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28 天
25年过去了,千禧年的10大物理学难题依旧悬而未决
图源:公共领域/检索自 Fermilab Today 从理论的角度来看,我们不知道什么样的动力学才能将我们从完整的弦理论(它预测至少)一个由类似 Brans-Dicke(标量 + 张量)引力理论控制的 10 维时空,以及巨大的粒子和相互作用谱)带到我们今天所处的宇宙:只有一个 4 ...
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