουμε μια εισαγωγή στην Κρυπτογραφία ελλειπτικών καμπυλών. Ασχολούμαστε κυρίως με τις τεχνικές κατασκευής κατάλληλων ελλειπτικών καμπυλών και το πρόβλημα του διακριτού λογαρίθμου (ECDLP), πάνω στο οποίο βασίζεται η ασφάλεια των ελλειπτικών καμπυλών. Στο τρίτο κεφάλαιο παρουσιάζουμε σχήματα κωδικοποίησης απλών κειμένων σε σημεία των ελλειπτικών καμπυλών και βασικά κρυπτογραφικά συστήματα αυτών. Στο τέταρτο κεφάλαιο μελετάμε δύο γνωστές επιθέσεις στο ECDLP, την επίθεση MOV και τον αλγόριθμο XEDNI. Τέλος, στο πέμπτο κεφάλαιο παρουσιάζεται ένας πρόσφατος αλγόριθμος κατασκευής ελλειπτικών καμπυλών, ο οποίος είναι αποτελεσματικός και εύκολος στη χρήση.
description: In the present work, we present the elliptic curves and their basic cryptographic systems. The use of elliptic curves in Cryptography is constantly increasing as elliptic curves offer the same security as RSA but with smaller keys. The first chapter illustrates the basic theory of elliptic curves, alternative forms of elliptic curves, and some of their properties. In the second chapter we introduce the Cryptography of elliptic curves. We are mainly interested in the techniques of constructing appropriate elliptic curves and the discrete logarithm problem (ECDLP), upon which the safety of elliptic curves is based. In the third chapter we present mapping schemes that are used to map plain-text messages to points on elliptic curves and their basic cryptographic systems. The fourth chapter, consists of a study concerning two known attacks on ECDLP, the MOV attack, and the XEDNI algorithm. Finally, in the fifth chapter, we present a recent algorithm for constructing elliptic curves, which is effective and easy to implement.
Generalized Abel-Plana formula as a renormalization tool in quantum field theory with boundaries
Creators: name: Saharian, Aram A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We apply the generalized Abel-Plana formula for the investigation of one-loop quantum effects on manifolds with boundaries. This allows to extract from the vacuum expectation values of local physical observables the parts corresponding to the geometry without boundaries and to present the boundary-induced parts in terms of integrals strongly convergent for the points away from the boundaries. As a result, the renormalization procedure for these observables is reduced to the corresponding procedure for the bulks without boundaries.
description: 14 pages, talk presented at the Fifth International Conference on Mathematical Methods in Physics, 24-28 April, 2006, Rio de Janeiro, Brazil
Choosing an Academic Publication Venue: A Short Guide for  Beginners
Creators: name: Ciolfi, Luigina
Publisher: name: Zenodo
Year: 2024
Subjects: Supervision
Publishing
Research careers

description: A short guide for early career researchers providing recommendations on how to identify venues where to submit work for publication. It clarifies the difference between various publication venues (i.e. journals, conferences, etc.), and gives pointers on how to identify suitable ones.
Symbolic Time and the Nonlocality of Attention.pdf
Creators: name: Souza Silva, Jaconaazar
Publisher: name: Zenodo
Year: 2025
Subjects: XChrono
Symbolic Time
Chronons
Consciousness
Nonlocal Attention
Quantum Observation
Wavefunction Collapse
Synchronicity
Subjective Time
Ontological Value
Digital Presence
XChronos
Quantum Enigma
Idealist Ontology
Information Collapse
Observer Effect
Time Economy
Psychophysical Principles
Conscious Attention
Metaphysical Temporality
Post-Classical Physics

description: This theoretical chapter explores the intersection between quantum mechanics and consciousness through the lens of symbolic time. Based on the framework of the XChronos project, it introduces the concept of Chronons as symbolic units of experienced time, and proposes that conscious attention functions analogously to wavefunction collapse, generating value and presence in both the physical and digital realms.

The chapter argues that attention is nonlocal and capable of producing synchronicities—meaningful coincidences that collapse time, perception, and symbolic meaning into a unified moment. Drawing from concepts like the observer effect, Jungian synchronicity, and digital presence, the text outlines a speculative but coherent model in which subjective time can be measured, valued, and shared.

