<span class="mw-page-title-namespace">Template</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Watanabe15a</span>
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Absence of Quantum Time Crystals. H. Watanabe and M. Oshikawa in Phys. Rev. Lett. 114:251603 (2015).