bluuebunny/crossref_metadata_2025_split huggingface dataset:
Stochastic performance analysis of a time‐of‐arrival quantum random number generator
Authors: Schranz Ágoston , Solymos Balázs , Telek Miklós 
Published: December 2023

AbstractThe performance analysis of a quantum random number generator (QRNG), operating based on the interarrival time differences between consecutive photon detections from a coherent light source, is presented. The proposed analysis approach accurately takes into account the physical properties of the single‐photon detection systems, such as discretised time measurement, the correlations induced by the asynchronous arrival of photons with respect to the time resolution grid, and the dead time after observations and provides the QRNG's relevant performance measures, such as the joint distribution of bits, lag‐r correlations, the bit generation overhead and the bit generation time. Analysis results are verified by computer simulations.
The bouncing barrier revisited: Impact on key planet formation processes and observational signatures
Authors: Dominik C. , Dullemond C. P. 
Published: December 2023

Context. A leading paradigm in planet formation is currently the streaming instability and pebble accretion scenario. Notably, dust must grow into sizes in a specific regime of Stokes numbers in order to make the processes in the scenario viable and sufficiently effective. The dust growth models currently in use do not implement some of the growth barriers suggested to be relevant in the literature.
Aims. We investigate if the bouncing barrier, when effective, has an impact on the timescales and efficiencies of processes such as the streaming instability and pebble accretion as well as on the observational appearance of planet-forming disks.
Methods. We implemented a formalism for the bouncing barrier into the publicly available dust growth model DustPy and ran a series of models to understand the impact.
Results. We found that the bouncing barrier has a significant effect on the dust evolution in planet-forming disks. In many cases, it reduces the size of the typical or largest particles available in the disk; it produces a very narrow, almost monodisperse, size distribution; and it removes most μm-sized grains in the process, with an impact on scattered light images. It modifies the settling and therefore the effectiveness of and timescales for the streaming instability and for pebble accretion. An active bouncing barrier may well have observational consequences: It may reduce the strength of the signatures of small particles (e.g., the 10 μm silicate feature), and it may create additional shadowed regions visible in scattered light images.
Conclusions. Modeling of planet formation that leans heavily on the streaming instability and on pebble accretion should take the bouncing barrier into account. The complete removal of small grains in our model is not consistent with observations. However, this could be resolved by incomplete vertical mixing or some level of erosion in collisions.
Addressing Alert Fatigue by Replacing a Burdensome Interruptive Alert with Passive Clinical Decision Support
Authors: Fallon Anne , Haralambides Kristina , Mazzillo Justin , Gleber Conrad 
Published: December 2023

Abstract
Background Recognizing that alert fatigue poses risks to patient safety and clinician wellness, there is a growing emphasis on evaluation and governance of electronic health record clinical decision support (CDS). This is particularly critical for interruptive alerts to ensure that they achieve desired clinical outcomes while minimizing the burden on clinicians. This study describes an improvement effort to address a problematic interruptive alert intended to notify clinicians about patients needing coronavirus disease 2019 (COVID) precautions and how we collaborated with operational leaders to develop an alternative passive CDS system in acute care areas.
Objectives Our dual aim was to reduce the alert burden by redesigning the CDS to adhere to best practices for decision support while also improving the percent of admitted patients with symptoms of possible COVID who had appropriate and timely infection precautions orders.
Methods Iterative changes to CDS design included adjustment to alert triggers and acknowledgment reasons and development of a noninterruptive rule-based order panel for acute care areas. Data on alert burden and appropriate precautions orders on symptomatic admitted patients were followed over time on run and attribute (p) and individuals-moving range control charts.
Results At baseline, the COVID alert fired on average 8,206 times per week with an alert per encounter rate of 0.36. After our interventions, the alerts per week decreased to 1,449 and alerts per encounter to 0.07 equating to an 80% reduction for both metrics. Concurrently, the percentage of symptomatic admitted patients with COVID precautions ordered increased from 23 to 61% with a reduction in the mean time between COVID test and precautions orders from 19.7 to −1.3 minutes.
Conclusion CDS governance, partnering with operational stakeholders, and iterative design led to successful replacement of a frequently firing interruptive alert with less burdensome passive CDS that improved timely ordering of COVID precautions.
Induction Chemotherapy for Locoregionally Advanced Sinonasal Squamous Cell Carcinoma
Authors: Abiri Arash , Liu Derek H. , Nguyen Theodore V. , Pang Jonathan C. , Torabi Sina J. , Kuan Edward C. 
Published: December 2023

