cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Ground State of the Kagome Lattice Heisenberg Antiferromagnet
Creators: name: Singh, Rajiv R. P.
name: Huse, David A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Using series expansions around the dimer limit, we show that the ground state of the Heisenberg Antiferromagnet on the Kagome Lattice appears to be a Valence Bond Crystal (VBC) with a 36-site unit cell, and an energy per site of $E/J=-0.433\pm0.001$. It is a honeycomb lattice of `perfect hexagons' as discussed by Nikolic and Senthil. The energy difference between the ground state and other ordered states with the maximum number of `perfect hexagons', such as a stripe-ordered state, is of order $0.001 J$. The energy of the 36-site system with periodic boundary conditions is further lowered by an amount of $0.005\pm 0.001 J$, consistent with Exact Diagonalization. Every unit cell of the VBC has two singlet states whose degeneracy is not lifted to $6th$ order in the expansion. We estimate this energy difference to be smaller than $0.001 J$. Two leading orders of perturbation theory find the lowest-energy triplet excitations to be dispersionless and confined to the `perfect hexagons'.
Testing outer boundary treatments for the Einstein equations
Creators: name: Rinne, Oliver
name: Lindblom, Lee
name: Scheel, Mark A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Various methods of treating outer boundaries in numerical relativity are compared using a simple test problem: a Schwarzschild black hole with an outgoing gravitational wave perturbation. Numerical solutions computed using different boundary treatments are compared to a `reference' numerical solution obtained by placing the outer boundary at a very large radius. For each boundary treatment, the full solutions including constraint violations and extracted gravitational waves are compared to those of the reference solution, thereby assessing the reflections caused by the artificial boundary. These tests use a first-order generalized harmonic formulation of the Einstein equations. Constraint-preserving boundary conditions for this system are reviewed, and an improved boundary condition on the gauge degrees of freedom is presented. Alternate boundary conditions evaluated here include freezing the incoming characteristic fields, Sommerfeld boundary conditions, and the constraint-preserving boundary conditions of Kreiss and Winicour. Rather different approaches to boundary treatments, such as sponge layers and spatial compactification, are also tested. Overall the best treatment found here combines boundary conditions that preserve the constraints, freeze the Newman-Penrose scalar Psi_0, and control gauge reflections.
description: Modified to agree with version accepted for publication in Class. Quantum Grav
Unparticle physics and Higgs phenomenology
Creators: name: Kikuchi, Tatsuru
name: Okada, Nobuchika
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Recently, conceptually new physics beyond the Standard Model has been proposed, where a hidden conformal sector provides ``unparticle'' which couples to the Standard Model sector through higher dimensional operators in low energy effective theory. Among several possibilities, we focus on operators involving unparticle, the Higgs doublet and the gauge bosons. Once the Higgs doublet develops the vacuum expectation value, the conformal symmetry is broken and as a result, the mixing between unparticle and Higgs boson emerges. We find that this mixing can cause sizable shifts for the couplings between Higgs boson and a pair of gluons and photons, because these couplings exist only at the loop level in the Standard Model. These Higgs couplings are the most important ones for the Higgs boson search at the CERN Large Hadron Collider, and the unparticle physics effects may be observed together with the discovery of Higgs boson.
description: 5 pages, 4 figures; version to appear in Phys. Lett. B
Radiative neutrino masses, lepton flavor mixing and muon $g-2$ in a leptoquark model
Creators: name: Zhang, Di
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We propose a leptoquark model with two scalar leptoquarks $S^{}_1 \left( \bar{3},1,\frac{1}{3} \right)$ and $\widetilde{R}^{}_2 \left(3,2,\frac{1}{6} \right)$ to give a combined explanation of neutrino masses, lepton flavor mixing and the anomaly of muon $g-2$, satisfying the constraints from the radiative decays of charged leptons. The neutrino masses are generated via one-loop corrections resulting from a mixing between $S^{}_1$ and $\widetilde{R}^{}_2$. With a set of specific textures for the leptoquark Yukawa coupling matrices, the neutrino mass matrix possesses an approximate $μ$-$τ$ reflection symmetry with $\left( M^{}_ν\right)^{}_{ee} = 0$ only in favor of the normal neutrino mass ordering. We show that this model can successfully explain the anomaly of muon $g-2$ and current experimental neutrino oscillation data under the constraints from the radiative decays of charged leptons.
description: 28 pages, 4 figures, references added, and the version accepted for publication in JHEP
ALMA view of the $ρ$ Ophiuchi A PDR with a 360-au beam: the [CI] emission originates from the plane-parallel PDR and extended gas
Creators: name: Yamagishi, Mitsuyoshi
name: Shimajiri, Yoshito
name: Tokuda, Kazuki
name: Kawabe, Ryohei
name: Nakamura, Fumitaka
name: Kamazaki, Takeshi
name: Nomura, Hideko
name: Takekoshi, Tatsuya
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the results of data analysis of the [CI] ($^{3}P_{1}$-$^{3}P_{0}$) emission from the $ρ$ Ophiuchi A photon-dominated region (PDR) obtained in the ALMA ACA stand-alone mode with a spatial resolution of 2.''6 (360 au). The [CI] emission shows filamentary structures with a width of $\sim$1000 au, which are adjacent to the shell structure seen in the 4.5 $μ$m map. We found that the 4.5 $μ$m emission, C$^0$, and CO are distributed in this order from the excitation star (S1) in a complementary pattern. These results indicate that [CI] is emitted from a thin layer in the PDR generated by the excitation star, as predicted in the plane-parallel PDR model. In addition, extended [CI] emission was also detected, which shows nearly uniform integrated intensity over the entire field-of-view (1.'6$\times$1.'6). The line profile of the extended component is different from that of the above shell component. The column density ratio of C$^0$ to CO in the extended component was $\sim$2, which is significantly higher than those of Galactic massive star-forming regions (0.1-0.2). These results suggest that [CI] is emitted also from the extended gas with a density of $n_\mathrm{H_2} \sim 10^3$ cm$^{-3}$, which is not greatly affected by the excitation star.
description: 11 pages, 4 figures, ApJL accepted
A New Autoregressive Neural Network Model with Command Compensation for Imitation Learning Based on Bilateral Control
Creators: name: Hayashi, Kazuki
name: Sasagawa, Ayumu
name: Sakaino, Sho
name: Tsuji, Toshiaki
Publisher: name: arXiv
Year: 2021
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: In the near future, robots are expected to work with humans or operate alone and may replace human workers in various fields such as homes and factories. In a previous study, we proposed bilateral control-based imitation learning that enables robots to utilize force information and operate almost simultaneously with an expert's demonstration. In addition, we recently proposed an autoregressive neural network model (SM2SM) for bilateral control-based imitation learning to obtain long-term inferences. In the SM2SM model, both master and slave states must be input, but the master states are obtained from the previous outputs of the SM2SM model, resulting in destabilized estimation under large environmental variations. Hence, a new autoregressive neural network model (S2SM) is proposed in this study. This model requires only the slave state as input and its outputs are the next slave and master states, thereby improving the task success rates. In addition, a new feedback controller that utilizes the error between the responses and estimates of the slave is proposed, which shows better reproducibility.
A History of Camp from Christopher Isherwood to the Met Gala
Creators: name: Chatzipapatheodoridis, Constantine
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019
Subjects: camp; queer; LGBTQ+; pop culture; art; performance