Ultimately, it proposes a new ontological economy where conscious presence becomes currency, and the symbolic collapse of time becomes the foundation of value creation in a connected and meaningful universe.
On the Relationship between Resolution Enhancement and Multiphoton Absorption Rate in Quantum Lithography
Creators: name: Tsang, Mankei
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The proposal of quantum lithography [Boto et al., Phys. Rev. Lett. 85, 2733 (2000)] is studied via a rigorous formalism. It is shown that, contrary to Boto et al.'s heuristic claim, the multiphoton absorption rate of a ``NOON'' quantum state is actually lower than that of a classical state with otherwise identical parameters. The proof-of-concept experiment of quantum lithography [D'Angelo et al., Phys. Rev. Lett. 87, 013602 (2001)] is also analyzed in terms of the proposed formalism, and the experiment is shown to have a reduced multiphoton absorption rate in order to emulate quantum lithography accurately. Finally, quantum lithography by the use of a jointly Gaussian quantum state of light is investigated, in order to illustrate the trade-off between resolution enhancement and multiphoton absorption rate.
description: 14 pages, 7 figures, submitted, v2: rewritten in response to referees' comments, v3: rewritten and extended, v4: accepted by Physical Review A
Lexical and grammatical elicitation: Stem alternations and emotions
Creators: name: Palacio, Frank
name: Robertson, Allegra
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: cab

description: Continues to build on lexical items related to feelings and emotions. Subsequently, verb stem alternations in the verb agundaru/a 'be happy' are examined.
WAREHOUSE MANAGEMENT PRACTICE AND PERFORMANCE OF PHARMACEUTICAL FIRMS IN ENUGU STATE, NIGERIA
Creators: name: Udoh, , Lydia
name: Oluka, Kingsley, Ugochukwu (Ph.D.)
Publisher: name: TOP JOURNAL
Year: 2024
Subjects: Warehouse Management Practice, Performance, raw materials/components, market expansion, finished goods maintenance and customer satisfaction

description: This study looked at the effect of warehouse management practice on performance of pharmaceutical firms in Enugu State, Nigeria. The specific objectives were to; investigate the effect of raw materials/components on market expansion of pharmaceutical firms in Enugu State, Nigeria and ascertain the effect of finished goods maintenance on customer satisfaction of pharmaceutical firms in Enugu State, Nigeria. The study adopted a survey design. The population of the study was three hundred and forty nine (349). The sample size of 349 was adopted due to manageable unite of the population. The study used convenience sampling procedure and structured questionnaire was used to select respondents. Simple regression statistical tool was employed to test two formulated hypotheses. The findings revealed that raw materials/components had significant positive effect on market expansion in pharmaceutical firms in Enugu State (F=238.378, p value 0.000<0.05) and finished goods maintenance had significant positive effect on customer satisfaction in pharmaceutical firms in Enugu State (F=431.361, p value 0.000<0.05). Therefore, based on the findings, researcher also concluded that warehouse plays an important role in supporting organizations as they strive for more efficient management systems. The study thus recommends that warehouse managers in pharmaceutical firms should ensure adequate raw materials and components in other to increase high productivity and availability of pharmaceutical products where the customers need them
KNH: Multi-View Modeling with K-Nearest Hyperplanes Graph for Misinformation Detection
Creators: name: Abdali, Sara
name: Shah, Neil
name: Papalexakis, Evangelos E.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: Graphs are one of the most efficacious structures for representing datapoints and their relations, and they have been largely exploited for different applications. Previously, the higher-order relations between the nodes have been modeled by a generalization of graphs known as hypergraphs. In hypergraphs, the edges are defined by a set of nodes i.e., hyperedges to demonstrate the higher order relationships between the data. However, there is no explicit higher-order generalization for nodes themselves. In this work, we introduce a novel generalization of graphs i.e., K-Nearest Hyperplanes graph (KNH) where the nodes are defined by higher order Euclidean subspaces for multi-view modeling of the nodes. In fact, in KNH, nodes are hyperplanes or more precisely m-flats instead of datapoints. We experimentally evaluate the KNH graph on two multi-aspect datasets for misinformation detection. The experimental results suggest that multi-view modeling of articles using KNH graph outperforms the classic KNN graph in terms of classification performance.
