cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Lyapunov Exponent and Out-of-Time-Ordered Correlator's Growth Rate in a Chaotic System
Creators: name: Rozenbaum, Efim B.
name: Ganeshan, Sriram
name: Galitski, Victor
Publisher: name: arXiv
Year: 2016
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Chaotic Dynamics (nlin.CD)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: It was proposed recently that the out-of-time-ordered four-point correlator (OTOC) may serve as a useful characteristic of quantum-chaotic behavior, because in the semi-classical limit, $\hbar \to 0$, its rate of exponential growth resembles the classical Lyapunov exponent. Here, we calculate the four-point correlator, $C(t)$, for the classical and quantum kicked rotor -- a textbook driven chaotic system -- and compare its growth rate at initial times with the standard definition of the classical Lyapunov exponent. Using both quantum and classical arguments, we show that the OTOC's growth rate and the Lyapunov exponent are in general distinct quantities, corresponding to the logarithm of phase-space averaged divergence rate of classical trajectories and to the phase-space average of the logarithm, respectively. The difference appears to be more pronounced in the regime of low kicking strength $K$, where no classical chaos exists globally. In this case, the Lyapunov exponent quickly decreases as $K \to 0$, while the OTOC's growth rate may decrease much slower showing higher sensitivity to small chaotic islands in the phase space. We also show that the quantum correlator as a function of time exhibits a clear singularity at the Ehrenfest time $t_E$: transitioning from a time-independent value of $t^{-1} \ln{C(t)}$ at $t < t_E$ to its monotonous decrease with time at $t>t_E$. We note that the underlying physics here is the same as in the theory of weak (dynamical) localization [Aleiner and Larkin, Phys. Rev. B 54, 14423 (1996); Tian, Kamenev, and Larkin, Phys. Rev. Lett. 93, 124101 (2004)] and is due to a delay in the onset of quantum interference effects, which occur sharply at a time of the order of the Ehrenfest time.
description: 5+2 pages, 5+2 figures; accepted for publication in Phys. Rev. Lett., Vol. 118 (2017)
Simplified Reflection Fabry-Perot Method for Determination of Electro-Optic Coefficients of Poled Polymer Thin Films
Creators: name: Park, Dong Hun
name: Luo, Jingdong
name: Jen, Alex K.-Y.
name: Herman, Warren N.
Publisher: name: MDPI
Year: 2011
Subjects: electro-optic polymer
characterization
Fabry-Perot
nonliner optics

description: We report a simplified reflection mode Fabry-Perot interferometry method for determination of electro-optic (EO) coefficients of poled polymer thin films. Rather than fitting the detailed shape of the Fabry-Perot resonance curve, our simplification involves a technique to experimentally determine the voltage-induced shift in the angular position of the resonance minimum. Rigorous analysis based on optical properties of individual layers of the multilayer structure is not necessary in the data analysis. Although angle scans are involved, the experimental setup does not require a θ-2θ rotation stage and the simplified analysis is an advantage for polymer synthetic efforts requiring quick and reliable screening of new materials. Numerical and experimental results show that our proposed method can determine EO coefficients to within an error of ∼8% if poled values for the refractive indices are used.
Orientational Information from Unoriented Metalloproteins by Optically Detected Electron Paramagnetic Resonance
Creators: name: Suter, Dieter
name: Enkisch, Birgit
name: Gutschank, Jörg
Publisher: name: Royal Society of Chemistry
Year: 2004
Subjects: subject: 530