description: This article explores the concept of camp through a historical account that traces its discourse from the literary work of Christopher Isherwood to the Costume Institute exhibition and benefit held by the Metropolitan Museum of Art in 2019. The objective of this project is a departure from defining camp since its theorization has been thoroughly pursued by cultural critics for over half a century now. Instead, opting more for a retrospective critique, I am focusing on key figures, works and events that pushed cultural criticism toward a firm understanding of the notion of camp which in turn revitalized dialogue on the concepts of gender, sexuality, as well as taste and identity. With camp being a praxis which is inextricably linked with queer cultural production, its evolution and popularization alongside the increasing momentum of the LGBTQ+ movement is what drives the main argument in the article. In it, I explicate why the Met Gala serves as a turning point in the history of camp and examine the motives that have propelled camp all the way from the queer margins into mainstream media and, furthermore, into the sphere of cultural preservation as its museum status signifies.
description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
Hybrid compactifications and brane gravity in six dimensions
Creators: name: Kobayashi, Tsutomu
name: Takamizu, Yu-ichi
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider a six-dimensional axisymmetric Einstein-Maxwell model of warped braneworlds. The bulk is bounded by two branes, one of which is a conical 3-brane and the other is a 4-brane wrapped around the axis of symmetry. The latter brane is assumed to be our universe. If the tension of the 3-brane is fine-tuned, it folds the internal two-dimensional space in a narrow cone, making sufficiently small the Kaluza-Klein circle of the 4-brane. An arbitrary energy-momentum tensor can be accommodated on this ring-like 4-brane. We study linear perturbations sourced by matter on the brane, and show that weak gravity is apparently described by a four-dimensional scalar-tensor theory. The extra scalar degree of freedom can be interpreted as the fluctuation of the internal space volume (or that of the circumference of the ring), the effect of which turns out to be suppressed at long distances. Consequently, four-dimensional Einstein gravity is reproduced on the brane. We point out that as in the Randall-Sundrum model, the brane bending mode is crucial for recovering the four-dimensional tensor structure in this setup.
description: 15 pages, 2 figures; v2: references added; v3: accepted for publication in Class. Quant. Grav
Shelterbelts and windbreaks: principles for installation - Cortinas de abrigo e quebra-ventos: princípios para a sua instalação
Creators: name: JOANA AMARAL PAULO
name: RAQUEL ALMEIDA
Publisher: name: Zenodo
Year: 2019
Subjects: Hedgerows
wind protection
hedgerow installation
hedgerow management
trees
shrubs
Sebes vivas
proteção contra o vento
instalação de sebes
gestão de sebes
árvores
arbustos

