cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Characterization of the Fraser fault, Southwestern British Columbia, and surrounding geology through reprocessing of seismic reflection data
Creators: name: Perz, Michael J.
Publisher: name: University of British Columbia
Year: 2008

description: Seismic reflection data were acquired in 1988 along a 70 km profile crossing the Fraser fault, a major dextral strike-slip boundary between the Eastern Coast and Inter-montane belts of the southern Canadian Cordillera. Preliminary processing by industry contract and subsequent interpretation revealed several interesting tectonic features; however, the subsurface position and depth extent of the fault were ambiguous. The present study involves reprocessing of these data in an effort to provide an improved subsurface image, and hence a better understanding of the local tectonic regime. Severe crookedness of the line necessitated the implementation of unconventional processing techniques, including creation of several "mini-profiles" which cut through the scatter of source-receiver midpoints near the fault zone, and application of a first-order correction for effects of reflector crossdip (i.e., the crossline component of reflector dip). A method for estimating the optimum crossdip correction parameter was developed. Although it demonstrated promise when applied to synthetic data, disappointing results were obtained with the field data. Refraction-based statics were computed using a two-step procedure consisting of initial identification and correction of systematic errors in the picked first break travel times, and subsequent application of a conventional 2—D statics algorithm. Dip move out correction (DMO) was applied to the upper 5.0 s of data to enhance the image of steeply dipping features. Significant aspects of the interpretation of the reprocessed dataset include: (i) evidence of deep crustal extent (or possible crustal penetration) for the Fraser fault; (ii) correlation of two northeast-dipping reflectors (not visible on the contract-processed sections) with southwest-directed thrusting along the Pasayten fault; and (iii) correlation of two east-dipping events near the western edge of the profile with deep roots of the Coast Belt Thrust System.
Lyman Alpha line properties at $z \simeq 3.78$ and their environmental dependence: a case study around a massive proto-cluster
Creators: name: Malavasi, Nicola
name: Lee, Kyoung-Soo
name: Dey, Arjun
name: Xue, Rui
name: Huang, Yun
name: Shi, Ke
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Ly$α$-emitting galaxies (LAEs) are easily detectable in the high-redshift Universe and are potentially efficient tracers of large scale structure at early epochs, as long as their observed properties do not strongly depend on environment. We investigate the luminosity and equivalent width functions of LAEs in the overdense field of a protocluster at redshift $z \simeq 3.78$. Using a large sample of LAEs (many spectroscopically confirmed), we find that the Ly$α$ luminosity distribution is well-represented by a Schechter (1976) function with $\log(L^{\ast}/{\rm erg s^{-1}}) = 43.26^{+0.20}_{-0.22}$ and $\log(ϕ^{\ast}/{\rm Mpc^{-3}})=-3.40^{+0.03}_{-0.04}$ with $α=-1.5$. Fitting the equivalent width distribution as an exponential, we find a scale factor of $ω=79^{+15}_{-15}$ Angstroms. We also measured the Ly$α$ luminosity and equivalent width functions using the subset of LAEs lying within the densest cores of the protocluster, finding similar values for $L^*$ and $ω$. Hence, despite having a mean overdensity more than 2$\times$ that of the general field, the shape of the Ly$α$ luminosity function and equivalent width distributions in the protocluster region are comparable to those measured in the field LAE population by other studies at similar redshift. While the observed Ly$α$ luminosities and equivalent widths show correlations with the UV continuum luminosity in this LAE sample, we find that these are likely due to selection biases and are consistent with no intrinsic correlations within the sample. This protocluster sample supports the strong evolutionary trend observed in the Ly$α$ escape fraction and suggest that lower redshift LAEs can be on average significantly more dusty that their counterparts at higher redshift.
description: Updated version to match the one accepted by ApJ
Six-Photon Amplitudes
Creators: name: Binoth, T.
name: Gehrmann, T.
name: Heinrich, G.
name: Mastrolia, P.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present analytical results for all six-photon helicity amplitudes. For the computation of this loop induced process two recently developed methods, based on form factor decomposition and on multiple cuts, have been used. We obtain compact results, demonstrating the applicability of both methods to one-loop amplitudes relevant to precision collider phenomenology.
description: replaced by published version
Additional file 4 of ATAD2 interacts with C/EBPβ to promote esophageal squamous cell carcinoma metastasis via TGF-β1/Smad3 signaling
Creators: name: Cao, Lian-Jing
name: Zhang, Yi-Jun
name: Dong, Si-Qi
name: Li, Xi-Zhao
name: Tong, Xia-Ting
name: Chen, Dong
name: Wu, Zi-Yi
name: Zheng, Xiao-Hui
name: Xue, Wen-Qiong
name: Jia, Wei-Hua
name: Zhang, Jiang-Bo
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences

