A plasmonic splitter based on subwavelength metal–insulator–metal (MIM) waveguides with tooth-shaped structures is proposed and numerically researched by using the finite-difference time-domain (FDTD) method in visible near infrared frequencies. The regarded as two zigzag-shaped MIM waveguides, which naturally stretch out tooth bending corners. Each forms a resonant cavity. transmission of waveguide close to zero at some wavelength same-order has an approximately linear relationship depth...

$\alpha$ decay occurs in both ground states and isomers of nuclei. In this work, we use the two-potential approach to systematically study whether isomeric play a key role on particle clustering or not. The results indicate ratios preformation probabilities are found be around 1.

In present work, the unfavored $\mathcal{\alpha}$ decay half-lives and preformation probabilities of closed shell nuclei related to ground isomeric states around $Z=82$, $N=82$ 126 closures are investigated by adopting two-potential approach from perspective valence nucleon (hole) isospin asymmetry parent nucleus. The results indicate that probability is linear dependence on $N_p N_n$ or N_n I$, same as case favored in our previous work [X.-D. Sun \textit{et al.}, Phys. Rev. C 94, 024338...

Based on the finite-difference time-domain method, we investigate transmission resonances of compound metallic gratings with two subwavelength slits filled different dielectrics inside each period in visible and near infrared regions. The results show that spectrum is almost a corresponding simple expect for feature at certain resonant wavelength, where Fabry-Pérot (FP)-like phenomena have been found both slits, but orders FP-like modes are different. If order mode one slit bigger than...

A compact plasmonic branch-shaped metal–insulator–metal (MIM) waveguide with a triangular-annular channel is proposed and investigated. The results show that all-band waves can transmit through the structure when it has transmission symmetry. As symmetry broken, typical filtering function obtained transmissivity of resonance frequency depends on destroyed degree symmetry, which from interference between two branched surface plasmon polaritons (SPPs) propagating along waveguide. Moreover,...

Test effectiveness of a test-per-scan built-in self-test (BIST) scheme is highly dependent on the length and number scan chains. Fewer cycles are used to capture test responses when chains increases total clock fixed. Another important feature BIST that circuit at inputs flip-flops not observable during shift cycles. A new architecture proposed make scan-based more observable. The chain partitioned into multiple segments. Multiple inserted receive compared scheme. Unlike other schemes using...

The eigen equation of pitch-angle distribution derived from the slowing-down with an energetic particle source term is solved by using Legendre series expansion method. An iteration matrix established when scattering terms become important. whole region separated into three parts, two passing regions, and one trapped area. for each finally obtained. method applied to solve equations that Maxwellian-like, neutral beam injection, radial drifts. functions are convergent different distribution....

The transmission characteristics of the electromagnetic wave are numerically investigated in two‐dimensional compound plasmonic structures composed two straight subwavelength metal‐insulator‐metal (MIM) waveguides and a ring resonator. MIM situate on both sides resonator, waveguide outgoing side has positional angular deviation θ relative to incoming side. results show that filtering performances asymmetric ( ≠ 0 ∘ ) greatly improved comparison with symmetric structure = ). For most...

Optical transmission through a double-layer compound metallic grating (DCMG) composed of two identical gratings (CMGs) with subwavelength slits filled different dielectrics inside each period is investigated by using the finite-difference time-domain method. The results show that properties DCMG are dependent on both separation G between layers and phase configurations electromagnetic waves at exits adjacent layer. When suitable (G ∼ 300 nm) chosen, for notable peak emerges certain...

The enhanced transport of passing energetic ions (PEIs) in presence the resonant interactions with a rotating magnetic island is investigated within drift kinetic framework. When rotation plays role interaction, we find that velocities PEIs satisfy constraint relation flux surface phase space. surfaces overlap real A new channel responsible for moving across surfaces, i.e., continuously overlapping, found. Two kinds radial motions can be induced by overlapping: one arises from coupling...

The threshold conditions for Trivelpiece–Gould (TG) wave and helicon excitation by double-saddle antenna in H-1 are studied. propagation condition TG waves is more lenient than that waves, the transparency region of smaller plasma density–magnetic field strength plane. At low magnetic fields B < 0.14 T, density gradually increases with B. temporal evolutions eigenmodes, radial structure, power deposition, interdependent on each other, quenched drives |Re(Er)| up to a maximum core, which may...

Abstract In this work, based on the liquid-drop model and considering shell correction, we propose a simple formula to calculate released energy of proton radioactivity ( Q p ). The parameters are obtained by fitting experimental data 29 nuclei with from ground state. standard deviation between theoretical values ones is only 0.157 MeV. addition, extend 51 candidates in region ≤ Z 83 taken latest evaluated atomic mass table AME2016 compared calculated WS4 HFB-29. results indicate that...

Based on the finite temperature plasma dielectric tensor model which contains particle thermal effect, by numerically solving eigenmode dispersion relation of electromagnetic waves propagating in radially uniform and magnetized warm column is surrounded conducting boundary, mode coupling characteristic liner damping mechanism induced wave power deposition properties helicon Trivelpiece-Gould (TG) are parametrically analyzed. The detailed investigations show as follows. Under typical...

The impedance matching is crucial for continuous wave operation of ion cyclotron resonance heating (ICRH) antennae with high power injection into plasmas. A sudden increase in the reflected radio frequency due to an mismatch ICRH system issue which must be solved present-day and future fusion reactors. This paper presents a method theoretical analysis triple liquid stub tuner under plasma operational conditions. relationship antenna input parameters operating first obtained using global...

Phase and attenuation properties of azimuthal symmetric surface waves are investigated analytically in an un-magnetized cylindrical plasma column based on the transcendental dispersion relation. A novel method calculating wave power deposition terms complex electric conductivity is proposed. Electron density distribution obtained theoretically through charged particle balance theory. It shown that effect electron temperature curve can be neglected when kzα &amp;lt; 1. Both phase/attenuation...

The enhanced transport of trapped energetic ions (TEIs) in the presence resonant interactions between fast and a rotating magnetic island is investigated within drift-kinetic framework. Gyro-orbit banana center model equations resonances rotation, bounce motion ions, their precession frequency (poloidal helical direction) are constructed. There two solutions for phase space different mode numbers, with only one solution having low-energy lines (&amp;lt;100 keV); other has not but also...

This paper attempts to present a new design-for-testability (DFT) method which implements an improved test point insertion strategy on pseudorandom scan BIST. The testability of circuit is affected greatly by the reconvergent fan-outs and their branches. We first introduce measure based analysis conditional probability. It considers fan-outs' influence can be applied select signal lines where points should inserted. Then, we structure technique cut down timing delay area overhead traditional...

Based on the dispersion equation obtained from Helmholtz in plasma sheath region and main column for surface waves, propagation constant properties interface of are studied. The analytic formula azimuthally symmetric wave (m = 0 mode) non-symmetric waves 1, 2, 3, 4 modes) is presented, which indicates effect thickness characteristics. analytical result shows that has a significant influence when 0.01 times smaller than both while there difference amplitude between m 1 mode other four modes.