description: O vento pode afetar culturas e animais, atuando direta ou indiretamente nos processos mecânicos ou fisiológicos relacionados com o microclima e o solo. Existem diversos elementos arbóreos que, quando corretamente inseridos numa exploração ou paisagem, permitem reduzir estes efeitos. Ao nível da paisagem estas sebes vivas surgem normalmente combinadas umas com as outras num sistema para reduzir os danos do vento.
A escolha das plantas lenhosas certas requer uma ponderação cuidadosa e oportuna das necessidades ecológicas, da estrutura da sebe, do solo, clima, culturas e outros elementos da exploração. Apesar disso, existe um conjunto de princípios comuns a considerar.
The Language of the Emotion of LOVE in William Shakespeare’s Romeo and Juliet: Conceptual Metaphors, Metonymies and their Interactions
Creators: name: Christakidou, Alexandra
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019
Subjects: metaphor; metonymy; metaphtonymy; emotion language; cognitive linguistics; Romeo and Juliet

description: This paper presents the complexities of the linguistic expressions of the domain of LOVE in William Shakespeare’s Romeo and Juliet. Emphasis is placed on conceptual metaphors and metonymies, and especially on their interactions. The theoretical framework that has been used as a guide for this study is that of Cognitive Linguistics, and more specifically its branch called Cognitive Poetics. The conclusion of this study is that clear-cut distinctions between the two cognitive processes (i.e. metaphor and metonymy) for certain linguistic expressions cannot be easily made. We should therefore reconsider the way we categorize them, since their deeper conceptual structure may be based on both cognitive processes.
description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
D-brane Instantons on the T^6/Z_3 orientifold
Creators: name: Bianchi, Massimo
name: Fucito, Francesco
name: Morales, Jose F.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We give a detailed microscopic derivation of gauge and stringy instanton generated superpotentials for gauge theories living on D3-branes at Z_3-orientifold singularities. Gauge instantons are generated by D(-1)-branes and lead to Affleck, Dine and Seiberg (ADS) like superpotentials in the effective N=1 gauge theories with three generations of bifundamental and anti/symmetric matter. Stringy instanton effects are generated by Euclidean ED3-branes wrapping four-cycles on T^6/\Z_3. They give rise to Majorana masses in one case and non-renormalizable superpotentials for the other cases. Finally we determine the conditions under which ADS like superpotentials are generated in N=1 gauge theories with adjoints, fundamentals, symmetric and antisymmetric chiral matter.
description: 31 pages, no figures
Digital Theatre Meets Classical Reception in a Multimodal and Transmedial Approach to English Literacy
Creators: name: Delikonstantinidou, Aikaterini
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019
Subjects: Digital Theatre in Education; Classical Reception; EFL; Adult Education; Multiliteracies Pedagogy; Transformative Learning Theory

description: The present paper puts forth and delineates a research project at the first stages of its development, with a view to attracting constructive feedback for it. The project builds on the intersection of four lines of scholarship and practice: 1. Digital Theatre in Education; 2. Classical Reception (contemporary Anglophone reception of Greek tragic literature); 3. Adult Education; 4. English as a Foreign Language (EFL) education. It employs mainly the methodology of action research and, by means of it, seeks to develop an alternative model for teaching EFL to adult learners. The said model integrates and jointly implements Theatre in Education methods (specifically, those of Process Drama) and Classical Reception resources (both Greek tragic ante-texts in English translation and their Anglophone revisions), with digital and media technologies, in the light of recent developments in Multiliteracies Pedagogy and Transformative Learning Theory. The practice-based research in question advances a socially engaged EFL model that brings together Digital Theatre in Education and the pedagogical potential of Classical Reception to serve the educational needs of adult learners studying in Greek Second Chance Schools, targeting especially those coming from disadvantaged backgrounds. This paper discusses the theoretical basis and framework of the project, as well as its methodological contours. It also calls attention to its scientific and social contribution and touches upon its innovative aspects.
description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
Carcerals and Olympic Masculinities in Christos Tsiolkas’s Barracuda
Creators: name: Gerakis, Panos
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019
Subjects: masculinities; globalisation; Tsiolkas; Foucault; bodies; sexuality; crisis

