逼近 10 kg 物体的运动基态
量子物理
2021-07-12 v2
摘要
机械物体的运动——即便是人大小的物体——都应受量子力学规律支配。然而，将其诱导至量子态是困难的：热环境掩盖了物体运动的任何量子特征。事实上，热环境也掩盖了所提出的在大质量尺度上对量子力学的修正效应。我们将一个 10 kg 机械振子的质心运动制备到平均声子占据数为 10.8 的状态。温度从室温降至 77 nK，相当于通过反馈将量子反作用抑制了 11 个数量级——并将制备到接近其运动基态的物体的质量提高了 13 个数量级。这为探测大质量量子系统上的引力提供了可能。
引用
@article{arxiv.2102.12665,
title = {Approaching the motional ground state of a 10 kg object},
author = {Chris Whittle and Evan D. Hall and Sheila Dwyer and Nergis Mavalvala and Vivishek Sudhir and R. Abbott and A. Ananyeva and C. Austin and L. Barsotti and J. Betzwieser and C. D. Blair and A. F. Brooks and D. D. Brown and A. Buikema and C. Cahillane and J. C. Driggers and A. Effler and A. Fernandez-Galiana and P. Fritschel and V. V. Frolov and T. Hardwick and M. Kasprzack and K. Kawabe and N. Kijbunchoo and J. S. Kissel and G. L. Mansell and F. Matichard and L. McCuller and T. McRae and A. Mullavey and A. Pele and R. M. S. Schofield and D. Sigg and M. Tse and G. Vajente and D. C. Vander-Hyde and Hang Yu and Haocun Yu and C. Adams and R. X. Adhikari and S. Appert and K. Arai and J. S. Areeda and Y. Asali and S. M. Aston and A. M. Baer and M. Ball and S. W. Ballmer and S. Banagiri and D. Barker and J. Bartlett and B. K. Berger and D. Bhattacharjee and G. Billingsley and S. Biscans and R. M. Blair and N. Bode and P. Booker and R. Bork and A. Bramley and K. C. Cannon and X. Chen and A. A. Ciobanu and F. Clara and C. M. Compton and S. J. Cooper and K. R. Corley and S. T. Countryman and P. B. Covas and D. C. Coyne and L. E. H. Datrier and D. Davis and C. Di Fronzo and K. L. Dooley and P. Dupej and T. Etzel and M. Evans and T. M. Evans and J. Feicht and P. Fulda and M. Fyffe and J. A. Giaime and K. D. Giardina and P. Godwin and E. Goetz and S. Gras and C. Gray and R. Gray and A. C. Green and E. K. Gustafson and R. Gustafson and J. Hanks and J. Hanson and R. K. Hasskew and M. C. Heintze and A. F. Helmling-Cornell and N. A. Holland and J. D. Jones and S. Kandhasamy and S. Karki and P. J. King and Rahul Kumar and M. Landry and B. B. Lane and B. Lantz and M. Laxen and Y. K. Lecoeuche and J. Leviton and J. Liu and M. Lormand and A. P. Lundgren and R. Macas and M. MacInnis and D. M. Macleod and S. Márka and Z. Márka and D. V. Martynov and K. Mason and T. J. Massinger and R. McCarthy and D. E. McClelland and S. McCormick and J. McIver and G. Mendell and K. Merfeld and E. L. Merilh and F. Meylahn and T. Mistry and R. Mittleman and G. Moreno and C. M. Mow-Lowry and S. Mozzon and T. J. N. Nelson and P. Nguyen and L. K. Nuttall and J. Oberling and Richard J. Oram and C. Osthelder and D. J. Ottaway and H. Overmier and J. R. Palamos and W. Parker and E. Payne and R. Penhorwood and C. J. Perez and M. Pirello and H. Radkins and K. E. Ramirez and J. W. Richardson and K. Riles and N. A. Robertson and J. G. Rollins and C. L. Romel and J. H. Romie and M. P. Ross and K. Ryan and T. Sadecki and E. J. Sanchez and L. E. Sanchez and T. R. Saravanan and R. L. Savage and D. Schaetzl and R. Schnabel and E. Schwartz and D. Sellers and T. Shaffer and B. J. J. Slagmolen and J. R. Smith and S. Soni and B. Sorazu and A. P. Spencer and K. A. Strain and L. Sun and M. J. Szczepańczyk and M. Thomas and P. Thomas and K. A. Thorne and K. Toland and C. I. Torrie and G. Traylor and A. L. Urban and G. Valdes and P. J. Veitch and K. Venkateswara and G. Venugopalan and A. D. Viets and T. Vo and C. Vorvick and M. Wade and R. L. Ward and J. Warner and B. Weaver and R. Weiss and B. Willke and C. C. Wipf and L. Xiao and H. Yamamoto and L. Zhang and M. E. Zucker and J. Zweizig},
journal= {arXiv preprint arXiv:2102.12665},
year = {2021}
}
备注
published version containing minor changes