description: The electronic structure of metalloproteins can be analysed with optically detected electron paramagnetic resonance (ODEPR). This relatively young technique combines electron paramagnetic resonance (EPR) and magnetic circular dichroism (MCD) with a coherent Raman scattering experiment. It can complement conventional EPR and MCD in the deconvolution and assignment of optical transitions. Information about the relative orientation of optical and magnetic transition dipoles in metalloproteins can be extracted with considerably higher resolution than by alternative techniques such as MCD. We discuss how these features provide information about the environment of metal ions in metalloproteins.
Visualizing heterogeneous dipole fields by terahertz light coupling in individual nano-junctions used in transmon qubits
Creators: name: Kim, R. H. J.
name: Park, J. M.
name: Haeuser, S.
name: Huang, C.
name: Cheng, D.
name: Koschny, T.
name: Oh, J.
name: Kopas, C.
name: Cansizoglu, H.
name: Yadavalli, K.
name: Mutus, J.
name: Zhou, L.
name: Luo, L.
name: Kramer, M.
name: Wang, J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The fundamental challenge underlying superconducting quantum computing is to characterize heterogeneity and disorder in the underlying quantum circuits. These nonuniform distributions often lead to local electric field concentration, charge scattering, dissipation and ultimately decoherence. It is particularly challenging to probe deep sub-wavelength electric field distribution under electromagnetic wave coupling at individual nano-junctions and correlate them with structural imperfections from interface and boundary, ubiquitous in Josephson junctions (JJ) used in transmon qubits. A major obstacle lies in the fact that conventional microscopy tools are incapable of measuring simultaneous at nanometer and terahertz, "nano-THz" scales, which often associate with frequency-dependent charge scattering in nano-junctions. Here we directly visualize interface nano-dipole near-field distribution of individual Al/AlO$_{x}$/Al junctions used in transmon qubits. Our THz nanoscope images show a remarkable asymmetry across the junction in electromagnetic wave-junction coupling response that manifests as "hot" vs "cold" cusp spatial electrical field structures and correlates with defected boundaries from the multi-angle deposition processes in JJ fabrication inside qubit devices. The asymmetric nano-dipole electric field contrast also correlates with distinguishing, "overshoot" frequency dependence that characterizes the charge scattering and dissipation at nanoscale, hidden in responses from topographic, structural imaging and spatially-averaged techniques. The real space mapping of junction dipole fields and THz charge scattering can be extended to guide qubit nano-fabrication for ultimately optimizing qubit coherence times.
Eccentricity and Spin-Orbit Misalignment in Short-Period Stellar Binaries as a Signpost of Hidden Tertiary Companions
Creators: name: Anderson, Kassandra R.
name: Lai, Dong
name: Storch, Natalia I.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Eclipsing binaries are observed to have a range of eccentricities and spin-orbit misalignments (stellar obliquities). Whether such properties are primordial, or arise from post-formation dynamical interactions remains uncertain. This paper considers the scenario in which the binary is the inner component of a hierarchical triple stellar system, and derives the requirements that the tertiary companion must satisfy in order to raise the eccentricity and obliquity of the inner binary. Through numerical integrations of the secular octupole-order equations of motion of stellar triples, coupled with the spin precession of the oblate primary star due to the torque from the secondary, we obtain a simple, robust condition for producing spin-orbit misalignment in the inner binary: In order to excite appreciable obliquity, the precession rate of the stellar spin axis must be smaller than the orbital precession rate due to the tertiary companion. This yields quantitative requirements on the mass and orbit of the tertiary. We also present new analytic expressions for the maximum eccentricity and range of inclinations allowing eccentricity excitation (Lidov-Kozai window), for stellar triples with arbitrary masses and including the non-Keplerian potentials introduced by general relativity, stellar tides and rotational bulges. The results of this paper can be used to place constraints on unobserved tertiary companions in binaries that exhibit high eccentricity and/or spin-orbit misalignment, and will be helpful in guiding efforts to detect external companions around stellar binaries. As an application, we consider the eclipsing binary DI Herculis, and identify the requirements that a tertiary companion must satisfy to produce the observed spin-orbit misalignment.
description: 19 pages, 15 figures, accepted for publication in MNRAS
The Effects Of Brand Equity Dimensions On Consumer Purchase Intention In A Case Of Kaldi's Coffee
Creators: name: Tamiru, Tesfaye
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2019

description: The general objective of this paper was to investigate the effects of brand equity dimensions on consumersꞌ purchase intention in the KALDI'S COFFEE. The study had done in Addis Ababa in selected KALDI'S COFFEE houses. Quantitative approach had applied and both descriptive and explanatory research design used for this study. 424 questionnaires had been distributed with a response rate of 92 percent. Data collected through self-administered questionnaire and ana-lyzed using SPSS version 21. Descriptive statistics used in detailing the profiles of the respon-dents and the factors that influence their purchase intentions of KALDI'S COFFEE. Inferential statistics also used to highlight the most important brand equity factors and to ascertain the cor-relations between them. The result indicated that a notable positive relationship between brand equity dimensions and consumer purchase intention, which is associated with more willingness to continue buying the same coffee brands in the future. It discovered that brand name aware-ness, perceived quality, brand association and brand loyalty had a positive and statistically sig-nificant effect on consumer purchase intention in KALDI'S COFFEE at p-value<5 percent. Brand loyalty and brand awareness has positive and strong influence on CPI while perceived quality and brand association have weak effect on CPI. Therefore, it is imperative that for the coffee beverage producing companies to implement marketing programs by acknowledging that brand equity dimensions can play an important role in the empowering the usage and repeat use of coffee drinks and services.
The 21st century conversation piece : how might moving images and synchronized speech in place of painting re-constitute the conversation pieces of the 18th century today?
Creators: name: Boland, Kieran.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Mosquitoes Associated with Ditch-Plugged and Control Tidal Salt Marshes on the Delmarva Peninsula
Creators: name: Leisnham, Paul T.
name: Sandoval-Mohapatra, Sarah
Publisher: name: MDPI
Year: 2011
Subjects: ditch plugging
Delmarva Peninsula
tidal salt marsh
restoration
salinity

