cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Demonstration of an all-optical quantum controlled-NOT gate
Creators: name: O'Brien, J L
name: Pryde, G J
name: White, A G
name: Ralph, T C
name: Branning, D
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The promise of tremendous computational power, coupled with the development of robust error-correcting schemes, has fuelled extensive efforts to build a quantum computer. The requirements for realizing such a device are confounding: scalable quantum bits (two-level quantum systems, or qubits) that can be well isolated from the environment, but also initialized, measured and made to undergo controllable interactions to implement a universal set of quantum logic gates. The usual set consists of single qubit rotations and a controlled-NOT (CNOT) gate, which flips the state of a target qubit conditional on the control qubit being in the state 1. Here we report an unambiguous experimental demonstration and comprehensive characterization of quantum CNOT operation in an optical system. We produce all four entangled Bell states as a function of only the input qubits' logical values, for a single operating condition of the gate. The gate is probabilistic (the qubits are destroyed upon failure), but with the addition of linear optical quantum non-demolition measurements, it is equivalent to the CNOT gate required for scalable all-optical quantum computation.
description: 5 pages, 4 Figs. Ref. 31 added to correct error in referencing in the published version
THE OUTPUT-COST RELATIONSHIP FOR RETAIL FERTILIZER PLANTS: AN EMPIRICAL APPLICATION OF MULTIPRODUCT FIRM THEORY
Creators: name: Akridge, Jay T.
name: Hertel, Thomas W.
name: Akridge, Jay T.
name: Hertel, Thomas W.
Publisher: name: Unknown
Year: 1985
Subjects: Crop Production/Industries
Demand and Price Analysis

description: Retail fertilizer plants produce a number of products and services. To analyze the relationship between cost and output for these multiproduct firms, a shoit-run, translog cost function is estimated using pooled data. Results indicate plants can lower average cost by increasing output and by diversifying into anhydrous ammonia. Furthermore, preliminary evidence indicates that firms in the sample are over-invested in plant and equipment.
title: The other self and social cognition in four to nine year old children
Creators: name: Jones, William Garnet
Publisher: name: The Open University
Year: 1980

description: A cross-sectional developmental study of 180 four to nine year old children's perceptions of themselves within their home and school environments was conducted. Two measures were developed for use in the study: (i) a measure of social cognition which taps the child's perceptions of the consequences of his actions within the social milieu and which appears to operate on a dimension of permissiveness - authoritarianism and (ii) a measure of the other-self which is an expression of what the child thinks his significant others "nearly always" think of him. The other-self measure appears to operate on a dimension of acceptance - rejection. Both measures were found to have acceptable levels of reliability and were validated using the Bristol Social Adjustment Guide (Stott, 1974) as well as by the use of case studies. Each of the measures allows the child to relate himself to his significant others (Mother, Father, Teacher, Sibling) as well as to his School Class and the Meadian (1934) concept of Generalized Other. The two instruments appear to have both diagnostic and therapeutic value since they enable the child to structure himself within his social milieu. The study demonstrated a strong connection between social awareness and sensitivity to others (as manifested by the social cognition measure) and the developing other-self concept. Between the ages of 4 and 9 years, a significant shift occurred from egocentric and/or narcissistic perceptions at 4 years to more socially acceptable self-perceptions from 5 years onwards. Social cognition appears to have most influence on the other-self within the four and five years age range. An analysis of the child's hierarchy of relationships with his significant others yielded the following: Father and Teacher were perceived to be the least permissive whilst the Sibling and School Class were the most permissive. Self-esteem or notions of worth were derived especially from Mother and least from the Sibling. The position of significant others (within children's hierarchies) changed with age,in particular the Teacher who was perceived as becoming more accepting as age increased from 4 to nine years.
The U.S. Agricultural Resources Model (USARM): Model Documentation
Creators: name: Konyar, Kazim
name: McCormick, Ian
name: Osborn, Tim
name: Konyar, Kazim
name: McCormick, Ian
name: Osborn, Tim
Publisher: name: Unknown
Year: 1993
Subjects: subject: Agricultural and Food Policy
subject: Resource /Energy Economics and Policy
subject: Agricultural policy
subject: mathematical programming
subject: economic models

