D2 +中的孤立振动波包：定义叠加条件和波包可叠加性
Isolated vibrational wavepackets in D2+: Defining superposition conditions and wavepacket distinguishability
摘要：
室温D $_2$在超短（12飞秒）近红外（800 nm）泵浦激光脉冲中的隧道电离激发了D2+离子中的振动波包;在剩余的D2分子中也激发了旋转波包。这两种波包类型崩溃后的一个变量的时间由超短探测脉冲。我们隔离的振动波包和量化其演化动力学通过理论比较。量子计算（初始相干性和量子态检索）的要求进行了研究，使用这个定义良好的（在室温下的初始状态的数量少，初始波包空间本地化）单电子分子原型通过时间拉伸的泵和探测脉冲。
英文摘要：
Tunnel ionization of room-temperature D$_2$ in an ultrashort (12 femtosecond) near infra-red (800 nm) pump laser pulse excites a vibrational wavepacket in the D2+ ions; a rotational wavepacket is also excited in residual D2 molecules. Both wavepacket types are collapsed a variable time later by an ultrashort probe pulse. We isolate the vibrational wavepacket and quantify its evolution dynamics through theoretical comparison. Requirements for quantum computation (initial coherence and quantum state retrieval) are studied using this well-defined (small number of initial states at room temperature, initial wavepacket spatially localized) single-electron molecular prototype by temporally stretching the pump and probe pulses.
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