description: A study was conducted during the summer of 2009 (from July to September) to characterize mosquito communities among different habitats in five historically ditched tidal salt marshes and three adjacent wooded areas in the E.A. Vaughn Wetland Management Area on the Maryland Delmarva Peninsula, USA. Study marshes are characteristic of Atlantic coastal salt marshes that had undergone grid ditching from the 1930s to 1950s. In the autumn of 2008 (October and November) ditches were plugged near their outlets in two (‘experimental’) marshes with the aim to restore their natural tidal hydrology. The three other marshes were not plugged. Marshes were sampled from July to September in 2009 by using standard dip count method. A total of 2,457 mosquito larvae representing six species were collected on 15.4% (86/557) of all sample occasions and 399 adults representing four mosquito species were collected from landing counts. Aedes sollicitans, Anopheles bradleyi and Culex salinarius were the most common species collected in larval habitats, and Ae. sollicitans was the most common adult collected. Wooded habitats had more total mosquitoes, were also more frequently occupied by mosquitoes and had higher densities of mosquitoes than marsh habitats. Almost all larvae collected from marshes were from one experimental and one control site. The majority of larvae at the control site were Ae. sollicitans in marsh pannes while Cx. salinarius, An. bradleyi, Ae. cantator, and Ae. sollicitans were collected in high numbers from ditches at the experimental site. We found a difference in the proportion of marsh pannes occupied by Ae. sollicitans but not total mosquitoes sampled 4–5 days after spring tide events than on other occasions. Salinity measures of 42 larval habitats showed lower median salinity in mosquito-occupied habitats (11.5 ppt) than unoccupied habitats (20.1 ppt), and in habitats in wooded areas followed by ditches and pannes in marsh areas. The results of this study suggest that wooded areas adjacent to salt marshes may be a substantial source of biting adult mosquitoes usually associated with salt marsh habitats and that ditch plugging may alter the productivity of mosquitoes on some marshes. We recommend future studies consider mosquito productivity from habitats surrounding salt marshes, and if assessments of marsh alterations are a goal, compare multiple experimental and control areas before and after treatments to determine if alterations have a consistent impact on regional mosquito production.
Twisted gauge theories in 3D Walker-Wang models
Creators: name: Wang, Zitao
name: Chen, Xie
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Three dimensional gauge theories with a discrete gauge group can emerge from spin models as a gapped topological phase with fractional point excitations (gauge charge) and loop excitations (gauge flux). It is known that 3D gauge theories can be "twisted", in the sense that the gauge flux loops can have nontrivial braiding statistics among themselves and such twisted gauge theories are realized in models discovered by Dijkgraaf and Witten. A different framework to systematically construct three dimensional topological phases was proposed by Walker and Wang and a series of examples have been studied. Can the Walker Wang construction be used to realize the topological order in twisted gauge theories? This is not immediately clear because the Walker-Wang construction is based on a loop condensation picture while the Dijkgraaf-Witten theory is based on a membrane condensation picture. In this paper, we show that the answer to this question is Yes, by presenting an explicit construction of the Walker Wang models which realize both the twisted and untwisted gauge theories with gauge group $\mathbb{Z}_2 \times \mathbb{Z}_2$. We identify the topological order of the models by performing modular transformations on the ground state wave functions and show that the modular matrices exactly match those for the $\mathbb{Z}_2 \times \mathbb{Z}_2$ gauge theories. By relating the Walker-Wang construction to the Dijkgraaf-Witten construction, our result opens up a way to study twisted gauge theories with fermonic charges, and correspondingly strongly interacting fermionic symmetry protected topological phases and their surface states, through exactly solvable models.
description: 23 pages
Factors affecting customers Satisfaction on Tap Water Service Delivery in Addis Ababa Water and Sewerage Authority the Case of Guard Shola Branch
Creators: name: Kiros, Mihret
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2019

