bluuebunny/crossref_metadata_2025_split huggingface dataset:
Continuous-wave operation of Si-based 1.31 μm InAs/GaAs quantum-dot laser grown by molecular beam epitaxy
Authors: Du Antian , Cao Chunfang , Han Shixian , Wang Hailong , Gong Qian 
Published: July 2023

Abstract
Excellent performance III-V quantum-dot (QD) lasers grown on Si substrates by molecular beam epitaxy (MBE) are the most promising candidates for commercially viable Si-based lasers. This makes coveted chip-to-chip and system-to-system optical interconnections feasible. This paper reports the realization of high performance 1.31 μm InAs/GaAs QD lasers on a Si substrate with all-MBE The transition from Si to GaAs was realized using Ge as the intermediary layer, and the InAs/GaAs QD laser structure was grown on the GaAs/Ge buffer. Under continuous wave (CW) operation mode, a low threshold current density of 375 A cm−2, high output power of 63 mW, and high operating temperature of 80 °C, have been achieved using Si-based InAs QD lasers with a narrow ridge structure. It has great potential for application in the development of Si-based photonic integration circuits.
Lattice Boltzmann simulation of natural convection of ethylene glycol-alumina nanofluid in a C-shaped enclosure with MFD viscosity through a parallel computing platform and quantitative parametric assessment
Authors: Anee Meratun Junnut , Siddiqa Sadia , Hasan Md Farhad , Molla Md Mamun 
Published: July 2023

Abstract
There has been a strong interest to design and optimise thermally efficient heating and cooling equipment. The conventional fluids such as oil and water have limited thermal efficiency. Therefore, researchers have been seeking alternatives to the conventional fluids to improve the efficacy of heat exchanging and electronic cooling devices and nanofluid has been identified as a great option in this regard. Although nanofluid is a great alternative, certain specifications, geometries, and pertinent parameters need to be thoroughly investigated for a comprehensive understanding with the aid of robust computational technique. The aim of this study was to investigate the multiple-relaxation-time (MRT) lattice Boltzmann method (LBM) to numerically analyse the effects of magnetic field dependent (MFD) viscosity on the natural convection of ethylene glycol (C2H6O2)-alumina (Al2O3) nanofluid in a side heated two-dimensional C-shaped enclosure using graphics processing unit (GPU) by a computing unified device architecture (CUDA) C parallel computing platform. Numerical simulations were performed at multifarious Rayleigh numbers, Hartmann numbers, and the different magnetic field inclination angles to study the heat transfer and various flow patterns under magnetic field-dependent (MFD) viscosity, solutions were presented by varying volume fraction of nanoparticles, Rayleigh numbers, viscous parameters, magnetic inclination angles, and Hartman numbers on streamlines, isotherms, local and average Nusselt number and temperature. Further correlation developments were conducted through Levenberg-Marquardt data-driven algorithm to investigate the influence of all the parameters on average Nusselt numbers, entropy generation, and fluid irreversibility parameter. The findings demonstrated that as the Rayleigh numbers augmented, the average Nusselt number increased significantly due to the influence of buoyancy, whereas under the influence of Hartmann numbers, average Nusselt numbers decreased due to the dominance of magnetic field strength and Lorentz force. However, the heat transfer continued to improve if the concentration of the nanoparticles increased, thus showcasing the importance of hybrid nanofluid. In addition, the entropy generation impact across the cavity for the ethylene glycol-alumina nanofluid was greatly enhanced by a stronger buoyancy influence.
La0.6X0.1Te0.3MnO3 system with significant refrigerant capacity at low magnetic field and double magnetic entropy change peaks: effect of ball-milling time on physical and critical behaviors
Authors: Hamdi R , Smari M , Bajorek A , Hayek S S , Dhahri E , Haik Y 
Published: July 2023

