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The Coulomb correlation and quantum coherence in a double-dot Aharonov-Bohm interferometer can result in two distinct transport channels: a fast channel and a slow one, while their coupling is tunable by changing the magnetic flux passing through an interference loop. However, these effects cannot be manifested by the conventional transport current. In this work, employing the large-deviation method which was originally developed in the nonequilibrium statistical mechanics, we perform a large-deviation analysis for the transport through this double-dot interferometer system and reveal a clear dynamical phase transition behavior.
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Keywords:
- quantum dot /
- Aharonov-Bohm interference /
- large-deviation analysis /
- dynamical phase transition
[1] Gustavsson S, Leturcq R, Simovic B, Schleser R, Ihn T, Studerus P, Ensslin K 2006 Phys. Rev. Lett. 96 076605
[2] Loss D, Sukhorukov E V 2000 Phys. Rev. Lett. 84 1035
[3] Sukhorukov E V, Burkard G, Loss D 2001 Phys. Rev. B 63 125315
[4] König J, Gefen Y 2001 Phys. Rev. Lett. 86 3855
[5] Sigrist M, Ihn T, Ensslin K, Loss D, Reinwald M, Wegscheider W 2006 Phys. Rev. Lett. 96 036804
[6] Holleitner A W, Decker C R, Qin H, Eberl K, Blick R H 2001 Phys. Rev. Lett. 87 256802
[7] Holleitner A W, Blick R H, Huttel A K, Eberl K, Kotthaus J P 2002 Science 297 70
[8] Li F, Li X Q, Zhang W M, Gurvitz S A 2009 Europhys. Lett. 88 37001
[9] Li F, Jiao H J, Luo J Y, Wang H, Li X Q 2009 Physica E 41 521
[10] Li F, Jiao H J, Luo J Y, Li X Q, Gurvitz S A 2009 Physica E 41 1707
[11] Urban D, König J 2009 Phys. Rev. B 79 165319
[12] Li J, Liu Y, Ping J, Li S S, Li X Q, Yan Y J 2011 Phys. Rev. B 84 115319
[13] Eckmann J P, Ruelle D 1985 Rev. Mod. Phys. 57 617
[14] Touchette H 2009 Phys. Rep. 478 1
[15] Garrahan J P, Jack R L, Lecomte V, Pitard E, Duijvendijk K, Wijland F 2007 Phys. Rev. Lett. 98 195702
[16] Hedges L O, Jack R L ,Garrahan J P, Chandler D 2009 Science 323 1309
[17] Garrahan J P, Lesanovsky I 2010 Phys. Rev. Lett. 104 160601
[18] Yan Y J 1998 Phys. Rev. A 58 2721
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[1] Gustavsson S, Leturcq R, Simovic B, Schleser R, Ihn T, Studerus P, Ensslin K 2006 Phys. Rev. Lett. 96 076605
[2] Loss D, Sukhorukov E V 2000 Phys. Rev. Lett. 84 1035
[3] Sukhorukov E V, Burkard G, Loss D 2001 Phys. Rev. B 63 125315
[4] König J, Gefen Y 2001 Phys. Rev. Lett. 86 3855
[5] Sigrist M, Ihn T, Ensslin K, Loss D, Reinwald M, Wegscheider W 2006 Phys. Rev. Lett. 96 036804
[6] Holleitner A W, Decker C R, Qin H, Eberl K, Blick R H 2001 Phys. Rev. Lett. 87 256802
[7] Holleitner A W, Blick R H, Huttel A K, Eberl K, Kotthaus J P 2002 Science 297 70
[8] Li F, Li X Q, Zhang W M, Gurvitz S A 2009 Europhys. Lett. 88 37001
[9] Li F, Jiao H J, Luo J Y, Wang H, Li X Q 2009 Physica E 41 521
[10] Li F, Jiao H J, Luo J Y, Li X Q, Gurvitz S A 2009 Physica E 41 1707
[11] Urban D, König J 2009 Phys. Rev. B 79 165319
[12] Li J, Liu Y, Ping J, Li S S, Li X Q, Yan Y J 2011 Phys. Rev. B 84 115319
[13] Eckmann J P, Ruelle D 1985 Rev. Mod. Phys. 57 617
[14] Touchette H 2009 Phys. Rep. 478 1
[15] Garrahan J P, Jack R L, Lecomte V, Pitard E, Duijvendijk K, Wijland F 2007 Phys. Rev. Lett. 98 195702
[16] Hedges L O, Jack R L ,Garrahan J P, Chandler D 2009 Science 323 1309
[17] Garrahan J P, Lesanovsky I 2010 Phys. Rev. Lett. 104 160601
[18] Yan Y J 1998 Phys. Rev. A 58 2721
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