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In the paper, we study electronic transport property through a quantum point contact with the saddle-point potential. Our numerical approach is based on the Green's function technique which is evaluated at the Hartree-Fork level. We reproduce relevant features of 0.7 structure when the strength of electron-electron interaction has changed. Besides, we calculate spin accumulation and noise factor at zero temperature. We deepen the understanding of the effect of strong correlation interaction on spin transport in nanometer semiconductor device.
[1] Yan S S, Gan Z Z 1995 Mesoscopic Physics (Beijing: Beijing University Press) p3 (in Chinese) [阎守胜, 甘子钊 1995 介观物理 (北京: 北京大学出版社)第3页]
[2] van Wees B J, van Houten H, Beenakker C W J, Williamson J G, Kouwenhoven L P, van der Marel D, Foxon C T 1988 Phys. Rev. Lett. 60 848
[3] Wharam D A, Thornton T J, Newbury R, Pepper M, Ahmed H, Frost J E F, Hasko D G, Peacock D C, Ritchie D A, Jones G A C 1988 J. Phys. C 21 L209
[4] Thomas K J, Nicholls J T, Simmons M Y, Pepper M, Mace D R, Ritchie D A 1996 Phys. Rev. Lett. 77 135
[5] Cornaglla P S, Balseiro C A, Avignon M 2005 Phys. Rev. B 71 024432
[6] Reilly D J, Buehler T M, O'Brien J L, Hamilton A R, Dzurak A S, Clark R G, Kane B E, Pfeiffer L N, West K W 2002 Phys. Rev. Lett. 89 246801
[7] Reukky D J, Facer G R, Dzurak A S, Kane B E, Clark R G, Stiles P J, Clark R G, Hamilton A R, O'Brien J L, Lumpkin N E, Pfeiffer L N, West K W 2001 Phys. Rev. B 63 121311
[8] Rokhinson L P, Pfeiffer L N, West K W 2006 Phys. Rev. Lett. 96 156602
[9] Lassl A, Schlagneck P, Richter K 2007 Phys. Rev. B 75 045346
[10] Hsiao J H, Hong T M 2010 Phys. Rev. B 82 115309
[11] Wan J, Cahay M, Debray P, Newrock R 2009 Phys. Rev. B 80 155440
[12] Meir Y, Hirose K, Wingreen N S 2002 Phys. Rev. Lett. 89 196802
[13] Matveev K A 2004 Phys. Rev. Lett. 92 106801
[14] Liu J J, Zhang J, An X T 2011 J. Beijing Univ. Technol. 37 4 (in Chinese) [刘建军, 张建, 安兴涛 2011 北京工业大学学报 37 4]
[15] Dicarlo L, Zhang Y, McClure D T, Reilly D J, Marcus C M, Pfeiffer L N, West K W 2006 Phys. Rev. Lett. 97 036810
[16] Roche P, Ségala J, Glattli D C, Nicholls J T, Pepper M, Graham A C, Thomas K J, Simmons M Y, Ritchie D A 2004 Phys. Rev. Lett. 93 116602
[17] An X T, Li Y X, Liu J J 2007 Acta Phys. Sin. 56 4105 (in Chinese) [安兴涛, 李玉现, 刘建军 2007 56 4105]
[18] Bttiker M 1990 Phys. Rev. B 41 7906
[19] Li Y X, Liu J J, Li B Z 2005 Acta Phys. Sin. 54 1366 (in Chinese) [李玉现, 刘建军, 李伯臧 2005 54 1366]
[20] Datta S 1995 Electroninc Transport in Mesoscopic Systems (Cambridge: Cambridge University Press) p307
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[1] Yan S S, Gan Z Z 1995 Mesoscopic Physics (Beijing: Beijing University Press) p3 (in Chinese) [阎守胜, 甘子钊 1995 介观物理 (北京: 北京大学出版社)第3页]
[2] van Wees B J, van Houten H, Beenakker C W J, Williamson J G, Kouwenhoven L P, van der Marel D, Foxon C T 1988 Phys. Rev. Lett. 60 848
[3] Wharam D A, Thornton T J, Newbury R, Pepper M, Ahmed H, Frost J E F, Hasko D G, Peacock D C, Ritchie D A, Jones G A C 1988 J. Phys. C 21 L209
[4] Thomas K J, Nicholls J T, Simmons M Y, Pepper M, Mace D R, Ritchie D A 1996 Phys. Rev. Lett. 77 135
[5] Cornaglla P S, Balseiro C A, Avignon M 2005 Phys. Rev. B 71 024432
[6] Reilly D J, Buehler T M, O'Brien J L, Hamilton A R, Dzurak A S, Clark R G, Kane B E, Pfeiffer L N, West K W 2002 Phys. Rev. Lett. 89 246801
[7] Reukky D J, Facer G R, Dzurak A S, Kane B E, Clark R G, Stiles P J, Clark R G, Hamilton A R, O'Brien J L, Lumpkin N E, Pfeiffer L N, West K W 2001 Phys. Rev. B 63 121311
[8] Rokhinson L P, Pfeiffer L N, West K W 2006 Phys. Rev. Lett. 96 156602
[9] Lassl A, Schlagneck P, Richter K 2007 Phys. Rev. B 75 045346
[10] Hsiao J H, Hong T M 2010 Phys. Rev. B 82 115309
[11] Wan J, Cahay M, Debray P, Newrock R 2009 Phys. Rev. B 80 155440
[12] Meir Y, Hirose K, Wingreen N S 2002 Phys. Rev. Lett. 89 196802
[13] Matveev K A 2004 Phys. Rev. Lett. 92 106801
[14] Liu J J, Zhang J, An X T 2011 J. Beijing Univ. Technol. 37 4 (in Chinese) [刘建军, 张建, 安兴涛 2011 北京工业大学学报 37 4]
[15] Dicarlo L, Zhang Y, McClure D T, Reilly D J, Marcus C M, Pfeiffer L N, West K W 2006 Phys. Rev. Lett. 97 036810
[16] Roche P, Ségala J, Glattli D C, Nicholls J T, Pepper M, Graham A C, Thomas K J, Simmons M Y, Ritchie D A 2004 Phys. Rev. Lett. 93 116602
[17] An X T, Li Y X, Liu J J 2007 Acta Phys. Sin. 56 4105 (in Chinese) [安兴涛, 李玉现, 刘建军 2007 56 4105]
[18] Bttiker M 1990 Phys. Rev. B 41 7906
[19] Li Y X, Liu J J, Li B Z 2005 Acta Phys. Sin. 54 1366 (in Chinese) [李玉现, 刘建军, 李伯臧 2005 54 1366]
[20] Datta S 1995 Electroninc Transport in Mesoscopic Systems (Cambridge: Cambridge University Press) p307
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