description: Additional file 4: Supplemental Figure 1. (A) ATAD2 overexpression, knockdown, and restoration in KYSE30 and KYSE510 cells were confirmed by western blot analysis. (B) Predicted transcription factors of TGF-β1 gene obtained from PROMO dataset. (C, D) TGF-β1 luciferase activity induced by YY1 (C) and c-MYC (D) in KYSE510 and KYSE30 cells. (E, F) Effect of ATAD2 knockdown on C/EBPβ mRNA (E) and protein expression (F) in KYSE30 and KYSE510 cells were validated by qRT-PCR and western blot respectively. (G) Effects of ATAD2 knockdown and restoration on localization of C/EBPβ (green) in KYSE30 and KYSE510 cells performed by Immunofluorescence staining. Data was presented as mean ± SD. (ns: non-significant difference was detected).
Ο Σίμων – Πέτρος Βαριωνά στα Κανονικά Ευαγγέλια. Ιστορική και θεολογική προσέγγιση
Creators: name: Ασλανίδης, Αναστάσης Παναγιώτη
Publisher: name: Aristotle University of Thessaloniki
Year: 2019
Subjects: Σίμων Πέτρος, Βαριωνά, Κηφάς, Απόστολος Πέτρος, Άγιος Πέτρος
Ιστορικός Πέτρος, Κορυφαίος των Αποστόλων, Αντιπρόσωπος των Δώδεκα, Πρώτος Πάπας
Βιβλική Έρευνα, Βιβλική Αρχαιολογία, Καινή Διαθήκη, Ευαγγέλια
Simon Peter, Bar-Jonah, Kephas, Apostle Peter, Saint Peter
Historic Peter, Leader of the Apostles, Representative of the Twelve, First Pope
Biblical Research, Biblical Archaeology, New Testament, Gospels

