国际物理学家团队在最新研究中提出，某些量子坍缩模型暗示时间本身可能存在极微小的基本不确定性，这为时钟精度设定了终极物理限制1。该研究由意大利罗马费米中心博士生尼古拉·博尔托洛蒂领导，论文已发表于《物理评论研究》2025年第7卷第4期1。
研究团队考察了迪奥西-彭罗斯模型和连续自发定位模型两种量子坍缩模型1。如果这些模型正确，时间本身应当包含极小的内在不确定性1。然而，研究人员强调，预测的效应极其微小，远低于现有任何测量水平，对日常计时没有实际后果，现代计时技术也完全不受影响1。这一发现触及了量子力学与重力统一的深层问题，提示了量子机制、引力与时空之间的隐藏联系1。该研究得到基础问题研究所"物理世界中的意识"项目的部分支持1。
An international team of physicists has found evidence that certain quantum collapse models may imply time itself contains tiny fundamental uncertainties, which would set ultimate limits on clock precision.1 The research, led by doctoral student Nicola Bortolotti from the Fermi Center in Rome, was published in Physical Review Research, Volume 7, Issue 4, in 2025.1 The study examined two quantum collapse models—the Diósi-Penrose model and Continuous Spontaneous Localization—to explore whether these mechanisms could introduce intrinsic indeterminacy into time.1
If these collapse models are correct, the researchers concluded that time itself should contain extremely small inherent uncertainty.1 However, the predicted effects are extraordinarily minute, falling far below any threshold that current measurement technology can detect. According to team member Katarina Kulchynskaya, the findings have "no practical consequences for everyday timekeeping."1 Co-researcher Christian Pisticki added that "modern timekeeping technology is completely unaffected."1
The discovery touches on deeper questions about the unification of quantum mechanics and gravity, hinting at hidden connections between quantum mechanisms, gravitation, and spacetime.1 The research received partial support from the Foundational Questions Institute's "Consciousness in the Physical World" project.1
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