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We present a result derived from the optical chirality continuity equation that shows the existence of a source term describing optical chirality generation through the interactions of the magnetic induction field with a source current,…

光学 · 物理学 2025-08-26 Zaid Haddadin , Lukas Novotny , Lisa V. Poulikakos

Circular dichroism (CD), i.e. the differential response of a system to left and right circularly polarized light, is one of the only techniques capable of providing morphological information of certain samples. In biology, for instance, CD…

光学 · 物理学 2014-09-16 Xavier Zambrana-Puyalto , Xavier Vidal , Gabriel Molina-Terriza

Chiral induced spin selectivity is a phenomenon that has been attributed to chirality, spin-orbit interactions, and non-equilibrium conditions, while the role of electron exchange and correlations have been investigated only marginally…

介观与纳米尺度物理 · 物理学 2021-04-28 J. Fransson

Chiral magnetism is a fascinating quantum phenomena that has been found in low-dimensional magnetic materials. It is not only interesting for understanding the concept of chirality, but also important for potential applications in…

量子气体 · 物理学 2018-07-12 Bo Liu , Peng Zhang , Hong Gao , Fuli Li

Resonant dielectric planar structures can interact selectively with light of particular helicity thus providing an attractive platform for chiral flat optics. The absence of mirror-symmetry planes defines geometric chirality, and it remains…

Magnetized plasmas within halos of galaxies leave their footprint on the polarized anisotropies of the cosmic microwave background. The two dominant effects for astrophysical halos are Faraday rotation generating rotation of the plane of…

宇宙学与河外天体物理 · 物理学 2019-10-16 Nadège Lemarchand , Julien Grain , Guillaume Hurier , Fabien Lacasa , Agnès Ferté

It is generally believed that the magneto-optical Faraday effect appears in the the bulk of a magnetic material and its sign is fully determined by the sign of the non-diagonal permittivity element. Here we reveal an additional contribution…

The magneto-optical Faraday effect in the magnetoplasmonic nanostructures with nonuniform, periodically modulated spatial distribution of the magnetization is considered. It is shown that in such nanostructures the Faraday effect can…

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…

高能物理 - 唯象学 · 物理学 2009-08-03 Avijit K. Ganguly , Pankaj Jain , Subhayan Mandal

We describe how the observed polarization properties of an astronomical object are related to its intrinsic polarization properties and the finite temporal and spectral resolutions of the observing device. Moreover, we discuss the effect…

高能天体物理现象 · 物理学 2022-01-05 Paz Beniamini , Pawan Kumar , Ramesh Narayan

We demonstrate that the boundary of two optical isomers with opposite directions of the gyration vectors (both parallel to boundary) can support propagation of electromagnetic wave in the direction perpendicular to the gyration axes…

介观与纳米尺度物理 · 物理学 2007-05-23 L. E. Zhukov , M. E. Raikh

Imaging the magnetic configuration of thin-films has been a long-standing area of research. Since a few years, the emergence of two-dimensional ferromagnetic materials calls for innovation in the field of magnetic imaging. As the magnetic…

材料科学 · 物理学 2021-01-13 T. Guillet , A. Marty , C. Vergnaud , F. Bonell , M. Jamet

Wide-band radio polarization observations offer the possibility to recover information about the magnetic fields in synchrotron sources, such as details of their three-dimensional configuration, that has previously been inaccessible. The…

宇宙学与河外天体物理 · 物理学 2015-06-18 Cathy Horellou , Andrew Fletcher

This study proposes an ultrathin chiral metamaterial slab stacked with twisted complementary split-ring resonators (CSRRs) for highly efficient broadband polarization transformation. The polarization of linearly polarized electromagnetic…

光学 · 物理学 2011-09-20 Wei Zeyong , Cao Yang , Fan Yuancheng , Yu Xing , Li Hongqiang

Light interacts differently with left and right handed three dimensional chiral objects, like helices, and this leads to the phenomenon known as optical activity. Here, by applying a polarization tomography, we show experimentally, for the…

光学 · 物理学 2015-05-18 A. Drezet , C. Genet , J. -Y. Laluet , T. W. Ebbesen

A uniaxial chiral metamaterial is constructed by double-layered four "U" split ring resonators mutually twisted by 90 degrees. It shows a giant optical activity and circular dichroism. The retrieval results reveal that a negative refractive…

A primordial cosmological magnetic field induces Faraday rotation of the cosmic microwave background polarization. This rotation produces a curl-type polarization component even when the unrotated polarization possesses only gradient-type…

天体物理学 · 物理学 2009-11-10 Arthur Kosowsky , Tina Kahniashvili , George Lavrelashvili , Bharat Ratra

Magneto-optic behaviour is a specific, non-reciprocal example of gyrotropic behaviour. When coupled to photo-induced Faraday rotation it is possible to discriminate this effect from the background of other nonlinear effects Non-reciprocal…

软凝聚态物质 · 物理学 2007-05-23 Allan D. Boardman , Larry Velasco , Peter Egan

The chiral magnetic wave from the interplay between the chiral magnetic effect and the chiral separation effect is simulated in a box system with the periodic boundary condition based on the chiral kinetic equations of motion. Simulation…

核理论 · 物理学 2018-10-24 Wen-Hao Zhou , Jun Xu

It was claimed (Lloyd et al., PRL 108 (2012) 074802) that energy loss magnetic chiral dichroism (EMCD) with electron vortex beams is feasible, and has even advantages over the standard setup with Bragg diffracted waves. In this Comment, we…

量子物理 · 物理学 2017-02-16 Peter Schattschneider , Stefan Löffler , Johan Verbeeck
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