description: Μετά τον Ιησού, ο Πέτρος και ο Παύλος είναι αναμφίβολα τα δύο κυριότερα πρόσωπα της Καινής Διαθήκης. Οι δύο απόστολοι, έπαιξαν σημαντικό ρόλο στην οργάνωση και την διαμόρφωση των πρώτων χριστιανικών κοινοτήτων. Έγιναν γνωστοί μέσα από το αποστολικό τους έργο και χαρακτηρίστηκαν από τους Χριστιανούς με πολλούς τρόπους. Ο απόστολος Πέτρος, ο οποίος αποτελεί και το ενδιαφέρον της έρευνάς μας, αναφέρεται σε ένα μεγάλο μέρος των τεσσάρων κανονικών Ευαγγελίων, αλλά και στο πρώτο μισό του βιβλίου των Πράξεων των Αποστόλων. Μέσα από την δράση του αυτή, έχει λάβει διαφόρους τίτλους. Οι τίτλοι αυτοί έχουν ως σκοπό να προσδιορίσουν τον ίδιο και την ιδιότητά του, πρίν, κατά την διάρκεια και μετά από την δημόσια δράση του Ιησού. Έτσι, βλέπουμε τον Σίμωνα Πέτρο να αποκαλείται αλιέας ανθρώπων, Κηφάς-Πέτρος, αντιπρόσωπος των μαθητών, ηγέτης των Δώδεκα, ο φέρων τα κλειδιά της βασιλείας των Ουρανών, υπόδειγμα αληθινού μαθητή, μετανοημένος, οργανωτής της πρώτης κοινότητας, ηγέτης της πρώτης εκκλησίας, πρώτος Πάπας της Ρώμης και στο τέλος μάρτυρας. Όμως, αυτά που γνωρίζουμε ουσιαστικά για τον Σίμωνα Πέτρο είναι ελάχιστα. Μέσο της εργασίας μας προσπαθούμε να ρίξουμε φως στην ζωή του αποστόλου όπως αυτή παρουσιάζεται στα τέσσερα κανονικά Ευαγγέλια του Μάρκου, του Ματθαίου, του Λουκά και του Ιωάννη. Ώστε να γίνει γνωστή η δράση και η περίοδος της μαθητείας του αποστόλου
description: After Jesus, Peter and Paul are undoubtedly the two main figures of the New Testament. The two apostles played an important role in the organization and formation of the first Christian communities. They know through their apostolic work and characterized by Christians in many ways. The apostle Peter, who is also the focus of our study, plays a central role in the four Gospels and to the first half of the book of Acts. Through his action, he has received various titles. These titles intended to identify himself and his status before, during, and after the public ministry of Jesus. Therefore, we see Simon Peter being called a fisherman, Cephas-Peter, representative of the students, leader of the Twelve, bearer of the keys to the kingdom of Heaven, exemplary of a true disciple, repentant, organizer of the first community, leader of the church, first Pope of Rome and finally a witness. However, what we truly know about Simon Peter is minimum. Through our work, we try to shed light on the life of the apostle as presented in the four regular Gospels of Mark, Matthew, Luke, and John. So the actions and the apostle's apprenticeship will be known
Lepton Flavor Violation in Intersecting D-brane Models
Creators: name: Dutta, Bhaskar
name: Mimura, Yukihiro
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate lepton flavor violation in the context of intersecting D-brane models. We point out that these models have a source to generate flavor violation in the trilinear scalar couplings while the geometry of the construction leads to degenerate soft scalar masses for different generations (as in the minimal supergravity model) at the string scale. The trilinear scalar couplings are not proportional to the Yukawa couplings when the F-term of the U-moduli contribution is non-zero. Consequently, the lepton flavor violating decay processes are generated. Only other sources of flavor violations in this model are the Dirac neutrino Yukawa coupling and the Majorana couplings. The observed fermion mixings are realized from the ``almost rank 1" Yukawa matrices, which generate a simple texture for the trilinear scalar terms. We calculate the branching ratios of tau -> mu gamma, mu -> e gamma and the electric dipole moment of the electron in this model. We find that the observation of all the lepton flavor violating decay processes and the electric dipole moment will be able to sort out different flavor violating sources.
description: 22 pages, 5 figures
The Helium abundance and Delta Y / Delta Z in Lower Main Sequence stars
Creators: name: Casagrande, Luca
name: Flynn, Chris
name: Portinari, Laura
name: Girardi, Leo
name: Jimenez, Raul
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We use nearby K dwarf stars to measure the helium-to-metal enrichment ratio, a diagnostic of the chemical history of the Solar Neighbourhood. Our sample of K dwarfs has homogeneously determined effective temperatures, bolometric luminosities and metallicities, allowing us to fit each star to the appropriate stellar isochrone and determine its helium content indirectly. We use a newly computed set of Padova isochrones which cover a wide range of helium and metal content. Our theoretical isochrones have been checked against a congruous set of main sequence binaries with accurately measured masses, to discuss and validate their range of applicability. We find that the stellar masses deduced from the isochrones are usually in excellent agreement with empirical measurements. Good agreement is also found with empirical mass-luminosity relations. Despite fitting the masses of the stars very well, we find that anomalously low helium content (lower than primordial helium) is required to fit the luminosities and temperatures of the metal poor K dwarfs, while more conventional values of the helium content are derived for the stars around solar metallicity. We have investigated the effect of diffusion in stellar models and LTE assumption in deriving metallicities. Neither of these is able to resolve the low helium problem alone and only marginally if the cumulated effects are included, unless we assume a mixing-length which is strongly decreasing with metallicity. Further work in stellar models is urgently needed. The helium-to-metal enrichment ratio is found to be Delta Y / Delta Z = 2.1 +/- 0.9 around and above solar metallicity, consistent with previous studies, whereas open problems still remain at the lowest metallicities. Finally, we determine the helium content for a set of planetary host stars.
description: 29 pages, 13 figures, replaced to match published version in MNRAS
Large-Size Free-Standing Single-crystal b-Ga2O3 Membranes Fabricated by Hydrogen Implantation and Lift-Off
Creators: name: Zheng, Yixiong
name: Feng, Zixuan
name: Bhuiyan, A F M Anhar Uddin
name: Meng, Lingyu
name: Dhole, Samyak
name: Jia, Quanxi
name: Zhao, Hongping
name: Seo, Jung-Hun
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: In this paper, we have demonstrated the large-size free-standing single-crystal b-Ga2O3 NMs fabricated by the hydrogen implantation and lift-off process directly from MOCVD grown b-Ga2O3 epifilms on native substrates. The optimum implantation conditions were simulated with a Monte-Carlo simulation to obtain the high hydrogen concentration with a narrow ion distribution at the desired depth. Two as grown b-Ga2O3 samples with different orientation ([100] and [001]) were used and successfully create 1.2 um thick b-Ga2O3 NMs without any physical damages. These b-Ga2O3 NMs were then transfer-printed onto rigid and flexible substrates such as SiC substrate and polyimide substrate. Various material characterizations were performed to investigate the crystal quality, surface morphology, optical property, mechanical property, and bandgap before and after the lift-off and revealed that good material quality is maintained. This result offers several benefits in that the thickness, doping, and size of b-Ga2O3 NMs can be fully controlled. Moreover, more advanced b-Ga2O3-based NM structures such as (AlxGa1-x)2O3/Ga2O3 heterostructure NMs can be directly created from their bulk epitaxy substrates thus this result provides a viable route for the realization of high performance b-Ga2O3 NM-based electronics and optoelectronics that can be built on various substrates and platforms.
Multidimensional persistence behaviour in an Ising system
Creators: name: Chandra, Anjan Kumar
name: Dasgupta, Subinay
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We consider a periodic Ising chain with nearest-neighbour and $r$-th neighbour interaction and quench it from infinite temperature to zero temperature. The persistence probability $P(t)$, measured as the probability that a spin remains unflipped upto time $t$, is studied by computer simulation for suitable values of $r$. We observe that as time progresses, $P(t)$ first decays as $t^{-0.22}$ (-the {\em first} regime), then the $P(t)-t$ curve has a small slope (in log-log scale) for some time (-the {\em second} regime) and at last it decays nearly as $t^{-3/8}$ (-the {\em third} regime). We argue that in the first regime, the persistence behaviour is the usual one for a two-dimensional system, in the second regime it is like that of a non-interacting (`zero-dimensional') system and in the third regime the persistence behaviour is like that of a one dimensional Ising model. We also provide explanations for such behaviour.
description: 6 pages, 12 figures
Clues to Nuclear Star Cluster Formation from Edge-on Spirals
Creators: name: Seth, Anil C.
name: Dalcanton, Julianne J.
name: Hodge, Paul W.
name: Debattista, Victor P.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We find 9 nuclear cluster candidates in a sample of 14 edge-on, late-type galaxies observed with HST/ACS. These clusters have magnitudes (M_I ~ -11) and sizes (r_eff ~ 3pc) similar to those found in previous studies of face-on, late-type spirals and dE galaxies. However, three of the nuclear clusters are significantly flattened and show evidence for multiple, coincident structural components. The elongations of these three clusters are aligned to within 10 degrees of the galaxies' major axes. Structurally, the flattened clusters are well fit by a combination of a spheroid and a disk or ring. The nuclear cluster disks/rings have F606W-F814W (~V-I) colors 0.3-0.6 magnitudes bluer than the spheroid components, suggesting that the stars in these components have ages < 1 Gyr. In NGC 4244, the nearest of the nuclear clusters, we further constrain the stellar populations and provide a lower limit on the dynamical mass via spectroscopy. We also present tentative evidence that another of the nuclear clusters (in NGC 4206) may also host a supermassive black hole. Based on our observational results we propose an in situ formation mechanism for nuclear clusters in which stars form episodically in compact nuclear disks, and then lose angular momentum or heat vertically to form an older spheroidal structure. We estimate the period between star formation episodes to be 0.5 Gyr and discuss possible mechanisms for tranforming the disk-like components into spheroids. We also note the connection between our objects and massive globular clusters (e.g. $ω$ Cen), UCDs, and SMBHs. (Abridged)
description: Accepted for publication in the AJ
Integration of AI, ML and Blockchain Technology: Transforming Codes into Life
Creators: name: Garg, HK
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 460806
subject: Human-computer interaction
classificationCode: 460201
subject: Artificial life and complex adaptive systems
classificationCode: 460205
subject: Intelligent robotics