description: As part of its ongoing research into agricultural policy and natural resource use, the Resources and Technology Division of USDA's Economic Research Service developed the U.S. Agricultural Resources Model (USARM). This partial equilibrium, comparative static programming model provides estimates of effects on the location, production, and prices of principal crops, commodity program participation, and the use of agricultural inputs resulting from changes in resource constraints, prices, and policy parameters. This report documents USARM including model justification, description of model equations, and discussion of the method of calibration.
Dissipative dynamics of non-interacting fermion systems and conductivity
Creators: name: Yamaga, Kazuki
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In this paper, Non-Equilibrium Steady State induced by electric field and the conductivity of non-interacting fermion systems under the dissipative dynamics is discussed. The dissipation is taken into account within a framework of the quantum dynamical semigroup introduced by Davies (1977). We obtain a formula of the conductivity for the stationary state, which is applicable to arbitrary potentials. Our formula gives a justification of an adiabatic factor which is often introduced in practical calculation using Kubo formula. In addition the conductivity of crystals (i.e. periodic potentials) is also discussed.
Magnetism in Atomic-Sized Palladium Contacts and Nanowires
Creators: name: Delin, A.
name: Tosatti, E.
name: Weht, R. A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We have investigated Pd nanowires theoretically, and found that, unlike either metallic or free atomic Pd, they exhibit Hund's rule magnetism. In long, monoatomic wires, we find a spin moment of 0.7 Bohr magnetons per atom, whereas for short, monoatomic wires between bulk leads, the predicted moment is about 0.3 Bohr magnetons per wire atom. In contrast, a coaxial (6,1) wire was found to be nonmagnetic. The origin of the wire magnetism is analyzed.
description: 6 pages, including 4 figures
Quantum Dynamics of a Particle with a Spin-dependent Velocity
Creators: name: Aslangul, Claude
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We study the dynamics of a particle in continuous time and space, the displacement of which is governed by an internal degree of freedom (spin). In one definite limit, the so-called quantum random walk is recovered but, although quite simple, the model possesses a rich variety of dynamics and goes far beyond this problem. Generally speaking, our framework can describe the motion of an electron in a magnetic sea near the Fermi level when linearisation of the dispersion law is possible, coupled to a transverse magnetic field. Quite unexpected behaviours are obtained. In particular, we find that when the initial wave packet is fully localized in space, the $J_{z}$ angular momentum component is frozen; this is an interesting example of an observable which, although it is not a constant of motion, has a constant expectation value. For a non-completely localized wave packet, the effect still occurs although less pronounced, and the spin keeps for ever memory of its initial state. Generally speaking, as time goes on, the spatial density profile looks rather complex, as a consequence of the competition between drift and precession, and displays various shapes according to the ratio between the Larmor period and the characteristic time of flight. The density profile gradually changes from a multimodal quickly moving distribution when the scatttering rate is small, to a unimodal standing but flattening distribution in the opposite cas case.
description: 14 pages, 7 figures
Megabothris abantis Rothschild 1915
Creators: name: Morrone, Juan J.
name: Acosta, Roxana
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Siphonaptera
Ceratophyllidae
Megabothris
Megabothris abantis

description: M. abantis (Rothschild, 1915)
Ceratophyllus abantis Rothschild, 1915a: 164. Megabothris abantis; Jordan, 1933a: 77.
Megabothris adversus Wagner, 1936a: 654.
Distribution. Canada and USA.
Hosts. Sorex palustris. Other hosts. Carnivora: Mustela sp. Rodentia: Clethrionomys gapperi, Microtus longicaudus, M. montanus, M. oregoni, M. pennsylvanicus, M. richardsoni, M. townsendii, Peromyscus sp., Synaptomys sp., and Zapus sp. (Traub et al., 1983; Beneski, Jr. & Stinson, 1987).
description: Published as part of Morrone, Juan J. & Acosta, Roxana, 2006, A synopsis of the fleas (Insecta: Siphonaptera) parasitizing New World species of Soricidae (Mammalia: Insectivora), pp. 1-30 in Zootaxa 1354 on page 4, DOI: 10.5281/zenodo.273605
Heavy Quark Radiative Energy Loss in QCD Matter
Creators: name: Djordjevic, Magdalena
name: Gyulassy, Miklos
Publisher: name: arXiv
Year: 2003
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Heavy quark medium induced radiative energy loss is derived to all orders in opacity, $(L/λ_g)^n$. The analytic expression generalizes the GLV opacity expansion for massless quanta to heavy quarks with mass $M$ in a QCD plasma with a gluon dispersion characterized by an asymptotic plasmon mass, $m_g=gT/\sqrt{2}$. Remarkably, we find that the general result is obtained by simply shifting all frequencies in the GLV series by $(m_g^2+x^2 M^2)/(2 x E)$. Numerical evaluation of the first order in opacity energy loss shows that both charm and bottom energy losses are much closer to the incoherent radiation limit than light partons in nuclear collisions at both RHIC and LHC energies. However, the radiation lengths of heavy quarks remain large compared to nuclear dimensions and hence high $p_T$ heavy quark production is volume rather than surface dominated.
description: 32 pages, 14 figures
WISEA J083011.95+283716.0: A Missing Link Planetary-Mass Object
Creators: name: Gagliuffi, Daniella C. Bardalez
name: Faherty, Jacqueline K.
name: Schneider, Adam C.
name: Meisner, Aaron
name: Caselden, Dan
name: Colin, Guilluame
name: Goodman, Sam
name: Kirkpatrick, J. Davy
name: Kuchner, Marc J.
name: Gagné, Jonathan
name: Logsdon, Sarah E.
name: Burgasser, Adam J.
name: Allers, Katelyn
name: Debes, John
name: Wisniewski, John
name: Rothermich, Austin
name: Andersen, Nikolaj S.
name: Thévenot, Melina
name: Walla, Jim
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the discovery of WISEA J083011.95+283716.0, the first Y dwarf candidate identified through the Backyard Worlds: Planet 9 citizen science project. We identified this object as a red, fast-moving source with a faint $W2$ detection in multi-epoch \textit{AllWISE} and unWISE images. We have characterized this object with Spitzer Space Telescope and \textit{Hubble Space Telescope} follow-up imaging. With mid-infrared detections in \textit{Spitzer}'s \emph{ch1} and \emph{ch2} bands and flux upper limits in Hubble Space Telescope $F105W$ and $F125W$ filters, we find that this object is both very faint and has extremely red colors ($ch1-ch2 = 3.25\pm0.23$ mag, $F125W-ch2 \geq 9.36$ mag), consistent with a T$_{eff}\sim300$ K source, as estimated from the known Y dwarf population. A preliminary parallax provides a distance of $11.1^{+2.0}_{-1.5}$ pc, leading to a slightly warmer temperature of $\sim350$ K. The extreme faintness and red Hubble Space Telescope and Spitzer Space Telescope colors of this object suggest it may be a link between the broader Y dwarf population and the coldest known brown dwarf WISE J0855$-$0714, and highlight our limited knowledge of the true spread of Y dwarf colors. We also present four additional Backyard Worlds: Planet 9 late-T brown dwarf discoveries within 30 pc.
description: 13 pages, 6 figures, 5 tables
Bopyridae Rafinesque 1815
Creators: name: Romero Rodríguez, Jesús
name: Álvarez, Fernando
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Isopoda
Bopyridae