description: In an effort to draw attention to the masculine crisis occurring in the era of globalisation, this paper elaborates on Australian author Christos Tsiolkas’s novel Barracuda and the central character’s self-discipline and struggle into reaching Olympic achievement. The course of his rise as a potential Olympic athlete but also his fall and crisis within an institutional framework of disciplines, which often symbolically turn into nightmarish prisons, resonate with Michel Foucault’s 1975 work Discipline and Punish. The latter’s ideas about discipline and the “carceral” will help interpret Tsiolkas’s novel and further understand how the Olympics work as a mechanism of discipline and compliance towards a kind of hegemonic masculinity and its inevitable crisis.
description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
The Land of Death: Exploring the Application of the Death Penalty in Bruce Graham’s Coyote on a Fence (2000)
Creators: name: Koutsi, Penny
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019
Subjects: Bruce Graham; Coyote on a Fence; contemporary drama; the death penalty

description: The implementation of the death penalty as a form of punishment is concurrent with the birth of the American nation. The challenges that the death penalty creates socially, politically and ethically seem to strongly affect and problematize playwrights who continue employing the death penalty issue in their writings even in recent years. In Coyote on a Fence, Bruce Graham communicates his ideas utilizing the death row as the course of action. His depiction of an educated middle-aged convict and his relationship with a young mentally challenged man who is convicted of a racist crime explores the legal structures surrounding the application of the death penalty in the USA. Through the characters, Graham castigates the judicial mechanism’s inadequacies vis a vis punishment and attribution of justice in general, and, of individuals with particular psychological and mental difficulties, in particular.
description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
The Child-Adult Relationship in Maurice Sendak’s Where the Wild Things Are through Clementine Beauvais’s Reconceptualisation of the Notion of Power
Creators: name: Selimi, Glikeria
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019
Subjects: aetonormativity; children’s literature; power relations

description: The aim of this article is to explore the power dynamics of the child-adult relationship in Maurice Sendak’s Where the Wild Things Are through the deployment of Clementine Beauvais’s reconceptualisation of the notion of power as the cornerstone of aetonormativity-centred criticism of children’s literature. It is argued that the examination of the complex relationship between the child and the adult character in the text, as well as the child reader and the adult author in a theoretical framework, which provides the space for the renegotiation of the notion of power and its properties, effectively serves a twofold purpose: it delineates the complications in the representation of childhood subjectivity in the picture book, and, simultaneously, illuminates the theoretical issue to which Beauvais The Mighty Child refers as “the inherent problem of adult ‘power’ in children’s literature” (4).
description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
The Representation of National Character through Translation: Re-constructing Irish Cultural Images for a Greek Readership
Creators: name: Valkanou, Theodora
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019
Subjects: Irish poetry in English; translation; Irish cultural identity; national character; imagology

description: Twentieth-century Irish poetry in English is often considered the literary manifestation of a distinct Irish cultural identity. Not only had it been used as a vehicle for national emancipation during the Celtic Revival, playing a significant role in the formation of an Irish self-image, but it also later provided the canvas on which postcolonial tensions and the multiplicity of the Irish experience have been displayed. As such, it is rife with cultural images which discursively construct a particular national character. This paper focuses on the transmission of these cultural images in the Greek translations of four twentieth-century Irish poets, namely William Butler Yeats, Patrick Kavanagh, Seamus Heaney, and Brendan Kennelly. Using insights from imagology, the paper compares the literary representations of Irishness as they are constructed in the original compositions and reconstructed in translation, in order to explore how the imagined collective identity of the Irish is portrayed when translated for another culture. The comparison reveals that certain aspects of Irish cultural identity are maintained and even further stereotyped in the Greek translations, while others are under-represented, or domesticated to adapt to the target-culture norms.
description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
Viscoplastic Properties and Tribological Behavior of Diamond-Like Carbon Films Using Nanoindentation and Nanoscratch Tests
Creators: name: Turq, Viviane
name: Fontaine, Julien
name: Loubet, Jean-Luc
name: Mazuyer, Denis
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Diamond-Like Carbon (DLC) films have been shown to demonstrate various tribological behaviors: in ultra-high vacuum (UHV), with either friction coefficients as low as 0.01 or less and very mild wear, or very high friction coefficients (>0.4) and drastic wear. These behaviors depend notably on gaseous environment, hydrogen content of the film [1], and on its viscoplastic properties [2,3]. A relation between superlow friction in UHV and viscoplasticity has indeed been established for a-C:H films and confirmed for a fluorinated sample (a-C:F:H). In this study, nanoindentation and nanoscratch tests were conducted in ambient air, using a nanoindentation apparatus, in order to evaluate tribological behaviors, as well as mechanical and viscoplastic properties of different amorphous carbon films.
description: Conference was held in Kobe, JAPAN 29th of May to 2nd of June 2005
Cox, Jessica. Neo-Victorianism and Sensation Fiction. Cham: Palgrave Macmillan, 2019 (251 pp). ISBN: 978-3-030-29289-8.
Creators: name: Ioannidou, Elisavet
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019

