
III. Ecosmos: A Revolutionary Fertile, Habitable, SolarBioplanet, Incubator LifescapeE. Systems Cosmology: Fractal SpaceTimeMatter Grudic, Michael and Philip Hopkins. The Opacity Limit. arxiv:2308.16268. As Carnegie Observatories and CalTecn astronomers describe a dense theoretical finesse, they also provide another vivid affirmation which stands as an seamless extension of nature's univeral scalar geometries. With Miguel AragonCalvo, et al, the early inklings of the 2000s by now stretch wide and deep across the celestial raiment, as a major Earthwise vista. The opacity limit is an important concept in star formation: isothermal collapse cannot proceed without limit, because eventually cooling radiation is trapped and the temperature rises quasiadiabatically, setting a minimum Jeans mass. We derive expressions for the thermal evolution of dustcooled collapsing gas clumps in various limiting cases, and a general powerlaw dust opacity law. (Excerpt) Guszejnov, David, et al. Universal Scaling Relations in ScaleFree Structure Formation. arXiv:1707.05799. Reviewed more in Mid 2010s Universality, whereof a sophisticated cosmic science by Cal Tech astrophysicists affirms a pervasive, natural interstellar selfsimilarity. Halasz, Gabor, et al. Fracton Topological Phases from Strongly Coupled Spin Chains. arXiv:1707.02308. UC Santa Barbara, Kavli Institute, theorists press this intricate mathematical discernment of quantum structures. We quote the opening paragraph as to convey this initial phase of mapping a frontier expanse which is just opening. See also, e.g., Fracton Models on General ThreeDimensional Manifolds at 1712.05892 for more exposition. Fracton topological phases are topologically ordered phases in three dimensions with a particularly extreme form of fractionalization. In these phases, there are pointlike excitations that are either completely immobile or only mobile in a lowerdimensional subsystem, such as an appropriate line or plane. Remarkably, the restricted mobility of excitations has a purely topological origin and appears in translationinvariant systems without any disorder. In addition to being of fundamental interest from the perspective of topological phases, and providing an exciting disorderfree alternative to manybody localization, this phenomenology has important implications for quantuminformation storage. Indeed, the immobility of excitations makes encoded quantum information more stable at finite temperature than in conventional topologically ordered phases. (1) Hnat, Bogdan, et al. ScaleFree Texture of the Fast Solar Wind. Physical Review E. 84/065401, 2011. University of Warwick, Coventry, Ilia State University, Tbilisi, and Imperial College, London, astrophysicists further quantify the nebulous realms of stellar fractal galaxies. See also “On the Fractal Nature of the Magnetic Field Energy Density in the Solar Wind” in Geophysical Research Letters (34/L15108, 2007). The higherorder statistics of magnetic field magnitude fluctuations in the fast quiet solar wind are quantified systematically, scale by scale. We find a single global nonGaussian scalefree behavior from minutes to over 5 h. This spans the signature of an inertial range of magnetohydrodynamic turbulence and a ~ 1/f range in magnetic field components. This global scaling in field magnitude fluctuations is an intrinsic component of the underlying texture of the solar wind and puts a strong constraint on any theory of solar corona and the heliosphere. Intriguingly, the magnetic field and velocity components show scaledependent dynamic alignment outside of the inertial range. (065401) Ijjas, Anna, et al. ScaleFree Primordial Cosmology. arXiv:1309.4480. Online September 2013, Iggas, Max Planck Institute for Gravitational Physics, with Paul Steinhardt, Princeton University, and Abraham Loeb, HarvardSmithsonian Center for Astrophysics, contend that European Space Agency, Planck microwave satellite, 2013 measurements “…showed with high precision that the spectrum of primordial density fluctuations is nearly scaleinvariant.” These results are seen to confirm a “scalefreeness” that has been predicted for some forty years. A popular piece “PopUp Universe” in New Scientist (October 5, 2013) notes that these results call the various theories of an inflationary burst of the initial cosmos into some question. A rebuttal by original theorists Alan Guth, et al was posted at arXiv:1312.7619 in December 2013. The largescale structure of the universe suggests