Experimental Research of Spontaneous Evolution from Ultracold Rydberg Atoms to Plasma
-
Abstract
The spontaneous evolution from ultracold Rydberg atoms to plasma is investigated in a caesium MOT by using the method of field ionization. The plasma transferred from atoms in different Rydberg states (n=22--32) are obtained experimentally. Dependence of the threshold time of evolving to
plasma and the threshold number of initial Rydberg atoms on the principal quantum number of initial Rydberg states is studied. The experimental results are in agreement with hot--cold Rydberg--Rydberg atom collision ionization theory. -
References
[1] Killian T C, Kulin S, Bergeson S D , Orozco L A and Rolston S L1999 Phys. Rev. Lett. 83 4776 [2] Kulin S, Killian T C, Bergeson S D and Rolston S L 1999 Phys. Rev. Lett. 85 318 [3] Killian T C, Lim M J, Kulin S, Dumke R, Bergeson S D and Rolston SL 2001 Phys. Rev. Lett. 86 759 [4] Robinson M P, Laburthe-Torla B, Noel M W, Gallagher T F and PilletP 2000 Phys. Rev. Lett. 85 4466 [5] Pohl T, Pattard T and Rost J M 2003 Phys. Rev. A 68 010703 [6] Gallagher T F, Pillet P, Robinson M P, Laburthe-Tolra B and Noel M W2003 J. Opt. Soc. Am. B 20 1091 [7] Vogt T, Viteau M, Zhao J M, Chotia A, Comparat D and Pillet P 2006 Phys. Rev. Lett. 97 083003 [8] Vitrant G, Raimond J M, Gross M and Haroche S 1982 J.Phys. B 15 49 [9] Li W H, Noel M W, Robinson M P, Tanner P J, Gallagher T F, ComparatD, Tolra B L, Vanhaecke N, Vogt T, Zahzam N, Pillet P and Tate D A 2004 Phys. Rev. A 70 042713 [10] Robicheaux F and Hanson J D 2003 Phys. Plasmas 10 2217 [11] Gupta P, Laha S, Simien C E, Gao H, Castro J and Killian T C 2007 Phys. Rev. Lett. 99 075005 -
Related Articles
[1] Bang Liu, Li-Hua Zhang, Qi-Feng Wang, Yu Ma, Tian-Yu Han, Zong-Kai Liu, Zheng-Yuan Zhang, Shi-Yao Shao, Jun Zhang, Qing Li, Han-Chao Chen, Yu-Long Han, Dong-Sheng Ding, Bao-Sen Shi. Cavity-enhanced Rydberg atom microwave receiver [J]. Chin. Phys. Lett., 2025, 42(5). doi: 10.1088/0256-307X/42/5/053201 [2] ZHANG Ji-Cai, ZHU Zun-Lue, LIU Yu-Fang, SUN Jin-Feng. Elastic Scattering Properties of Ultracold Strontium Atoms [J]. Chin. Phys. Lett., 2011, 28(12): 123401. doi: 10.1088/0256-307X/28/12/123401 [3] HU Qiu-Bo, ZHANG Yong-Sheng, SUN Jin-Feng, YU Ke. Elastic Scattering between Ultracold 23Na and 85Rb Atoms in the Triplet State [J]. Chin. Phys. Lett., 2011, 28(4): 043201. doi: 10.1088/0256-307X/28/4/043201 [4] HU Qiu-Bo, ZHANG Yong-Sheng, SUN Jin-Feng. Elastic Scattering of Ultracold 23Na and 39K Atoms in the Singlet State [J]. Chin. Phys. Lett., 2010, 27(2): 023202. doi: 10.1088/0256-307X/27/2/023202 [5] JING Qun, FENG Zhi-Gang, ZHANG Lin-Jie, LI Chang-Yong, ZHAO Jian-Ming, JIA Suo-Tang. Creation of an Ultracold Plasma by Photoionizing Laser-Cooled Caesium Atom [J]. Chin. Phys. Lett., 2008, 25(12): 4248-4252. [6] LIU Min, ZHAN Ming-Sheng. Enhanced Quantum Reflection of Ultracold Atoms with Strong Interatomic Interaction [J]. Chin. Phys. Lett., 2008, 25(9): 3154-3157. [7] FENG Zhi-Gang, ZHANG Lin-Jie, ZHAO Jian-Ming, LI Chang-Yong, LI An-Ling, JIA Suo-Tang. Measurement of Ionization Threshold of Ultracold Cesium Rydberg Atoms in Static Electric Field [J]. Chin. Phys. Lett., 2008, 25(7): 2661-2663. [8] LI Zhi-Qiang, ZHONG Hui-Huang, FAN Yu-Wei, SHU Ting, YANG Jian-Hua, YUAN Cheng-Wei, XU Liu-Rong, ZHAO Yan-Song. Simulation and Experimental Research of a Novel Vircator [J]. Chin. Phys. Lett., 2008, 25(7): 2566-2568. [9] XIONG Jin, ZHANG Zhi-Ming. Effects of the Center-of-Mass Motion on the Population Trapping of Ultracold Atoms [J]. Chin. Phys. Lett., 2003, 20(11): 1950-1953. [10] WANG Shiji, GU Yuan, ZHOU Guanlin, NI Yuanlong, YU Songyu, FU Sizu, MAO Chusheng, TAO Zucong, CHEN Wannian, LIN Zunqi, FAN Dianyuan, ZHANG Guoping, SHENG Jiatian, YANG Minglun, ZHANG Tanxin, SHAO Yunfeng, PENG Huirnin, HE Xiantu, YU Min. Experimental Research on Saturated-Gain for Soft X-Ray Laser from Neon-Like Germanium Plasma [J]. Chin. Phys. Lett., 1991, 8(12): 618-621.