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Related papers: Lorentz Force Electrical Impedance Tomography

200 papers

We report on the use of radio-frequency optical atomic magnetometers for magnetic induction tomography measurements. We demonstrate the imaging of dummy targets of varying conductivities placed in the proximity of the sensor, in an…

Atomic Physics · Physics 2016-05-04 Cameron Deans , Luca Marmugi , Sarah Hussain , Ferruccio Renzoni

Purpose: Intraoperative ultrasound scanning is a demanding visuotactile task. It requires operators to simultaneously localise the ultrasound perspective and manually perform slight adjustments to the pose of the probe, making sure not to…

Image and Video Processing · Electrical Eng. & Systems 2025-07-09 Alistair Weld , Luke Dixon , Giulio Anichini , Michael Dyck , Alex Ranne , Sophie Camp , Stamatia Giannarou

We examine the force of the electromagnetic radiation on linear, isotropic, homogeneous media specified in terms of their permittivity epsilon and permeability mu. A formula is proposed for the electromagnetic Lorentz force on the…

Optics · Physics 2014-01-31 Masud Mansuripur

We develop the theoretical framework for calculating magnetic noise from conducting two-dimensional (2D) materials. We describe how local measurements of this noise can directly probe the wave-vector dependent transport properties of the…

Strongly Correlated Electrons · Physics 2017-04-25 Kartiek Agarwal , Richard Schmidt , Bertrand Halperin , Vadim Oganesyan , Gergely Zaránd , Mikhail D. Lukin , Eugene Demler

A novel method is presented for measuring impulsive forces generated by devices which are fed with medium power microwave signals. The forces are measured with a torsion balance or weighing scale, as usual, but the microwave signal is…

Instrumentation and Detectors · Physics 2017-06-19 Chris P. Duif

Patients suffering from pulmonary diseases typically exhibit pathological lung ventilation in terms of homogeneity. Electrical Impedance Tomography (EIT) is a non-invasive imaging method that allows to analyze and quantify the distribution…

In this paper we calculate the magnetic and electric self-forces, induced by the conical structure of a cosmic string space-time, on a long straight wire which presents either a constant current or a linear charge density. We also show how…

General Relativity and Quantum Cosmology · Physics 2016-08-31 E. R. Bezerra de Mello , V. B. Bezerra , C. Furtado , F. Moraes

Objective: Muscle contractions are commonly detected by performing EMG measurements. The major disadvantage of this technique is that mechanical disturbances to the electrodes are in the same frequency and magnitude range as the desired…

Medical Physics · Physics 2019-08-28 Roman Kusche , Martin Ryschka

We show how the $\mathbb{Z}_{2}$ topological index of a one-dimensional topological p-wave superconductor can be revealed when driving with a classical vector potential i.e. an electromagnetic wave, through the light-induced transition…

Superconductivity · Physics 2024-08-13 Frederick Del Pozo , Karyn Le Hur

It is well established that neutrinos have mass, yet it is very difficult to measure those masses directly. Within the standard model of particle physics, neutrinos will have an intrinsic magnetic moment proportional to their mass. We…

High Energy Physics - Experiment · Physics 2008-11-26 Aram Apyan , Armen Apyan , Michael Schmitt

Devices made from two dimensional materials such as graphene and transition metal dichalcogenides exhibit remarkable electronic properties of interest to many subdisciplines of nanoscience. Owing to their 2D nature, their quality is highly…

Mesoscale and Nanoscale Physics · Physics 2019-11-12 Michael A. Altvater , Shuang Wu , Zhenyuan Zhang , Tianhui Zhu , Guohong Li , Kenji Watanabe , Takashi Taniguchi , Eva Y. Andrei

We present a method where a bioactive functional layer on an electrically conductive thin film with high sheet resistance can be effectively used for complementary electrochemical impedance spectroscopy biosensing. The functional layer's…

Materials Science · Physics 2025-04-04 Munis Khan , Ivan Mijakovic , Santosh Pandit , August Yurgens

Transmission electron microscopes (TEMs) enable atomic-scale imaging and characterisation, driving advances across fields from materials science to biology. Quantum correlations, specifically entanglement, may provide a basis for novel…

The theory of disordered elastic systems is one of the most powerful frameworks to assess the physics of multiple systems that span from ferromagnets to migrating biological cells. In this formalism, one assumes that the system can be…

Disordered Systems and Neural Networks · Physics 2022-11-28 Nirvana Caballero , Thierry Giamarchi

We calculate the contribution of the photon-assisted interaction of electrons with leaky interface phonons to the dissipative dc photoconductivity of a two-dimensional electron system in a magnetic field. The calculated photoconductivity as…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 V. Ryzhii

Charge carrier transport through the probe-sample junction can have substantial consequences for outcomes of electrical and electromechanical atomic-force-microscopy (AFM) measurements. For understanding physical processes under the probe,…

Materials Science · Physics 2020-05-05 K. N. Romanuk , D. O. Alikin , B. N. Slautin , A. Tselev , V. Ya. Shur , A. L. Kholkin

The analysis of the electronic surface properties of transition metal oxides being key materials for future nanoelectronics requires a direct characterization of the conductivity with highest spatial resolution. Using local conductivity…

Mesoscale and Nanoscale Physics · Physics 2021-10-15 C. Rodenbücher , G. Bihlmayer , W. Speier , J. Kubacki , M. Wojtyniak , M. Rogala , D. Wrana , F. Krok , K. Szot

When a relativistic electron bunch traverses a structure, strong electric fields are induced in its wake. We present measurements of the electric field as a function of time as measured at a fixed location in the beam line. For a 12 nC…

Accelerator Physics · Physics 2007-05-23 M. J. Fitch , A. C. Melissinos , P. L. Colestock , J. -P. Carneiro , H. T. Edwards , W. H. Hartung

The three-dimensional velocity field of a propeller driven liquid metal flow is reconstructed by a contactless inductive flow tomography (CIFT). The underlying theory is presented within the framework of an integral equation system that…

Fluid Dynamics · Physics 2007-05-23 Frank Stefani , Thomas Gundrum , Gunter Gerbeth

In natural and laboratory magnetized plasmas, an equilibrium electric field may exist perpendicular to the background magnetic field. In such a situation all the plasma species experience a common drift and the unperturbed distribution…

Plasma Physics · Physics 2020-10-22 Deng Zhou