Results 251 to 260 of about 4,995,991 (287)
Intertwined nematic and <i>d</i>-wave superconductive orders in optimally doped La<sub>1.84</sub>Sr<sub>0.16</sub>CuO<sub>4</sub> thin films. [PDF]
Natl Sci RevChen G, Zhang Y, Xi G, Shen J, Wu J.
europepmc +1 more source
Aperiodicity in Low Dimensions. [PDF]
Materials (Basel)Avramov PV, Tian H, Li L.
europepmc +1 more source
Generalized global symmetries [PDF]
Journal of High Energy Physics, 2015 A q-form global symmetry is a global symmetry for which the charged operators are of space-time dimension q; e.g. Wilson lines, surface defects, etc., and the charged excitations have q spatial dimensions; e.g. strings, membranes, etc.
Brian Willett +2 more
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Noninvertible Global Symmetries in the Standard Model
Physical Review Letters, 2022 We identify infinitely many non-invertible generalized global symmetries in QED and QCD for the real world in the massless limit. In QED, while there is no conserved Noether current for the $U(1)_\text{A}$ axial symmetry because of the ABJ anomaly, for every rational angle $2πp/N$, we construct a conserved and gauge-invariant topological symmetry ...
Yichul Choi, Shu-Heng Shao, Ho Tat Lam
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Perceptual and Motor Skills, 1977
Two experimental approaches examined observers' ability to characterize shape symmetry based upon the information obtained within a single fixation. Exp. I tested observers' ability to discriminate among three levels of symmetry on the basis of a 25-msec. presentation.
D P, Carmody, C F, Nodine, P J, Locher
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Two experimental approaches examined observers' ability to characterize shape symmetry based upon the information obtained within a single fixation. Exp. I tested observers' ability to discriminate among three levels of symmetry on the basis of a 25-msec. presentation.
D P, Carmody, C F, Nodine, P J, Locher
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Pyramid symmetry transforms: From local to global symmetry
Image and Vision Computing, 2007Pyramid computation is a natural paradigm of computation in planning strategies and multi-resolution image analysis. This paper introduces a new paradigm that is based on the concept of soft-hierarchical operators implemented in pyramid architecture to retrieve global versus local symmetries.
ZAVIDOVIQUE B, DI GESU', Vito
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Symmetries and global transport equations
Physics of Fluids B: Plasma Physics, 1991The anomalous transport of the electron thermal energy and that of the longitudinal current density are related to each other and described by a diffusion matrix equation. The symmetry properties of the matrix diffusion coefficients are identified and used to prescribe realistic conditions on the radial profiles of the electron temperature T and of the
COPPI B, PEGORARO, FRANCESCO
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Exactly marginal deformations and global symmetries [PDF]
Journal of High Energy Physics, 2010 We study the problem of finding exactly marginal deformations of N=1 superconformal field theories in four dimensions. We find that the only way a marginal chiral operator can become not exactly marginal is for it to combine with a conserved current multiplet.
Yuji Tachikawa +2 more
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Global Intrinsic Symmetries of Shapes
Computer Graphics Forum, 2008AbstractAlthough considerable attention in recent years has been given to the problem of symmetry detection in general shapes, few methods have been developed that aim to detect and quantify the intrinsic symmetry of a shape rather than its extrinsic, or pose‐dependent symmetry.
Maks Ovsjanikov +2 more
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