description: Family Bopyridae Rafinesque, 1815    Subfamily Bopyrinae Rafinesque, 1815
 Genus Bopyrella Bonnier, 1900
description: Published as part of Romero Rodríguez, Jesús & Álvarez, Fernando, 2021, New hosts and distribution records for bopyrid isopods parasitising alpheid shrimps (Decapoda, Alpheidae) in the SW Gulf of Mexico and Mexican Caribbean, pp. 2219-2248 in Journal of Natural History 54 (35 - 36) on page 2221, DOI: 10.1080/00222933.2020.1842535, http://zenodo.org/record/5029142
Polarization experiments
Creators: name: Delabrouille, J.
name: Kaplan, J.
name: Piat, M.
name: Rosset, C.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Possible instrumental set--ups for the measurement of CMB polarization are reviewed in this article. We discuss existing and planned instruments, putting special emphasis on observational, instrumental, and data processing issues for the detection of very low polarization signals of prime cosmological interest. A short prospective summary is included.
Policies to Reduce Nitrate Pollution in the European Community and Possible Effects on Livestock Production
Creators: name: Leuck, Dale J.
name: Leuck, Dale J.
Publisher: name: Unknown
Year: 1993
Subjects: subject: Environmental Economics and Policy
subject: Livestock Production/Industries
subject: Environmental policies
subject: European Community
subject: fertilizer
subject: manure
subject: nitrate
subject: nitrate directive
subject: pollution

description: In response to high nitrate levels in the water supply in parts of the European Community (EC), regulations to restrict farming practices have been enacted in recent years. A major EC directive, which became law in 1991 but becomes effective in 1999, attempts to restrict the amount of nitrate in the soil. This directive could reduce future livestock numbers in the EC by 12 percent. Local effects would be much higher. The projected reduction in EC livestock numbers is likely to reduce U.S. feedstuff exports and increase livestock product exports.
Quasi-simultaneous XMM-Newton and VLA observation of the non-thermal radio emitter HD\168112 (O5.5III(f^+))
Creators: name: De Becker, M.
name: Rauw, G.
name: Blomme, R.
name: Waldron, W. L.
name: Sana, H.
name: Pittard, J. M.
name: Eenens, P.
name: Stevens, I. R.
name: Runacres, M. C.
name: Van Loo, S.
name: Pollock, A. M. T.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the results of a multiwavelength study of the non-thermal radio emitter HD168112 (O5.5III(f^+)). The detailed analysis of two quasi-simultaneous XMM-Newton and VLA observations reveals strong variability of this star both in the X-ray and radio ranges. The X-ray observations separated by five months reveal a decrease of the X-ray flux of ~30%. The radio emission on the other hand increases by a factor 5-7 between the two observations obtained roughly simultaneously with the XMM-Newton pointings. The X-ray data reveal a hard emission that is most likely produced by a thermal plasma at kT ~2-3 keV while the VLA data confirm the non-thermal status of this star in the radio waveband. Comparison with archive X-ray and radio data confirms the variability of this source in both wavelength ranges over a yet ill defined time scale. The properties of HD168112 in the X-ray and radio domain point towards a binary system with a significant eccentricity and an orbital period of a few years. However, our optical spectra reveal no significant changes of the star's radial velocity suggesting that if HD168112 is indeed a binary, it must be seen under a fairly low inclination.
description: 17 pages, 11 figures (10 postscript + 1 gif)
Strong-coupling asymptotic expansion for Schrödinger operators with a singular interaction supported by a curve in $\mathbb{R}^3$
Creators: name: Exner, P.
name: Kondej, S.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Mathematical Physics (math-ph)
subject: Condensed Matter (cond-mat)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate a class of generalized Schrödinger operators in $L^2(\mathbb{R}^3)$ with a singular interaction supported by a smooth curve $Γ$. We find a strong-coupling asymptotic expansion of the discrete spectrum in case when $Γ$ is a loop or an infinite bent curve which is asymptotically straight. It is given in terms of an auxiliary one-dimensional Schrödinger operator with a potential determined by the curvature of $Γ$. In the same way we obtain an asymptotics of spectral bands for a periodic curve. In particular, the spectrum is shown to have open gaps in this case if $Γ$ is not a straight line and the singular interaction is strong enough.
description: LaTeX 2e, 30 pages; minor improvements, to appear in Rev. Math. Phys
Jellisonia Traub 1944
Creators: name: Morrone, Juan J.
name: Acosta, Roxana
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Siphonaptera
Ceratophyllidae
Jellisonia

