Three-dimensional Fréchet sensitivity kernels for electromagnetic wave propagation

SiD2 using three-dimensional wave packet propagation

Dissociations after the à B1→ B̃ A1 photoexcitation of SiH2, SiHD, and SiD2 were studied to investigate excited-state dynamics and effects of the initial vibrational state. The cross section for the photodissociation relative to SiH2 B̃ →Si D +H2 and the rovibrational population of the H2 fragment were computed using the wave packet propagation technique based on the three-dimensional potential e...

Frozen Gaussian approximation for three-dimensional seismic wave propagation

Absorbing boundary conditions for electromagnetic wave propagation

In this paper, the theoretical perfectly absorbing boundary condition on the boundary of a half{space domain is developed for the Maxwell system by considering the system in whole instead of considering each component of the electromagnetic elds individually. This boundary condition allows any wave motion generated within the domain to pass through the boundary of the domain without generating ...

Three-dimensional wave propagation through single crystal solid–liquid interfaces

Large differences in the ultrasonic velocity of the solid and liquid phases of semiconductors have stimulated an interest in the use of laser ultrasonic methods for locating and characterizing solid– liquid interfaces during single crystal growth. A previously developed two-dimensional ray tracing analysis has been generalized and used to investigate three-dimensional ultrasonic propagation acr...

Elastic wave propagation along waveguides in three-dimensional phononic crystals

We investigate theoretically using the finite difference time domain method acoustic wave propagation along waveguides in three-dimensional phononic crystals constituted of lead spherical inclusions on a face-centered cubic lattice embedded in an epoxy matrix. The transmission spectra of the perfect phononic crystal for transverse and longitudinal acoustic waves are shown to depend strongly on ...