Abstract
We have investigated the ball-milling time effect on different physical properties of La0.6X0.1Te0.3MnO3 (X is a lacuna) system (LT) milled for 1 h (LT-1h), 3 h (LT-3h), and 6 h (LT-6h). According to Williamson-Hall method, as the ball-milling duration is increased, the material’s crystallite size decreases from approximately 145 to 99 nm for LT-1h and LT-6h, respectively. Electronic study was also investigated. The Zero-Field-Cooling and Field-Cooling (ZFC/FC) magnetization measurements illustrated that all the systems are presenting a ferromagnetic to paramagnetic phase transition around Curie temperature (TC). This transition is around 176, 182, and 183 K accompanied by a decrease in the magnitude in both ZFC and FC data. Thus, increasing the ball-milling time of the sample leads to the elevation of TC and does not enhance the magnitude of the magnetization the fact that it affects the magnetic interactions between atoms. By increasing the ball-milling duration, the proportion of homogeneity is increased, and the material becomes slightly more resilient, according to the Curie-Weiss law. Additionally, it is accompanied with an increase in coercivity and a decrease in the saturation magnetization and remanence. Based on the AC-susceptibility, raising the ball-milling time facilitates the appearance of a spin-glass (SG) state. The relative cooling power (RCP) value in the LT-1h sample at 2 T is 108% (211.758 J kg−1) compared to that of the Gd at 2 T. Consequently, the LT sample could be a permanent magnet in a magnetic refrigerator. Noting that raising the ball-milling time weakens the RCP. Both LT-1h and LT-3h systems are belonging to the tricritical mean field model. However, for LT-6h, the model changed and the best one became the 3D-Ising model. Hence, the ball-milling time influences also the universality class.
Scaling of inter-pore spacing of lotus-type pores
Authors: Wei P S , Luo C W , Hsieh I-C 
Published: July 2023

Abstract
The present study is to scale the inter-pore spacing and bubble radius required for controlling the porosity of the lotus-type pores in the solid during a unidirectional solidification. The porosity in solid degrade properties of material in welding, casting and additive manufacturing, etc. On the other hand, the ordered cylindrical pores in the material are often used to improve the functional properties, such as the tensile and compression stresses, the impact and acoustic energy absorption, the permeability, and the thermal and electrical conductivity, etc. Different from the traditional minimum undercooling criterion to estimate the porosity and size of lotus-type pores, this study relevantly combines the Gibbs-Thomson equation, the Young-Laplace equation, the nucleation theory, and the Henry’s law or Sieverts’ law to scale the inter-pore spacing and the critical radius of the lotus-type pores, which are considered as the same order of the wavelength and the amplitude of the morphological instability of the solidification front, respectively. This work revises the minimum undercooling criterion which ignores the nucleating bubble on the solidification front, and conducts irrelevant evaluation of the curvature of the solidification front. The present work finds the revised scaling results and available experimental data to be in good agreement. The sizes of the pores and the porosity in the solid can be successfully controlled in advance.
Detecting dark compact objects in Gaia DR4:
A data analysis pipeline for transient astrometric lensing searches
Authors: Chen I-Kai , Kongsore Marius , Tilburg Ken Van 
Published: July 2023

Abstract
The Gaia satellite is cataloging the astrometric properties of an unprecedented
number of stars in the Milky Way with extraordinary precision. This provides a gateway for
conducting extensive surveys of transient astrometric lensing events caused by dark compact
objects. In this work, we establish a data analysis pipeline capable of searching for such events
in the upcoming Gaia Data Release 4 (DR4). We use Gaia Early Data Release 3
(EDR3) and current dark matter and astrophysical black hole population models to create mock DR4
catalogs containing stellar trajectories perturbed by lensing. Our analysis of these mock catalogs
suggests that Gaia DR4 will contain about 4 astrometric lensing events from astrophysical
black holes at a 5σ significance level. Furthermore, we project that our data analysis
pipeline applied to Gaia DR4 will result in leading constraints on compact dark matter in
the mass range 1–103 M
⊙ down to a dark matter fraction of about one percent.
Time evolution of temporal, spatial and spectral distribution of high-energy electron radiation in intense laser pulses
Authors: Sun Shichen , Shen Tong , Tian Youwei 
Published: July 2023