description: Jellisonia Traub, 1944
Jellisonia (Pleochaetoides) Augustson, 1944
Jellisonia (Pleochaetoides) Augustson, 1944: 366; Hastriter, 2004 (revision).
description: Published as part of Morrone, Juan J. & Acosta, Roxana, 2006, A synopsis of the fleas (Insecta: Siphonaptera) parasitizing New World species of Soricidae (Mammalia: Insectivora), pp. 1-30 in Zootaxa 1354 on page 3, DOI: 10.5281/zenodo.273605
Not a one-size-fits-all approach: Exploring cultural responsiveness in Schema Therapy
Creators: name: Martin, Irene Rose
Publisher: name: Monash University
Year: 2025
Subjects: classificationCode: 320221
subject: Psychiatry (incl. psychotherapy)

description: This thesis explored cultural responsiveness in Schema Therapy (ST); a Western-developed psychotherapy used worldwide. Findings indicated that while clinicians and clients appreciated ST’s flexibility, concerns emerged regarding its cultural fit, with core concepts and techniques sometimes clashing with non-Western values. Schema therapists also reported uncertainty about their efficacy in providing culturally responsive care. While clinicians’ multicultural counselling self-efficacy were found to be comparable across modalities, current findings suggest that schema therapists may face unique culture-specific challenges. Overall, this thesis indicates that ST is not a one-size-fits-all approach, and schema therapists require systemic support in providing culturally responsive practice.
Analysis of Agricultural Assessment Sales Ratios for Property Tax Purposes During Changing Trends in Land Values
Creators: name: Janssen, Larry L.
name: Edelman, Mark
name: Janssen, Larry L.
name: Edelman, Mark
Publisher: name: Unknown
Year: 1985
Subjects: Agricultural Finance
Land Economics/Use

description: Assessment sales ratios are used to "equalize" property tax assessments. Mean soil productivity ratings did not indicate differences between productivity of land sold and all land in the counties examined during periods of rising and declining agricultural land values. Regression results did not indicate underassessment of more productive land in the counties considered.
Rural America and the Changing Structure of Manufacturing: Spatial Implications of New Technology and Organization. A Conference Proceedings
Creators: name: Bernat, G. Andrew
name: Frederick, Martha
name: Bernat, G. Andrew
name: Frederick, Martha
Publisher: name: Unknown
Year: 1993
Subjects: subject: Community/Rural/Urban Development
subject: Research and Development/Tech Change/Emerging Technologies
subject: manufacturing
subject: restructuring
subject: rural
subject: rural growth

description: The type of job and income growth that manufacturing industries will provide for rural economies is one of the most important rural development questions of the 1990's. While manufacturing will undoubtedly continue to play a significant role in rural economies, the effects upon rural economies of dramatic worldwide restructuring of manufacturing are unknown. This report explores many of the issues associated with the restructuring of manufacturing industries and their implications for rural growth. The chapters were originally presented at a workshop in Washington, DC, September 24-25, 1992. The workshop was co-sponsored by the Economic Research Service of the U.S. Department of Agriculture and the University of Guelph in Ontario, Canada.
One and Two-Electron Spectral Function Line Shapes in the Vicinity of the Upper-Hubbard Bands Lower Limit
Creators: name: Carmelo, J. M. P.
name: Martelo, L. M.
name: Sacramento, P. D.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In this paper we derive general expressions for few-electron spectral functions of the one-dimensional Hubbard model for values of the excitation energy in the vicinity of the $M^{th}$ upper-Hubbard band lower limit. Here $M=1,2,...$ is the rotated-electron double occupation, which vanishes for the ground state and is a good quantum number for all values of the on-site Coulomb repulsion $U$. Our studies rely on a combination of symmetries of the model with a recent finite-energy holon and spinon description of the quantum problem. We apply our general scheme to the one-electron addition spectral function, dynamical structure factor, and spin singlet Cooper pair addition spectral function. Our results provide physically interesting information about the finite-energy spectral properties of the many-electron one-dimensional quantum liquid.
description: Final version to appear in Journal of Physics: Condensed Matter
Teratorhabditis synpapillata Sudhaus 1985
Creators: name: Abolafia, Joaquín
name: Ruiz-Cuenca, Alba N.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Nematoda
Secernentea
Rhabditida
Rhabditidae
Teratorhabditis
Teratorhabditis synpapillata

description: Teratorhabditis synpapillata Sudhaus, 1985
(Figures 1, 2)
 Material examined
 Ten females and ten males from larval cocoons of R. ferrugineus.
description: Published as part of Abolafia, Joaquín & Ruiz-Cuenca, Alba N., 2021, Phoretic invertebrates associated with Rhynchophorus ferrugineus (Coleoptera: Curculionidae) in Canarian date palm from southern Spain, pp. 2265-2284 in Journal of Natural History 54 (35 - 36) on page 2268, DOI: 10.1080/00222933.2020.1842930, http://zenodo.org/record/5029183
Jellisonia ironsi Eads 1947
Creators: name: Morrone, Juan J.
name: Acosta, Roxana
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Siphonaptera
Ceratophyllidae
Jellisonia
Jellisonia ironsi

