摘要 : We study phonons in a dynamical chain of ions confined by a trap with a time-dependent (axial) potential strength and demonstrate that they behave in the same way as quantum fields in an expanding or contracting Universe. Based on... 展开
作者 | Ralf Schuetzhold Michael Uhlmann Lutz Petersen Hector Schmitz Axel Friedenauer Tobias Schaetz |
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作者单位 | |
期刊名称 | 《Physical review letters》 |
页码/总页数 | p.201301.1-201301.4 / 4 |
语种/中图分类号 | 英语 / O4 |
关键词 | quantum field theory in curved spacetime optical cooling of atoms trapping mechanical effects of light on atoms molecules electrons and ions particle-theory and field-theory models of the early universe (including cosmic pancakes cosmic strings |
馆藏号 | O-171 |