这种获得能量的电子和他留在原来能级上对应的位置的空穴的相互作用叫做一个激子激发过程，而这两个不同能级之间的部分被称作带隙。
The interaction between the energized electron and the hole it leaves behind is called an exciton, and the difference in energy levels between the hole and the electron is known as the bandgap.
研究结果表明，激子-纵光学声子相互作用通过屏蔽的库仑势减少了激子结合能及其相应的斯塔克能移。
Theoretical results show that the exciton-phonon coupling reduces both the exciton binding energies and the Stark shifts by screening the Coulomb interaction.
讨论了声子之间相互作用对激子基态能量的影响。
The influence of interaction between phonons on ground state energy of exciton has been discussed.
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