In-medium effects in photon excitation of the S11 resonance from a nucleon and its decay into an η-meson are studied using the relativistic mean field approach. We examine the inmedium effects by varying the Dirac fields of the nucleon and the S11 resonance separately. We concluse that the Dirac fields of the nucleon, which reduce the nucleon effective mass, enlarge the width of the S11 resonan...

In this study, we developed a portable driving system for Diminished Haptics that transforms the haptic textures of real materials by ultrasonic vibration based on a squeeze film effect. A real material is attached on the display area (a square area with 30-mm sides) and its haptic texture is reduced. However, the vibration amplitude is decreased due to a shift of resonance frequency when a use...

We discuss the validity of a formula concerning a relation between functionals in quantum resonance scattering, which is often used in the current literature.

A wideband on-body antenna for a wireless body area network for an Industrial, Scientific, and Medical band is proposed. A wideband characteristic is achieved by combining two zeroth-order resonance (ZOR) modes at adjacent frequencies by controlling the value of the shunt capacitance. The size of the proposed antenna is 0.072λ0 × 0.33λ0, and the measured 10-dB return loss bandwidth is 340 MHz (...

In this article, we consider the boundary-value problem x′′′(t) = f(t, x(t), x′(t), x′′(t)), t ∈ (0, 1), x′′(0) = m X i=1 αix (ξi), x ′(0) = l X k=1 γkx (σk), x(1) = n X j=1 βjx(ηj), where f : [0, 1] × R3 → R is a Carathéodory function, and the kernel to the linear operator has dimension three. Under some resonance conditions, by using the coincidence degree theorem, we show the existence of so...

We present shape-independent upper limits to the power–bandwidth product for a single resonance in an optical scatterer, with the bound depending only on the material susceptibility. We show that quasistatic metallic scatterers can nearly reach the limits, and we apply our approach to the problem of designing N independent, subwavelength scatterers to achieve flat, broadband response even if th...