description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
Wright, Angela. Mary Shelley. Cardiff: University of Wales Press, 2018. Gothic Authors: Critical Revisions (192 pp). ISBN: 9781783168460.
Creators: name: Karampela, Elli
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019

description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
Shocked Molecular Hydrogen in the 3C 326 Radio Galaxy System
Creators: name: Ogle, Patrick
name: Antonucci, Robert
name: Appleton, P. N.
name: Whysong, David
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The Spitzer spectrum of the giant FR II radio galaxy 3C 326 is dominated by very strong molecular hydrogen emission lines on a faint IR continuum. The H2 emission originates in the northern component of a double-galaxy system associated with 3C 326. The integrated luminosity in H2 pure-rotational lines is 8.0E41 erg/s, which corresponds to 17% of the 8-70 micron luminosity of the galaxy. A wide range of temperatures (125-1000 K) is measured from the H2 0-0 S(0)-S(7) transitions, leading to a warm H2 mass of 1.1E9 Msun. Low-excitation ionic forbidden emission lines are consistent with an optical LINER classification for the active nucleus, which is not luminous enough to power the observed H2 emission. The H2 could be shock-heated by the radio jets, but there is no direct indication of this. More likely, the H2 is shock-heated in a tidal accretion flow induced by interaction with the southern companion galaxy. The latter scenario is supported by an irregular morphology, tidal bridge, and possible tidal tail imaged with IRAC at 3-9 micron. Unlike ULIRGs, which in some cases exhibit H2 line luminosities of comparable strength, 3C 326 shows little star-formation activity (~0.1 Msun/yr). This may represent an important stage in galaxy evolution. Starburst activity and efficient accretion onto the central supermassive black hole may be delayed until the shock-heated H2 can kinematically settle and cool
description: 27 pages, 7 figures, accepted for publication in the Astrophysical Journal
Morganroth-Gullette, Margaret. Ending Ageism or How not to Shoot Old People. Rutgers University Press, 2017 (268pp). ISBN: 9780813589299.
Creators: name: Tsamouris, Tonia
Publisher: name: Gramma: Journal of Theory and Criticism
Year: 2019