Third quantization of the electromagnetic field
Creators: name: Franson, J. D.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider an approach in which the usual wave function in the quadrature representation of mode j of the electromagnetic field is further quantized to produce a field operator. Since the electromagnetic field is already second quantized, this corresponds to an additional or third quantization. The third-quantization approach can be used to perform certain quantum optics calculations in the Heisenberg picture that could only be performed in the Schrodinger picture when using the conventional second-quantized theory. This approach also allows an interesting generalization of quantum optics and quantum electrodynamics that is analogous to symmetry breaking in elementary particle theory. The predictions of the generalized theory could be tested using a proposed photon scattering experiment.
description: 14 pages, 8 figures
Dynamic characterizers of spatiotemporal intermittency
Creators: name: Gupte, Neelima
name: Jabeen, Zahera
Publisher: name: arXiv
Year: 2006
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: Systems of coupled sine circle maps show regimes of spatiotemporally intermittent behaviour with associated scaling exponents which belong to the DP class, as well as regimes of spatially intermittent behaviour (with associated regular dynamical behaviour) which do not belong to the DP class. Both types of behaviour are seen along the bifurcation boundaries of the synchronized solutions, and contribute distinct signatures to the dynamical characterizers of the system, viz. the distribution of eigenvalues of the one step stability matrix. Within the spatially intermittent (SI) class, the temporal behaviour of the burst solutions can be quasi-periodic or travelling wave. The usual characterizers of bifurcations, i.e. the eigenvalues of the stability matrix crossing the unit circle, pick up the bifurcation from the synchronized solution to SI with quasi-periodic bursts but are unable to pick up the bifurcation of the synchronized solution to SI with TW bursts. Other characterizers, such as the Shannon entropy of the eigenvalue distribution, and the rate of change of the largest eigenvalue with parameter are required to pick up this bifurcation. This feature has also been seen for other bifurcations in this system, e.g. that from the synchronized solution to kink solutions. We therefore conjecture that in the case of high dimensional systems, entropic characterizers provide better signatures of bifurcations from one ordered solution to another.
description: 9 pages, 6 figures, Presented at the International Conference on "Statistical Mechanics of Plasticity and Related Instabilities", (SMPRI 2005), at IISc, Bangalore
Fusion Hindrance and the Role of Shell Effects in the Superheavy Mass Region
Creators: name: Aritomo, Y.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We present the first attempt of the systematical investigation about the effects of shell correction energy for dynamical processes, which include fusion, fusion-fission and quasi-fission processes. In the superheavy mass region, for the fusion process, the shell correction energy plays a very important role and enhances the fusion probability, when the colliding partner has strong shell structure. By analyzing the trajectory in the three-dimensional coordinate space with a Langevin equation, we reveal the mechanism of the enhancement of the fusion probability caused by shell effects.
description: 6 pages, 4 figures. Uses aipxfm.sty. A talk given at the FUSION06: International Conference on Reaction Mechanisms and Nuclear Structure at the Coulomb barrier, March 19-23, 2006, San Servolo, Venezia, Italy
Chemical Evolution of the Galactic Bulge as Derived from High-Resolution Infrared Spectroscopy of K and M Red Giants
Creators: name: Cunha, Katia
name: Smith, Verne V.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present chemical abundances in K and M red-giant members of the Galactic bulge derived from high-resolution infrared spectra obtained with the Phoenix spectrograph on Gemini-South. The elements studied are carbon, nitrogen, oxygen, sodium, titanium, and iron. The evolution of C and N abundances in the studied red-giants show that their oxygen abundances represent the original values with which the stars were born. Oxygen is a superior element for probing the timescale of bulge chemical enrichment via [O/Fe] versus [Fe/H]. The [O/Fe]-[Fe/H] relation in the bulge does not follow the disk relation, with [O/Fe] values falling above those of the disk. Titanium also behaves similarly to oxygen with respect to iron. Based on these elevated values of [O/Fe] and [Ti/Fe] extending to large Fe abundances, it is suggested that the bulge underwent a more rapid chemical enrichment than the halo. In addition, there are declines in both [O/Fe] and [Ti/Fe] in those bulge targets with the largest Fe abundances, signifying another source affecting chemical evolution: perhaps Supernovae of Type Ia. Sodium abundances increase dramatically in the bulge with increasing metallicity, possibly reflecting the metallicity dependant yields from supernovae of Type II, although Na contamination from H-burning in intermediate mass stars cannot be ruled out.
