Within the framework of the effective field theory (EFT) and cutting approximation, critical properties of spin-1 transverse random crystal field Ising model and biaxial Ising model with both longitudinal crystal field and transverse crystal field are investigated.
改变纵向晶场,基态出现简并。
In order to produce and control high repetitive pulses of pulse width at μs,ns and power beyond MW,a new structure of great power and super high speed semiconductor switch reversely switched dynistor(RSD) applied to laser diode (LD) pulsed source was researched.
研究了一种应用于激光驱动源的大功率超高速半导体开关反向开关晶体管(RSD)的新结构,以实现μs、ns脉宽、MW以上的高重复率脉冲的产生和控制。