description: This study presents the factors affecting customers' satisfaction on tap water service delivery in Addis Ababa Water and Sewerage Authority: the case of Guard Shola branch. The general objective of the study was to evaluate factors affecting customers' satisfaction on tap water service delivery in Addis Ababa Water and Sewerage Authority: the case study of Guard Shola branch and suggest best practice that enhances the Authority marketing management system. Quantitative data collection method was used to collect data from customers of Guard Shola branch; then data was gathered using a questionnaire and an interview mainly regarding service delivery and customer satisfaction. The sample size of the study is 120 (100 questionnaires and 20 interview) customers who get a service from Guard Shola branch. The variable used in this research were continuous water supply service, timely response for customers request, customer handling, materials supply, up to date technology and skilled manpower (independent variables) and customer satisfaction (dependent variable). The sampling technique used was simple random sampling. Self-administered close ended five point likert scale questionnaire was used to collect data from customers. Statistical package for social science (SPSS) version 20 was used for the data analysis. The interview method was analyzed using Excel worksheet to summarize the data. Cronbach alpha coefficient was calculated to check the reliability and validity of the questionnaire. The Pearson correlation analysis indicated a positive relationship between service delivery dimensions (continuous water supply service, timely response for customers request, customer handling, materials supply, up to date technology, skilled manpower) and customer satisfaction and also there is a positive relationship between service delivery dimensions themselves. Multiple regression analysis result showed that the R2 for the model summery of the six service delivery dimensions (continuous water supply service, timely response for customers request, customer handling, materials supply, up to date technology, skilled manpower) was .975 which implies that 97% of the variance in customer satisfaction is explained by the service delivery dimensions. Therefore, continuous efforts should have to make by Addis Ababa Water and Sewerage and by the government in providing potable water supply to the rapidly growing of the city population.
Electromagnetic-Thermal Analyses of Distributed Antennas Embedded into a Load Bearing Wall
Creators: name: Vähä-Savo, Lauri
name: Haneda, Katsuyuki
name: Icheln, Clemens
name: Lü, Xiaoshu
Publisher: name: arXiv
Year: 2022
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The importance of indoor mobile connectivity has increased during the last years, especially during the Covid-19 pandemic. In contrast, new energy-efficient buildings contain structures like low-emissive windows and multi-layered thermal insulations which all block radio signals effectively. To solve this problem with indoor connectivity, we study passive antenna systems embedded in walls of low-energy buildings. We provide analytical models of a load bearing wall along with numerical and empirical evaluations of wideband back-to-back antenna spiral antenna system in terms of electromagnetic- and thermal insulation. The antenna systems are optimized to operate well when embedded into load bearing walls. Unit cell models of the antenna embedded load bearing wall, which are called signal-transmissive walls in this paper, are developed to analyze their electromagnetic and thermal insulation properties. We show that our signal-transmissive wall improves the electromagnetic transmission compared to a raw load bearing wall over a wide bandwidth of 2.6-8 GHz, covering most of the cellular new radio frequency range 1, without compromising the thermal insulation capability of the wall demanded by the building regulation. Optimized antenna deployment is shown with 22 dB improvement in electromagnetic transmission through the load bearing wall.
description: 9 pages, 13 figures, submitted to IEEE Transactions on Antennas and Propagation
Dynamic thermal expansivity near the glass transition
Creators: name: Böhmer, Roland
name: Bauer, C.
name: Richert, R.
name: Christensen, T.
Publisher: name: Elsevier Science
Year: 2000
Subjects: subject: 530

description: Dielectric techniques were used to investigate the thermal expansivity of polystyrene films. Capacitive scanning dilatometry (CSD) employs temperature ramping in order to monitor the non-linear structural relaxation in the glass transformation range and to quantify liquid fragility. In the linear response regime, the complex thermal expansivity is obtained as a function of the temperature cycling frequency and is observed to reflect the structural relaxation.
Home + contents : a collective portrait
Creators: name: Inserra, Concettina.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Space-based gravitational wave signal detection and extraction with deep neural network
Creators: name: Zhao, Tianyu
name: Lyu, Ruoxi
name: Wang, He
name: Cao, Zhoujian
name: Ren, Zhixiang
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Space-based gravitational wave (GW) detectors will be able to observe signals from sources that are otherwise nearly impossible from current ground-based detection. Consequently, the well established signal detection method, matched filtering, will require a complex template bank, leading to a computational cost that is too expensive in practice. Here, we develop a high-accuracy GW signal detection and extraction method for all space-based GW sources. As a proof of concept, we show that a science-driven and uniform multi-stage self-attention-based deep neural network can identify synthetic signals that are submerged in Gaussian noise. Our method exhibits a detection rate exceeding 99% in identifying signals from various sources, with the signal-to-noise ratio at 50, at a false alarm rate of 1%. while obtaining at least 95% similarity compared with target signals. We further demonstrate the interpretability and strong generalization behavior for several extended scenarios.
description: 19 pages, 7 figures
NMR studies of the heavy fermion alloy Ce(Cu1-xNix)2Ge2
Creators: name: Böhmer, Roland
name: Büttgen, N.
name: Krimmel, A.
name: Loidl, A.
Publisher: name: The American Physical Society
Year: 1996
Subjects: subject: 530

description: A detailed 63Cu NMR investigation is presented for the heavy-fermion system Ce(Cu1-xNix)2Ge2, focusing especially on the alloying induced transition from magnetic order to pure Kondo-like behavior. The broadening of the resonance line and the temperature dependence of the spin-lattice relaxation rate 1/T1 are studied in full detail. We provide experimental evidence for the appearance of heavy-fermion band magnetism for concentrations x=0.6 and x=0.7. For x=0.8 the spin-lattice relaxation rate 1/T1 follows a logarithmic temperature dependence which we interpret as a fingerprint of a non-Fermi-liquid behavior. Finally, 1/T1 is compared to the dynamic structure factor S(Q,ω) as determined in inelastic-neutron-scattering experiments.
The Effect of Determinants of Customer Perception on the Satisfaction of Corporate life insurance customers: the case of Ethiopian Insurance Corporation
Creators: name: Girma, Yordanos
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2018

