... and situated around the elliptical host galaxy. These superdisks, or fat pancakes, appear to have a typical ... its hot coronal gas. Observational manifestations of the superdisks include the sharp, quasi-linear, edges of the ... radio galaxies with z > 1.8, evidence for superdisks is based on the apparent asymmetry of diffuse ... hence not obscured by the dust in the superdisk. Superdisks can provide more consistent explanations for some of ... distant radio galaxies. Additional methods of searching for superdisks and testing this scenario are proposed.
Tópico(s): Astrophysics and Star Formation Studies
2000 - IOP Publishing | The Astrophysical Journal
Etsuko Kitabatake, Jun Fukue, Katsura Matsumoto,
... and the surface temperature $ T$ of such a superdisk with a superwind is very similar to those of a superdisk without winds; $ H \propto r$ and $ T \propto ... in space. Hence, the observational appearances of both superdisks are quite similar, except for the existence of ... exceeds the critical rate. We then apply a superdisk with a superwind to supersoft X-ray sources. ... edge of the disk and a sufficiently thick superdisk may be established, most of the gas is ...
Tópico(s): High-pressure geophysics and materials
2002 - Oxford University Press | Publications of the Astronomical Society of Japan
Keishi Hanamoto, Masayuki Ioroi, Jun Fukue,
We examine Hoyle–Lyttleton accretion onto superdisks, where the mass-accretion rate greatly exceeds the critical one and the luminosity is of the order of the Eddington one. Hoyle– ... one. We found that Hoyle-Lyttleton accretion onto superdisks is not a simple extension of that onto ... increasing $ \Gamma$. Instead, in the case of a superdisk, the mass-accretion rate increases with increasing $ \Gamma$. ... contrast to the infinitesimally-thin standard disk, the superdisk has finite thickness. As $ \Gamma$ increases, the relative ...
Tópico(s): High-pressure geophysics and materials
2001 - Oxford University Press | Publications of the Astronomical Society of Japan
... the turn of the millennium, supercritical accretion disks (superdisks), where the mass-accretion rate highly exceeds the ... irradiation, self-occultation, continuous and line spectra of superdisks, and found various distinct features of superdisks. Due to self-irradiation, the effective flux is ... depending on the relative disk thickness. For a superdisk with finite thickness, the flux at infinity is ... line spectra have symmetrical double peaks. In the superdisk, however, the line spectra become asymmetric with strong ...
Tópico(s): Pesticide Residue Analysis and Safety
2000 - Oxford University Press | Publications of the Astronomical Society of Japan
B. Balmaverde, A. Capetti, R. D. Baldi, Stefi A. Baum, M. Chiaberge, R. Gilli, A. Jimenez-Gallardo, A. Marconi, F. Massaro, Eileen T. Meyer, C. P. O’Dea, G. Speranza, E. Torresi, Giacomo Venturi,
... line structures appear to be associated with gaseous "superdisks" formed after a gas rich merger. The different ... source evolutionary state and the orientation of the "superdisk" with respect to the radio axis. The general alignment between the superdisks and radio axis might be produced by stable ...
Tópico(s): Astrophysical Phenomena and Observations
2022 - EDP Sciences | Astronomy and Astrophysics
Oleksandr Gromenko, Vladimir Privman,
... of the properties of the dense packing of "superdisks," by Y. Jiao, F. H. Stillinger and S. ... by these objects in random sequential adsorption. The superdisks are two-dimensional shapes bound by the curves ...
Tópico(s): Stochastic processes and statistical mechanics
2009 - American Physical Society | Physical Review E
Yang Jiao, Frank H. Stillinger, Salvatore Torquato,
... for the densest known two-dimensional packings of superdisks whose shapes are defined by |x{1}|{2p}+| ... we show that the broken rotational symmetry of superdisks influences the packing characteristics in a nontrivial way.
