bluuebunny/crossref_metadata_2025_split huggingface dataset:
Suppression of superconductivity by spin fluctuations
Authors: Yamase Hiroyuki 
Published: March 2022

Abstract
We revisit the superconducting instability mediated by spin fluctuations in generic electron systems on a square lattice. We employ the standard Eliashberg theory, include the electron self-energy, keep a fine momentum resolution, and achieve numerical calculations down to very low temperatures so that the onset temperature of superconductivity (SC) can be determined. We find that spin fluctuations necessarily contain a contribution to suppress SC even though the superconducting instability can eventually occur at lower temperatures. This self-restraint effect stems from the repulsive pairing interaction induced by spin fluctuations, which leads to phase frustration of the pairing gap and consequently the suppression of SC. The self-restraint effect is a special feature of spin fluctuations and does not occur when SC is driven by the attractive pairing interaction from, for example, nematic fluctuations, orbital fluctuations, and electron-phonon coupling.
Possible pairing symmetries in the ordered honeycomb network superconductor BaPtSb
Authors: Kudo Masafumi , Shingu Shohei O. , Imazu Tsuyoshi , Goryo Jun , Imai Yoshiki 
Published: March 2022

Abstract
We investigate the pairing symmetry of the ordered honeycomb network superconductor BaPtSb, which has a crystal structure without inversion center. There is a preliminary μSR report which implies the broken time-reversal symmetry in the superconducting state. In this paper, we classify the pairing symmetry and examine the pairing instability. Among the unconventional states with time-reversal symmetry breaking, we find that the state with a gap structure compatible with Fermi surfaces is the spin-triplet chiral p-wave state.
Effect of the strong electron correlations on the formation of Wigner crystal in n-GaAs/AlGaAs structure: Surface Acoustic Waves studies
Authors: Smirnov I Yu , Drichko I L , Suslov A V , Pfeiffer L N , West K W , Galperin Y M 
Published: March 2022

Abstract
The complex high-frequency conductance of high-mobility n-GaAs/AlGaAs heterostructures was determined in magnetic fields 12–18 T using the Surface Acoustic Waves technique. Analysis of frequency and temperature dependences of conductance showed that in the investigated magnetic field range and at low temperatures, T<200 mK, the electron system forms a Wigner crystal deformed due to pinning by disorder. We have also defined an effective melting temperature of the Wigner crystal.
Magnetic properties of rare-earth zigzag chain systems RAgSe2 (R = Ho, Er, Tm, and Yb)
Authors: Mizutami S. , Ohmagari Y. , Onimaru T. , Shimura Y. , Yamamoto R. , Umeo K. , Takabatake T. 
Published: March 2022

Abstract
In an antiferromagnetic zigzag chain, competition between the nearest and next-nearest neighbor interactions could give rise to magnetic frustration. Magnetic semiconductors RAgSe2 (R = Ho, Er, Tm, and Yb) crystallize in the ErAgSe2-type orthorhombic structure, where the R ions form a zigzag chain along the orthorhombic a-axis. The magnetic susceptibility data for all the samples follow the Curie-Weiss law between 40 and 300 K. The values of the effective magnetic moment μ
βα are close to those expected for the free R
3+ ions. Negative values of the paramagnetic Curie temperature θρ
indicate antiferromagnetic interactions. For R = Ho and Tm, the specific heat C(T) data exhibit no anomaly down to 0.4 K, which is ascribed to the nonmagnetic singlet ground states under the crystalline electric fields. On the other hand, for R = Er, C(T) shows peaks at T
1 = 1.3 K and T2
= 0.9 K, indicating successive antiferromagnetic transitions. For R = Yb, C(T) shows a lambda-type anomaly at T
m = 1.8 K. The magnetic entropy at T
m is only 30% of Rln2 expected for the ground state doublet, suggesting magnetic fluctuations above T
m.
Low-temperature physical properties of new orthorhombic compounds R4Pt9Al13 (R = Ce, Pr)
Authors: Nakamura Y , Matsuoka E , Sugawara H , Sakurai T , Ohta H 
Published: March 2022

Abstract
Magnetic, transport, and thermal properties of new orthorhombic compounds Ce4Pt9Al13 and Ce4Pt9Al13 have been investigated by the magnetization, the electrical resistivity, and the specific-heat measurements. Ce4Pt9Al13 is a Kondo-lattice compound and shows a ferromagnetic or ferrimagnetic transition at T
C = 0.88 K. Pr4Pt9Al13 is an antiferromagnetic compound with the transition temperature at T
N = 2.6 K.
Memory and rejuvenation effect on the cluster-glass phase of 1-D spin-chain compound Ca3Co2–xBixO6
Authors: Bisht Gajendra Singh , Pal D. 
Published: March 2022