Abstract
Background There is emerging evidence to suggest the role of induction chemotherapy (IC) in definitive management of locoregionally advanced sinonasal squamous cell carcinoma (SNSCC). We evaluated the influence of IC on survival and predictors of its use in SNSCC patients.
Methods The 2004 to 2017 National Cancer Database was queried for patients with locoregionally advanced SNSCC (T4/M0). Treatments were stratified into seven groups: definitive chemoradiation (CRT), IC with definitive CRT (IC + CRT), IC + CRT with salvage surgery (IC + CRT + Sx), definitive surgery (Sx), IC with definitive surgery (IC + Sx), definitive surgery with adjuvant radiation or CRT (Sx + ATx), or IC + Sx + ATx. Cox proportional-hazards regression assessed overall survival (OS) and logistic regression identified predictors of IC.
Results Of 3,162 patients, 1,088 (34.4%) were female with a mean age of 63.4 ± 13.4 years. The 2- and 5-year OS rates were 58.6 and 42.0%, respectively. Compared with CRT, Sx + ATx (hazard ratio [HR]: 0.663; p < 0.001), IC + Sx (HR: 0.606; p = 0.005), or IC + Sx + ATx (HR: 0.468; p = 0.001) exhibited reduced mortality. Among patients who were treated with definitive surgery, those receiving IC had additional OS benefit (all ps < 0.05). Older age (odds ratio [OR]: 0.607; p < 0.001), female sex (OR: 0.759; p = 0.028), Black race (OR: 1.650; p < 0.001, T4b stage (OR: 1.674; p < 0.001), and higher N stage (OR: 1.395; p < 0.001) were predictors of IC.
Conclusion IC prior to definitive surgery with or without adjuvant therapy exhibited the highest OS for locoregionally advanced SNSCC. Age, sex, race, and T/N staging were predictors of IC. Multimodal treatment regimens involving surgery as the primary modality may, therefore, provide the greatest therapeutic response.
Ecology in seventeenth-century Japan: the ‘Great Way’ of Kumazawa Banzan
Authors: McMullen James 
Published: December 2023

AbstractThe introduction glances at the historical background of seventeenth-century Japan and the role of Kumazawa Banzan. His views are then presented as a variant of the ‘anthropocosmic’ character of premodern religious thinking as identified by the Romanian scholar of religion, Mircea Eliade (1907-86). Banzan adopted the Neo-Confucian view of man as ontologically embedded in the natural order and held a Confucian faith in the arcadian ancient Chinese ‘Three Dynasties’ created through the artifice of Chinese Sages. The essay describes Banzan’s cyclical view of time, fall from arcadia, and man’s agency in post-lapsarian history. It addresses failures in rulership responsible for the ecological crisis of contemporary Japan. It then turns to the ‘eternal return’ characteristic of the traditionalist religions studied by Eliade. A conclusion explores homologies between Banzan’s diagnosis of crisis in his pre-industrial world and the fraught views of man and nature in the twenty-first century.
Inclusive education of refugee students with disabilities in higher education: a comparative case study
Authors: Al-Hendawi Maha , Alodat Ali M. 
Published: December 2023

AbstractThe United Nations Sustainable Development Goal 4 (SDG-4) calls for the establishment of an inclusive education system for all students. As conflicts, persecution, and natural disasters continue to displace millions globally, the duration of refugee situations has become increasingly extended. The complexities of exile have further entangled the human rights issue, making it essential for affected individuals to seek sanctuary in other countries. These crises not only uproot families but also disrupt livelihoods and educational systems. Consequently, the onus has been on international laws and policies to promote and protect inclusive education as a human right for students with disabilities. In this study, using mixed methods, we first conducted interviews with two Syrian students with disabilities at Yarmouk University in Jordan and Qatar University in Qatar. Thematic analysis of these interviews yielded three primary themes: equity in educational opportunities, services provided, and challenges facing inclusive education. Following the interviews, we conducted a document analysis to evaluate the educational policies at both institutions. We used the 4-A framework for this evaluation, emphasizing that educational systems should be Available, Accessible, Acceptable, and Adaptable. The analysis indicated significant disparities in how closely each institution adheres to the principles of the 4-A framework. The findings indicate that inconsistencies in policy implementation, unequal access to financial aid, and difficulties in career planning are influenced by cultural, social, political, and economic factors.
A simple and modular quasi stepped impedance resonator based reconfigurable bandpass filter for 5G applications
Authors: Waqas Muhammad , Rehman Sajjad U , Ahmad Mohaira , Malik Waqar A , Gul Hamza Zad , Abdulkawi Wazie M , Alkanhal Majeed A 
Published: December 2023