Abstract
To study the time evolution of high-energy electron radiation in circularly polarized intense laser pulses in detail, a model of the interaction between the high-energy single electron and intense laser pulses is constructed based on the Lagrangian equation and the electron energy equation. Through simulation, this article vividly displays the evolution process of radiation in the spatial, frequency and time domain. By modulating the interaction time between the laser and electron and referring to the spatial distribution image of energy, the value and direction of the maximum radiation energy per unit solid angle are calculated. In addition, in specific directions, this paper discusses the effects of interaction duration on the energy frequency distribution and the power variation pattern. The results prove that the maximum radiation energy per unit solid angle will appear when the interaction time comes to about 450 fs, which is also the boundary moment when the frequency and time spectrum no longer change obviously. Therefore, by modifying the duration of the electron–laser interaction, it is possible to produce the electron radiation with desired characteristics more precisely.
Methods for automated delineation and assessment of EMG responses evoked by peripheral nerve stimulation in diagnostic and closed-loop therapeutic applications
Authors: McKinnon Michael L , Hill N Jeremy , Carp Jonathan S , Dellenbach Blair , Thompson Aiko K 
Published: July 2023

Abstract

Objective. Surface electromyography measurements of the Hoffmann (H-) reflex are essential in a wide range of neuroscientific and clinical applications. One promising emerging therapeutic application is H-reflex operant conditioning, whereby a person is trained to modulate the H-reflex, with generalized beneficial effects on sensorimotor function in chronic neuromuscular disorders. Both traditional diagnostic and novel realtime therapeutic applications rely on accurate definitions of the H-reflex and M-wave temporal bounds, which currently depend on expert case-by-case judgment. The current study automates such judgments. Approach. Our novel wavelet-based algorithm automatically determines temporal extent and amplitude of the human soleus H-reflex and M-wave. In each of 20 participants, the algorithm was trained on data from a preliminary 3 or 4 min recruitment-curve measurement. Output was evaluated on parametric fits to subsequent sessions’ recruitment curves (92 curves across all participants) and on the conditioning protocol’s subsequent baseline trials (∼1200 per participant) performed near H
max. Results were compared against the original temporal bounds estimated at the time, and against retrospective estimates made by an expert 6 years later. Main results. Automatic bounds agreed well with manual estimates: 95% lay within ±2.5 ms. The resulting H-reflex magnitude estimates showed excellent agreement (97.5% average across participants) between automatic and retrospective bounds regarding which trials would be considered successful for operant conditioning. Recruitment-curve parameters also agreed well between automatic and manual methods: 95% of the automatic estimates of the current required to elicit H
max fell within

±
1.4
%

of the retrospective estimate; for the ‘threshold’ current that produced an M-wave 10% of maximum, this value was

±
3.5
%

. Significance. Such dependable automation of M-wave and H-reflex definition should make both established and emerging H-reflex protocols considerably less vulnerable to inter-personnel variability and human error, increasing translational potential.
Conference Report on the 7th International Symposium on Liquid metals Applications for fusion (ISLA-7)
Authors: Hirooka Y. , de Castro A. , Goto T. , Maingi R. , Morgan T.W. , Ono M. , Shimada M. 
Published: July 2023

Abstract
Supported by the world magnetic fusion research community, a series of International Symposia on Liquid metals Applications for fusion (ISLA) have been held biannually since 2010. The 7th edition (ISLA-7) was held for the period from 12 December through 16 December 2022, at Chubu University located in Kasugai, Aichi, Japan. For the first time in the history of this series of symposia, ISLA-7 was held in a hybrid fashion, due to the COVID-19 situation. The total number of the participants was 60, 34 out of whom attended the symposium in person, and the rest participated online. As to the presentation statistics, 29 papers were presented in person, whereas 21 presentations were delivered online but real-time by the presenters in China, Spain, the UK, and the USA. Both of the presentations delivered in person and online were recorded, and the video has been shared by all participants. These participants represent 11 countries: China, Czech, Italy, Japan, Latvia, Netherlands, Russia, Thailand, the UK, and the USA. All these numbers are among the largest in this series of symposia. Covered by these presentations are; in session-2, program overviews and liquid metal research review; in session-3, liquid metal flows, and MHD issues; in session-4, liquid metal facilities; in sessions-5 and 6, liquid metal experiments and modeling; in session-7, divertor physics and heat flux mitigation; in session-8, plasma and liquid metals interactions; in session-9 liquid metal plasma-facing components, erosion, and wettability. In addition, there were an opening session whereby several opening addresses were delivered and also a closing session where all technical session summaries were presented by the respective session chairs.
Development of Information System for Evaluation of Work and Prediction of Countermeasures for Problems in Assembly Work
Authors: Kobayashi Hayata , Arakawa Masahiro 
Published: July 2023

