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In this paper, Path-integral Monte Carlo calculations have been performed to study structure and superfluid behavior of para-H2 clusters(number of molecules N≤40).Energy difference and superfluid fractions at T=0.4 K and 1.6 K were compared to explore quantum melting of para-H2 clusters. We discussed the interplay between quantum localization and quantum melting of para-H2 clusters, and the differences between quantum localization and superfluidity of para-H2 and ortho-D2 clusters at T = 0.4 K.
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Keywords:
- cluster /
- quantum localization /
- quantum melting /
- superfluid fractions
[1] Sindzingre P, Ceperley D M, Klein M L 1991 Phys. Rev.Lett. 67 1871
[2] Grebenev S, Sartakov B, Toennies J P, Vilesov A F 2000 Science 289 1532
[3] Khairallah S A, Sevryuk M B, Ceperley D M,ToenniesJ P 2007 Phys. Rev. Lett. 98 183401
[4] Mezzacapo F, Boninsegni M 2007 Phys. Rev. A 76 021201
[5] Jeongmin Choo, Yongkyung Kwon 2008 J. Low Temp. Phys. 150 358
[6] Sindzingre P, Klein M L, Ceperley D M 1989 Phys. Rev. Lett. 63 1601
[7] Boninsegni M, Ceperley D M 1996 J. Low Temp. Phys. 104 339
[8] Knuth E L, Schünemann F, Toennies J P 1995 J. Chem. Phys. 102 6258
[9] Yu X C, Mo Y 2004 Acta Phy. Sin.53 4075(in Chinese)[余学才、 莫 影 2004 53 4075]
[10] Buch V 1994 J. Chem. Phys. 100 7610
[11] Yu X C, Y e Y T, Cheng L 2006 Acta Phy.Sin.55 551 (in Chinese)[余学才、叶玉堂、程 琳 2006 55 551]
[12] Ceperley D M 1995 Rev. Mod. Phys. 67 279
[13] Draeger E W, Ceperley D M 2000 Phys. Rev. B 61 12094
[14] Ceperley D M, Pollock E L 1987 Can. J. Phys. 65 1416
[15] Silvera I, Goldman V V 1978 J. Chem. Phys. 69 4209
[16] Ceperley D M 2003 The Monte Carlo Method in the Physical Sciences, ed. J. E. Gubernatis, AIP Conference Proceedings, Vol 690
[17] Kwon Y, Whaley K B 2002 Phys. Rev. Lett. 89 273401
[18] Guardiolal 2008 Central European Journal of Physics 6 33
[19] Mezzacapo F, Boninsegni M 2008 Phys. Rev. Lett. 100 145301
[20] Fabio Mezzacapol, Massimo Boninsegni 2009 J. Phys.: Condens Matter 21 164205
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[1] Sindzingre P, Ceperley D M, Klein M L 1991 Phys. Rev.Lett. 67 1871
[2] Grebenev S, Sartakov B, Toennies J P, Vilesov A F 2000 Science 289 1532
[3] Khairallah S A, Sevryuk M B, Ceperley D M,ToenniesJ P 2007 Phys. Rev. Lett. 98 183401
[4] Mezzacapo F, Boninsegni M 2007 Phys. Rev. A 76 021201
[5] Jeongmin Choo, Yongkyung Kwon 2008 J. Low Temp. Phys. 150 358
[6] Sindzingre P, Klein M L, Ceperley D M 1989 Phys. Rev. Lett. 63 1601
[7] Boninsegni M, Ceperley D M 1996 J. Low Temp. Phys. 104 339
[8] Knuth E L, Schünemann F, Toennies J P 1995 J. Chem. Phys. 102 6258
[9] Yu X C, Mo Y 2004 Acta Phy. Sin.53 4075(in Chinese)[余学才、 莫 影 2004 53 4075]
[10] Buch V 1994 J. Chem. Phys. 100 7610
[11] Yu X C, Y e Y T, Cheng L 2006 Acta Phy.Sin.55 551 (in Chinese)[余学才、叶玉堂、程 琳 2006 55 551]
[12] Ceperley D M 1995 Rev. Mod. Phys. 67 279
[13] Draeger E W, Ceperley D M 2000 Phys. Rev. B 61 12094
[14] Ceperley D M, Pollock E L 1987 Can. J. Phys. 65 1416
[15] Silvera I, Goldman V V 1978 J. Chem. Phys. 69 4209
[16] Ceperley D M 2003 The Monte Carlo Method in the Physical Sciences, ed. J. E. Gubernatis, AIP Conference Proceedings, Vol 690
[17] Kwon Y, Whaley K B 2002 Phys. Rev. Lett. 89 273401
[18] Guardiolal 2008 Central European Journal of Physics 6 33
[19] Mezzacapo F, Boninsegni M 2008 Phys. Rev. Lett. 100 145301
[20] Fabio Mezzacapol, Massimo Boninsegni 2009 J. Phys.: Condens Matter 21 164205
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