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The possibility of electrically exciting and detecting magnon currents in magnetic insulators has opened exciting perspectives for transporting spin information in electronic devices. However, the role of the magnetic field and the nonlocal…

Mesoscale and Nanoscale Physics · Physics 2022-01-28 Jialiang Gao , Charles-Henri Lambert , Richard Schlitz , Manfred Fiebig , Pietro Gambardella , Saül Vélez

Modeling of ion transport via plasma membrane needs identification and quantitative understanding of the involved processes. Brief characterization of main ion transport systems of a yeast cell (Pma1, Ena1, TOK1, Nha1, Trk1, Trk2,…

Subcellular Processes · Quantitative Biology 2016-01-19 Vadim Volkov

Magnetoencephalography (MEG) conventionally operates within high-performance magnetic shields due to the extremely weak magnetic field signals from the measured objects and the narrow dynamic range of the magnetic sensors employed for…

Medical Physics · Physics 2024-03-20 Yosuke Ito , Hiroyuki Ueda , Takenori Oida , Takahiro Moriya , Akinori Saito , Motohiro Suyama

Magnetic field induced drastically augmented thermal conductivity of magneto nanocolloids involving magnetic oxide nanoparticles, viz. Fe2O3, Fe3O4, Nickel oxide (NiO), Cobalt oxide (Co3O4), dispersed in different base fluids (heat transfer…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Ajay Katiyar , Purbarun Dhar , Tandra Nandi , Sarit K. Das

Electromagnetically induced absorption (EIA) was observed on a sample of $% ^{85}Rb$ in a magneto-optical trap using low intensity cw copropagating pump and probe optical fields. At moderate trapping field intensity, the EIA spectrum is…

Atomic Physics · Physics 2016-09-08 A. Lipsich , S. Barreiro , P. Valente , A. Lezama

Multi-layer epitaxial graphene (MEG) is investigated using far infrared (FIR) transmission experiments in the different limits of low magnetic fields and high temperatures. The cyclotron-resonance like absorption is observed at low…

The interplay of electron correlations and topological phases gives rise to various exotic phenomena including fractionalization, excitonic instability, and axionic excitation. Recently-discovered transition-metal pentatellurides can reach…

Mesoscale and Nanoscale Physics · Physics 2023-11-21 Cheng Zhang , Jinshan Yang , Zhongbo Yan , Xiang Yuan , Yanwen Liu , Minhao Zhao , Alexey Suslov , Jinglei Zhang , Li Pi , Zhong Wang , Faxian Xiu

Magnetoencephalography using optically pumped magnetometers (OPM-MEG) is gaining significant traction as a neuroimaging tool, with the potential for improved performance and practicality compared to conventional instrumentation. However,…

This article describes a method called Lorentz Force Electrical Impedance Tomography. The electrical conductivity of biological tissues can be measured through their sonication in a magnetic field: the vibration of the tissues inside the…

Medical Physics · Physics 2014-02-12 Pol Grasland-Mongrain , Jean-Martial Mari , Jean-Yves Chapelon , Cyril Lafon

Magnetocardiography (MCG) has emerged as a sensitive and precise method to diagnose cardiovascular diseases, providing more diagnostic information than traditional technology. However, the sensor limitations of conventional MCG systems,…

Medical Physics · Physics 2024-05-07 Ziyun Yu , Yijin Xie , Guodong Jin , Yunbin Zhu , Qi Zhang , Fazhan Shi , Fang-yan Wan , Hongmei Luo , Ai-hui Tang , Xing Rong

A theoretical investigation of extremely high field transport in an emerging wide-bandgap material $\beta-Ga_2O_3$ is reported from first principles. The signature high-field effect explored here is impact ionization. Interaction between a…

Materials Science · Physics 2018-08-27 Krishnendu Ghosh , Uttam Singisetti

The linear magnetoelectric effect (ME) is the phenomenon by which an electric field produces a magnetization. Its observation requires both time-reversal and space-inversion symmetries to be broken, as in multiferroics. While the ME effect…

We report on terahertz radiation detection with InGaAs/InAlAs Field Effect Transistors in quantizing magnetic field. The photovoltaic detection signal is investigated at 4.2 K as a function of the gate voltage and magnetic field.…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 S. Boubanga-Tombet , M. Sakowicz , D. Coquillat , F. Teppe , W. Knap , M. I. Dyakonov , K. Karpierz , J. Lusakowski , M. Grynberg

Electric-field control of magnetism provides a promising route towards ultralow power information storage and sensor technologies. The effects of magneto-ionic motion have so far been prominently featured in the direct modification of…

Mesoscale and Nanoscale Physics · Physics 2016-09-19 Dustin A. Gilbert , Alexander J. Grutter , Elke Arenholz , Kai Liu , B. J. Kirby , Julie A. Borchers , Brian B. Maranville

The method for observing the high-contrast and narrow-width resonances of electromagnetically induced absorption (EIA) in the Hanle configuration under counterpropagating light waves is proposed. We theoretically analyze the absorption of a…

Atomic Physics · Physics 2014-11-11 D. V. Brazhnikov , A. V. Taichenachev , V. I. Yudin

Magneto-inductive (MI) Terahertz (THz) wireless channels provide significant theoretical performances for MI communications (MIC) and wireless power transmission (WPT) in nanoscale networks. Energy harvesting (EH) and signal generation are…

Applied Physics · Physics 2018-05-30 Burhan Gulbahar

Neutral atoms may be trapped via the interaction of their magnetic dipole moment with magnetic field gradients. One of the possible schemes is the cloverleaf trap. It is often desirable to have at hand a fast and precise technique for…

Soft Condensed Matter · Physics 2007-05-23 Ph. W. Courteille , S. R. Muniz , K. Magalhaes , R. Kaiser , L. G. Marcassa , V. S. Bagnato

We use fiber-coupled photoconductive emitters and detectors to perform terahertz (THz) spectroscopy of lightly-doped n-InSb directly in the cryogenic (1.5 K) bore of a high-field superconducting magnet. We measure transmission spectra from…

Materials Science · Physics 2009-11-11 X. P. A. Gao , J. Y. Sohn , S. A. Crooker

Context. Interplanetary (IP) shocks are known to be accelerators of energetic charged particles observed in-situ in the heliosphere. However, the acceleration of near-relativistic electrons by shocks in the interplanetary medium is often…

Space Physics · Physics 2018-04-18 S. Wraase , B. Heber , S. Böttcher , R. Bucik , N. Dresing , Gómez-Herrero , A. Klassen , R. Müller-Mellin

At the earliest times after a heavy-ion collision, the magnetic field created by the spectator nucleons will generate an extremely strong, albeit rapidly decreasing in time, magnetic field. The impact of this magnetic field may have…

High Energy Physics - Phenomenology · Physics 2020-04-22 Gabriele Inghirami , Mark Mace , Yuji Hirono , Luca Del Zanna , Dmitri E. Kharzeev , Marcus Bleicher