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"Formalism"
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Photography is magic
Contains images by Michele Abeles, Takaaki Akaishi, Lotta Antonsson, Walead Beshty, Lucas Blalock,Andrey Bogush, Brian Bress, Bianca Brunner, Stefan Burger, Antoine Catala, Phil Chang, Talia Chetrit, Joshua Citarella, Sara Cwynar, Bryan Dooley, Jessica Eaton, Shannon Ebner, Marten Elder, Jason Evans,Sam Falls, Brendan Fowler, Victoria Fu,Daniel Gordon, Darren Harvey-Regan, Leslie Hewitt, Nancy de Holl, John Houck, Go Itami, Rachel de Joode, Farrah Karapetian, Matt Keegan, Annette Kelm, Soo Kim, Yuki Kimura, Josh Kline, Lucas Knipscher,Owen Kydd, Josh Kolbo, Taisuke Koyama,Nico Krebs and Taiyo Onorato, EladLassry, Brandon Lattu, John Lehr, Anthony Lepore, Alexandra Leykauf, Matt Lipps, Florian Maier-Aichen, Phillip Maisel, Annie MacDonell, Emmeline de Mooij, Carter Mull, Nerhol (Ryuta Iida and YoshihisaTanaka), Katja Novitskova, Arthur Ou, Matthew Porter, Timur Si-Qin, Eileen Quinlan, Jon Rafman, Sean Raspet, Clunie Reid, Abigail Reynolds, Will Rogan, Asha Schechter, Hugh Scott-Douglas, Shirana Shahbazi, Daniel Shea, Erin Shirreff, Elisa Sighicelli, Brea Souders, Kate Steciw, BatiaSuter, Yosuke Takeda, Miguel Angel Tornero,Sara VanDerBeek, Artie Vierkant, Anne deVries, Hannah Whitaker, Charlie White, Lindsey White, Chris Wiley, Letha Wilson, and Amir Zaki.
Book
Introduction to cognitive action theory
Incorporating a conscious 1st person observer in scientific theories has been hampered by the lack of physically viable mind/body models. I will present a Cognitive Action Theory (CAT) model of an integrated mind/body system and identify the process of creating conscious experience as the basic building block of reality. This building block is a cyclic process in time, connecting the 1st-person experience with its 3rd-person physical models so that conscious phenomena are possible. We therefore propose a fundamental shift to consider what we do to be conscious as an a-priory activity that must be happening for us to be able to ask the question, \"How can conscious beings exist in our physical world?\" This activity contains both qualia and an explanation to produce what Archibald Wheeler described as a self measuring explanatory cycle. At this level of definition such a cycle of activity can accommodate any belief system defining physical reality as an explanation for personal experience and therefore provides a framework which accommodates most scientific and spiritual traditions. However visualizing abstract activity as the motion of masses and charges that together compose matter allows us to couple what we do to the formalism of classic physics thus describing a Reality of interacting events. Such a theory integrates the subjective and objective aspect of our experience in a single physical framework, reducing to the linear quantum formalism when the motions involved are small enough to be reversible.
Journal Article
Mannerist fiction : pathologies of space from Rabelais to Pynchon
Big people and little people : two cases of disproportion. Rabelais and Mannerism ; Swift and commensuratio -- Pathologies of deformation : Jonson, Sade, Pynchon. Narcissism : Jonson and the disfigured self ; Sade and the deformed body ; Hysteria : Pynchon's cartoon space -- Back to the future : From Picasso to Aristotle. Modernism and Mannerism ; Space and time for the ancients.
Book
Boole and Frechet probabilistic inequalities and the Grothendieck formalism in a single quantum system
Known results for multi-particle entangled systems that link the Grothendieck formalism with the violation of Bell-like inequalities, are generalised to a single quantum system. The Frechet probabilistic inequalities in a single quantum system, are the analogue of Bell-like inequalities in an entangled multipartite system. Kolmogorov probabilities obey Boole’s inequality and the Frechet probabilistic inequalities, but quantum probabilities violate them. Through examples, a link is made between the violation of these inequalities and the Grothendieck formalism in a single quantum system.
Journal Article
Quantum dynamics of propagating photons with strong interactions: a generalized input-output formalism
There has been rapid development of systems that yield strong interactions between freely propagating photons in one-dimension via controlled coupling to quantum emitters. This raises interesting possibilities such as quantum information processing with photons or quantum many-body states of light, but treating such systems generally remains a difficult task theoretically. Here, we describe a novel technique in which the dynamics and correlations of a few photons can be exactly calculated, based upon knowledge of the initial photonic state and the solution of the reduced effective dynamics of the quantum emitters alone. We show that this generalized 'input-output' formalism allows for a straightforward numerical implementation regardless of system details, such as emitter positions, external driving, and level structure. As a specific example, we apply our technique to show how atomic systems with infinite-range interactions and under conditions of electromagnetically induced transparency enable the selective transmission of correlated multi-photon states.
Journal Article
Plane Wave Backgrounds in the Worldline Formalism
Plane-wave backgrounds play a special role in strong-field QED as non-trivial field configuration simple enough to be treated analytically whilst still leading to rich physical consequences. In vacuum and in constant backgrounds, the first quantised, string-inspired “Worldline Approach” to field theoryoffers substantial simplifications and calculational efficiency. We present a new, general approach to incorporating plane wave backgrounds into the Worldline Formalism extending initial work by Ilderton and Torgrimsson. The method uses resummation techniques to take the background into account non-perturbatively and yields “Master Formulae” for scattering amplitudes in the background that may offer an alternative tool to studying QED in plane waves as has been achieved in the constant field case.
Journal Article
Three-point functions from integrability in \\documentclass12pt{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$\\mathcal{N}=2$$\\end{document} orbifold theories
Besides solving the spectral problem of Super-Yang-Mills (SYM) theory, integrability also provides us with tools to compute the structure constants of the theory, most prominently through the hexagon formalism. We show that, with minor modifications, this formalism can also be applied to orbifolds of SYM theory, which are integrable theories in their own right. To substantiate this claim, we test our results against a direct gauge-theory calculation at tree-level. We focus here on a family of supersymmetric -orbifold theories. BPS correlators in these theories have recently been investigated with independent localisation techniques and a structural matching with wrapping corrections in the hexagon formalism was observed. Together with our weak-coupling evidence, this suggests that a full determination of the structure constants of orbifold theories at finite coupling may be within reach.
Journal Article
Conformal Graph Directed Markov Systems on Carnot Groups
We develop a comprehensive theory of conformal graph directed Markov systems in the non-Riemannian setting of Carnot groups equipped
with a sub-Riemannian metric. In particular, we develop the thermodynamic formalism and show that, under natural hypotheses, the limit
set of an Carnot conformal GDMS has Hausdorff dimension given by Bowen’s parameter. We illustrate our results for a variety of examples
of both linear and nonlinear iterated function systems and graph directed Markov systems in such sub-Riemannian spaces. These include
the Heisenberg continued fractions introduced by Lukyanenko and Vandehey as well as Kleinian and Schottky groups associated to the
non-real classical rank one hyperbolic spaces.
eBook
Fusion of 16O + 60Ni and 18O + 58Ni reactions
The fusion of 16O + 60Ni and 18O + 58Ni systems are examined by opting SAGBD formalism. Wong estimations are appreciably deviated from experimental results and this suggests the importance of intrinsic channels. Therefore, influences of dominant channels for 16O + 60Ni and 18O + 58Ni in SAGBD model are empirically included via Gaussian type of weight function in Wong formula. Hence, present formalism adequately explains the fusion of 16O + 60Ni and 18O + 58Ni systems.
Journal Article