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本文讨论了强磁场中局域电中性二维电子气的基态能的数值迭代计算方法。计算结果表明基态能随总角动量的变化曲线只在某些角动量处出现尖角。We study the 2-D electron system in a strong magnetic field with the contribution from the meutralizing backgound included. We find that the downward cusp of the ground state energy only occurs for several angular momenta.







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