that the physics underlying its early evolution is scalefree. This was the historic motivation for the HarrisonZel'dovichPeebles spectrum and for inflation. Based on a hydrodynamical approach, we identify scalefree forms for the background equationofstate for both inflationary and cyclic scenarios and use these forms to derive predictions for the spectral tilt and tensortoscalar ratio of primordial density perturbations. For the case of inflation, we find three classes of scalefree models with distinct predictions. Including all classes, we show that scalefree inflation predicts tensortoscalar ratio r > 104. We show that the observationally favored class is theoretically disfavored because it suffers from an initial conditions problem and the hydrodynamical form of an unlikeliness problem similar to that identified recently for certain inflation potentials. We contrast these results with those for scalefree cyclic models. (Abstract) Iovane, G., et al. Stochastic SelfSimilar and Fractal Universe. Chaos, Solitons & Fractals. 20/3, 2004. The authors provide a detailed mathematical analysis said to explain a universally recurrent pattern and dynamics at every emergent domain. Consequently the Universe, with its structures at all scales (atomic nucleus, organic cell, human, planet, solar system, galaxy, clusters of galaxy, super clusters of galaxy), could have a fundamental quantum reason. (415) This means that Nature manifests itself through its relativistic quantum fractal geometry aspects. (424) Our conclusion is that the fractal power law suggests a fractal Universe. Therefore we can state that nature uses the language of a relativistic, quantum and fractal geometry. (425) Jarboe, Thomas, et al. SelfOrganization of Solar Magnetic Fields. arXiv:1807.09593. We cite this entry by nine University of Washington astrophysicists for its content, and also to make a point, which ought to be strongly put, that these formative stellar forces come from the same natural, independent source as those which organize life’s origin, cellular activities, our brains and linguistic societies. They strongly imply, as this universality becomes filled in, a single, common program, aka a uniVerse to human epitome cosmome code. Selforganization properties of sustained magnetized plasma are applied to solar data to understand solar magnetic fields. Torsional oscillations are speedup and slowdown bands of the azimuthal flow that correlate with the solar cycle, and they imply the existence of a symmetric solar dynamo. The dynamo has enough power to heat the chromosphere and to power the corona and the solar wind. (Abstract brief) Jones, Bernard, et al. Scaling Laws in the Distribution of Galaxies. Reviews of Modern Physics. 76/4, 2004. An extensive technical paper with coauthors Vicent Martinez, Enn Saar and Virginia Trimble. The phenomenon of a worldwide humankind explores and discovers an inherently variegated, clustered, selfsimilar universe from which it arose. In describing scaling laws it is helpful to make analogies with fractals, mathematical constructs that can possess a wide variety of scaling properties. We must beware, however, of saying that the universe is a fractal on some range of scales: it merely exhibits a specific kind of fractallike behavior on those scales. The richness of fractal scaling behavior is an important supplement to the usual battery of statistical descriptors. (Abstract, 1211) The aim of this article is to show how the paradigm of a homogeneous and isotropic universe with a hot singular origin has emerged, and to explain how, within this framework, we can quantify and understand the growth of the large scale cosmic structure. (1213) This scaling is almost certainly a consequence of two factors: the nature of the initial conditions for cosmic structure formation and the fact that the gravitational force law is itself scalefree. (1215) Kempkes, Sander, et al. Design and Characterization of Electrons in a Fractal Geometry. Nature Physics. 