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Related papers: Room temperature chiral discrimination in paramagn…

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Accurate characterization of polarization dependent light matter interactions in nanostructured systems is paramount for the development of chiral metasurfaces. It is also often challenging, because multiple anisotropic mechanisms, such as…

Optics · Physics 2026-04-27 Jeeban Kumar Nayak , Ebru Buhara , Olivier J. F. Martin

We calculate the nucleons' electromagnetic polarizabilities in heavy baryon chiral perturbation theory including all terms to order ${\cal O} (q^4)$. The chiral prediction of the electric polarizabilities for the neutron and the proton are…

High Energy Physics - Phenomenology · Physics 2016-08-14 Véronique Bernard , Norbert Kaiser , Armin Schmidt , Ulf-G. Meißner

Polarized neutrons are used to determine the antisymmetric part of the magnetic susceptibility in non-centrosymmetric MnSi. The paramagnetic fluctuations are found to be incommensurate with the chemical lattice and to have a chiral…

Strongly Correlated Electrons · Physics 2016-08-31 B. Roessli , P. Boeni , W. E. Fischer , Y. Endoh

Surface physics dominated by bulk properties has been one of the central interests in modern condensed matter physics, from electric polarization to bulk-boundary correspondence of topological insulators and superconductors. Here, we extend…

Mesoscale and Nanoscale Physics · Physics 2019-11-20 Akito Daido , Youichi Yanase

Chiral theories of constituent quarks interacting with bosons and photons at high temperatures are studied. In the expected chirally symmetric phase effective electromagnetic anomalous couplings for e.g. $\pi \sigma \to \gamma \gamma, ~…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Baier , M. Dirks , O. Kober

We compute polarization maps for molecular cloud cores modeled as magnetized singular isothermal toroids, under the assumption that the emitting dust grains are aspherical and aligned with the large-scale magnetic field. We show that,…

Astrophysics · Physics 2009-11-10 J. Goncalves , D. Galli , M. Walmsley

Hall effects have been employed as sensitive detectors of magnetic fields and magnetizations. In spintronics, exotic phenomena often emerge from a non-equilibrium spin polarization or magnetization, that is very difficult to measure…

Mesoscale and Nanoscale Physics · Physics 2016-08-04 Dazhi Hou , Z. Qiu , R. Iguchi , K. Sato , K. Uchida , G. E. W. Bauer , E. Saitoh

We propose a theory for a type of apertureless scanning near field microscopy that is intended to allow the measurement of magnetism on a nanometer length scale. A scanning probe, for example a scanning tunneling microscope (STM) tip, is…

Condensed Matter · Physics 2007-05-23 Peter Johansson , S. Peter Apell , D. R. Penn

Externally powered magnetic nanomotors are of particular interest due to the potential use for \emph{in vivo} biomedical applications. Here we develop a theory for dynamics and polarization of recently fabricated superparamagnetic chiral…

Soft Condensed Matter · Physics 2015-06-19 Konstantin I. Morozov , Alexander M. Leshansky

We propose a method to perform a configuration determination for chiral and/or polar crystals by utilizing anisotropy of NMR shift. The chirality (handedness) or polarity of a crystal, that is characterized by its sign, can be extracted…

Materials Science · Physics 2023-11-14 Hiroaki Kusunose , Jun Kikuchi

A polarimetric model for the power delay spectrum for inroom communication is proposed. The proposed model describes the gradual depolarization of the signal with delay. The model is based on the theory of room electromagnetics,…

Signal Processing · Electrical Eng. & Systems 2022-02-16 Troels Pedersen , Ramoni Adeogun

Circularly polarized light can be obtained by using either polarization conversion or structural chirality. Here we reveal a fundamentally unrelated mechanism of generating circularly polarized light using coupled nonequilibrium sources. We…

Mesoscale and Nanoscale Physics · Physics 2019-09-24 Chinmay Khandekar , Zubin Jacob

Resonance energy transfer between chiral molecules can be used to discriminate between different enantiomers. The transfer rate between chiral molecules consists of a non-discriminatory and discriminatory parts. We derive these two rate…

Quantum Physics · Physics 2023-03-29 Janine Christine Franz , Stefan Yoshi Buhmann , A. Salam

We present a general, systematic theory of electromagnetism and chirality in crystalline solids. Symmetry is its basic guiding principle, enabling us to consider macroscopic multipole densities without reference to any specific microscopic…

Materials Science · Physics 2025-06-26 R. Winkler , U. Zülicke

Metasurfaces, the two-dimensional analogues of metamaterials, are ideal platforms for sensing molecular chirality at the nanoscale, e.g. of inclusions of natural optically active molecules, as they offer large accessible areas (they are…

Applied Physics · Physics 2020-08-19 Sotiris Droulias

Neel skyrmions are of high interest due to their potential applications in a variety of spintronic devices, currently accessible in ultrathin heavy metal/ferromagnetic bilayers and multilayers with a strong Dzyaloshinskii-Moriya…

Materials Science · Physics 2017-04-05 Shawn D. Pollard , Joseph A. Garlow , Jiawei Yu , Zhen Wang , Yimei Zhu , Hyunsoo Yang

The interaction of radiation with chiral molecular films is not macroscopically invariant under mirror reflections and, accordingly, chiroptical effects exist which affect the spatial symmetry of the radiation profile and which nearly…

Optics · Physics 2021-10-05 Alessandro Ciattoni

We consider the distortions of the cosmic microwave background (CMB) dipole anisotropy related to the primordial recombination radiation (PRR) and primordial $y$- and $\mu$-distortions. The signals arise due to our motion relative to the…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-14 S. A. Balashev , E. E. Kholupenko , J. Chluba , A. V. Ivanchik , D. A. Varshalovich

In this work, we study the propagation of electromagnetic waves in a magnetized chiral plasma that pervades the interstellar space. The Maxwell equations, supplemented by bi-isotropic-like constitutive relations, are rewritten to describe a…

High Energy Astrophysical Phenomena · Physics 2026-02-17 Filipe S. Ribeiro , Pedro D. S. Silva , Rodolfo Casana , Manoel M. Ferreira

Resistively detected nuclear magnetic resonance is used to measure the Knight shift of the As nuclei and determine the electron spin polarization of the fractional quantum Hall states of the second Landau level. We show that the 5/2 state…

Strongly Correlated Electrons · Physics 2015-06-03 M. Stern , B. A. Piot , Y. Vardi , V. Umansky , P. Plochocka , D. K. Maude , I. Bar-Joseph