description: J. ironsi (Eads, 1947)
Trichopsylla ironsi Eads, 1947: 545.
Jellisonia ironsi; Randolph & Eads, 1946: 599.
Distribution. USA, Mexico, Guatemala, and Costa Rica.
Hosts. Cryptotis parva, Cryptotis sp., and Sorex sp. Other hosts. Rodentia: Baiomys musculus, B. taylori, Baiomys sp., Dipodomys elator, Microtus sp., Mus musculus, Peromyscus leucopus, P. maniculatus, Peromyscus sp., Reithrodontomys montanus, and Reithrodontomys sp. (Hastriter, 2004).
description: Published as part of Morrone, Juan J. & Acosta, Roxana, 2006, A synopsis of the fleas (Insecta: Siphonaptera) parasitizing New World species of Soricidae (Mammalia: Insectivora), pp. 1-30 in Zootaxa 1354 on page 3, DOI: 10.5281/zenodo.273605
0 PATRIMÓNIO ARQUIVISTICO DAS MISERICÓRDIAS: NECESSIDADE DA SUA SALVAGUARDA
Creators: name: Bandeira, Ana Maria Leitão
Publisher: name: Cadernos BAD
Year: 1987

description: Divulgando o Protocolo estabelecido entre a Santa Casa da Misericórdia de Penela e o Arquivo da Universidade de Coimbra para depósito nesta instituição do património arquivístico da referida Misericórdia, aponta-se esta medida como urn conselho a seguir na defesa do património arquivístico. Património este sobejamente enriquecido por documentação das Misericórdias, produzida no decurso das suas actividades assistenciais.
description: Cadernos BAD, N.º 1-2 (1987)
Enhanced transmission and beaming of light via photonic crystal surface modes
Creators: name: Moreno, Esteban
name: Garcia-Vidal, F. J.
name: Martin-Moreno, L.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: Surface modes are generally believed to be an undesirable feature of finite photonic crystals (PC), unlike point or line defect modes. However, it is possible to make the surface mode radiate by appropriate corrugation of the PC interface. In this paper we show theoretically that the coherent action of these surface indentations can be engineered to collimate within a few degrees the light exiting a PC waveguide, or to funnel light coming from free space into the waveguide.
description: 4 pages, 5 figures
title: The occurrence and inheritance of protein variation in plaice, Pleuronectes platessa L.
Creators: name: Thompson, David
Publisher: name: The Open University
Year: 1980

description: The occurrence and inheritance of enzyme polymorphism at eight loci in the plaice, Pleuronectes. platessa, were examined by starch-gel electrophoresis. The enzymes studied were glycerol-3-phosphate dehydrogenase, malate dehydrogenase phosphoglucomutase, glucose phosphate isomerase A and B, 6-phosphogluconate dehydrogenase, iso-citrate dehydrogenase and adenosine deaminase. Conventional crosses demonstrated the codominant genetic control of polymorphism at these loci. The first five enzymes listed above were used in examinations of broods of induced diploid gynogenetic offspring produced from heterozygous females. The results showed that diploidy was caused by the interruption of meiosis in the developing egg and the retention of the second polar body. Recombination frequencies were used to determine the efficiency of induced diploid gynogenesis in the development of inbred lines; these may be of use in the genetical improvement of commercial fish cultivation. The examination of these same inherited enzyme polymorphisms in induced triploid crosses both confirmed the recombination data and also the triploid nature of the offspring. The production of such triploids, if sterile, could increase the yield of fish farming. Throughout the study the results were examined for evidence of selection and linkage apart from some evidence of selection at the glucose phosphate isomerase-A locus no other examples of either phenomenon were observed. Individual anomalous results, when contamination between broods had been discounted, were interpreted as mutations. The occurrence of polymorphism at the eight loci was examined in samples from different spawning grounds in the North Sea, the Irish Sea and off Iceland. Eggs were collected and returned to the laboratory for incubation; the resulting larvae were reared to a size suitable for electrophoresis. The results showed that, with respect to these eight loci, the plaice stocks around the United Kingdom appear to be genetically indistinct but differ from those at Iceland at the glycerol-3~phosphate dehydrogenase, phosphoglucomutase and glucose phosphate isomerase-B loci.
ALGUNS ASPECTOS RELEVANTES NA COOPERAÇÃO EUROPEIA NO DOMINIO DA INFORMAÇÃO
Creators: name: Pacheco, Maria Fernanda Duarte
Publisher: name: Cadernos BAD
Year: 1987