Tópico(s): Supramolecular Self-Assembly in Materials
2008 - American Physical Society | Physical Review Letters
... two radio lobes. This particular subset of the “superdisk” radio galaxies is chosen because of a highly ... two jets traverse highly unequal distances through the superdisk material. One thus has a possibility to directly ... propose a new explanation for the formation of superdisks through the merger of a smaller elliptical galaxy ... it to flatten into a fat pancake, or superdisk. The asymmetric location of the host galaxy can ...
Tópico(s): Astrophysics and Cosmic Phenomena
2008 - Elsevier BV | New Astronomy
Péter Gurin, Szabolcs Varga, Gerardo Odriozola,
... through replica-exchange Monte Carlo simulations of hard superdisks. The well-known melting scenarios are observed in ...
Tópico(s): Stochastic processes and statistical mechanics
2020 - American Physical Society | Physical review. E
Jianxiang Tian, Yaopengxiao Xu, Yang Jiao, Salvatore Torquato,
... of two-dimensional frictionless packings, namely, binary convex superdisks, with shapes that continuously interpolate between circles and ... on the theory. Similarly, for non-circular monodisperse superdisks, we predict MRJ states with densities that are ...
Tópico(s): Pickering emulsions and particle stabilization
2015 - Nature Portfolio | Scientific Reports
Chase E. Zachary, Yang Jiao, Salvatore Torquato,
... random jammed (MRJ) packings of hard ellipses and superdisks and show that these systems both possess vanishing ... MRJ packings directly extend to hard-ellipse and superdisk packings, thereby providing a direct structural explanation for ...
Tópico(s): Material Dynamics and Properties
2011 - American Physical Society | Physical Review E
Yang Jiao, Frank H. Stillinger, Salvatore Torquato,
... the maximally random jammed (MRJ) packings of binary superdisks and monodispersed superballs whose shapes are defined by ${|{ ... break their rotational symmetry, which also makes the superdisk and superball packings distinctly different from other known ...
Tópico(s): Mathematical Dynamics and Fractals
2010 - American Physical Society | Physical Review E
Branislav N. Aleksić, N. M. Švrakić, Milivoj R. Belić,
... simulation to study kinetics of deposition of oriented superdisks, bounded by the Lame curves of the form $| ...
Tópico(s): Advanced Thermodynamics and Statistical Mechanics
2013 - American Physical Society | Physical Review E
... which SS 433 consists of a geometrically thick superdisk around a compact star and a companion star ... binary mass ratio, the relative thickness of the superdisk, and the surface temperature of the companion. Combinations ...
Tópico(s): Pulsars and Gravitational Waves Research
2001 - Oxford University Press | Publications of the Astronomical Society of Japan
Laura Rossi, Vishal Soni, Douglas J. Ashton, David J. Pine, Albert P. Philipse, P. M. Chaikin, Marjolein Dijkstra, Stefano Sacanna, William T. M. Irvine,
... was recently predicted as the densest packing of superdisks. As the size of the depletant is reduced, ...
Tópico(s): Material Dynamics and Properties
2015 - National Academy of Sciences | Proceedings of the National Academy of Sciences
Yang Jiao, Frank H. Stillinger, Salvatore Torquato,
... similar to but richer than their two-dimensional ``superdisk'' counterparts [Y. Jiao et al., Phys. Rev. Lett. ...
Tópico(s): Pickering emulsions and particle stabilization
2009 - American Physical Society | Physical Review E
L. Gergely, Peter L. Biermann,
... We then identify the radio galaxies with a superdisk as those in which the rapidly precessing jet ...
Tópico(s): Galaxies: Formation, Evolution, Phenomena
2009 - IOP Publishing | The Astrophysical Journal
Vasilis Niarchos, Nikolaos Prezas,
... that this action is exactly equal to the superdisk worldsheet partition function as was recently conjectured.
Tópico(s): Quantum Chromodynamics and Particle Interactions
2001 - Elsevier BV | Nuclear Physics B
... 4 kpc. The position is within the 'central superdisk' of the Galaxy and is shown to be ...