description: Gramma: Journal of Theory and Criticism, Vol 26 (2019): Mapping New Trends: Greek Scholarship in Anglophone Studies
Radiative Seesaw Mechanism for Charged Leptons
Creators: name: Chiang, Cheng-Wei
name: Yagyu, Kei
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss a mechanism where charged lepton masses are derived from one-loop diagrams mediated by particles in a dark sector including a dark matter candidate. We focus on a scenario where the muon and electron masses are generated at one loop with new ${\cal O}(1)$ Yukawa couplings. The measured muon anomalous magnetic dipole moment, $(g-2)_μ$, can be explained in this framework. As an important prediction, the muon and electron Yukawa couplings can largely deviate from their standard model predictions, and such deviations can be tested at High-Luminosity LHC and future $e^+e^-$ colliders.
description: Version accepted for publication in PRD
Implication of the D^0 Width Difference On CP-Violation in D^0-\bar D^0 Mixing
Creators: name: Ball, Patricia
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Both BaBar and Belle have found evidence for a non-zero width difference in the $D^0$-$\bar D^0$ system. Although there is no direct experimental evidence for CP-violation in $D$ mixing (yet), we show that the measured values of the width difference $y\sim ΔΓ$ already imply constraints on the CP-violating phase in $D$ mixing, which, if significantly different from zero, would be an unambiguous signal of new physics.
description: 9 pages; typos removed
Orbital Solution & Fundamental Parameters of sigma Scorpii
Creators: name: North, J. R.
name: Davis, J.
name: Tuthill, P. G.
name: Tango, W. J.
name: Robertson, J. G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The first orbital solution for the spectroscopic pair in the multiple star system sigma Scorpii, determined from measurements with the Sydney University Stellar Interferometer (SUSI), is presented. The primary component is of beta Cephei variable type and has been one of the most intensively studied examples of its class. The orbital solution, when combined with radial velocity results found in the literature, yields a distance of 174(+23,-18) pc, which is consistent with, but more accurate than the Hipparcos value. For the primary component we determine 18.4+/-5.4 M_sun, -4.12+/-0.34 mag and 12.7+/-1.8 R_sun for the mass, absolute visual magnitude and radius respectively. A B1 dwarf spectral type and luminosity class for the secondary is proposed from the mass determination of 11.9+/-3.1 M_sun and the estimated system age of 10 Myr.
description: 4 figures, 5 tables, to appear in MNRAS
A non-local fluid closure for modeling cyclotron resonance in collisionless magnetized plasmas
Creators: name: Jikei, Taiki
name: Amano, Takanobu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: A fluid description for collisionless magnetized plasmas that takes into account the effect of cyclotron resonance has been developed. Following the same approach as the Landau fluid closure, the heat flux components associated with transverse electromagnetic fluctuations are approximated by a linear combination of lower-order moments in wavenumber space. The closure successfully reproduces the linear cyclotron resonance for electromagnetic waves propagating parallel to the ambient magnetic field. In the presence of finite temperature anisotropy, the model gives approximately correct prediction for an instability destabilized via the cyclotron resonance. A nonlinear simulation demonstrates the wave growth consistent with the linear theory followed by the reduction of initial anisotropy, and finally, the saturation of the instability. The isotropization may be understood in terms of quasi-linear theory, which is developed within the framework of the fluid model but very similar to its fully kinetic counterpart. The result indicates that both linear and nonlinear collisionless plasma responses are approximately incorporated in the fluid model.
description: 9 pages, 8 figures
A Parameter Space Exploration of the Minimal SU(5) Unification
Creators: name: Doršner, Ilja
name: Džaferović-Mašić, Emina
name: Saad, Shaikh
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present phenomenological study of the most minimal realistic $SU(5)$ model that owns its predictivity solely to the gauge symmetry and the representational content. The model is built entirely out of the fields residing in the first five lowest dimensional representations that transform non-trivially under the $SU(5)$ gauge group. It has eighteen real parameters and fourteen phases, all in all, to address experimental observables of the Standard Model fermions and accomplishes that via simultaneous use of three different mass generation mechanisms. Furthermore, it inextricably links the origin of the neutrino mass to the experimentally observed difference between the down-type quark and charged lepton masses. The main predictions of the model are that $(i)$ the neutrinos are Majorana particles, $(ii)$ one neutrino is massless, $(iii)$ the neutrinos have normal mass ordering, and $(iv)$ there are four new scalar multiplets at or below a $120$ TeV mass scale. A one-loop analysis demonstrates that an improvement of the current $p \rightarrow π^0 e^+$ partial lifetime limit by a factor of $2$, $15$, and $96$ would require these four scalar multiplets to reside at or below the $100$ TeV, $10$ TeV, and $1$ TeV mass scales, respectively.
description: 20 pages + references, 3 figures; accepted in Physical Review D (PRD); version to appear in PRD
PARTHENOS White Paper II: Share — Publish — Store — Preserve. Methodologies, Tools and Challenges for 3D Use in Social Sciences and Humanities. This White Paper is the result of the PARTHENOS Workshop held in Marseilles at MAP Lab. (France), February 25th - February 27th, 2019.
Creators: name: Alaoui M'Darhri, Anas
name: Baillet, Vincent
name: Bourineau, Bastian
name: Calantropio, Alessio
name: Carpentiero, Gabriella
name: Chayani, Mehdi
name: De Luca, Livio
name: Dudek, Iwona
name: Dutailly, Bruno
name: Gautier, Hélène
name: Grilli, Eleonora
name: Grimaud, Valentin
name: Hoffmann, Christoph
name: Joffres, Adeline
name: Jončić, Nenad
name: Jordan, Michel
name: Kimball, Justin
name: Manuel, Adeline
name: McInerney
name: Muñoz Pandiella, Imanol
name: Neroulidis, Ariane
name: Nocerino, Erica
name: Pamart, Anthony
name: Papadopoulos, Costas
name: Potenziani, Marco
name: Saubestre, Emilie
name: Scopigno, Roberto
name: Seillier, Dorian
name: Tournon-Valiente, Sarah
name: Trognitz, Martina
name: Vallet, Jean-Marc
name: Zuanni, Chiara
Publisher: name: Zenodo
Year: 2019
Subjects: subject: share
subject: publish
subject: store
subject: preserve
subject: methodology
subject: 3D use
subject: 3D
subject: Social Sciences
subject: Humanities
subject: FOS: Humanities

description: Through this White Paper, which gathers contributions from experts of 3D data as well as professionals concerned with the interoperability and sustainability of 3D research data, the PARTHENOS project aims at highlighting some of the current issues they have to face, with possible specific points according to the discipline, and potential practices and methodologies to deal with these issues.

During the workshop, several tools to deal with these issues have been introduced and confronted with the participants experiences, this White Paper now intends to go further by also integrating participants feedbacks and suggestions of potential improvements.

