SCOAP3 Repository 7 records found  Search took 0.22 seconds. 
1. Black Holes: Insights and Enigmas / Sakalli, Izzet ; Guendelman, Eduardo ; Singleton, Douglas ; Mazharimousavi, S. Habib
Published in Advances in High Energy Physics 2018 (2018) 5874973 10.1155/2018/5874973
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2. Small dark energy and stable vacuum from Dilaton–Gauss–Bonnet coupling in TMT / Guendelman, Eduardo I. ; Nishino, Hitoshi ; Rajpoot, Subhash
In two measures theories (TMT), in addition to the Riemannian measure of integration, being the square root of the determinant of the metric, we introduce a metric-independent density Φ in four dimensions defined in terms of scalars φa by Φ=εμνρσεabcd(∂μφa)(∂νφb)(∂ρφc)(∂σφd) . [...]
Published in EPJC 77 (2017) 240 10.1140/epjc/s10052-017-4808-7
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3. Two-measure approach to breaking scale-invariance in a standard-model extension / Guendelman, Eduardo I. ; Nishino, Hitoshi ; Rajpoot, Subhash
We introduce Weyl's scale-invariance as an additional global symmetry in the standard model of electroweak interactions. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.11.036
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4. Unified dark energy and dust dark matter dual to quadratic purely kinetic K-essence / Guendelman, Eduardo ; Nissimov, Emil ; Pacheva, Svetlana
We consider a modified gravity plus single scalar-field model, where the scalar Lagrangian couples symmetrically both to the standard Riemannian volume-form (spacetime integration measure density) given by the square root of the determinant of the Riemannian metric, as well as to another non-Riemannian volume-form in terms of an auxiliary maximal-rank antisymmetric tensor gauge field. [...]
Published in EPJC 76 (2016) 90 10.1140/epjc/s10052-016-3938-7
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5. Dark energy and dark matter from hidden symmetry of gravity model with a non-Riemannian volume form / Guendelman, Eduardo ; Nissimov, Emil ; Pacheva, Svetlana
We show that dark energy and dark matter can be described simultaneously by ordinary Einstein gravity interacting with a single scalar field provided the scalar field Lagrangian couples in a symmetric fashion to two different spacetime volume forms (covariant integration measure densities) on the spacetime manifold – one standard Riemannian given by -g (square root of the determinant of the pertinent Riemannian metric) and another non-Riemannian volume form independent of the Riemannian metric, defined in terms of an auxiliary antisymmetric tensor gauge field of maximal rank. [...]
Published in EPJC 75 (2015) 472 10.1140/epjc/s10052-015-3699-8
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6. Scalar gauge fields / Guendelman, Eduardo ; Singleton, Douglas
In this paper we give a variation of the gauge procedure which employs a scalar gauge field, B ( x ), in addition to the usual vector gauge field, A μ ( x ). [...]
Published in JHEP 1405 (2014) 096 10.1007/JHEP05(2014)096 arXiv:1402.7334
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7. Scale symmetry breaking from total derivative densities and the cosmological constant problem / Guendelman, Eduardo I. ; Nishino, Hitoshi ; Rajpoot, Subhash
The use in the action integral of totally divergent densities in generally coordinate invariant theories can lead to interesting mechanisms of spontaneous symmetry breaking of scale invariance. [...]
Published in Physics letters B 732 (2014) 156-160 10.1016/j.physletb.2014.03.032
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See also: similar author names
1 Guendelman, E. I.
2 Guendelman, E.I.
3 Guendelman, Eduardo I.
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