Abstract
We studied the structural, static, and dynamic properties of Ca3Co2–xBixO6 (x = 0 and 0.2) by means of powder X-ray diffraction and magnetization measurements. We reveal the rejuvenation phenomena in magnetic relaxation under cyclic temperature change and quenching below T

c2. The reproduced step in the memory curve confirms the striking feature of rejuvenation effect in these samples. The observed memory and rejuvenation effects are discussed in the framework of hierarchical model of glassy phase.
Quasi-Flat-Band in s1/s2 Pyrochlore Oxides and the Effect of Spin-Orbit Interaction
Authors: Hase I , Higashi Y , Yanagisawa T 
Published: March 2022

Abstract
An isotropic tight-binding model with the nearest-neighbour hopping on a pyrochlore lattice gives a rich variety of physical properties due to the emergence of the flat-band. Moreover, by introducing spin-orbit coupling into this model, the topological properties of the system changes significantly. This model is well applicable to some pyrochlore oxides called s1/s2 pyrochlores. In this paper we apply this model to an s2 pyrochlore oxide Pb2Ta2O7 and found a characteristic quadratic touching of the quasi-flat band and dispersive band. Furthermore, when a ferromagnetic order appears due to this quasi-flat band, a pair of Weyl points appears in that direction.
Anomalous transport properties of the antiferromagnetic Weyl semimetals Mn3
X (X = Sn, Ge)
Authors: Tomita Takahiro , Minami Susumu , Ikhlas Muhammad , Nakamura Hiroto , Arita Ryotaro , Nakatsuji Satoru 
Published: March 2022

Abstract
Noncollinear antiferromagnets Mn3
X (X = Sn, Ge) are characterized by a large anomalous Hall effect originating from a large Berry curvature despite a vanishingly small magnetization. From recent first-principle theories, the large Berry curvature is predicted to be induced by a existence of Weyl nodes broken time-reversal symmetry. The large anomalous Nernst effect is also contributed by the magnetic Weyl state around the Fermi level EF, and likely shares its origin with the anomalous Hall effect. The thermoelectric transport S(T) and thermomagnetic transport Sji(T) are thus investigated in single crystals of Mn3
X. Here, Mn3
X exhibits a large anomalous Nernst effect; in particular, the signal magnitude of Mn3Ge exceeds 1μV/K, which is 1.5 times that of Mn3Sn. The Weyl properties are discussed by analyzing the thermal conductivity, specific heat, and Seebeck and Nernst effects. We also evaluate the zero-field Nernst-driven thermoelectric figure of merit for device applications in the antiferromagnets Mn3
X.
Numerical simulation of the start-up process of a miniature ion thruster
Authors: YANG Xinyong , WEI Liqiu , JIANG Wenjia , JI Tianyuan , ZHOU Liwei , LI Hong , DING Yongjie , TANG Jingfeng , GUO Ning , YU Daren 
Published: March 2022

Abstract
A particle-in-cell Monte Carlo collision model of a discharge chamber is established to investigate the start-up process of a miniature ion thruster. We present the discharge characteristics at different stages (the initial stage, development stage, and stable stage) according to the trend of the discharge current with time. The discharge current is the sum of the sidewall current and the backplate current. During the start-up process, the sidewall current lags behind the backplate current. The variation and distribution characteristics of the discharge current over time are determined by the electron density distribution and electric potential distribution.
A rapid bead-based assay for screening of SARS-CoV-2 neutralizing antibodies
Authors: Lupitha Santhik Subhasingh , Darvin Pramod , Chandrasekharan Aneesh , Varadarajan Shankara Narayanan , Divakaran Soumya Jaya , Easwaran Sreekumar , Nelson-Sathi Shijulal , Umasankar Perunthottathu K , Jones Sara , Joseph Iype , Pillai Madhavan Radhakrishna , Santhoshkumar Thankayyan Retnabai 
Published: March 2022

