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AbstractAbstract
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Copyright (c) 1998 Society for Experimental Mechanics, Inc.; Country of input: International Atomic Energy Agency (IAEA)
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[en] It is shown that Ward's two-monopole ansatz possesses a non-linear (twisted) generalization of axial symmetry, and this symmetry is used to show that, for any finite value of the intrinsic parameter, the ansatz describes separated monopoles and is non-singular everywhere if it is non-singular on one of the coordinate planes. (orig.)
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Journal Article
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Phys. Lett., B; ISSN 0370-2693;
; v. 105(2/3); p. 177-181

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AbstractAbstract
No abstract available
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Available from http://dx.doi.org/10.1070/PU2003v046n11ABEH001671; Abstract only; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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Physics Uspekhi; ISSN 1063-7869;
; v. 46(11); p. 1209-1214

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Biswas, Debabrata; Singh, Gaurav; Sarkar, Shreya G.; Kumar, Raghwendra, E-mail: dbiswas@barc.gov.in
arXiv e-print [ PDF ]2018
arXiv e-print [ PDF ]2018
AbstractAbstract
[en] The field enhancement factor at the emitter tip and its variation in a close neighbourhood determines the emitter current in a Fowler–Nordheim like formulation. For an axially symmetric emitter with a smooth tip, it is shown that the variation can be accounted by a factor in appropriately defined normalized co-ordinates. This is shown analytically for a hemiellipsoidal emitter and confirmed numerically for other emitter shapes with locally quadratic tips.
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S0304399117302644; Available from http://dx.doi.org/10.1016/j.ultramic.2017.10.016; Copyright (c) 2017 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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Carrasco, Alberto; Mars, Marc, E-mail: acf@usal.es, E-mail: marc@usal.es2010
AbstractAbstract
[en] By considering suitable axially symmetric slices on the Kruskal spacetime, we construct a counterexample to a recent version of the Penrose inequality in terms of so-called generalized apparent horizons. (fast track communication)
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S0264-9381(10)37643-X; Available from http://dx.doi.org/10.1088/0264-9381/27/6/062001; Country of input: International Atomic Energy Agency (IAEA)
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[en] The instances of vortex ring evolving in confined domains is observed in biological and engineering flows. The evolution of a vortex ring inside a non-axisymmetric confinement and the effect of this confinement on the decay of the ring is investigated in this paper. A square confinement is chosen for this purpose. The effect of confinement ratio (CR), defined as the ratio of the diameter of vortex ring to the size of confinement, is studied in detail. The asymmetry caused by the confinement on the ring is noted by measuring its properties on two different planes, namely the Y-plane and the diagonal plane. The asymmetry on the vortex ring is qualitatively observed to be dependent on CR. (paper)
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Available from http://dx.doi.org/10.1088/1402-4896/ab1055; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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Physica Scripta (Online); ISSN 1402-4896;
; v. 94(8); [6 p.]

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AbstractAbstract
[en] A graphical method for the analysis of relaxation data is presented. It allows a fast estimation of the range of values of the components of the axially symmetric rotational diffusion tensor that are compatible with the experimental relaxation data. The graphical method clearly shows the contribution of different experimental relaxation parameters to the measured anisotropy. In particular, for proteins with moderate anisotropy, data from at least two N-H bonds forming angles close to 0 deg. and 90 deg. with respect to the principal axis of the rotational diffusional tensor are needed. For very anisotropic systems, combination of different relaxation parameters from a single residue is enough to characterize the local anisotropy
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Source
Copyright (c) 2001 Kluwer Academic Publishers; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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Journal of Biomolecular NMR; ISSN 0925-2738;
; v. 19(2); p. 181-185

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AbstractAbstract
[en] The relation between the black hole shadow and the black hole thermodynamics is investigated. We find that the phase structure can be reflected by the shadow radius for the spherically symmetric black hole. We also find that the shadow size gives correct information but the distortion of the shadow gives wrong information of the phase structure for the axially symmetric black hole.
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Available from: http://dx.doi.org/10.1140/epjc/s10052-020-8389-5; AID: 790
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Journal Article
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European Physical Journal. C, Particles and Fields (Online); ISSN 1434-6052;
; CODEN EPCFFB; v. 80(8); p. 1-9

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Birtea, Petre; Casu, Ioan; Comanescu, Dan, E-mail: birtea@math.uvt.ro, E-mail: casu@math.uvt.ro, E-mail: comanescu@math.uvt.ro
arXiv e-print [ PDF ]2011
arXiv e-print [ PDF ]2011
AbstractAbstract
[en] We give sufficient conditions for the rigid body in the presence of an axisymmetric force field and a gyroscopic torque to admit a Hamilton-Poisson formulation. Even if by adding a gyroscopic torque we initially lose one of the conserved Casimirs, we recover another conservation law as a Casimir function for a modified Poisson structure. We apply this frame to several well-known results in the literature. -- Highlights: → Gyroscopic torques and sufficient conditions for a Hamilton-Poisson formulation. → An algorithm to find a third constant of motion as a Casimir function. → A unitary framework that encompasses well-known gyroscopic torques from literature.
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S0375-9601(11)01198-4; Available from http://dx.doi.org/10.1016/j.physleta.2011.08.075; Copyright (c) 2011 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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Dzliev, S V; Pishchalev, K E, E-mail: DzlSV@mail.ru2019
AbstractAbstract
[en] The advantages and disadvantages of induction heating by high-frequency currents during large-sized parts mounting and dismounting are studied. The deviations of the temperature field and the deformation field of the part from the axial symmetry with the horizontal position of the shaft are analyzed. Recommendations were developed on how to take into account these deviations in the technology of mounting and dismounting of the retaining rings of turbogenerators. (paper)
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International Scientific Electric Power Conference; Saint Petersburg (Russian Federation); 23-24 May 2019; Available from http://dx.doi.org/10.1088/1757-899X/643/1/012017; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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Conference
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IOP Conference Series. Materials Science and Engineering (Online); ISSN 1757-899X;
; v. 643(1); [7 p.]

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