Abstract
A small-sized quasi-stepped impedance resonator (SIR) based single-band to dual-band reconfigurable bandpass filter is presented in this work. The proposed quasi-SIR filter is modular in nature and can be easily scaled to higher- or lower-frequency bands. To this end, a single- to dual-band reconfigurable modified SIR is designed. The designed reconfigurable resonator was then used to develop a single-band to dual-band reconfigurable filter. The proposed filter structure comprises two resonators loaded with PIN diodes to provide the switching. The filter allows switching between single and dual-band frequencies. In the OFF state, PIN diodes provide single-band resonance with a resonant frequency of 3.8 GHz. While the ON state of PIN diodes provides dual-band resonance of 3.35 GHz and 4.3 GHz. The structure of the filter is modular and is designed, analysed, and fabricated on a low-cost FR4 dielectric substrate with a 4.3 dielectric constant and 0.78 mm thickness. The measured results are in good agreement with the simulation results. The filter is designed to operate in the sub-6 GHz band, a designated band for 5G communication, and is thus suitable for incorporation in 5G devices with reconfigurability applications.
Constellation attitude tracking control of the space gravitational wave observatory under configuration disturbances
Authors: Deng Huifang , Meng Yunhe 
Published: December 2023

Abstract
Space based gravitational wave detectors require a precision relative attitude pointing control in science mode. Their configuration drifts under the influence of perturbations. The spacecraft and telescope optical assembly attitude control loops need to respond to this change in real time. In particular, the constellation reference attitude of the detectors orbiting the earth changes much more than the detectors orbiting the sun, which posing a great challenge to the control system. This article focuses on the constellation attitude tracking problem of the space gravitational wave observatory under configuration disturbances, and systematically analyzes the evolution of the constellation reference attitude. A control method based on finite frequency optimization combine with an improved error-disturbance based observer is proposed. Numerical algorithm simulations show that the method can obtain precise attitude tracking in the measurement bandwidth while effectively suppress the unknown disturbances. Compare with the disturbance based observer controller, the overall error can be reduced by 55% of the original.
Modifying electric and multiferroic properties of lead-free 0.7BFO-0.3BTO ceramics via Sm and Ga co-doping
Authors: Jabeen Farha , Gupta Nanhe Kumar , Pandey Raghvendra , Singh M N , Shahid Raza , Khan M Shahid 
Published: December 2023

Abstract
Polycrystalline lead-free composite ceramics composed of 0.7Bi1-xSmxFe0.95Ga0.05O3−0.3BaTiO3 (BSxFG-BT) with varying doping concentration of x (0.025, 0.05, 0.10, 0.15, and 0.20) were synthesized. This study comprehensively explores the influence of co-doping Samarium (Sm) and Gallium (Ga) on the microstructures, spectral properties, electrical characteristics, and multiferroic behaviour within the 0.7BiFeO3−0.3BaTiO3 system. These composite ceramics exhibited coexistence of R (rhombohedral) and T (tetragonal) phases, characterized by the space groups R3c and P4mm, respectively. The XRD and AFM results show that the Sm and Ga co-doping influenced the crystal structure as well as grain size of BSxFG-BT ceramics. Raman spectroscopy was used to analyze the positions of the phonon modes. High dielectric constant with high Curie temperature of 550 °C were obtained. The impact of grain and grain boundary on the capacitance and resistance in the ceramics was investigated utilizing Z-view software and high magnitude of bulk resistance was obtained for dopant value x = 0.20 at 300 °C. Enhanced multiferroic properties, remanent magnetisation Mr = 0.051 emu g−1 with coercive field (Hc) = 6450 Oe and remanent polarization Pr = 10.98 μC cm−2 with coercive filed Ec = 14.73 kV cm−1 were obtained for x = 0.20.
Probing Schwarzschild-like black holes in metric-affine bumblebee gravity with accretion disk, deflection angle, greybody bounds, and neutrino propagation
Authors: Lambiase Gaetano , Mastrototaro Leonardo , Pantig Reggie C. , Övgün Ali 
Published: December 2023

