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GLD and gold in general have surged higher in recent weeks. But gold is cyclical. I prefer to express my gold position ...

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维格纳深刻认识到对称性之于物理学的意义，对发展群论的量子力学应用做出了突出贡献；特别地，他的工作解释了为什么群论应用于量子力学会比应用于经典力学能得到更多的结果。1925年维格纳甫一出道即提出量子能级必有自然宽度，其硬性假设的关系式τ∆ε=h后来被当 ...