description: Data-driven approaches using AI, ML, and blockchain have revolutionized biotechnology and genomics.
The present paper delves into the exciting possibilities that arise from the intersection of AI, ML, and blockchain technology with genomics, healthcare, and biotechnology. The use of these advanced technologies allows for the creation of radical applications that leverage machine learning, Big Data analytics, natural language processing, decision support, and reasoning under uncertainty. Such applications provide unprecedented avenues for improving human health and well-being. By assimilating AI with biotechnology, researchers can develop cutting-edge applications that enable genomic sharing, next-generation sequencing, gene editing, clinical workflow optimization, risk prediction, diagnosis, and precision medicine.
The potential applications of AI, ML, and blockchain in these areas are truly transformative, and have the power to revolutionize the future of healthcare. The survey showcases the significant impact of these technologies in improving patient outcomes, reducing costs, and increasing the efficiency of healthcare delivery. With the help of AI, ML, and blockchain, one can realize a future where healthcare is more personalized, effective, and accessible to everyone.
Context, spacetime loops, and the interpretation of quantum mechanics
Creators: name: Steane, Andrew M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Three postulates are discussed: first that well-defined properties cannot be assigned to an isolated system, secondly that quantum unitary evolution is atemporal, and thirdly that some physical processes are never reversed. It is argued that these give useful insight into quantum behaviour. The first postulate emphasizes the fundamental role in physics of interactions and correlations, as opposed to internal properties of systems. Statements about physical interactions can only be framed in a context of further interactions. This undermines the possibility of objectivity in physics. However, quantum mechanics retains objectivity through the combination of the second and third postulates. A rule is given for determining the circumstances in which physical evolution is non-unitary. This rule appeals to the absence of spacetime loops in the future evolution of a set of interacting systems. A single universe undergoing non-unitary evolution is a viable interpretation.
description: 19 pages. For special issue of J.Phys.A, "The Quantum Universe", on the occasion of 70th birthday of Professor Giancarlo Ghirardi
Learned Citation in Chinese Contemporary Political Language
Creators: name: Scarpari, Maurizio
Publisher: name: Università Ca’ Foscari Venezia, Italia
Year: 2015

description:

The process of recovering traditional elements of Chinese culture, especially Confucianism, currently underway in China is altering even political discourse in significant ways. With the accession of Xi Jinping there has been a revival of the ancient practice of making learned quotations, abandoned following the establishment of the new regime in 1949. Quoting from the traditional classics and Confucianism has become a distinctive feature of Xi Jinping’s speeches. Xi has so far kept to only the simplest, most straightforward and easily recognized quotations, but in a few cases they lend themselves to rather more subtle, complex interpretations, requiring a grasp of all the undertones and implications in order to be properly understood. There are four levels of complexity, depending on the context from which the quotation is drawn and the context in which it is used.