Tópico(s): Stellar, planetary, and galactic studies
1979 - Institute of Physics | The Astronomical Journal
Abhijeet Anand, Nirupam Roy, Gopal‐Krishna,
Giant gaseous layers (termed "superdisk") have been hypothesized in the past to account for the strip-like radio emission gap (or straight-edged central brightness ... have been proposed for the origin of the superdisks, little is known about their material content. Some X-ray observations of superdisk candidates indicate the presence of hot gas, but ... image any neutral hydrogen gas present in the superdisks that are inferred to be present in four ... on the HI number density in the postulated superdisks, estimated directly from the central rms noise values ...
Tópico(s): Astrophysics and Star Formation Studies
2019 - IOP Publishing | Research in Astronomy and Astrophysics
... adequate. We thus propose a supercritical accretion disk (superdisk) for supersoft X-ray sources. We have found that superdisks exhibit various distinct features, compared with standard thin disks. The continuous spectra of superdisks generally become flat ($ \nu S_\nu \sim \nu^ ... X-ray sources, compared with that in the superdisk around a black hole, since the radial extension ... important for a smaller accretion rate system. The superdisk picture was applied to RX J0019.8+2156, ...
Tópico(s): Astrophysics and Cosmic Phenomena
2001 - Oxford University Press | Publications of the Astronomical Society of Japan
N. M. Švrakić, Branislav N. Aleksić, Milivoj R. Belić,
... late stage deposition of binary mixtures of oriented "superdisks" on a plane. Superdisks are objects bounded by Lamé curves |x|2p+| ... size and shape. For deposition of single-type superdisks, the maximum packing and jamming densities are known ... at p=0.5. For binary mixtures of superdisks, we discover that nonanalyticities form a locus of ...
Tópico(s): Stochastic processes and statistical mechanics
2015 - Elsevier BV | Physica A Statistical Mechanics and its Applications
... in a 6 kpc thick, 18-kpc diameter ‘superdisk’. The metal-abundance in the superdisk is about one-third that of the Sun, ... A preliminary explanation of the origin of the superdisk is that the collapse of the protogalaxy was ...
Tópico(s): Galaxies: Formation, Evolution, Phenomena
1974 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
Zhaohui Huang, Wei Deng, Ye Yuan, Lufeng Liu, Yutao Wang, Shuixiang Li,
... predictive model to estimate De for ellipses and superdisks. These results should constitute the foundation of 2D ...
Tópico(s): Spectroscopy and Quantum Chemical Studies
2021 - Elsevier BV | Powder Technology
Haoran Jiang, Reid Kawamoto, Takashi Matsushima,
This paper investigates the shear behavior of superdisk particles using the 2D level set discrete element method (LS-DEM). Specifically, dense samples of various superdisk shapes (blockiness $$n\in [2, 4]$$ ) were prepared ...
Tópico(s): Soil and Unsaturated Flow
2024 - Springer Nature | Lecture notes in civil engineering
Sakine Mizani, Martin Oettel, Péter Gurin, Szabolcs Varga,
... of a quasi-one-dimensional system of hard superdisks (anisotropic particles interpolating between disks and squares) where ...
Tópico(s): Cold Atom Physics and Bose-Einstein Condensates
2025 - SciPost.org | SciPost Physics Core
Mabel Rodríguez Mederos, Antonio Montes de Oca Sánchez de Bustamante, Juliemne Dorta Héctor,
... disks, as well as the less known zip, superdisk, syquest, jaz, and others. CDs and DVDs represent ...
Tópico(s): Libraries, Manuscripts, and Books
2002 - Editorial Ciencias Médicas | Acimed
... space. Although some educators know how to use SuperDisks, Zip disks, or CD-ROMs, not all classroom ...
Tópico(s): Experimental Learning in Engineering
2001 - Project Innovation Austin | Education