Abstract
Quantitative determination of neutralizing antibodies against Severe Acute Respiratory Syndrome Corona Virus-2 (SARS-CoV-2) is paramount in immunodiagnostics, vaccine efficacy testing, and immune response profiling among the vaccinated population. Cost-effective, rapid, easy-to-perform assays are essential to support the vaccine development process and immunosurveillance studies. We describe a bead-based screening assay for S1-neutralization using recombinant fluorescent proteins of hACE2 and SARS-CoV2-S1, immobilized on solid beads employing nanobodies/metal-affinity tags. Nanobody-mediated capture of SARS-CoV-2-Spike (S1) on agarose beads served as the trap for soluble recombinant ACE2-GFPSpark, inhibited by neutralizing antibody. The first approach demonstrates single-color fluorescent imaging of ACE2-GFPSpark binding to His-tagged S1-Receptor Binding Domain (RBD-His) immobilized beads. The second approach is dual-color imaging of soluble ACE2-GFPSpark to S1-Orange Fluorescent Protein (S1-OFPSpark) beads. Both methods showed a good correlation with the gold standard pseudovirion assay and can be adapted to any fluorescent platforms for screening.
Group Belief for a Reason
Authors: Brown Jessica 
Published: March 2022

Abstract
In this paper I investigate what it is for a group to believe something for a reason. I defend a non-summative account on which a group can believe that p for a reason even though none of its members believe that p for that reason. By contrast, a summative account would hold that the reason for which a group believes that p is a function of the reason(s) for which its members believe that p. I argue that the proposed non-summative account deals better with cases in which members of a group believe that p for different reasons. I also defend it against a range of objections, including that it conflicts with epistemic norms for assertion and action.
Privacy preserving validation for multiomic prediction models
Authors: Ahmed Talal , Carty Mark A , Wenric Stephane , Dry Jonathan R , Salahudeen Ameen A , Khan Aly A , Lefkofsky Eric , Stumpe Martin C , Pelossof Raphael 
Published: March 2022

Abstract
Reproducibility of results obtained using ribonucleic acid (RNA) data across labs remains a major hurdle in cancer research. Often, molecular predictors trained on one dataset cannot be applied to another due to differences in RNA library preparation and quantification, which inhibits the validation of predictors across labs. While current RNA correction algorithms reduce these differences, they require simultaneous access to patient-level data from all datasets, which necessitates the sharing of training data for predictors when sharing predictors. Here, we describe SpinAdapt, an unsupervised RNA correction algorithm that enables the transfer of molecular models without requiring access to patient-level data. It computes data corrections only via aggregate statistics of each dataset, thereby maintaining patient data privacy. Despite an inherent trade-off between privacy and performance, SpinAdapt outperforms current correction methods, like Seurat and ComBat, on publicly available cancer studies, including TCGA and ICGC. Furthermore, SpinAdapt can correct new samples, thereby enabling unbiased evaluation on validation cohorts. We expect this novel correction paradigm to enhance research reproducibility and to preserve patient privacy.
Identification of patients with branch-duct intraductal papillary mucinous neoplasm and very low risk of cancer: multicentre study
Authors: Tamburrino Domenico , de Pretis Nicolò , Pérez-Cuadrado-Robles Enrique , Uribarri-Gonzalez Laura , Ateeb Zeeshan , Belfiori Giulio , Maisonneuve Patrick , Capurso Gabriele , Vanella Giuseppe , Petrone Maria Chiara , Arcidiacono Paolo Giorgio , Vaalavuo Yrjo , Frulloni Luca , Dominguez-Muñoz J. Enrique , Deprez Pierre H. , Falconi Massimo , del Chiaro Marco , Crippa Stefano , Laukkarinen Johanna 
Published: March 2022

Abstract

Background
Different surveillance strategies for patients with low-risk branch-duct (BD) intraductal papillary neoplasm (IPMN) have been described. The aim of this study was to describe the natural history of low-risk BD-IPMN, and to identify risk factors for the development of worrisome features (WF)/high-risk stigmata (HRS) and of pancreatic malignancies.

Methods
This was a multicentre retrospective study of patients with BD-IPMN who were under active surveillance between January 2006 and December 2015. Patients were eligible if they had a low-risk lesion and had a minimum follow-up of 24 months. Outcomes were development of WF/HRS or cytologically/histologically confirmed malignant IPMN.

Results
Of 837 patients included, 168 (20 per cent) developed WF/HRS. At the end of the observation time, 132 patients (79 per cent) with WF/HRS were still under surveillance without progression to pancreatic cancer. Factors associated with the development of WF or HRS in multivariable analysis included localized nodules (versus diffuse: hazard ratio (HR) 0.43, 95 per cent c.i. 0.26 to 0.68), cyst size 15–19 mm (versus less than 15 mm: HR 1.88, 1.23 to 2.87) or at least 20 mm (versus less than 15 mm: HR 3.25, 2.30 to 4.60), main pancreatic duct size over 3 mm (versus 3 mm or less: HR 2.17, 1.41 to 3.34), and symptoms at diagnosis (versus no symptoms: HR 2.29, 1.52 to 3.45). Surveillance in an endoscopy-oriented centre was also associated with increased detection of WF or HRS (versus radiology-oriented: HR 2.46, 1.74 to 3.47).