description: The study mainly intends to explore the effect of determinants of customer perception on the satisfaction of corporate life insurance customers. To evaluate the effect of determinants of customer perception on the satisfaction of corporate life insurance customers Ethiopian Insurance Corporation (EIC) was considered as a case study. This research employed both descriptive and explanatory design. Quantitative and qualitative study was conducted to collect information from primary and secondary sources. For the purpose of this research, structured and standardized questionnaire was conducted to the life insurance customers of EIC. Interview questions were conducted to collect information from EIC Marketing Manager. The collected information was analyzed through statistical software. The main findings of the study are attitude positively and significantly affects customer satisfaction, perceived risk positively and significantly affects customer satisfaction, socio-economic factor positively and significantly affects customer satisfaction, convenience has a negative and insignificant effect on customer satisfaction, expectation has negative and insignificant effect on customer satisfaction. As a result, the researcher recommended that the company should emphasize on attitude, perceived risk and socio-economic factors. Future researches should also focus on having more number of corporate life insurance customers of EIC as this research in limited only on three corporate customers
Linear stability analysis of particle-laden planar jet in the dilute suspension limit
Creators: name: Warrier, Srikumar
name: Tomar, Gaurav
Publisher: name: arXiv
Year: 2022
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Particle laden flows are commonly seen in many industrial applications such as fluidized beds in process industry, air laden with abrasive particles in abrasive machining and particle laden plumes in chemical industries. In the present work, we perform local analysis of a particle laden planar jet in the dilute suspension regime. Unladen parallel planar jets have been extensive studied using normal modes and is shown to have two unstable modes namely sinuous and varicose modes. Sinuous modes are found to be more unstable compared to the varicose modes. In the present study, we investigate the effect of particles on the stability of planar jets. Addition of particles at low Stokes numbers (St) (fine particles) results in higher growth rates than that of the unladen jet. In the intermediate Stokes number regime, addition of particles have a stabilizing effect on both the sinuous and the varicose modes. Interestingly for St~10, the unstable varicose mode is completely damped. Increasing the Stokes number by increasing the particle size, both sinuous and varicose modes show increasing growth rates, while increasing density ratio has a stabilizing effect on the flow. For non uniform particle loading, additional modes apart from the sinuous and varicose modes are observed. These modes suggests occurrence of compositional instability with an increased particle accumulation in the shear layer that is an order of magnitude higher compared to that of the sinuous and varicose modes.
Organisation und Verwaltung der Verweise im WWW
Creators: name: Tochtermann, Klaus
Publisher: name: Technische Universität Dortmund
Year: 1996
Subjects: subject: Verweise
subject: WWW
subject: 004

description: In diesem Beitrag wird vorgestellt, wie derzeit Verweise in HTML-Dokumenten definiert werden und welche Probleme bzgl. der Konsistenzhaltung von Informationsstrukturen dadurch entstehen. Es werden drei unterschiedliche Ansätze zur Gewährleistung von konsistenten Verweisen skizziert: Zunächst werden verschiedene Werkzeuge vorgestellt und bewertet, die Inkonsistenzen bei Verweisen zwar entdecken, aber nicht behebenkönnen. Anschließend werden neue Ansätze zur Adressierungvon Dokumenten im World-Wide-Web skizziert. Von diesen Ansätzen verspricht man sich, Inkonsistenzen bei Verweisen möglichst weitgehend zu vermeiden. Zum Abschluß wird Hyper-G im Hinblick auf die Verwaltung von Verweisen diskutiert. Mit Hyper-G liegt ein lauffähiges und damit einsetzbares Internet-Informationssystem vor, das viele der häufig anzutreffenden Ursachen für inkonsistente Verweise behoben hat.
Carbohydrase Systems of Saccharophagus degradans Degrading Marine Complex Polysaccharides
Creators: name: Hutcheson, Steven W.
name: Zhang, Haitao
name: Suvorov, Maxim
Publisher: name: MDPI
Year: 2011
Subjects: agarase
alginase
amylase
chitinase
glucanase
mannanase
pectinase
xylanase