Abstract
In this paper, we investigate Schwarzschild-like black holes within the framework of
metric-affine bumblebee gravity. We explore the implications of such a gravitational setup on
various astrophysical phenomena, including the presence of an accretion disk, the deflection angle
of light rays, the establishment of greybody bounds, and the propagation of neutrinos. The
metric-affine bumblebee gravity theory offers a unique perspective on gravitational interactions
by introducing a vector field that couples to spacetime curvature. We analyze the behavior of
accretion disks around Schwarzschild-like black holes in this modified gravity scenario,
considering the effects of the bumblebee field on the accretion process. Furthermore, we
scrutinize the deflection angle of light rays as they traverse the gravitational field,
highlighting potential deviations from standard predictions due to the underlying metric-affine
structure. Investigating greybody bounds in this context sheds light on the thermal radiation
emitted by black holes and how the modified gravity framework influences this
phenomenon. Moreover, we explore neutrino propagation around Schwarzschild-like black holes within
metric-affine bumblebee gravity, examining alterations in neutrino trajectories and interactions
compared to conventional general relativity. By comprehensively probing these aspects, we aim to
unravel the distinctive features and consequences of Schwarzschild-like black holes in the context
of metric-affine bumblebee gravity, offering new insights into the nature of gravitational
interactions and their observable signatures.
Minimal basis for exact time dependent kernels in cosmological perturbation theory and application to ΛCDM and w
0
wa
CDM
Authors: Hartmeier Michael , Garny Mathias 
Published: December 2023

Abstract
We derive a minimal basis of kernels furnishing the perturbative expansion of the density
contrast and velocity divergence in powers of the initial density field that is applicable to
cosmological models with arbitrary expansion history, thereby relaxing the commonly adopted
Einstein-de-Sitter (EdS) approximation. For this class of cosmological models, the non-linear
kernels are at every order given by a sum of terms, each of which factorizes into a time-dependent
growth factor and a wavenumber-dependent basis function. We show how to reduce the set of basis
functions to a minimal amount, and give explicit expressions up to order n = 5. We find that for
this minimal basis choice, each basis function individually displays the expected scaling
behaviour due to momentum conservation, being non-trivial at n ≥ 4. This is a highly desirable
property for numerical evaluation of loop corrections. In addition, it allows us to match the
density field to an effective field theory (EFT) description for cosmologies with an arbitrary
expansion history, which we explicitly derive at order four. We evaluate the differences to the
EdS approximation for ΛCDM and w
0
wa
CDM, paying special attention to the irreducible
cosmology dependence that cannot be absorbed into EFT terms for the one-loop bispectrum. Finally,
we provide algebraic recursion relations for a special generalization of the EdS approximation
that retains its simplicity and is relevant for mixed hot and cold dark matter models.
Effects of fragmentation on post-inflationary reheating
Authors: Garcia Marcos A.G. , Gross Mathieu , Mambrini Yann , Olive Keith A. , Pierre Mathias , Yoon Jong-Hyun 
Published: December 2023

Abstract
We consider the effects of fragmentation on the post-inflationary epoch of reheating.
In simple single field models of inflation, an inflaton condensate undergoes an oscillatory phase once inflationary expansion ends. The equation of state of the condensate depends on the shape of the scalar potential, V(ϕ), about its minimum. Assuming V(ϕ) ∼ ϕk
, the equation of state parameter is given by w = Pϕ
/ρϕ
= (k - 2)/(k + 2).
The evolution of condensate and the reheating process depend on k. For k ≥ 4, inflaton self-interactions may lead to the fragmentation of the condensate and alter the reheating process. Indeed, these self-interactions lead to the production of a massless gas of inflaton particles as w relaxes to 1/3. If reheating occurs before fragmentation, the effects of fragmentation are harmless. We find, however, that the effects of fragmentation depend sensitively to the specific reheating process. Reheating through the decays to fermions is largely excluded since perturbative couplings would imply that fragmentation occurs before reheating and in fact could prevent reheating from completion. Reheating through the decays to boson is relatively unaffected by fragmentation and reheating through scatterings results in a lower reheating temperature.
Dual-wavelength Nd:CALGO laser based on differential loss of birefringent filter
Authors: Akbari Reza , Loiko Pavel , Xu Jun , Xu Xiaodong , Major Arkady 
Published: December 2023