description: Annali di Ca’ Foscari. Serie orientale
A Triple Main Sequence in the Globular Cluster NGC 2808
Creators: name: Piotto, G.
name: Bedin, L. R.
name: Anderson, J.
name: King, I. R.
name: Cassisi, S.
name: Milone, A. P.
name: Villanova, S.
name: Pietrinferni, A.
name: Renzini, A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Accurate photometry with HST/ACS shows that the main sequence of the globular cluster NGC 2808 splits into three separate branches. The three MS branches may be associated with complexities of the cluster's horizontal branch and of its abundance distribution. We attribute the MS branches to successive rounds of star formation, with different helium abundances; we discuss possible sources of helium enrichment. Some other massive globulars also appear to have complex populations; we compare them with NGC 2808.
description: 13 pages, 3 figures, 1 table. Accepted for publication in ApJ Letter, on March 29 2007
Transport and phase separation of active Brownian particles in fluctuating environments
Creators: name: Khadem, S. M. J.
name: Siboni, N. H.
name: Klapp, S. H. L.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: In this work, we study the dynamics of a single active Brownian particle, as well as the collective behavior of interacting active Brownian particles, in a fluctuating heterogeneous environment. We employ a variant of the diffusing diffusivity model where the equation of motion of the active particle involves a time-dependent motility and diffusivities. Within our model, those fluctuations are coupled to each other. Using analytical methods, we obtain the probability distribution function of particle displacement and its moments for a single particle. We then investigate the impact of the environmental fluctuations on the collective behavior of the active Brownian particles by means of extensive numerical simulations. Our results show that the fluctuations hinder the motility-induced phase separation, accompanied by a significant change of the density dependence of particle velocities. These effects are interpreted using our analytical results for the dynamics of a single particle.
Construction and Deconstruction of a Myth
Creators: name: Moro, Daniela
Publisher: name: Università Ca’ Foscari Venezia, Italia
Year: 2015

description:

The figure of medieval Japanese poet Ono no Komachi has been one of the most controversial and inspiring of Japanese literary tradition and it is at the centre of a number of works and Noh plays. This essay analyzes how her image is interpreted in the modern Noh play by Mishima Yukio, and the novel Komachi hensō (transformations of Komachi) by Enchi Fumiko, while keeping the original Noh Sotoba Komachi (Komachi on the stupa) as reference. The two protagonists in Mishima’s play – old Komachi and the poet – are generally interpreted and explained by Mishima himself as allegories of dry and cynical realism versus dreamlike romanticism and self-deception. Nevertheless, making reference to the theory of lieux de mémoire by Pierre Nora, it is showed that the tendency to self-deception occurs in both protagonists. The visions that emerge in the two modern works are similar: indeed, the figure of Komachi becomes a metaphor for the idea of the impossibility of fixing an identity in regard to the passage of time, and shows the deception at the base of the idea of an abiding self, which is in line with many contemporary theories of the construction of identity.

description: Annali di Ca’ Foscari. Serie orientale
Strongly anisotropic roughness in surfaces driven by an oblique particle flux
Creators: name: Schmittmann, B.
name: Pruessner, Gunnar
name: Janssen, Hans-Karl
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Using field theoretic renormalization, an MBE-type growth process with an obliquely incident influx of atoms is examined. The projection of the beam on the substrate plane selects a "parallel" direction, with rotational invariance restricted to the transverse directions. Depending on the behavior of an effective anisotropic surface tension, a line of second order transitions is identified, as well as a line of potentially first order transitions, joined by a multicritical point. Near the second order transitions and the multicritical point, the surface roughness is strongly anisotropic. Four different roughness exponents are introduced and computed, describing the surface in different directions, in real or momentum space. The results presented challenge an earlier study of the multicritical point.
description: 11 pages, 2 figures, REVTeX 4
A Man and a Woman Driving in Persia (1905)
Creators: name: Scarcia, Gianroberto
Publisher: name: Università Ca’ Foscari Venezia, Italia
Year: 2015

description:

This short paper offers a comparison of two accounts of the same trip done by a group of Europeans who travelled to Persia at the beginning of the twentieth century, one of the first trips ever done by car. These accounts were written by a well-known journalist and an even more famous French writer of the Belle Époque. While the latter’s account is centered upon her aesthetic feelings with no chronicle whatsoever, the former’s account is a mere chronicle of events.

description: Annali di Ca’ Foscari. Serie orientale
Parallel Velocity Mixing Yielding Enhanced Electron Heating During Magnetic Pumping
Creators: name: Egedal, J.
name: Schroeder, J.
name: Lichko, E.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: Magnetic wave perturbations are observed in the solar wind and in the vicinity of Earth's bow shock. For such environments, recent work on magnetic pumping with electrons trapped in the magnetic perturbations have demonstrated the possibility of efficient energization of superthermal electrons. Here we also analyze the energization of such energetic electrons for which the transit time through the system is short compared to time scales associated with the magnetic field evolution. In particular, considering an idealized magnetic configuration we show how trapping/detrapping of energetic magnetized electrons can cause effective parallel velocity diffusion. This parallel diffusion, combined with naturally occurring mechanisms known to cause pitch angle scattering, such as Whistler waves, produces enhanced heating rates for magnetic pumping. We find that at low pitch angle scattering rates the combined mechanism enhances the heating beyond the predictions of the recent theory for magnetic pumping with trapped electrons.
Public Principle, Times and Cross-Border Knowledge
Creators: name: Hui, Wang
Publisher: name: Università Ca’ Foscari Venezia, Italia
Year: 2015

description:

This article focuses on the paradigm shift that took place in Chinese thought during the nineteenth and twentieth century after the contact with Western scientific thought. The author moves from the role of Pacioli and the introduction of double-entry bookkeeping on Italian Renaissance and Western culture to the reconstruction of  the various fields of knowledge in China after the replacement of the heavenly principle (tianli 天理), based on Confucianism and its values, with the new general principle (gongli 公理) based on modern science, which provided the base for a new social model and a new principle of morality.