description: Saccharophagus degradans 2–40 is a γ-subgroup proteobacterium capable of using many of the complex polysaccharides found in the marine environment for growth. To utilize these complex polysaccharides, this bacterium produces a plethora of carbohydrases dedicated to the processing of a carbohydrate class. Aiding in the identification of the contributing genes and enzymes is the known genome sequence for this bacterium. This review catalogs the genes and enzymes of the S. degradans genome that are likely to function in the systems for the utilization of agar, alginate, α- and β-glucans, chitin, mannans, pectins, and xylans and discusses the cell biology and genetics of each system as it functions to transfer carbon back to the bacterium.
Thermal Area Law for Lattice Bosons
Creators: name: Lemm, Marius
name: Siebert, Oliver
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: A physical system is said to satisfy a thermal area law if the mutual information between two adjacent regions in the Gibbs state is controlled by the area of their boundary. Thermal area laws have been derived for systems with bounded local interactions such as quantum spin systems. However, for lattice bosons these arguments break down because the interactions are unbounded. We rigorously derive a thermal area law for a class of bosonic Hamiltonians in any dimension which includes the paradigmatic Bose-Hubbard model. The main idea to go beyond bounded interactions is to introduce a quasi-free reference state with artificially decreased chemical potential by means of a double Peierls-Bogoliubov estimate.
description: 14 pages; 1 figure; v1->v2: result extended, new title; v2->v3: result extended and minor corrections, published version
The Effects Of Service Quality On Customer Satisfaction: The Case Of Ethiopian Airlines Cargo Import
Creators: name: Tsegaye, Million
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: The purpose of this study was to measure the impact of service quality on customer satisfaction in relation to Ethiopian airlines cargo import section. The study has used the SERVQUAL model of service quality with the application of the five service quality dimensions. This five dimensions of service quality which were developed by Parasuraman namely tangibles, reliability, responsiveness, assurance, and empathy where used to measure the level of customers satisfaction in Ethiopian airlines cargo import section. The study use quantitative approach and done different correlation and regression analysis tools. This research is both descriptive and explanatory type research. Both primary and secondary methods of data collection are applied and questioner is used as a source of secondary data. From the total population of 420 a sample of 364 respondents was selected using a probabilistic sampling technique which is proportional stratified sampling. Both descriptive and inferential statistics have been used to find mean score and to test hypothesis and to investigate research problem, objectives and questions. According to the findings of the study all the five dimensions of service quality have shown a significant positive effect on customer satisfaction. The findings of the regression analysis indicate that empathy and tangibility have the largest impact on customer satisfaction. Person correlation analysis was conducted to examine the relationship between service quality dimensions and customer satisfaction and the results shows that all the five dimensions of service quality have a strong positive relationship with customer satisfaction. Though all the five dimensions are significant, empathy and tangibility are the first two dimensions of service quality that have a strong and positive significant impact on customer satisfaction. Accordingly Ethiopian airlines cargo section needs to give more emphasis and due attention to empathy and tangibility dimensions of service quality to improve the level of customer satisfaction
Lorentz Harmonics, Squeeze Harmonics and Their Physical Applications
Creators: name: Kim, Young S.
name: Noz, Marilyn E.
Publisher: name: MDPI
Year: 2011
Subjects: Lorentz harmonics
relativistic quantum mechanics
squeeze transformation
Dirac's efforts
hidden variables
Lorentz-covariant bound states
squeezed states of light

description: Among the symmetries in physics, the rotation symmetry is most familiar to us. It is known that the spherical harmonics serve useful purposes when the world is rotated. Squeeze transformations are also becoming more prominent in physics, particularly in optical sciences and in high-energy physics. As can be seen from Dirac’s light-cone coordinate system, Lorentz boosts are squeeze transformations. Thus the squeeze transformation is one of the fundamental transformations in Einstein’s Lorentz-covariant world. It is possible to define a complete set of orthonormal functions defined for one Lorentz frame. It is shown that the same set can be used for other Lorentz frames. Transformation properties are discussed. Physical applications are discussed in both optics and high-energy physics. It is shown that the Lorentz harmonics provide the mathematical basis for squeezed states of light. It is shown also that the same set of harmonics can be used for understanding Lorentz-boosted hadrons in high-energy physics. It is thus possible to transmit physics from one branch of physics to the other branch using the mathematical basis common to them.
Dappled tiling
Creators: name: Kaji, Shizuo
name: Derouet-Jourdan, Alexandre
name: Ochiai, Hiroyuki
Publisher: name: arXiv
Year: 2016
Subjects: subject: Discrete Mathematics (cs.DM)
subject: Graphics (cs.GR)
subject: FOS: Computer and information sciences
subject: G.2.3; I.3.3
subject: 52C20, 68U05