Abstract
In this study, we develop an information system to evaluate work and predict countermeasures for resolving problems to continuously promote the work process and design in parts assembly work. The information system is constructed using a subsystem including image processing to detect the locations of the tips and joints of the fingers of a worker’s hands and the locations of parts. To predict the problems and generate countermeasures to resolve the challenges, three types of data structures are constructed and they are connected related to works, evaluation values, the causes of the problems, and the countermeasures for problems in the works. We explain the characteristics of the developed system and perform the system in the actual assembly process to evaluate the system’s effectiveness.
Evaluation of plastic scintillating fibers coating technique for muon imaging detector using a Compton-coincidence-technique system
Authors: Feng Meichan , Li Daowu , Fan Xingming , Zhai Jiajia , Cai Zhiyan , Zhu Meiling , Tang Haohui , Wang Yingjie , Huang Xianchao , Zhang Zhiming , Wei Long 
Published: July 2023

Abstract
This study is devoted to studying the performance of plastic
scintillating fibers (PSFs) for a high-position-resolution muon
imaging detector. A test system based on the Compton coincidence
technique is designed to study the light collection of the
PSFs. When Compton scattering occurs between the PSFs and gamma ray
emitted by the collimated radioactive source, the PSF detector has
detected the definite energy of recoiled electrons, and the
coincidence detector has detected the energy of scattered
photons. Four groups of PSFs were tested, three of which were
wrapped with the Enhanced Specular Reflector (ESR) in different
ways. The experimental results show that the light collection of the
PSF detector can be increased by wrapping the PSFs with ESR and
leaving an air gap between the PSF and the ESR. Meanwhile, the light
collection is increased while the position where Compton scattering
occurs in the PSF is closer to the silicon photomultiplier
(SiPM). This study provides a method for measuring the light
collection in narrow PSFs. In conclusion, the presence and fine
wrapping of the ESR ensure the isolation and position accuracy in
the arrays of PSFs.
Mean-field theory is exact for Ising spin glass models with Kac potential in non-additive limit on Nishimori line
Authors: Okuyama Manaka , Ohzeki Masayuki 
Published: July 2023

Abstract
Recently, Mori (2011 Phys. Rev. E 84 031128) has conjectured that the free energy of Ising spin glass models with the Kac potential in the non-additive limit, such as the power-law potential in the non-additive regime, is exactly equal to that of the Sherrington–Kirkpatrick model in the thermodynamic limit. In this study, we prove that his conjecture is true on the Nishimori line at any temperature in any dimension. One of the key ingredients of the proof is the use of the Gibbs–Bogoliubov inequality on the Nishimori line. We also consider the case in which the probability distribution of the interaction is symmetric, where his conjecture is true at any temperature in one dimension but is an open problem in the low-temperature regime in two or more dimensions.
Identification of both orbital angular momentum and radial mode based on multiplexing holography
Authors: Zhang Furong , Kong Ling-Jun , Zhang Zhuo , Zhang Jingfeng , Zhang Xiangdong 
Published: July 2023

Abstract
In recent years, the azimuthal mode, also known as orbital angular momentum (OAM), and the radial mode of Laguerre Gaussian (LG) beams have been applied in many disparate areas of physics. Identification of these modes is a basic technique for these applications. Although there are many recognition methods, each has its own problems. Either it can only be used to distinguish OAM modes or radial modes, or the number of modes that can be distinguished is too small, or the operation is too complex. So, a great challenge is to design a method that is not only simple, but also applicable to the identification of both OAM and radial modes with high dimension. Here, by introducing strong mode selectivity, we propose a convenient method for the identification of OAM and radial modes based on multiplexing holography. In our method, only a single hologram is needed. Experiments on the identification of 100 OAM modes (l = −50, −49, …, +49, +50) have been carried out to demonstrate the feasibility of our design. Additionally, our method is also applicable for the identification of radial modes, and then to the identification of LG modes. In experiment, we have realized the identification of 8 radial modes (p = 1, 2, 3, …, 8) and 120 LG modes (p = 1, 3, 5, and l = −20, −19, …, +20). Our method should have important applications in high-capacity optical communication based on OAM modes, radial modes, or LG modes.
Combinations of orbital angular momentum in two degenerate four-wave mixing processes in Rb vapor
Authors: da Motta M R L , Almeida A A C de , Vianna S S 
Published: July 2023