Conclusion
Conservative management of patients with low-risk BD-IPMN is safe and feasible.
Quantitative and histologically validated measures of the entorhinal subfields in ex vivo MRI
Authors: Oltmer Jan , Slepneva Natalya , Llamas Rodriguez Josue , Greve Douglas N. , Williams Emily M. , Wang Ruopeng , Champion Samantha N. , Lang-Orsini Melanie , Nestor Kimberly , Fernandez-Ros Nídia , Fischl Bruce , Frosch Matthew P. , Magnain Caroline , van der Kouwe Andre J. W. , Augustinack Jean C. 
Published: March 2022

Abstract
Neuroimaging studies have routinely used hippocampal volume as a measure of Alzheimer’s disease severity, but hippocampal changes occur too late in the disease process for potential therapies to be effective. The entorhinal cortex is one of the first cortical areas affected by Alzheimer’s disease; its neurons are especially vulnerable to neurofibrillary tangles. Entorhinal atrophy also relates to the conversion from non-clinical to clinical Alzheimer’s disease. In neuroimaging, the human entorhinal cortex has so far mostly been considered in its entirety or divided into a medial and a lateral region. Cytoarchitectonic differences provide the opportunity for subfield parcellation. We investigated the entorhinal cortex on a subfield-specific level—at a critical time point of Alzheimer’s disease progression. While MRI allows multidimensional quantitative measurements, only histology provides enough accuracy to determine subfield boundaries—the pre-requisite for quantitative measurements within the entorhinal cortex. This study used histological data to validate ultra-high-resolution 7 Tesla ex vivo MRI and create entorhinal subfield parcellations in a total of 10 pre-clinical Alzheimer’s disease and normal control cases. Using ex vivo MRI, eight entorhinal subfields (olfactory, rostral, medial intermediate, intermediate, lateral rostral, lateral caudal, caudal, and caudal limiting) were characterized for cortical thickness, volume, and pial surface area. Our data indicated no influence of sex, or Braak and Braak staging on volume, cortical thickness, or pial surface area. The volume and pial surface area for mean whole entorhinal cortex were 1131 ± 55.72 mm3 and 429 ± 22.6 mm2 (mean ± SEM), respectively. The subfield volume percentages relative to the entire entorhinal cortex were olfactory: 18.73 ± 1.82%, rostral: 14.06 ± 0.63%, lateral rostral: 14.81 ± 1.22%, medial intermediate: 6.72 ± 0.72%, intermediate: 23.36 ± 1.85%, lateral caudal: 5.42 ± 0.33%, caudal: 10.99 ± 1.02%, and caudal limiting: 5.91 ± 0.40% (all mean ± SEM). Olfactory and intermediate subfield revealed the most extensive intra-individual variability (cross-subject variance) in volume and pial surface area. This study provides validated measures. It maps individuality and demonstrates human variability in the entorhinal cortex, providing a baseline for approaches in individualized medicine. Taken together, this study serves as a ground-truth validation study for future in vivo comparisons and treatments.
Indistinguishable Leakage-Resilient Circuit Compiler
Authors: Xu Shiyou , Wang Jian , Wang Liangliang 
Published: March 2022

Abstract
Transforming any circuit into a circuit with the same functionality but resilience against well-defined classes of leakage is an essential subject of cryptography. Whereas, according to the relationship between $VBB$ and simulated leakage-resilient circuit compiler, the compiling needs a specific mechanism to guarantee that its input is free of any leakage. Unfortunately, it makes it tough to implement this strategy in the context of actual leaks. In this work, we formally propose the indistinguishable bounded leakage-resilient circuit compiler $\bar{C}$ to solve the problem mentioned above. Specifically, it specifies that any polynomial-time adversary who derives the bound secret information from the circuit compiler can not distinguish an equivalent compiled circuit $\bar{C}^{\prime}$ with the same output. To achieve this goal, first, we utilize the leakage-resilient indistinguishable encoding as its input. Second, it takes advantage of the indistinguishability obfuscation $(IO)$ program to construct an obfuscated circuit that removes the random coins of the input encoding . Its total running time is the original circuit $C$ running time plus $poly(\kappa )$, and the size is independent of the original $C$. As this new compiler overcomes the restriction of the simulated-based leakage resilient circuit compiler,it will bring an independent interest result in leakage-resilient cryptography.
Fully compressible convection for planetary mantles
Authors: Ricard Yanick , Alboussière Thierry , Labrosse Stéphane , Curbelo Jezabel , Dubuffet Fabien 
Published: March 2022