description: We consider a certain tiling problem of a planar region in which there are no long horizontal or vertical strips consisting of copies of the same tile. Intuitively speaking, we would like to create a dappled pattern with two or more kinds of tiles. We give an efficient algorithm to turn any tiling into one satisfying the condition, and discuss its applications in texturing.
description: minor errors fixed, more pictures added
Additional file 1 of Feasibility of dried blood spot for hepatitis C diagnosis in vulnerable subjects and people living in remote areas from Brazil
Creators: name: Villar, Livia Melo
name: de Lima, Marjorie Parra
name: Cruz, Helena Medina
name: de Paula, Vanessa Salete
name: Scalioni, Leticia de Paula
name: Flores, Geane Lopes
name: Carvalho-Costa, Filipe Anibal
name: Parente, Cynara Carvalho
name: Coelho, Maria Rosangela Cunha Duarte
name: de Albuquerque, Ana Cecilia Cavalcanti
name: Milagres, Flavio Augusto Pádua
name: Cruz, Marcelo Santos
name: Andrade, Tarcisio Matos
name: Motta-Castro, Ana Rita Coimbra
name: da Mota, Jurema Corrêa
name: Lewis-Ximenez, Lia Laura
name: Bastos, Francisco Inácio
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 60506 Virology

description: Additional file 1. Table S1. Risk behaviors for HCV infection according to each group in the study FIOCRUZ Viral Hepatitis Laboratory, Biological Samples Panel, 2020.
Generalized Analysis and Unified Design of EM Skins
Creators: name: Oliveri, Giacomo
name: Salucci, Marco
name: Massa, Andrea
Publisher: name: arXiv
Year: 2022
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: A generalized formulation is derived for the analysis of the field manipulation properties of electromagnetic skins (EMSs) in the working regimes of interest for wireless communications. Based on such a theoretical framework, a unified method for the design of anomalous-reflecting and focusing EMSs is presented. Representative results, from a wide set of numerical experiments, are reported and validated with full-wave HFSS simulations to give the interested readers some insights on the accuracy, the effectiveness, and the computational efficiency of the proposed analysis/synthesis tools.
Hidden or private? Contemporary mourning : a studio investigation
Creators: name: Allan, Jillian.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Ejector and propeller spin-down: How might a superluminous supernova millisecond magnetar become the 6.67 hr pulsar in RCW103
Creators: name: Ho, Wynn C. G.
name: Andersson, Nils
Publisher: name: arXiv
Year: 2016
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The X-ray source 1E 161348-5055 in the supernova remnant RCW 103 recently exhibited X-ray activity typical of magnetars, i.e. neutron stars with magnetic fields > 10^14-10^15 G. However, 1E 161348-5055 has an observed period of 6.67 hr, in contrast to magnetars which have a spin period of seconds. Here we describe a simple model which can explain the spin evolution of 1E 161348-5055, as well as other magnetars, from an initial period of milliseconds that would be required for dynamo generation of magnetar-strength magnetic fields. We propose that the key difference between 1E 161348-5055 and other magnetars is the persistence of a remnant disk of small total mass. This disk caused 1E 161348-5055 to undergo ejector and propeller phases in its life, during which strong torques caused a rapid increase of its spin period. By matching its observed spin period and ~1-3 kyr age, we find that 1E 161348-5055 has the (slightly) highest magnetic field of all known magnetars, with B~5x10^15 G, and that its disk had a mass of ~10^24 g, comparable to that of the asteroid Ceres.
description: 5 pages, 3 figures; accepted for publication in MNRAS Letters; v2, minor edits and references added
Density and metallicity of the Milky-Way circumgalactic gas
Creators: name: Troitsky, Sergey
Publisher: name: arXiv
Year: 2016
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The halo of the Milky-Way circumgalactic gas extends up to the virial radius of the Galaxy, ~250 kpc. The halo properties may be deduced from X-ray spectroscopic observations and from studies of the ram-pressure stripping of satellite dwarf galaxies. The former method is more precise but its results depend crucially on the assumed metallicity of the circumgalactic gas; the latter one does not need these assumptions. Here, the information from both approaches is combined to constrain observationally the gas metallicity and density as functions of the galactocentric distance. It is demonstrated that the two kinds of data could be reconciled if the metallicity decreased to Z~0.1Z_Sun in the outer parts of the extended halo. The corresponding gas density profile is rather flat, falling as r^{-(0.45...0.75)} at large galactocentric distances r.
description: 5 pages, 6 figures, mn2e.cls . V2: discussion extended, results unchanged. Version accepted by MNRAS Letters
Theoretical study of small signal modulation behavior of Fabry-Perot Germanium-on-Silicon lasers
Creators: name: Zhu, Ying
name: Wang, Liming
name: Li, Zhiqiang
name: Wen, Ruitao
name: Xia, Guangrui
Publisher: name: arXiv
Year: 2022
Subjects: subject: Optics (physics.optics)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: This work investigated the small signal performance of Fabry-Perot Ge-on-Si lasers by modeling and simulations. The 3dB bandwidth dependence on the structure parameters such as poly-Si cladding thickness, Ge cavity width and thickness, and minority carrier lifetime were studied. A 3dB bandwidth of 33.94 GHz at a biasing current of 270.5 mA is predicted after Ge laser structure optimization with a defect limited carrier lifetime of 1 ns.
Performance Appraisal System and its Effectiveness in Bank of Abyssinia
Creators: name: Kebede, Samuel
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2014