description: ALGUNS ASPECTOS RELEVANTES NA COOPERAÇÃO EUROPEIA NO DOMINIO DA INFORMAÇÃO
description: Cadernos BAD, N.º 1-2 (1987)
Studying resonance in the complex charge plane
Creators: name: Alhaidari, A. D.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Potential resonances are usually investigated either directly in the complex energy plane or indirectly in the complex angular momentum plane. Another formulation complementing these two is presented in this work. It is an indirect method which studies resonances in a complex charge plane (Z-plane). The complex scaling (rotation) method is employed in the development of this formulation. Bound states spectrum and resonance energies are mapped onto a discrete set of poles of a resolvent operator on the real line of the Z-plane. These poles move along trajectories as we vary the energy. A finite L2 basis is used in the numerical implementation of the method. Stability of poles and trajectories against variations in all computational parameters is demonstrated. Resonances for a given potential example are calculated and compared with those obtained elsewhere. In this presentation, modest effort will be devoted to mathematical rigor.
description: 10 pages, 2 tables, 5 figures
DESENVOLVENDO O FORMATO COMUM DE COMUNICAÇÃO
Creators: name: Hopkinson, Alan
Publisher: name: Cadernos BAD
Year: 1987

description: O Formato Comum de Comunicação (FCC) da UNESCO é descrito no contexto de outros formatos de permuta. É dada uma definição de «formato de permuta», sendo o FCC comparado com esta definição. Delineia-se a história do seu desenvolvimento e sumaria-se as suas principais caracterfsticas técnicas. São dados exemplos das formas como está a ser e será, provavelmente, utilizado no futuro, mencionando-se urn certo numero de manuais de implementação desenvolvidos para auxiliar na sua utilização.
description: Cadernos BAD, N.º 1-2 (1987)
Disentanglement and Decoherence by Open System Dynamics
Creators: name: Dodd, P. J.
name: Halliwell, J. J.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The destruction of quantum interference, decoherence, and the destruction of entanglement both appear to occur under the same circumstances. To address the connection between these two phenomena, we consider the evolution of arbitrary initial states of a two-particle system under open system dynamics described by a class of master equations which produce decoherence of each particle. We show that all initial states become separable after a finite time, and we produce the explicit form of the separated state. The result extends and amplifies an earlier result of Diósi. We illustrate the general result by considering the case in which the initial state is an EPR state (in which both the positions and momenta of a particle pair are perfectly correlated). This example clearly illustrates how the spreading out in phase space produced by the environment leads to certain disentanglement conditions becoming satisfied.
description: 15 Pages
title: Problems of evaluation with special reference to the evaluation of Open University counselling
Creators: name: Thomas, Alan
Publisher: name: The Open University
Year: 1977

description: The thesis is concerned with problems of evaluation, both in the general sense of how anything may be evaluated and more specifically with the topic of the evaluation of the Open University counselling service. Although evaluation has long been a topic of concern to philosophers, the specialism of educational evaluation has emerged relatively recently. In particular, a body of ’theory' and practice has developed in the United States, oriented initially to the evaluation of curricula and increasingly towards the servicing of educational decisions of all kinds. A number of schemes for the conduct of evaluation have been proposed, yet there is widespread dissatisfaction with the results of evaluative research. Given the problematic nature of evaluation in education, and that an examination of the concept of evaluation, might throw some light on the difficulties, it is necessary to consider some of the philosophical positions on the subject. Following this a model of evaluation is outlined, and the importance of standards for the process of evaluation is emphasised. It is argued that calls for formal evaluations typically arise under conditions of dispute among decision-makers, and some possible ways of resolving such disputes are considered. The need to establish the decision-makers' degree of incorrigibility with regard to research findings is also proposed. An evaluation project on the Open University counselling service faced a number of difficulties, and the progress of this work is reported. The account provides a relatively rare glimpse of the social and organisational context of evaluative research in a highly unusual institution. The problems are considered in the light of the analysis of the evaluation process, and in terms of the specific circumstances surrounding the project. Finally, some suggestions are made as to how more fruitful evaluations might be achieved in the future.
Kohlsia pelaezi Barrera 1956
Creators: name: Morrone, Juan J.
name: Acosta, Roxana
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Siphonaptera
Ceratophyllidae
Kohlsia
Kohlsia pelaezi

description: K. pelaezi Barrera, 1956
Kohlsia pelaezi Barrera, 1956: 13.
Distribution. Mexico.
Hosts. Sorex veraepacis. Other hosts. Rodentia: Peromyscus furvus, P. megalops, P. mexicanus, and Peromyscus sp. (Traub et al., 1983; Morales & Llorente, 1986; Ayala­ Barajas et al., 1988).
description: Published as part of Morrone, Juan J. & Acosta, Roxana, 2006, A synopsis of the fleas (Insecta: Siphonaptera) parasitizing New World species of Soricidae (Mammalia: Insectivora), pp. 1-30 in Zootaxa 1354 on pages 3-4, DOI: 10.5281/zenodo.273605
Electron-Phonon Interactions in the W=0 Pairing Scenario
Creators: name: Perfetto, Enrico
name: Cini, Michele
Publisher: name: arXiv
Year: 2004
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate the interplay of phonons and correlations in superconducting pairing by introducing a model Hamiltonian with on-site repulsion and couplings to several vibration branches having the Cu-O plane of the cuprates as a paradigm. We express the electron-phonon coupling (EP) through two force constants for O-Cu and O-O bond stretchings. Without phonons, this reduces to the Hubbard Model, and allows purely electronic W=0 pairing. A W=0 pair is a two-body singlet eigenstate of the Hubbard Hamiltonian, with no double occupancy, which gets bound from interactions with background particles. Indeed, this mechanism produces a Kohn-Luttinger-like pairing from the Hubbard repulsion, provided that its symmetry is not severely distorted. From the many-body theory, a canonical transformation extracts the effective two-body problem, which lends itself to numerical analysis in case studies. As a test, we use as a prototype system the $\cu$ cluster. We show analytically that at weak EP coupling the additive contributions of the half-breathing modes reinforce the electronic pairing. At intermediate and strong EP coupling and $U \sim t$, the model behaves in a complex and intriguing way.
description: 12 eps figures. to appear in J. Phys. C (Condensed Matter)
Mononchoides macrospiculum Troccoli, Oreste, Tarasco, Fanelli and De Luca 2015
Creators: name: Abolafia, Joaquín
name: Ruiz-Cuenca, Alba N.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Nematoda
Secernentea
Diplogasterida
Diplogasteridae
Mononchoides
Mononchoides macrospiculum

