dynamics of the electric polarization and depolarization of

T1: Attosecond dynamics (theory)

T1: Attosecond dynamics (theory) This topic focuses on the theory of attosecond response of matter to light in atoms, molecules, and condensed matter systems. The main research directions include Generation and characterization of UV, XUV and Xray light with

Correlation of traps inside XLPE and polypropylene with space charge dynamics

Received: 26 December 2019 Revised: 15 July 2020 Accepted: 18 August 2020 IET Science, Measurement Technology DOI: 10.1049/smt2.12034 ORIGINAL RESEARCH PAPER Correlation of traps inside XLPE and polypropylene with space charge dynamics

Polarization – The Physics Hypertextbook

Magnetic fields, chemical interactions, crystal structures, quality variations, and mechanical stresses can all affect the polarization of a beam of light. spectroscopy, polarimetry, defectoscopy, astronomy, platography, material research, laser applications, light modulation, agricultural production, electric power generation, environmental control devices, molecular biology, biotechnology

Studies on Domain Wall Properties and Dynamics in KTiOPO and

iii Gustav Lindgren Studies on Domain Wall Properties and Dynamics in KTiOPO 4 and Rb-doped KTiOPO 4 Department of Applied Physics, KTH – Royal Institute of Technology 106 91 Stockholm, Sweden ISBN: 978-91-7729-598-3, TRITA-FYS:2017:71, ISSN: 0280-316X, ISRN: KTH/FYS/--17:71-SE

Electrically induced bacterial membrane

As predicted by the model, electrical stimulation only induced depolarization when cells are treated with antibiotics, protonophore, or alcohol. Therefore, electrically induced membrane-potential dynamics offer a reliable approach for rapid detection of proliferative bacteria and determination of their sensitivity to antimicrobial agents at the single-cell level.

Depolarization of multidomain ferroelectric materials

Depolarization in ferroelectric materials has been studied since the 1970s, albeit quasi-statically. The dynamics are described by the empirical Merz law, which gives the polarization switching time as a function of electric field, normalized to the so-called activation field.

The dynamics of action potential: the bioelectromagnetized interaction created by cell

1 The dynamics of action potential: the bioelectromagnetized interaction created by cell biology (I) HaiYing Shen1, 2 * Assistant Editor YiNuo Liu Author Affiliations 1 Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea 2 Division of Cardiology, Department of Internal Medicine, Korea University, Seoul, Korea

Electrically induced bacterial membrane

As predicted by the model, electrical stimulation only induced depolarization when cells are treated with antibiotics, protonophore, or alcohol. Therefore, electrically induced membrane-potential dynamics offer a reliable approach for rapid detection of proliferative bacteria and determination of their sensitivity to antimicrobial agents at the single-cell level.

Generation of polarized particle beams at relativistic laser

The molecular electric dipole moment μ is thus aligned relative to the electric field of the laser light, leading to an increased polarization signal. Simultaneously, but at an angle of 90, the strongly focused circularly polarized fifth-harmonic beam with an intensity of about 10 12 Wcm −2 is also guided into the vacuum chamber ( Figure 19 ).

Phys. Rev. Lett. 118, 093601 (2017)

We study the depolarization dynamics of a dense ensemble of dipolar interacting spins, associated with nitrogen-vacancy centers in diamond. We observe anomalously fast, density-dependent, and nonexponential spin relaxation. To explain these observations, we propose a microscopic model where an interplay of long-range interactions, disorder, and dissipation leads to predictions that are in

Dynamics of Space Charge Polarization and Electrical

This research focuses on understanding dynamics of space charge polarization and mechanisms controlling electrical conduction in these glasses. Both DC and AC characterization techniques were developed to elucidate electronic and ionic conduction mechanisms under a variety of temperatures, electric field and frequency conditions.

Spin Dynamics and Snakes in Synchrotrons

Spin and the associated magnetic moment are fundamental properties of elementary particles. The spin quantum number has been employed to understand many phenomena in atomic, nuclear, elementary particle, solid state, and statistical physics. 1 The spin orbit interaction has been important in understanding atomic and nuclear physics.

