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By changing the Rabi frequency of the photoassociation laser and the atom-polymer coupling strength, we investigate the effect of external field shape on atom-polymer conversion efficiency. First, by defining time-index, the external filed shape given in literature is improved. We discuss the influence of time-index on conversion efficiency, and then choose a more optimized external filed shape, it has good parameter robustness. Under the action of the external field, the adiabatic process has almost no oscillation, the adiabatic fidelity is close to 1, and the error of the system is less. The ultracold atom-polymer molecules conversion can be realized stably and efficiently.
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Keywords:
- ultracold polymer molecules /
- conversion efficiency /
- external field shape /
- the adiabatic fidelity
[1] Sabbah H, Biennier L, Sims I R, Georgievskii Y, Klippenstein S J, Smith I W M 2007 Science 317 102
[2] Bartenstein M, Altmeyer A, Riedl S, Geursen R, Jochim S, Chin C, Denschlag J H, Grimm R, Simoni A, Tiesinga E, Williams C J, Julienne P S 2005 Phys. Rev. Lett. 94 103201
[3] Melo C A R S 2008 Phys. Today 61 45
[4] Chin C, Grimm R, Julienne P, Tiesinga E 2010 Rev. Mod. Phys. 82 1225
[5] Ling H Y, Pu H, Seaman B 2004 Phys. Rev. Lett. 93 250403
[6] Jing H, Cheng J, Meystre P 2007 Phys. Rev. Lett. 99 133002
[7] Pu H, Maenner P, Zhang W P, Ling H Y 2007 Phys. Rev. Lett. 98 050406
[8] Meng S Y, Chen X H, Wu W, Fu L B 2014 Chin. Phys. B 23 040306
[9] Winkler K, Thalhammer G, Theis M, Ritsch H, Grimm R, Denschlag J H 2005 Phys. Rev. Lett. 95 063202
[10] Drummond P D, Kheruntsyan K V, Heinzen D J, Wynar R H 2002 Phys. Rev. A 65 063619
[11] Ivanov P A, Vitanov N V, Bergmann K 2004 Phys. Rev. A 70 063409
[12] Meng S Y, Wu W 2009 Acta Phys. Sin. 58 5311 (in Chinese) [孟少英, 吴炜 2009 58 5311]
[13] Liu J, Liu B, Fu L B 2008 Phys. Rev. A 78 013618
[14] Meng S Y, Fu L B, Liu J 2008 Phys. Rev. A 78 053410
[15] Dou F Q, Li S C 2012 Eur. Phys. J. B 85 185
[16] Fu L B, Liu J 2010 Ann. Phys. 325 2425
[17] Meng S Y, Fu L B, Chen J, Liu J 2009 Phys. Rev. A 79 063415
[18] Dou F Q, Li S C, Cao H, Fu L B 2012 Phys. Rev. A 85 023629
[19] Dou F Q, Fu L B, Liu J 2013 Phys. Rev. A 87 043631
[20] Ferlaino F, Knoop S, Berninger M, Harm W, D'Incao J P, Nägerl H C, Grimm R 2009 Phys. Rev. Lett. 102 140401
[21] Hadizadeh M R, Yamashita M T, Tomio L, Delfino A, Frederico T 2011 Phys. Rev. Lett. 107 135304
[22] Lu L H, Li Y Q 2008 Phys. Rev. A 77 053611
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[1] Sabbah H, Biennier L, Sims I R, Georgievskii Y, Klippenstein S J, Smith I W M 2007 Science 317 102
[2] Bartenstein M, Altmeyer A, Riedl S, Geursen R, Jochim S, Chin C, Denschlag J H, Grimm R, Simoni A, Tiesinga E, Williams C J, Julienne P S 2005 Phys. Rev. Lett. 94 103201
[3] Melo C A R S 2008 Phys. Today 61 45
[4] Chin C, Grimm R, Julienne P, Tiesinga E 2010 Rev. Mod. Phys. 82 1225
[5] Ling H Y, Pu H, Seaman B 2004 Phys. Rev. Lett. 93 250403
[6] Jing H, Cheng J, Meystre P 2007 Phys. Rev. Lett. 99 133002
[7] Pu H, Maenner P, Zhang W P, Ling H Y 2007 Phys. Rev. Lett. 98 050406
[8] Meng S Y, Chen X H, Wu W, Fu L B 2014 Chin. Phys. B 23 040306
[9] Winkler K, Thalhammer G, Theis M, Ritsch H, Grimm R, Denschlag J H 2005 Phys. Rev. Lett. 95 063202
[10] Drummond P D, Kheruntsyan K V, Heinzen D J, Wynar R H 2002 Phys. Rev. A 65 063619
[11] Ivanov P A, Vitanov N V, Bergmann K 2004 Phys. Rev. A 70 063409
[12] Meng S Y, Wu W 2009 Acta Phys. Sin. 58 5311 (in Chinese) [孟少英, 吴炜 2009 58 5311]
[13] Liu J, Liu B, Fu L B 2008 Phys. Rev. A 78 013618
[14] Meng S Y, Fu L B, Liu J 2008 Phys. Rev. A 78 053410
[15] Dou F Q, Li S C 2012 Eur. Phys. J. B 85 185
[16] Fu L B, Liu J 2010 Ann. Phys. 325 2425
[17] Meng S Y, Fu L B, Chen J, Liu J 2009 Phys. Rev. A 79 063415
[18] Dou F Q, Li S C, Cao H, Fu L B 2012 Phys. Rev. A 85 023629
[19] Dou F Q, Fu L B, Liu J 2013 Phys. Rev. A 87 043631
[20] Ferlaino F, Knoop S, Berninger M, Harm W, D'Incao J P, Nägerl H C, Grimm R 2009 Phys. Rev. Lett. 102 140401
[21] Hadizadeh M R, Yamashita M T, Tomio L, Delfino A, Frederico T 2011 Phys. Rev. Lett. 107 135304
[22] Lu L H, Li Y Q 2008 Phys. Rev. A 77 053611
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