Therefore, even if the focus is put on specific tools, the main goal is to contribute to the development of standardized good practices related to the sharing, publication, storage and long-term preservation of 3D data.
Entanglement and Irreversibility in the Approach to Thermal Equilibrium
Creators: name: Scarani, Valerio
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: When a physical system is put in contact with a very large thermal bath, it undergoes a dissipative (i.e., an apparently irreversible) process that leads to thermal equilibrium. This dynamical process can be described fully within quantum physics, involving only unitary, therefore reversible, maps. The information, initially present in the system, is not erased, but is diluted in the bath because of entanglement. Irreversibility may arise if, after quantum information has been thus diluted, some classical information is lost. This paper reviews a model for thermalization that displays these features. Two new analytical results are provided for the zero-temperature channels: a new quantitative measure of entanglement, and a study of irreversibility in the case where the lost classical information is the label of the particles in the bath.
description: To appear in EPJST, Proceedings of "Thermal Transport and Relaxation: Foundation and Perspectives" (Bad Honnef, January 2007)
Medium-term predictions of F10.7 and F30 cm solar radio flux with the adaptive Kalman filter
Creators: name: Petrova, Elena
name: Podladchikova, Tatiana
name: Veronig, Astrid M.
name: Lemmens, Stijn
name: Virgili, Benjamin Bastida
name: Flohrer, Tim
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences
subject: G.4
subject: 85-08

description: The solar radio flux at F10.7 cm and F30 cm is required by most models characterizing the state of the Earth's upper atmosphere, such as the thermosphere and ionosphere to specify satellite orbits, re-entry services, collision avoidance maneuvers and modeling of space debris evolution. We develop a method called RESONANCE ("Radio Emissions from the Sun: ONline ANalytical Computer-aided Estimator") for the prediction of the 13-month smoothed monthly mean F10.7 and F30 indices 1-24 months ahead. The prediction algorithm includes three steps. First, we apply a 13-month optimized running mean technique to effectively reduce the noise in the radio flux data. Second, we provide initial predictions of the F10.7 and F30 indices using the McNish-Lincoln method. Finally, we improve these initial predictions by developing an adaptive Kalman filter with the error statistics identification. The root-mean-square-error of predictions with lead times from 1 to 24 months is 5-27 sfu for the F10.7 and 3-16 sfu for F30 index, which statistically outperforms current algorithms in use. The proposed approach based on Kalman filter is universal and can be applied to improve the initial predictions of a process under study provided by any other forecasting method. Furthermore, we present a systematic evaluation of re-entry forecast as an application to test the performance of F10.7 predictions on past ESA re-entry campaigns for payloads, rocket bodies, and space debris that re-entered from June 2006 to June 2019. The test results demonstrate that the predictions obtained by RESONANCE in general also lead to improvements in the forecasts of re-entry epochs.
description: 28 pages, 15 figures, accepted for publication in the Astrophysical Journal Supplement Series
Towards security recommendations for public-key infrastructures for production environments in the post-quantum era
Creators: name: Yunakovsky, S. E.
name: Kot, M.
name: Pozhar, N. O.
name: Nabokov, D.
name: Kudinov, M. A.
name: Guglya, A.
name: Kiktenko, E. O.
name: Kolycheva, E.
name: Borisov, A.
name: Fedorov, A. K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Cryptography and Security (cs.CR)
subject: Computers and Society (cs.CY)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Quantum computing technologies pose a significant threat to the currently employed public-key cryptography protocols. In this paper, we discuss the impact of the quantum threat on public key infrastructures (PKIs), which are used as a part of security systems for protecting production environments. We analyze security issues of existing models with a focus on requirements for a fast transition to post-quantum solutions. Although our primary focus is on the attacks with quantum computing, we also discuss some security issues that are not directly related to the used cryptographic algorithms but are essential for the overall security of the PKI. We attempt to provide a set of security recommendations regarding the PKI from the viewpoints of attacks with quantum computers.
description: 24 pages, 1 figure
Constructing angular distributions of neutrinos in core collapse supernova from zero-th and first moments calibrated by full Boltzmann neutrino transport
Creators: name: Nagakura, Hiroki
name: Johns, Lucas
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Two-moment neutrino transport methods have been widely used for developing theoretical models of core-collapse supernova (CCSN), since they substantially reduce the computational burden inherent in the multi-dimensional neutrino-radiation hydrodynamical simulations. The approximation, however, comes at a price; the detailed structure of angular distribution of neutrinos is sacrificed, that is the main drawback of this approach. In this paper, we develop a novel method by which to construct angular distributions of neutrinos from the zero-th and first angular moments. In our method, the angular distribution is expressed with two quadratic functions of the neutrino angle in a piecewise fashion. We determine the best parameters in the fitting function by comparing to the neutrino data in a spherically symmetric CCSN model with full Boltzmann neutrino transport. We demonstrate the capability of our method by using our recent 2D CCSN model. We find that the essential features of the angular distributions can be well reconstructed, whereas the angular distributions of incoming neutrinos tend to have large errors that increase with flux factor ($κ$). This issue originates from the insensitiveness of incoming neutrinos to $κ$, that is an intrinsic limitation in moment methods. Based on the results of the demonstration, we assess the reliability of ELN-crossing searches with two-moment neutrino transport. This analysis is complementary to our another paper that scrutinizes the limitation of crossing searches with a few moments. We find that the systematic errors of angular distributions for incoming neutrinos lead to misjudgements of the crossing at $κ\gtrsim 0.5$. This casts doubt on the results of ELN-crossing searches based on two-moment methods in some previous studies.
description: Minor corrections were made in Figs. (Accepted to PRD)
CONDUTA DO PODER JUDICIÁRIO FRENTE AOS CRIMES SOB A LEI 14.133/2021: ANÁLISE DOS PRINCÍPIOS CONSTITUCIONAIS ADMINISTRATIVOS
Creators: name: Consuêla Félix de Vasconcelos Neta
name: Francisco Leonardo Silva Neto
name: Gelsomina Maria Bignetti Veloso
name: José de Lima Albuquerque
Publisher: name: Zenodo
Year: 2023