description: Annali di Ca’ Foscari. Serie orientale
Generating the Curvature Perturbation at the End of Inflation in String Theory
Creators: name: Lyth, D. H.
name: Riotto, A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In brane inflationary scenarios, the cosmological perturbations are supposed to originate from the vacuum fluctuations of the inflaton field corresponding to the position of the brane. We show that a significant, and possibly dominant, contribution to the curvature perturbation is generated at the end of inflation through the vacuum fluctuations of fields, other than the inflaton, which are light during the inflationary trajectory and become heavy at the brane-anti brane annihilation. These fields appear generically in string compactifications where the background geometry has exact or approximate isometries and parametrize the internal angular directions of the brane.
description: 4 pages, LaTeX file
Greybody Radiation and Quasinormal Modes of Kerr-like Black Hole in Bumblebee Gravity Model
Creators: name: Kanzi, Sara
name: Sakallı, İzzet
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In the framework of the Lorentz symmetry breaking (LSB), we investigate the quasinormal modes (QNMs) and the greybody factors (GFs) of the Kerr-like black hole spacetime obtained from the bumblebee gravity model. In particular, we analyze the scalar and fermionic perturbations of the black hole within the framework of both semi-analytic WKB method and the time domain approach. The impacts of the LSB on the bosonic/fermionic QNMs and GFs of the Kerr-like black hole are investigated in detail. The obtained results are graphically depicted and discussed.
Dynamic critical behavior of the worm algorithm for the Ising model
Creators: name: Deng, Youjin
name: Garoni, Timothy M.
name: Sokal, Alan D.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the dynamic critical behavior of the worm algorithm for the two- and three-dimensional Ising models, by Monte Carlo simulation. The autocorrelation functions exhibit an unusual three-time-scale behavior. As a practical matter, the worm algorithm is slightly more efficient than Swendsen-Wang for simulating the two-point function of the three-dimensional Ising model.
description: Revtex4, 4 pages, includes 6 figures
Hydraulic properties of subglacial sediment determined from the mechanical response of water-filled boreholes
Creators: name: Waddington, Brian Stewart
Publisher: name: University of British Columbia
Year: 2008

description: The hydraulic properties of basal sediments must be known if the surge mechanism of soft-bedded glaciers is to be understood. Freezing of water-filled boreholes drives water into the subglacial bed and the associated pressure effects give information about subglacial hydraulic properties. A numerical model describing the mechanical response of an unconnected borehole and the bed beneath it to this freezing forcing was developed, using a non-linear transient viscoelastic ice rheology and an approximate model of top-down freezing. The resulting system of equations was solved using the method of lines. Results agree well with analytic solutions, if parameters are correctly chosen. Forward modelling of pressure records from three 1992 boreholes and three from other years indicates that the till underlying Trapridge Glacier has a hydraulic conductivity of 1.3 x 10⁻⁹-1.35 x 10⁻⁸ ms⁻¹, in agreement with previous indirect estimates. The model was also used to investigate the response of a borehole to sudden pressure changes. The response is very fast compared to pressure sensor sampling rates: thus the "true" basal signal is essentially unaffected by the presence of the borehole, except during the initial freeze-in. The decay events seen in Trapridge Glacier pressure records are caused by the response of the basal drainage system, not the borehole.
Εφαρμογή Έξυπνου Κινητού Τηλεφώνου για την Υποβοήθηση των Ασθενών στη Σωστή Εκτέλεση της Φαρμακευτικής Αγωγής μέσω μεθόδων Επαυξημένης Πραγματικότητας και της τεχνολογίας NFC
Creators: name: Μιχαήλογλου, Ευμορφία Σάββα
Publisher: name: Aristotle University of Thessaloniki
Year: 2019
Subjects: Επαυξημένη Πραγματικότητα
Επικοινωνία Κοντινού Πεδίου
Medical Informatics
Augmented Reality
NFC

