Results 71 to 80 of about 8,444,233 (303)

Spin-orbit coupling affecting the evolution of transverse spin

open access: yesPhysical Review Research, 2019
We investigate the evolution of transverse spin in tightly focused circularly polarized beams of light, where spin-orbit coupling causes a local rotation of the polarization ellipses upon propagation through the focal volume.
Jörg S. Eismann   +2 more
doaj   +1 more source

Electric-field-driven non-volatile multi-state switching of individual skyrmions in a multiferroic heterostructure

open access: yesNature Communications, 2020
Spin-polarized current manipulation of magnetic skyrmions is energy consuming. Here, the authors achieve an electric-field manipulation of individual skyrmions in a nanostructured ferromagnetic/ferroelectrical heterostructure at room temperature via an ...
Yadong Wang   +17 more
doaj   +1 more source

An Edible Chitosan‐Based Acoustic Sensor for Sound‐Responsive Actuation in Edible Robots

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces an edible acoustic sensor for robotic food and edible robotics. Built from a chitosan piezoelectric film between gold electrodes, the sensor enables acoustic communication through ON/OFF keying. Integrated into an edible robot with pneumatically actuated arms and neck, it responds to high‐frequency tones.
Valerio Francesco Annese   +8 more
wiley   +1 more source

Strain effect on circularly polarized electroluminescence in transition metal dichalcogenides

open access: yesPhysical Review Research, 2020
Strain effect on circularly polarized electroluminescence (EL) is theoretically analyzed for a p-i-n junction of transition metal dichalcogenides. The electrically controllable circularly polarized EL without the strain effect is understood by valley ...
Sake Wang   +2 more
doaj   +1 more source

A model for the polarization of neurons by extrinsically applied electric fields

open access: yesBiophysical Journal, 1986
A model is presented for the subthreshold polarization of a neuron by an applied electric field. It gives insight into how morphological features of a neuron affect its polarizability. The neuronal model consists of one or more extensively branched dendritic trees, a lumped somatic impedance, and a myelinated axon with nodes of Ranvier.
Tranchina, D., Nicholson, C.
openaire   +2 more sources

Electric field inside a “Rossky cavity” in uniformly polarized water [PDF]

open access: yesThe Journal of Chemical Physics, 2011
Electric field produced inside a solute by a uniformly polarized liquid is strongly affected by dipolar polarization of the liquid at the interface. We show, by numerical simulations, that the electric “cavity” field inside a hydrated non-polar solute does not follow the predictions of standard Maxwell's electrostatics of dielectrics.
Martin, Daniel R.   +2 more
openaire   +3 more sources

Disentangling Bulk and Surface Contributions to Charge and Discharge Fading in High‐Voltage LiCoO2

open access: yesAdvanced Functional Materials, EarlyView.
High‐voltage operation of LiCoO2 accelerates capacity fading through bulk and surface degradation. By introducing a LiTaO3 coating to selectively suppress surface degradation, bulk and surface contributions to charge and discharge fading are decoupled.
Hyungjoon Moon   +6 more
wiley   +1 more source

Analysis on Electromagnetic Interference with Different Polarization of Electric Field [PDF]

open access: yes, 2014
A simplified modeling of shielding cavity with a wire penetrated was established, in order to study the coupling effects of electromagnetic pulse (EMP) with different incident angles when the shielding cavity has a penetrated wire. Finite-Difference Time-
Sun, Liwei, Sun, Yanpeng, Qu, Lele
core   +1 more source

Photon polarization tensor in a homogeneous magnetic or electric field [PDF]

open access: yesPhysical Review D, 2013
We revisit the photon polarization tensor in a homogeneous external magnetic or electric field. The starting point of our considerations is the momentum space representation of the one-loop photon polarization tensor in the presence of a homogeneous electromagnetic field, known in terms of a double parameter integral.
openaire   +2 more sources

Electric field-induced translocation of single-stranded DNA through a polarized carbon nanotube membrane [PDF]

open access: yes, 2007
Molecular dynamics simulations based on a novel polarizable nanotube model were performed to study the dynamics in translocation of a single-stranded deoxyribonucleic acid oligonucleotide through a polarized carbon nanotube membrane by an applied ...
Kong, Y.   +11 more
core   +1 more source

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