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We study the propagation of polarization light through the magnetosphere of neutron stars. At intermediate frequencies (the optical through the infrared), both the birefringence induced by the plasma and by quantumelectrodynamics influence…

Astrophysics · Physics 2009-11-10 R. M. Shannon , Jeremy S. Heyl

We study parity-violating birefringence induced by an asymmetric neutrino background in plasmas associated with active galactic nuclei (AGN). We derive a directionality factor arising from the relative bulk motion between the neutrino…

High Energy Physics - Phenomenology · Physics 2026-01-23 H. B. Câmara , A. Smetana , A. Tursunov

We reconsider the problem of the birefringence of electromagnetic (EM) waves in a medium consisting of a plasma and a $\nu\bar{\nu}$-gas within the Standard Model of particle physics. The considered effect arises in such a medium due to the…

High Energy Physics - Phenomenology · Physics 2021-03-26 Maxim Dvornikov , Victor B. Semikoz

We study the optic control for birefringence of a polarized light by an atomic ensemble with a tripod configuration, which is mediated by the electromagnetically induced transparency with a spatially inhomogeneous laser. The atom ensemble…

Optics · Physics 2013-05-29 H. R. Zhang , Lan Zhou , C. P. Sun

Magnetoelectric materials have the interesting property of exhibiting polarization induced by a magnetic field or magnetization induced by an electric field. As a consequence, a multitude of effects can be produced by means of controllable…

Optics · Physics 2022-03-02 Vitorio A. De Lorenci

Trirefringence is related to the existence of three distinct phase velocity solutions (and polarizations) for light propagation in a same wave-vector direction. This implies that when a trirefringent medium refracts a light ray, it is split…

Optics · Physics 2019-06-05 V. A. De Lorenci , A. L. Ferreira Junior , J. P. Pereira

In the presence of strong magnetic fields, the vacuum becomes a birefringent medium. We show that this QED effect decouples the polarization modes of photons leaving the NS surface. Both the total intensity and the intensity in each of the…

Astrophysics · Physics 2009-11-07 Jeremy S. Heyl , Nir J. Shaviv , Don Lloyd

We study the electromagnetic properties of a system that consists of an electron background and a neutrino gas that may be moving or at rest, as a whole, relative to the background. The photon self-energy for this system is characterized by…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jose' F. Nieves , Sarira Sahu

In the presence of strong magnetic fields, the vacuum becomes a birefringent medium. We show that this QED effect couples the direction of the polarization of photons leaving the NS surface, to the direction of the magnetic field along the…

Astrophysics · Physics 2009-09-29 Jeremy S. Heyl , Don Lloyd , Nir J. Shaviv

In light of the recent measurement of the nonzero Cosmic Microwave Background (CMB) polarization rotation angle from the Planck 2018 data, we explore the possibility that such a cosmic birefringence effect is induced by coupling a fermionic…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-06 Ren-Peng Zhou , Da Huang , Chao-Qiang Geng

It is known that polar ice is birefringent and that this can have implications for in-ice radio detection of ultra-high energy neutrinos. Previous investigations of the effects of birefringence on the propagation of radio-frequency signals…

Instrumentation and Methods for Astrophysics · Physics 2022-06-29 Amy Connolly

The influence of quantum fluctuations of the electromagnetic field on the propagation of a polarized light wave in a nonlinear dielectric is investigated. It is shown that in some cases, the fluctuations couple to the optical nonlinearities…

Quantum Physics · Physics 2019-07-17 V. A. De Lorenci , L. H. Ford

Aims. The magnetized medium induces birefringence, splitting the light into two distinct wave modes. The differing propagation speeds of the two modes result in different trajectories. Strong gravitational lensing amplifies the…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-09 Xinzhong Er

In the context of the standard model of particles, the weak interaction of cosmic microwave background (CMB) and cosmic neutrino background (C$\nu$B), can generate non-vanishing TB and EB power spectra in the order of one loop forward…

High Energy Physics - Phenomenology · Physics 2023-06-27 Roohollah Mohammadi , Jafar Khodagholizadeh , Mahdi Sadegh , Ali Vahedi , She-sheng Xue

We revise a problem of the birefringence of electromagnetic waves in a chiral medium in the Standard Model (SM) of particle physics arising in an isotropic plasma due to parity violation. The recent calculations of the weak correction to…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-27 V. B. Semikoz

In the presence of a thermal medium or an external electro-magnetic field, neutrinos can interact with photon, mediated by the corresponding charged leptons (real or virtual). The effect of a medium or an electromagnetic field is two-fold -…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kaushik Bhattacharya , Avijit K. Ganguly

It is shown that for the reason of neutrinos being left-handed and their gauge-couplings being parity-violated, linearly polarized photons acquire their circular polarization by interacting with neutrinos. Calculating the ratio of linear…

High Energy Physics - Phenomenology · Physics 2015-06-18 Rohoollah Mohammadi , She-Sheng Xue

In a medium that contains a neutrino background in addition to the matter particles, the neutrinos contribute to the photon self-energy as a result of the effective electromagnetic vertex that they acquire in the presence of matter. We…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jose F. Nieves

We present the first experimental results on the use of a thick aligned Si crystal acting as a quarter wave plate to induce a degree of circular polarisation in a high energy linearly polarised photon beam. The linearly polarised photon…

Parity violating physics beyond the standard model of particle physics induces a rotation of the linear polarization of photons. This effect, also known as cosmological birefringence (CB), can be tested with the observations of the cosmic…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-25 Alessandro Gruppuso , Gianmarco Maggio , Diego Molinari , Paolo Natoli
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