description: Το αντικείμενο της εργασίας αυτής είναι η ανάπτυξη μιας πρωτότυπης εφαρμογής κινητής υπολογιστικής σε πλατφόρμα Android, για την υποβοήθηση των ασθενών στη σωστή εκτέλεση της φαρμακευτικής αγωγής. Για το σκοπό αυτό υιοθετούνται μέθοδοι αυτόματης αναγνώρισης και κατάδειξης των αντίστοιχων φαρμάκων, αξιοποιώντας τεχνικές επαυξημένης πραγματικότητας και την τεχνολογία NFC. Στην πρώτη περίπτωση, η εφαρμογή καθοδηγεί το χρήστη μέσω της κάμερας του κινητού του να επιλέγει τη σωστή συσκευασία φαρμάκου που θα πρέπει να λάβει στη δεδομένη χρονική στιγμή, σύμφωνα με την αγωγή του, από πλήθος άλλων σκευασμάτων που μπορεί να βρίσκονται στο σημείο που καταγράφει η κάμερα. Στη δεύτερη περίπτωση, αυτοκόλλητες ετικέτες NFC (NFC tags) τοποθετούνται στη συσκευασία του φαρμάκου, είτε από τον ίδιο τον χρήστη, είτε από κάποιον επαγγελματία υγείας. Φέρνοντας την κινητή συσκευή του σε κοντινή απόσταση από τη συσκευασία του φαρμάκου, ο χρήστης έχει τη δυνατότητα ανίχνευσης του κατάλληλου φαρμάκου, και την εμφάνιση της ονομασίας του στην οθόνη του κινητού του. Στην ουσία και στις δυο περιπτώσεις αφού αναγνωριστεί το σωστό φάρμακο, εμφανίζονται κατάλληλες ενδείξεις στην οθόνη του κινητού για τη σωστή επιλογή. Η εφαρμογή αξιολογήθηκε με τη συμμετοχή χρηστών που αντιστοιχούν στον πληθυσμό στόχευσης μέσω κατάλληλου ερωτηματολογίου
description: The aim of this thesis is the development of a prototype application for the Android platform that makes use of augmented reality and NFC technology, to assist patients with the proper implementation of medication. Via augmented reality, the application guides the user through his mobile phone camera to identify and select the right drug package of the medication he will have to take at a given time, according to his treatment plan, from a number of other drug packages within the camera’s field of view. If NFC technology is to be used, NFC tags are placed in advance on the drug package either by the user himself or a health professional, so that the user will be able to detect the appropriate drug package by scanning it with a mobile phone embodied NFC reader and having the name of each drug displayed on the mobile phone screen.The application has been evaluated with the participation of target users through an appropriate questionnaire
Descriptions of the Boat Dance and dancing in the Brush Dance
Creators: name: Parker, Verdena
name: Newbold, Lindsey
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: hup

description: Audio files VP-080907-02 and VP-080907-03: Description of the Boat Dance (told in Hupa and English) followed by a description of Verdena's granddaughter's participation in the Brush Dance (told in English, VP-080907-02, then in Hupa, VP-080907-03).
Micromagnetic description of twisted spin spirals in the B20 chiral magnet FeGe from first principles
Creators: name: Grytsiuk, S.
name: Blügel, S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Using the model of classical Heisenberg exchange and Dzyaloshinskii-Moriya (DM) interaction we show that the ground state of B20 FeGe chiral magnet is a superposition of twisted helical spin-density waves formed by different sublattices of the crystal. Such twisted spin-density waves propagate in the same direction but with different phases and different directions of the rotation axes. We derive an advanced micromagnetic expression describing the exchange and DM interaction for such magnetic structures. By employing first-principles calculations based on density functional theory and using our micromagnetic model we show that the magnitude of the spin-spiral twist in B20 FeGe is of the same order as global spiraling. While the energy difference between the ground state of twisted spirals and the FM state is in good agreement with the experimental results, for the spin spirals without a twist it is smaller by factor three. In addition, we verify our results by employing spin dynamics simulations. This calls for new experiments exploring the ground state properties of B20 chiral magnets.
description: 12 pages, 7 figures
Dual Gravity and Matter
Creators: name: Bergshoeff, Eric A.
name: de Roo, Mees
name: Kerstan, Sven F.
name: Kleinschmidt, Axel
name: Riccioni, Fabio
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider the problem of finding a dual formulation of gravity in the presence of non-trivial matter couplings. In the absence of matter a dual graviton can be introduced only for linearised gravitational interactions. We show that the coupling of linearised gravity to matter poses obstructions to the usual construction and comment on possible resolutions of this difficulty.
description: 12 pages, additional references
The effect of finite-temperature and anharmonic lattice dynamics on the thermal conductivity of ZrS2 monolayer: self-consistent phonon calculations
Creators: name: Pandit, Abhiyan
name: Hamad, Bothina
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Two-dimensional (2D) ZrS2 monolayer (ML) has emerged as a promising candidate for thermoelectric (TE) device applications due to its high TE figure of merit, which is mainly contributed by its inherently low lattice thermal conductivity. This work investigates the effect of the lattice anharmonicity driven by temperature-dependent phonon dispersions on thermal transport of ZrS2 ML. The calculations are based on the self-consistent phonon (SCP) theory to calculate the thermodynamic parameters along with the lattice thermal conductivity. The higher- order (quartic) force constants were extracted by using an efficient compressive sensing lattice dynamics technique, which estimates the necessary data based on the emerging machine learning program as an alternative of computationally expensive density functional theory calculations. Resolve of the degeneracy and hardening of the vibrational frequencies of low-energy optical modes were predicted upon including the quartic anharmonicity. As compared to the conventional Boltzmann transport equation (BTE) approach, the lattice thermal conductivity of the optimized ZrS2 ML unit cell within SCP + BTE approach is found to be significantly enhanced (e.g., by 21% at 300 K). This enhancement is due to the relatively lower value of phonon linewidth contributed by the anharmonic frequency renormalization included in the SCP theory. Mainly, the conventional BTE approach neglects the temperature dependence of the phonon frequencies due to the consideration of harmonic lattice dynamics and treats the normal process of three-phonon scattering incorrectly due to the use of quasi-particle lifetimes. These limitations are addressed in this work within the SCP + BTE approach, which signifies the validity and accuracy of this approach.
Optical Spectroscopy of the Large Kuiper Belt Objects 136472 (2005 FY9) and 136108 (2003 EL61)
Creators: name: Tegler, S. C.
name: Grundy, W.
name: Romanishin, W.
name: Consolmagno, G.
name: Mogren, K.
name: Vilas, F.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present high signal precision optical reflectance spectra of the large Kuiper belt objects 2005 FY9 and 2003 EL61. The spectrum of 2005 FY9 exhibits strong CH4-ice bands. A comparison between the spectrum and a Hapke model indicates the CH4 bands are shifted 3.25 +/- 2.25A relative to pure CH4-ice, suggesting the presence of another ice component on the surface of 2005 FY9, possibly N2-ice, CO-ice, or Ar. The spectrum of 2003 EL61 is remarkably featureless. There is a hint of an O2-ice band at 5773A; however, this feature needs to be confirmed by future spectroscopic observations of 2003 EL61 with a higher continuum signal precision, sufficient to detect a second weaker O2-ice band at 6275A.
description: The paper will appear in the Astronomical Journal. The paper consists of 17 pages (1 table and 6 figures)
Single Molecule Michaelis-Menten Equation beyond Quasi-Static Disorder
Creators: name: Xue, Xiaochuan
name: Liu, Fei
name: Ou-Yang, Zhong-can
Publisher: name: arXiv
Year: 2006
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The classic Michaelis-Menten equation describes the catalytic activities for ensembles of enzyme molecules very well. But recent single-molecule experiment showed that the waiting time distribution and other properties of single enzyme molecule are not consistent with the prediction based on the viewpoint of ensemble. It has been contributed to the slow inner conformational changes of single enzyme in the catalytic processes. In this work we study the general dynamics of single enzyme in the presence of dynamic disorder. We find that at two limiting cases, the slow reaction and nondiffusion limits, Michaelis-Menten equation exactly holds although the waiting time distribution has a multiexponential decay behaviors in the nondiffusion limit.Particularly, the classic Michaelis-Menten equation still is an excellent approximation other than the two limits.
description: 10 pages, 1 figure
X-ray Radiation from the Annihilation of Dark Matter at the Galactic Center
Creators: name: Bergstrom, Lars
name: Fairbairn, Malcolm
name: Pieri, Lidia
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The existing and upcoming multiwavelength data from the Galactic Center suggest a comparative study in order to propose or rule out possible models which would explain the observations. In this paper we consider the X-ray synchrotron and the gamma-ray emission due to Kaluza Klein Dark Matter and define a set of parameters for the shape of the Dark Matter halo which is consistent with the observations. We show that for this class of models the existing Chandra X-ray data is more restrictive than the constraints on very high energy gamma-rays coming from HESS.
description: 7 pages 6 figures, updated to match version in print
Characterization of the basal hydraulic system of a surge-type glacier : Trapridge Glacier, 1989-92
Creators: name: Stone, Daniel B.
Publisher: name: University of British Columbia
Year: 2008