SUMMARY
The numerical simulations of convection inside the mantle of the Earth or of terrestrial planets have been based on approximate equations of fluid dynamics. A common approximation is the neglect of the inertia term which is certainly reasonable as the Reynolds number of silicate mantles, or their inverse Prandtl number, are infinitesimally small. However various other simplifications are made which we discuss in this paper. The crudest approximation that can be done is the Boussinesq approximation (BA) where the various parameters are constant and the variations of density are only included in the buoyancy term and assumed to be proportional to temperature with a constant thermal expansivity. The variations of density with pressure and the related physical consequences (mostly the presence of an adiabatic temperature gradient and of dissipation) are usually accounted for by using an anelastic approximation (AA) initially developed for astrophysical and atmospheric situations. The BA and AA cases provide simplified but self-consistent systems of differential equations. Intermediate approximations are also common in the geophysical literature although they are invariably associated with theoretical inconsistencies (non-conservation of total energy, non-conservation of statistically steady state heat flow with depth, momentum and entropy equations implying inconsistent dissipations). We show that, in the infinite Prandtl number case, solving the fully compressible (FC) equations of convection with a realistic equation of state (EoS) is however not much more difficult or numerically challenging than solving the approximate cases. We compare various statistical properties of the Boussinesq, AA and FC simulations in 2-D simulations. We point to an inconsistency of the AA approximation when the two heat capacities are assumed constant. We suggest that at high Rayleigh number, the profile of dissipation in a convective mantle can be directly related to the surface heat flux. Our results are mostly discussed in the framework of mantle convection but the EoS we used is flexible enough to be applied for convection in icy planets or in the inner core.
Cabbage Looper Control on Cabbage in Louisiana, 1986
Authors: Story R. N. , Lye B. H. 
Published: March 2022

Abstract
The study was conducted at the Hill Farm, Louisiana Agricultural Experiment Station, Louisiana State University, Baton Rouge, LA. Seedling cabbage was transplanted onto 38-inch rows on 17 Feb with 15 inch spacing between plants. Plots were arranged in a randomized complete block design with 4 replications of single row plots containing 10 plants. Pesticides were applied with a hand-held CO2 pressurized sprayer delivering 40 gal/acre at 40 psi through a single spray nozzle containing a D-3 disc, No. 25 core, and 16 mesh strainer. Treatments were applied on 7, 21 Apr and 7 May. Evaluations of cabbage looper damage were made on 16 May by: (1) counting the number of feeding holes &gt; 2 cm2 in each of 6 wrapper leaves in each plant, and (2) visually inspecting the head for damage and rating it damaged or undamaged. The leaf rating was calculated as the mean number of holes per leaf, while the head damage was expressed as the percentage of heads damaged.
European Corn Borer Control in Sweet Corn, 1983
Authors: Frye R. D. , Carey D. R. 
Published: March 2022

Abstract
Granular and wettable powder formulations of Broot and Furadan were applied to sweet corn for European corn borer control at Fargo, ND. The granules were applied to the whorl of the plant and wettable formulations were applied to the foliage. Hand sprayers and metal salt shakers were used to dispense sprays and granules respectively. Each treatment was replicated 4 times. Each plot consisted of a single row of sweet corn 100 ft long. There were guard rows between the treated rows and on the edges of the field. Treatments were applied in late Jul. Larvae in 10 dissected corn stalks per replicate were counted in late Sep.
European Corn Borer Control in Sweet Corn, 1982
Authors: Frye R. D. , Carey D. R. 
Published: March 2022

Abstract
Insecticide treatments were applied to sweet corn in Fargo, ND. Each treatment was replicated 3 times in a completely randomized test. Plots consisted of 3 rows of sweet com approximately 27 m long. There were 2 guard rows on the edges of the field. Treatments were applied to the center row in each plot. Ten days prior to insecticide application, 25 plants in the center of each row were marked for treatment and infested with corn borer egg masses (in the black head stage) supplied by the Corn Insects Research Laboratory, Ankeny, Iowa. The treatments were applied in the whorl of the corn plants in late Jul. Analyses are based on data from examination of ears (harvest) and stalks (fall) for borer larvae. Analyses of variance and Duncans Multiple Range Tests were conducted with borer counts from ears, stalks and ears and stalks combined. Data were transformed by .