Abstract
We present experimental measurements showing the combination of the orbital angular momentum (OAM) content of incident light beams in two distinct processes of degenerate four-wave mixing induced in hot rubidium vapor. These two processes, driven by the same fields, must satisfy distinct topological charge (TC) selection rules, which impose OAM conservation. These selection rules are readily obtained from the so-called overlap integral of the incident beams and allow us to control the relations between the two nonlinear signals, in particular, to characterize the conditions to obtain the two signals with symmetric or anti-symmetric TCs. The tilted lens method was employed to measure the OAM content of the output fields. We also discuss the transition from the near- to the far-field distributions of the generated signals.
Magnetocaloric properties of shape-dependent nanostructured Gd2O3 oxide particles
Authors: Neupane Dipesh , Casey Jacob , Sultana Jolaikha , Pathak Arjun K , Karna Sunil , Pollard Shawn , Mishra Sanjay R 
Published: July 2023

Abstract
Single-phase Gd2O3 nanostructures with different morphologies, such as nanoparticles, nanorods, nanospheres, and nanoplates, were synthesised. Gd2O3 1D nanorods and 2D nanoplate architectures were prepared via the hydrothermal method, while 3D hollow nanospheres were synthesised via homogeneous precipitation. The magnetic and magnetocaloric properties of Gd2O3 nanostructured particles were studied as functions of temperature and field. The material demonstrated typical paramagnetic behaviour in the measured temperature range of 3–300 K. The magnetic entropy change (−ΔS

M
) was determined from the magnetic isotherms measured in the 3–38 K temperature range in the field up to 5 T. The maximum change in magnetic entropy

Δ

S

M

max

value 11.2 J kg−1 K−1 for the nanoplate, 9.4 J kg−1 K−1 for the nanorod, 9.2 J kg−1 K−1 for the nanosphere, and 10.7 J kg−1 K−1 for the nanoparticle sample was observed at temperature 5 K for the magnetic field of 5 T. Owing to large

Δ

S

M

max

,

these Gd2O3 nanostructured particles would be considered promising materials for magnetic refrigeration at cryogenic temperatures.
Isolation and Identification of bacteria from the agricultural soil samples to tolerate pesticides dimethoate, thiamethoxam and Imidacloprid
Authors: J Jayaraj , S Shibila , S Mathan Kumar , Ramaiah Mariselvam , Alahmadi Tahani Awad , Alharbi Sulaiman Ali , Mideen Ponnani Kaja , K Sakthiganesh , Sivagnanam Ananthi 
Published: July 2023

Abstract
In the current study, bacteria from agricultural soil systems that have been polluted with pesticides were isolated, identified, and their ability to tolerate pesticides was examined. Target bacterial species were isolated from Psidium guajava (L) and Abelmoschus esculentus (L) cultivating an agriculture field. From 10 distinct soil samples collected from an agricultural field, 27 bacterial species were extracted, and the capacity of these microorganisms to withstand pesticides was examined. Only three bacterial species (PRB-S1P2, PRB-S1P3, and PRB-S6P1) are capable to grow on Nutrient agar medium with different concentration of pesticides dimethoate, Thiamethoxam and Imidacloprid. Apart from these three, one bacterial species were highly tolerant to all test pesticides. The highest pesticide tolerant bacteria are Pseudomonas nitroreducens was identified through 16s rRNA sequencing and the sequences were submitted to the NCBI with the accession No: ON624333.1. Hence, the bacteria can be subjected to further study of its use in the field of bioremediation.