Combination of multiple tools for surface manipulation of polar molecules

doi:10.1088/1674-1056/26/11/113701

Abstract A scheme of surface manipulation and control of polar molecules is proposed, which combines three tools of electrostatic velocity filtering, bunching, and storing. In the scheme, a slow molecular beam is produced from an effusive beam by surface velocity filtering. Then the velocity spread of the slow molecular beam is compressed by a buncher consisting of a series of electrodes. Following that the molecular beam with a narrow velocity spread is stored in a storage ring. Using ND₃ molecule as a tester, the feasibility of our scheme is analyzed theoretically and verified via numerical simulations that cover all three manipulation processes. The results show that cold molecular samples can be prepared from a thermal gas reservoir and stored in the storage ring with more than 10 round trips. Our combined scheme facilitates the production and manipulation of polar molecules, offering new opportunities for basic research and intriguing applications such as quantum information science and cold collisions.

Keywords: electrostatic surface manipulation cold molecular beam

Received: 07 June 2017
Revised: 31 July 2017
Accepted manuscript online:

PACS:	37.10.Mn	(Slowing and cooling of molecules)
	37.10.Pq	(Trapping of molecules)
	37.20.+j	(Atomic and molecular beam sources and techniques)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 91536218, 11034002, 11274114, 11504112, and 11504318) and the National Basic Research Program of China (Grant No. 2011CB921602).

Corresponding Authors: Shun-Yong Hou, Jian-Ping Yin
E-mail: syhou@lps.ecnu.edu.cn;jpyin@phy.ecnu.edu.cn

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Qiang Wang(王强), Bin Wei(魏斌), Heng-Jiao Guo(郭恒娇), Sheng-Qiang Li(李胜强), Shun-Yong Hou(侯顺永), Jian-Ping Yin(印建平) Combination of multiple tools for surface manipulation of polar molecules 2017 Chin. Phys. B 26 113701

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Combination of multiple tools for surface manipulation of polar molecules

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