用振子阱计算少体共振
Calculating few-body resonances using an oscillator trap
摘要：
我们研究了利用振子陷阱边界条件计算少体共振参数的可能性。我们把少体系统的振子陷阱和计算的能量谱和强度函数的适当选择的过渡。更宽的共振被识别为强度函数中的洛伦兹峰。较窄的共振是通过避免交叉的模式作为陷阱的大小的函数的系统的频谱。作为一个例子，我们在3-α模型中计算12 C中的0+共振。
英文摘要：
We investigate the possibility of calculating the parameters of few-body resonances using the oscillator trap boundary conditions. We place the few-body system in an oscillator trap and calculate the energy spectrum and the strength function of a suitably chosen transition. Broader resonances are identified as Lorentzian peaks in the strength function. Narrower resonances are identified through the pattern of avoided crossings in the spectrum of the system as function of the trap size. As an example we calculate 0+ resonances in 12C within the 3-alpha model.
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