description: The purpose of this study was to assess the effectiveness of the performance appraisal system implemented in Bank of Abyssinia. The study used descriptive method of statistics with cross sectional survey and used qualitative research approach. The research objectives were to see the compliance in implementing the system, assess employees' awareness about the importance and criteria being used, the effectiveness level of performance appraisal system, and the factors affecting successful implementation. Primary and secondary data were used. The analysis was done by the help of SPSS and presented using descriptive statistics, frequency tables, percentages and pie charts. The scope of the study was limited to five branches and head office within Addis Ababa. The findings of the research indicated that there is high compliance with regard to implementing the system in the bank. The measures used to judge the effectiveness indicated that higher ratings are given to behavioral factors such as customer relation, responsibility, etc. than professional competence and quality of work, which indicated the existence of weakness in implementation of the system to differentiate weak and strong performance and the system is not clearly linked to profitability. The effectiveness of the system to improve performance of the employees and the organization is found to be low. The use of appraisal results to make rewards produced leniency from the side of appraisers. On the basis of the findings, the researcher recommends that the administrative and developmental part of the appraisal format be separated clearly, refocus criteria to include task undertaken by employees to link the system with profit and goals of the bank, introduce multiple rating system, design scheme which reduce the use of appraisal result for salary adjustments, develop means to link profitability and performance appraisal, provide rater trainings, develop follow-up mechanisms by human resources departments and develop documentation systems to handle the process and not only the final results. The experience gained in the assessment could be used to make similar surveys in other human resources activities add value not only to itself but could be used in other companies of the same nature.Key words: employee performance appraisal, effectiveness, direct reportees, ratee, appraiser, rater, compliance and training.
Electronic transport in disordered MoS$_2$ nanoribbons
Creators: name: Ridolfi, Emilia
name: Lima, Leandro R. F.
name: Mucciolo, Eduardo R.
name: Lewenkopf, Caio H.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the electronic structure and transport properties of zigzag and armchair monolayer molybdenum disulfide nanoribbons using an 11-band tight-binding model that accurately reproduces the material's bulk band structure near the band gap. We study the electronic properties of pristine zigzag and armchair nanoribbons, paying particular attention to the edges states that appear within the MoS$_2$ bulk gap. By analyzing both their orbital composition and their local density of states, we find that in zigzag-terminated nanoribbons these states can be localized at a single edge for certain energies independent of the nanoribbon width. We also study the effects of disorder in these systems using the recursive Green's function technique. We show that for the zigzag nanoribbons, the conductance due to the edge states is strongly suppressed by short-range disorder such as vacancies. In contrast, the local density of states still shows edge localization. We also show that long-range disorder has a small effect on the transport properties of nanoribbons within the bulk gap energy window.
description: 10 pages, 9 figures
Additional file 2 of Feasibility of dried blood spot for hepatitis C diagnosis in vulnerable subjects and people living in remote areas from Brazil
Creators: name: Villar, Livia Melo
name: de Lima, Marjorie Parra
name: Cruz, Helena Medina
name: de Paula, Vanessa Salete
name: Scalioni, Leticia de Paula
name: Flores, Geane Lopes
name: Carvalho-Costa, Filipe Anibal
name: Parente, Cynara Carvalho
name: Coelho, Maria Rosangela Cunha Duarte
name: de Albuquerque, Ana Cecilia Cavalcanti
name: Milagres, Flavio Augusto Pádua
name: Cruz, Marcelo Santos
name: Andrade, Tarcisio Matos
name: Motta-Castro, Ana Rita Coimbra
name: da Mota, Jurema Corrêa
name: Lewis-Ximenez, Lia Laura
name: Bastos, Francisco Inácio
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 60506 Virology

description: Additional file 2. Table S2. Socio-demographic according to group the indigenous people from Amazon State and individuals from Northeast region. FIOCRUZ Biological Samples Panel, 2020.
The Protocols for Native American Archival Materials and Description
Creators: name: Buchanan, Rose
name: Marsh, Diana
Publisher: name: Digital Repository at the University of Maryland
Year: 2021
Subjects: Protocols
Native American
archives
reparative description
archival description
inclusive description
toolkits
Native American Archive Section (NAAS)
repatriation
return
Indigenous sovereignty
data sovereignty

description: The Protocols for Native American Archival Materials (PNAAM) establish best practices for the culturally responsive care and use of Native American archival materials, particularly materials that are housed in non-Tribal institutions. Following SAA’s endorsement of PNAAM as an external standard in 2018, the Native American Archives Section (NAAS) launched a case studies and webinar series about implementing them. These resources include guidelines for providing culturally appropriate and accurate descriptive information for Native American and Indigenous collections.