description: Subglacial hydrology is a critical issue in understanding glacier and ice-sheet dynamics. This is especially true for surge-type glaciers, which are distinguished by their regular, quasi-periodic alternation between slow and fast flow regimes (Meier and Post, 1969); the fast flow during a surge is thought to be caused by rapid sliding brought about by sustained high basal water pressure. How sustained high pressures develop and how the subglacial distribution of water influences glacier sliding are fundamental unsolved questions. We describe an investigation of the water drainage system beneath Trapridge Glacier, a surge-type glacier in Yukon Territory, Canada. We take two different approaches to characterizing the basal hydraulic system of the glacier. The first approach is borehole response testing, which involves changing the basal water pressure in the vicinity of a borehole and simultaneously observing the drainage system's response. We develop a theoretical model that describes the movement of water, induced by response tests, in a coupled borehole—subglacial flow layer. The model encompasses a broad range of flow regimes, from laminar Darcian flow in a thick permeable unit to turbulent sheet flow in a very thin layer. Important terms in the model are highlighted by a dimensional analysis. We show how the model can be used in numerical simulations to generate predicted data, which can be compared with field observations. We use our model as the basis for a formal inversion scheme that is aimed at objectively quantifying model parameters associated with subglacial water flow. Response test data from Trapridge Glacier are inverted to obtain estimates of hydraulic properties of the basal drainage system. The second approach that we have taken involves direct measurement of the properties of subglacial water. Year-round measurements of subglacial water pressure, turbidity, and electrical conductivity were made at intervals ranging from 2-20 minutes for three consecutive years. Turbidity and conductivity were measured using new sub-glacial sensors that we designed and constructed. The data in this study are unique and important because they were obtained directly at the glacier bed and because they span multiple summer and winter seasons. Spontaneous changes in the subglacial drainage system have been recorded and are sometimes accompanied by a release of stored basal water. In general, a single, stable drainage configuration cannot be identified. Instead, we infer a seasonal progression of drainage structures from the data. The complex behavior of the drainage system points to a dynamic subglacial environment, one in which the basal hydrology is governed by the combined influences of the glacier thermal regime, meltwater input, sediment movement, and mechanical interactions with the overlying ice.