When a chemical stimulation is given to a cell of Nitella a self-sustained repetitive firing of the membrane potential in the neighboring cell is found to occur after a long time.
给一丽藻细胞以化学刺激,经过一段延时,发现与之相邻的细胞的膜电位出现了自持重复兴奋发放。
Each square cell composed of four quantum dots in the corners contains two electrons and couples with the neighboring cell by Coulomb interaction.