description: ApJ in press
Mutual Chern-Simons theory for Z_2 topological order
Creators: name: Kou, Su-Peng
name: Levin, Michael
name: Wen, Xiao-Gang
Publisher: name: arXiv
Year: 2008
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study several different $Z_2$ topological ordered states in frustrated spin systems. The effective theories for those different Z_2 topological orders all have the same form -- a Z_2 gauge theory which can also be written as a mutual U(1) x U(1) Chern-Simons theory. However, we find that the different Z_2 topological orders are reflected in different projective realizations of lattice symmetry in the same effective mutual Chern-Simons theory. This result is obtained by comparing the ground-state degeneracy, the ground-state quantum numbers, the gapless edge state, and the projective symmetry group of quasi-particles calculated from the slave-particle theory and from the effective mutual Chern-Simons theories. Our study reveals intricate relations between topological order and symmetry.
description: 13 pages. RevTeX4
Open-cavity in closed-cycle cryostat as a quantum optics platform
Creators: name: Vadia, Samarth
name: Scherzer, Johannes
name: Thierschmann, Holger
name: Schäfermeier, Clemens
name: Savio, Claudio Dal
name: Taniguchi, Takashi
name: Watanabe, Kenji
name: Hunger, David
name: Karraï, Khaled
name: Högele, Alexander
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Instrumentation and Detectors (physics.ins-det)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The introduction of an optical resonator can enable efficient and precise interaction between a photon and a solid-state emitter. It facilitates the study of strong light-matter interaction, polaritonic physics and presents a powerful interface for quantum communication and computing. A pivotal aspect in the progress of light-matter interaction with solid-state systems is the challenge of combining the requirements of cryogenic temperature and high mechanical stability against vibrations while maintaining sufficient degrees of freedom for in-situ tunability. Here, we present a fiber-based open Fabry-Pérot cavity in a closed-cycle cryostat exhibiting ultra-high mechanical stability while providing wide-range tunability in all three spatial directions. We characterize the setup and demonstrate the operation with the root-mean-square cavity length fluctuation of less than $90$ pm at temperature of $6.5$ K and integration bandwidth of $100$ kHz. Finally, we benchmark the cavity performance by demonstrating the strong-coupling formation of exciton-polaritons in monolayer WSe$_2$ with a cooperativity of $1.6$. This set of results manifests the open-cavity in a closed-cycle cryostat as a versatile and powerful platform for low-temperature cavity QED experiments.
description: 10 pages, 8 figures
MPEC 2024-T81 : 2017 HJ49
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Momentum Density Spectroscopy of Pd: Comparison of 2D-ACAR and Compton Scattering Using a New 1D-to-2D Reconstruction Method
Creators: name: Ketels, Josef
name: Billington, David
name: Dugdale, Stephen B.
name: Leitner, Michael
name: Hugenschmidt, Christoph P.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Two-dimensional angular correlation of annihilation radiation (2D-ACAR) and Compton scattering are both powerful techniques to investigate the bulk electronic structure of crystalline solids through the momentum density of the electrons. Here we apply both methods to a single crystal of Pd to study the electron momentum density and the occupancy in the first Brillouin zone, and to point out the complementary nature of the two techniques. To retrieve the 2D spectra from 1D Compton profiles, a new direct inversion method (DIM) is implemented and benchmarked against the well-established Cormack's method. The comparison of experimental spectra with first principles density functional theory calculations of the electron momentum density and the two photon momentum density clearly reveals the importance of positron probing effects on the determination of the electronic structure. While the calculations are in good agreement with the experimental data, our results highlight some significant discrepancies.
description: 10 pages, 9 figures