Abstract
Continuous-wave dual-wavelength (DW) operation of an a-cut Nd:CALGO (Nd:CaGdAlO4) laser around ∼1.08 μm was demonstrated using a single plate quartz birefringent filter (BRF) with an on-surface optical axis. A wide range of wavelength separations between the two laser lines ranging from sub-nm up to 10 nm was observed with controllable intensity ratios. A new regime of operation of DW laser was also identified where one of the oscillating spectral lines was in the rejection band of the filter. This is in sharp contrast with typical operation of DW lasers with BRF where wavelength separation was limited either to the free spectral range or to the linewidth of a single transmission peak of the used filter. This was enabled by differential loss introduced by a single transmission peak of the BRF. Using this mechanism, generation of a large number of laser wavelength pairs became possible.
Multi-objective Configuration Method for Mobile Energy Storage Aimed at Enhancing the Resilience of Regional Power Grid
Authors: Ma Jun , Feng Xinzhen , Lei Jie , Ling Jiakai , Hua Mengwei 
Published: December 2023

Abstract
Mobile energy storage has the advantages of high mobility, environmental friendliness, and wide application scenarios. It is widely used in important load protection, outdoor emergency power supply, and distribution network capacity expansion scenarios. This paper proposes a multi-objective configuration method for flexibly supporting the optimal operation of regional distribution networks. It aims to address the configuration problem of multi-mobile energy storage supporting regional power grid operation. A multi-objective optimization operation model for renewable energy distribution networks has been established. A multi-objective optimization method combining the normalized normal constraint method and improved composite method is proposed. It can achieve optimization decision-making of mobile energy storage positions, charging and discharging states, and power at different periods. Finally, simulation analysis is conducted on the IEEE 33 node distribution system to verify the effectiveness of the control method and algorithm.
Research on optimal scheduling method of active distribution network considering multi-type flexible resources
Authors: Song Jigao , Li Siwi , Jiang Yan 
Published: December 2023

Abstract
With the increase in the utilization rate of renewable energy, the volatility and uncertainty of active distribution networks have become more significant. Comprehensive consideration of the coordination and optimization of multiple resources can improve the flexibility of the system and promote energy consumption. Effective substitution Quantitative modeling is carried out considering a large number of flexible resources based on the flexibility of nodes and networks, combined with the physical characteristics of node flexible resources. Through the analysis of the implementation principle, control mode, and operation characteristics of the soft open point of network flexibility resource, the operation model of the soft open point with combined energy storage is established. On this basis, there are two elasticity evaluation indicators: elasticity adequacy and transmission adequacy. And we incorporate flexible benefits into optimization goals. Multiple optimization scheduling models have been created, including economy node flexibility, and network flexibility. Finally, multiple target particle swarm optimization algorithms will use the proposed scheduling model, combined with trend calculation and validation, using an improved IEEE33 node system.
A Planning Model of AC/DC Hybrid Microgrid Considering Tie-Line Utilization
Authors: Lin Yi , Chen Hao , Guo Chuangxin 
Published: December 2023

Abstract
MG (microgrid) effectively aggregates Distributed energy resources (DERs), load users, energy storage, and energy conversion equipment, so as to improve the nearby absorption rate of DERs. Nowadays, with the rapid growth of DERs and the DC load, the traditional AC microgrid cannot fit the need for a new load under the determined capacity of the AC microgrid. Therefore, this paper proposes a planning model and takes the fluctuation of interactive power in tie-line into consideration. Then, the multi-objective problem is solved by the maximum satisfaction index method and verified by the real case somewhere in Zhejiang Province.