Effect of surface ionic screening on polarization reversal scenario in ferroelectric

calculations [10, 11]. Because of the long-range nature of the depolarization effects the incomplete surface screening of ferroelectric polarization leads to pronounced finite size effects [12] and nontrivial domain structure dynamics 1] in the presence of [ thin dead

The dynamics of action potential: the bioelectromagnetized interaction created by cell

1 The dynamics of action potential: the bioelectromagnetized interaction created by cell biology (I) HaiYing Shen1, 2 * Assistant Editor YiNuo Liu Author Affiliations 1 Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea 2 Division of Cardiology, Department of Internal Medicine, Korea University, Seoul, Korea

Electron and Nuclear Spin Dynamics and Coupling in

Current-induced electron spin polarization is shown to produce nuclear hyperpolarization through dynamic nuclear polarization. Saturated nuclear magnetic fields of several millitesla are generated upon the application of electric field over a timescale of minutes in indium gallium arsenide (InGaAs) epilayers and measured using optical Larmor magnetometry.

Thermodynamic consistent modelling of defects and microstructures in ferroelectrics

GAMM-Mitt. 31, No. 2, 133–150 (2008) / DOI 10.1002/gamm.200890007 Thermodynamic consistent modelling of defects and microstructures in ferroelectrics Ralf Muller∗1,Jorg Schr oder 2, and Doru C. Lupascu3 1 Department of Civil Engineering Geodesy, Solid Mechanics, Darmstadt University of

Dielectric Diagnosis of EHV current Transformer Using

Abhishek Joshi, Pooja Aaradhi Abstract— Current transformers (CT) are an important element of substation used for metering and protection. The CT forms main link in ensuring the reliability of the entire power system. Most of the faults occurring in Instrument transformers are due to insulation failure (Viz. oil and paper for this research work). Various factors responsible for degradation

Dynamics of Space Charge Polarization and Electrical Conduction

This research focuses on understanding dynamics of space charge polarization and mechanisms controlling electrical conduction in these glasses. Both DC and AC characterization techniques were developed to elucidate electronic and ionic

Dielectric permittivity dynamics of Ba 1−x Sr x TiO 3

The electric-field dependence of the polarization retained clearly pronounced saturated hysteresis loops up to temperatures 10–15 K above T M . Dielectric permittivity dynamics of Ba 1−x Sr x TiO 3 epitaxial films ( x =0.75): Microstructure and depolarization effects | SpringerLink

Interplay of valley polarization and dynamic nuclear polarization

of valley polarization and nuclear-spin dynamics. Our calculation proceeds as follows. We first analytically solve for the coupled dynamics of the electron and hole distribution functions for a TMD subject to nonperturbative optical driving using the formalism of

Direct observation of the torsional dynamics of DNA and

Picosecond time-dependent fluorescence depolarization techniques have been used to monitor the reorientation of ethidium bromide intercalated in DNA and RNA. The fluorescence polarization anisotropy reveals a nonexponential, exp(-at 1/2), torsional relaxation of the DNA double helix and provides an accurate value for its torsional rigidity, C = 1.3 +/- 0.2 X 10(-19) erg cm.

Alex Chao, the dynamic professor of Accelerator Physics

2010/10/4𝛼𝜃′𝑑𝜃′ and vertical polarization 𝑣= 𝜃2− 𝜃2 • An effective method to allow the evaluation of polarization of various spin manipulations, such as multiple tune jumps, manipulation with RF fields Matrix formalism for spin dynamics near a single depolarization resonance

Charging and Discharging Current Measurements and

This article includes polarization dynamics in the field model and shows that its impact on transient electric field simulations in HVDC paper-insulated cables can be significant. A method is presented to infer the model parameters from experimental polarization and depolarization current measurements.

Electrically induced bacterial membrane

In the past, applications of electric currents to bacteria were used for sanitization (), electroporation (), and most recently redox synthetic biology (). However, due to the only recent discovery of bacterial membrane-potential excitation dynamics, use of external electrical signals in the context of bacterial electrophysiology has been left largely unexplored.

Dynamic pathway of the photoinduced phase transition of TbMnO3

spontaneous electric polarization with a strong magnetoelec-tric coupling [1]. This coupling holds potential for novel electronic and magnetic applications such as magnetic storage that could be manipulated by the electric field of strongly focused light pulses. In

Electric dipole moment

The electric dipole moment is a measure of the separation of positive and negative electrical charges within a system, that is, a measure of the system's overall polarity.The SI units for electric dipole moment are coulomb-meter (C⋅m); however, a commonly used

Phys. Rev. B 78, 245409 (2008)

The effect of the domain wall intrinsic width, relaxation time of the screening charges, and the dead layer thickness on the velocity of the planar $180ifmmode^circelsetextdegreefi{}$-domain wall moving under homogeneous external electric field in ferroelectric capacitor is analyzed. The limiting cases of domain wall motion, including (i) the motion induced by the external and local

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