description: RESUMO

O presente artigo trata da atuação do Poder Judiciário nos processos que envolvem crime tipificados pela Lei 14.133/2021 como forma de preservação dos princípios constitucionais da Administração Pública. O objetivo geral foi analisar o papel do Poder Judiciário através de seus entendimentos sobre as alterações trazidas pela Lei nº 14.133/2021 no concernente aos crimes os quais envolvem os contratos administrativos e licitatórios para manter a conjuntura principiológica constitucional que rege a Administração Pública brasileira. Especificamente, objetivou-se: definir os axiomas principiológicos que norteiam a Administração Pública; descrever a importância do Poder Judiciário como instrumento democrático com enfoque na atuação relacionada aos procedimentos licitatórios; e relacionar a atuação do Poder Judiciário, através de decisões judiciais acerca de processos que envolvem crimes licitatórios, para demonstrar sua relevância na preservação dos princípios que sustentam a Administração Pública. O problema de pesquisa foi: como o Poder Judiciário contribui com a preservação dos princípios constitucionais que guiam a efetividade da Administração Pública através da atuação de identificação e processamento de crimes previstos na Lei nº 14.133/2021? A hipótese foi de que mediante a eficaz utilização do instrumento constitucional que é o Poder Judiciário, é possível fomentar a ética e a transparência dos processos que envolvem contratos administrativos e licitações para resguardar as boas práticas exigidas pela Administração Pública. Conclui-se que o Poder Judiciário é um instrumento singular e necessário para o combate aos crimes licitatórios, para a preservação dos princípios da Administração Pública e para a proteção do interesse público e da dignidade da pessoa humana.
Dynamical Casimir effect for gravitons in bouncing braneworlds
Creators: name: Ruser, Marcus
name: Durrer, Ruth
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider a two-brane system in a five-dimensional anti-de Sitter spacetime. We study particle creation due to the motion of the physical brane which first approaches the second static brane (contraction) and then recedes from it(expansion). The spectrum and the energy density of the generated gravitons are calculated. We show that the massless gravitons have a blue spectrum and that their energy density satisfies the nucleosynthesis bound with very mild constraints on the parameters. We also show that the Kaluza-Klein modes cannot provide the dark matter in an anti-de-Sitter braneworld. However, for natural choices of parameters, backreaction from the Kaluza-Klein gravitons may well become important. The main findings of this work have been published in the form of a Letter [R. Durrer and M. Ruser, Phys. Rev. Lett. 99, 071601 (2007), arXiv:0704.0756].
description: 40 pages, 34 figures, improved and extended version, matches published version
LPF: A Language-Prior Feedback Objective Function for De-biased Visual Question Answering
Creators: name: Liang, Zujie
name: Hu, Haifeng
name: Zhu, Jiaying
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Most existing Visual Question Answering (VQA) systems tend to overly rely on language bias and hence fail to reason from the visual clue. To address this issue, we propose a novel Language-Prior Feedback (LPF) objective function, to re-balance the proportion of each answer's loss value in the total VQA loss. The LPF firstly calculates a modulating factor to determine the language bias using a question-only branch. Then, the LPF assigns a self-adaptive weight to each training sample in the training process. With this reweighting mechanism, the LPF ensures that the total VQA loss can be reshaped to a more balanced form. By this means, the samples that require certain visual information to predict will be efficiently used during training. Our method is simple to implement, model-agnostic, and end-to-end trainable. We conduct extensive experiments and the results show that the LPF (1) brings a significant improvement over various VQA models, (2) achieves competitive performance on the bias-sensitive VQA-CP v2 benchmark.
description: Accepted by ACM SIGIR 2021