17/2, 2019. As the Abstract details, Utrecht University physicists deftly show how even atoms and electrons, in their dynamic forms, naturally take on this iterative patterning. We offer two comments. When this section was first posted in 2004, the presence of a common, natural selfsimilarity was spurious and patchy. Fifteen years later it has become robustly evident that every universal, atomic, and animate complexity is graced by this infinite iteration. Whomever in the cosmos are we peoples to consider and begin a second materiality by way of “artificial atoms.” See also in the same issue Quantum Fractals by Dario Bercioux and Ainhoa Iriguez. Here, we show how arrays of artificial atoms can be defined by controlled positioning of CO molecules on a Cu (111) surface, and how these sites couple to form electronic Sierpiński fractals. We characterize the electron wavefunctions at different energies with scanning tunnelling microscopy and spectroscopy, and show that they inherit the fractional dimension. Wavefunctions delocalized over the Sierpiński structure decompose into selfsimilar parts at higher energy, and this scale invariance can also be retrieved in reciprocal space. Our results show that electronic quantum fractals can be artificially created by atomic manipulation in a scanning tunnelling microscope. Moreover, the rational concept of artificial atoms can readily be transferred to planar semiconductor electronics, allowing for the exploration of electrons in a welldefined fractal geometry, including interactions and external fields. (Abstract) korsaga, Marie, et al. Disk galaxies are selfsimilar: the universality of the HtheItoHalo mass ratio for isolated disks7. arXiv:2307.01035. A worldwide group at University of Strasbourg, CNRS, Universite Joseph KiZerbo, Burkina Faso, Instituto de Astrofısica de Canarias and Universidad de La Laguna, Spain post a further quantified finesse of these celestial topologies repeat in kind at every state and scale. Observed scaling relations in galaxies between baryons and dark matter provide insights on the process of galaxy formation. Here, we study the scaling relation between the neutral hydrogen (HI) and dark matter mass in rotating disk galaxies. Wet show that prior formation models predict the HItodark halo mass ratio to decrease with stellar mass We then infer dark matter halo masses from rotation curve data for disk galaxies in the local Universe, and report the universality of the HItodark halo mass ratio. Our result reveals that isolated galaxies with regularly rotating extended HI disks are surprisingly selfsimilar up to high masses, which hints at massindependent selfregulation mechanisms that have yet to be fully understood. (Excerpt) Krioukov, Dmitri, et al. Network Cosmology. Nature Scientific Reports. 2/793, November, 2012. On occasion, a paper comes along of such unique, meritous content that it bodes for a significant breakthrough and synthesis. A team of five University of California, San Diego, systems scientists with Marian Boguna, a University of Barcelona physicist, proceed via sophisticated quantifications to discern the same nonlinear dynamics that infuse from proteins to cities within celestial topological networks. Its technical acumen and depth requires several excerpts. For example, Figure 2, “Mapping between the de Sitter universe and complex networks” illustrates many isomorphic affinities. As per Figure 4, “Degree distribution and clustering in complex networks and space time,” Internet, social network, brain anatomy, and hyperbolic spatial lineaments all graph on the same line, indicating common node and link geometries. As the quotes allude, a grand unification of universe, life, cognition, and humankind could be in the offing, a nascent witness of a biological genesis uniVerse. Prediction and control of the dynamics of complex networks is a central problem in network science. Structural and dynamical similarities of different real networks suggest that some universal laws might accurately describe the dynamics of these networks, albeit the nature and common origin of such laws remain elusive. Here we show that the causal network representing the largescale structure of spacetime in our accelerating universe is a powerlaw graph with strong clustering, similar to many complex networks such as the Internet, social, or biological networks. We prove that this structural similarity is a consequence of the asymptotic equivalence between the largescale growth dynamics of complex networks and causal networks. This equivalence suggests that unexpectedly similar laws govern the dynamics of complex networks and spacetime in the universe, with implications to network science and cosmology. (Abstract) Kroger, Helmut, ed. Fractal Geometry in Quantum Physics. Chaos, Solitons & Fractals. 14/6, 2002. A special issue to explore the pervasive selfsimilarity of nature from subatomic to galactic realms.
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