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Dilatons ($\phi(x)$) are a class of bosonic scalar particles associated with scaling symmetry and its compensation (under the violations of the same). Due to two photon coupling, they can produce optical signatures in a magnetic field. In vacuum or p
Externí odkaz:
http://arxiv.org/abs/2212.07212
According to the model ($\Lambda$CDM), based on deep cosmological observations, the current universe is constituted of 5$\%$ baryonic matter and 25 $\%$ non-baryonic cold dark matter (of speculative origin). These include quanta of scalar filed like
Externí odkaz:
http://arxiv.org/abs/2107.11594
Scalar fields like dilaton appear in quantum field theory (QFT) due to scale symmetry breaking. Their appeal also extends to modified theories of gravity, like $F(R)$ gravity, Horva Lifshitz gravity etc. In unified theories they make their appearance
Externí odkaz:
http://arxiv.org/abs/2012.13903
In many extentions of standard model, dimension-5 scalar di-photon ($g_{\gamma\gamma\phi}\phi$ $F^{\mu\nu}F_{\mu\nu}$ ) or pseudoscalar di-photon ($g_{\gamma\gamma a}a\tilde{F}^{\mu\nu} F_{\mu\nu} $, ) interaction materializes due to scale symmetry b
Externí odkaz:
http://arxiv.org/abs/1907.00565
Akademický článek
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Autor:
Ganguly, Avijit K., Jaiswal, Manoj K.
Publikováno v:
Phys. Rev. D90, 026002 (2014)
Dimension-five photon $(\gamma )$ scalar $(\phi)$ interaction terms usually appear in the bosonic sector of unified theories of electromagnetism and gravity. In these theories the three propagation eigenstates are different from the three field eigen
Externí odkaz:
http://arxiv.org/abs/1608.07994
Dimension-5 photon ($\gamma$) scalar ($\phi$) interaction terms usually appear in the Lagrangian of bosonic sector of unified theories of electromagnetism and gravity. This interaction makes the medium dichoric and induces optical activity. We have m
Externí odkaz:
http://arxiv.org/abs/1308.2052
Publikováno v:
European Physical Journal C -- Particles & Fields; Jun2024, Vol. 84 Issue 6, p1-31, 31p
Publikováno v:
Phys.Rev.D79:115014,2009
Pseudoscalar particles, with almost zero mass and very weak coupling to the visible matter, arise in many extensions of the standard model of particle physics. Their mixing with photons in the presence of an external magnetic field leads to many inte
Externí odkaz:
http://arxiv.org/abs/0810.4380
Publikováno v:
Phys.Rev.D76:025026,2007
Weakly coupled, almost massless, spin 0 particles have been predicted by many extensions of the standard model of particle physics. Recently, the PVLAS group observed a rotation of polarization of electromagnetic waves in vacuum in the presence of tr
Externí odkaz:
http://arxiv.org/abs/hep-ph/0611006