description: Mononchoides macrospiculum Troccoli, Oreste, Tarasco, Fanelli and De Luca, 2015
(Figures 3, 4)
 Material examined
 Ten females and ten males from cocoons of R. ferrugineus larvae.
description: Published as part of Abolafia, Joaquín & Ruiz-Cuenca, Alba N., 2021, Phoretic invertebrates associated with Rhynchophorus ferrugineus (Coleoptera: Curculionidae) in Canarian date palm from southern Spain, pp. 2265-2284 in Journal of Natural History 54 (35 - 36) on page 2272, DOI: 10.1080/00222933.2020.1842930, http://zenodo.org/record/5029183
Assessing Student Perspective of UBC’s “Movement Breaks” Services in the Classroom
Creators: name: Ling, Cindy
name: Loo, Chris
name: Ram, Natalie
name: Dhillon, Tarandeep
Publisher: name: The University of British Columbia
Year: 2022

description: Move U Crew is determined to improve the campus wellbeing by offering movement breaks in diverse settings (“Move U Crew,” n.d.). These settings range from classrooms, conferences, meetings, etc. (“Move U Crew,” n.d.). When providing breaks, they have a specific goal and task they are striving to achieve. This goal is to increase physical activity while minimizing sedentary behaviors (inactiveness) through engaging students, staff and faculty to make time to recognize the importance of movement (“Move U Crew,” n.d.). It is important to have students understand the importance of movement and be able to incorporate movement breaks in their lifestyle. This is because university students spend 7-9 hours engaging in sedentary behaviours such as sitting than the average young adult population (Castro et al., 2020). The importance of incorporating movement breaks is beneficial in multiple domains including mental, physical, emotional and spiritual. According to Castro et al., (2020), engagement of movement breaks decrease anxiety, depression, several chronic diseases, diabetes and mortality while increasing academic performance. To better understand the accessibility MOVE U Crew provides for university students, quantitative and qualitative methods were used in a Qualtrics survey. This study surveyed 43 university students who are currently enrolled at The University of British Columbia. In 2 weeks, the findings revealed UBC students lacked awareness of who the MOVE U Crew is, and the barriers students faced, preventing them from participating in movement breaks. Due to these results, some recommendations can be made for the MOVE U Crew to increase accessibility for UBC students to increase engagement in movement breaks. These recommendations are to promote movement breaks, how to increase awareness, how to address barriers for time constraint, and how to increase accessibility to equipment. Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”
Sistema Integrado de Informação Bibliografica da Universidade de Coimbra e Região Centro - Notícia de um projecto
Creators: name: Mendes, Maria Teresa Pinto
Publisher: name: Cadernos BAD
Year: 1986

description: Sistema Integrado de Informação Bibliografica da Universidade de Coimbra e Região Centro - Notícia de um projecto
description: Cadernos BAD, N.º 2 (1986)
THE TOTAL VALUE OF WILDLIFE: A CASE STUDY INVOLVING ENDANGERED SPECIES
Creators: name: Boyle, Kevin J.
name: Bishop, Richard C.
name: Boyle, Kevin J.
name: Bishop, Richard C.
Publisher: name: Unknown
Year: 1985
Subjects: Environmental Economics and Policy
Resource /Energy Economics and Policy

description: The components of value for a wildlife resource are discussed, with emphasis on existence value. A simple model is proposed and preliminary results of an application to valuing endangered species of wildlife are presented. The empirical results indicate that significant nonuse values may be associated with endangered species of wildlife.
Nature of Protected Zero Energy States in Penrose Quasicrystals
Creators: name: Day-Roberts, Ezra
name: Fernandes, Rafael M.
name: Kamenev, Alex
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The electronic spectrum of the Penrose rhombus quasicrystal exhibits a macroscopic fraction of exactly degenerate zero energy states. In contrast to other bipartite quasicrystals, such as the kite-and-dart one, these zero energy states cannot be attributed to a global mismatch $Δn$ between the number of sites in the two sublattices that form the quasicrystal. Here, we argue that these zero energy states are instead related to a local mismatch $Δn(\bf r)$. Although $Δn(\bf r)$ averages to zero, its staggered average over self-organized domains gives the correct number of zero energy states. Physically, the local mismatch is related to a hidden structure of nested self-similar domains that support the zero energy states. This allows us to develop a real space renormalization-group scheme, which yields the scaling law for the fraction of zero energy states, $Z$, versus size of their support domain, $N$, as $Z\propto N^{-η}$ with $η=1-\ln 2/\ln(1+τ) \approx 0.2798$ (where $τ$ is the golden ratio). It also reproduces the known total fraction of the zero energy states, $81-50τ\approx 0.0983$. We also show that the exact degeneracy of these states is protected against a wide variety of local perturbations, such as irregular or random hopping amplitudes, magnetic field, random dilution of the lattice, etc. We attribute this robustness to the hidden domain structure and speculate about its underlying topological origin.
description: 12 pages, 18 figures
Selenops banksi Muma 1953
Creators: name: Crews, Sarah C.
name: Galvis, William
name: Esposito, Lauren A.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Selenopidae
Selenops
Selenops banksi

description: Selenops banksi group Muma, 1953
 Diagnosis Males of the Selenops banksi group can be distinguished from other species by the short embolus beginning around 8–9 o’clock, and having an embolic apophysis which is obscured by the embolus in ventral view (Figures 3 (a–h) and 5(a–f)). Females of the group can be separated from other species by the strongly sclerotised copulatory ducts with several turns, with inconspicuous primary spermathecae, a median lobe or septum, and medially located epigynal pockets (Figure 6 (a–d, f–g)). Both males and females have the sternum longer than wide and the labium truncated with rounded anterior edges (Figure 2 (g,k–l, q)).
description: Published as part of Crews, Sarah C., Galvis, William & Esposito, Lauren A., 2021, Gliding canopy flatties and relatives from the Selenops banksi group (Araneae: Selenopidae), pp. 2343-2365 in Journal of Natural History 54 (35 - 36) on page 2348, DOI: 10.1080/00222933.2020.1844914, http://zenodo.org/record/5029271
Automatização de arquivos
Creators: name: Cook, Michael
Publisher: name: Cadernos BAD
Year: 1986

description: 1 - Nesta conferência proponho-me fornecer algumas referencias sobre os acontecimentos recentes ocorridos no mundo dos arquivos e da arquivistica – o mundo da gestão dos arquivos como prefiro dizer.
description: Cadernos BAD, N.º 2 (1986)
Organizational Water Footprint to Support Decision Making: a Case Study for a German Technological Solutions Provider for the Plumbing Industry
Creators: name: Forin, Silvia
name: Gossmann, Jutta
name: Weis, Christoph
name: Thylmann, Daniel
name: Bunsen, Jonas
name: Berger, Markus
name: Finkbeiner, Matthias
Publisher: name: Technische Universität Berlin
Year: 2020
Subjects: subject: 333 Boden- und Energiewirtschaft
subject: organizational water footprint
subject: corporate footprints
subject: sustainable supply chain management
subject: eco-design
subject: water scarcity
subject: water footprint
subject: organizational life cycle assessment

description: With water scarcity representing an increasing threat to humans, the environment and the economy, companies are interested in exploring how their operations and supply chains affect water resources globally. To allow for systematically compiling the water footprint at the company level, the organizational water footprint method based on ISO 14046 and ISO/TS 14072 was developed. This paper presents the first complete organizational water scarcity footprint case study carried out for Neoperl GmbH, a German company that offers innovative solutions regarding drinking water for the plumbing industry. The cradle-to-gate assessment for one year includes, besides facility-based production activities, purchased materials, electricity and fuels, and supporting activities, such as company vehicles and infrastructure. Neoperl’s total freshwater consumption amounts to approximately 110,000 m3, 96% thereof being attributable to the supply chain, with freshwater consumption through purchased metals playing the predominant role. Metals (mainly stainless steel and brass) are major hotspots, also when considering the water scarcity-related local impacts resulting from freshwater consumption, which mainly affect China and Chile. These results can be used to improve the company’s supply chain water use in cooperation with internal and external stakeholders by means of, e.g., sustainable purchase strategies or eco-design options to substitute water intensive materials.
title: A Practical Approach to the Analysis of Survival Data.
Creators: name: Goodwin, Jennifer Ann Grace
Publisher: name: The Open University
Year: 1975

description: The question of how to compare survival between two or more groups is considered mainly with a view to applications in medical studies. Emphasis is laid on finding methods of comparison which are simple to perform, and on the presentation of the results in a form which may readily be understood by the layman. The main nonparametric methods of estimating a survival distribution are described, and the connections between them pointed out. Parametric methods considered are those based on the exponential and Weibull distributions. The comparison of two groups is considered in detail, particular attention being paid to simple graphical methods, and to the clarification of some points arising from the recent papers by Gox (1972) and Pete and Peto (1972). Where account is to be taken of concomitant variables, the important regression models available are those based on the exponential distribution and Cox's model, in which the form of the underlying distribution remains arbitrary. These are presented as extensions ofthe two-sample models already considered. Where there are many possible covariates, computation becomes heavy and there is a danger that the results may be difficult to interpret. It is suggested that a preliminary analysis of the data in strata by simple two-sample methods be made, as an aid in deciding which covariates to include in the model; a subsequent regression analysis might then be presented as a refinement of this. Such a preliminary analysis is demonstrated on a body of data from a clinical trial.