[1] Feldmann J, Leo K, ShahJ, Miller D A B, Cunningham J E, Meier T, von Plessen G, Schulze A, Thomas P and Schmitt-Rink S 1992 Phys. Rev. B 46 7252 [2] Leo K, Bolivar P H, Brggemann F, Schwedler R and Khler K 1992 Solid State Commun. 84 943 [3] Waschke C, Roskos H G, Schwedler R, Leo K, Kurz H and Khler K 1993 Phys. Rev. Lett. 70 3319 [4] Morsch O, Mller J H, Cristiani M, Ciampini D and Arimondo E 2001 Phys. Rev. Lett. 87 140402 [5] Cristiani M, Morsch O, Mller J H, Ciampini D and Arimondo E 2002 Phys. Rev. A 65 063612 [6] Peschel U, Pertsch T and Lederer F 1998 Opt. Lett. 23 1701 [7] Pertsch T, Dannberg P, Elflein W, Bruer A and Lederer F 1999 Phys. Rev. Lett. 83 4752 [8] Morandotti R, Peschel U, Aitchison J S, Eisenberg H S and Silberberg Y 1999 Phys. Rev. Lett. 83 4756 [9] Sapienza R, Costantino P, Wiersma D, Ghulinyan M, Oton C J and Pavesi L 2003 Phys. Rev. Lett. 91 263902 [10] Trompeter H, Krolikowski W, Neshev D N, Desyatnikov A S, Sukhorukov A A, Kivshar Y S, Pertsch T, Peschel U and Lederer F 2006 Phys. Rev. Lett. 96 053903 [11] Wu B and Niu Q 2003 New J. Phys. 5 104 [12] Machholm M, Pethick C J and Smith H 2003 Phys. Rev. A 67 053613 [13] Liu W M, Wu B and Niu Q 2000 Phys. Rev. Lett. 84 2294 [14] Trombettoni A and Smerzi A 2001 Phys. Rev. Lett. 86 2353 [15] Gustavsson M, Haller E, Mark M J, Danzl J G, Rojas-Kopeinig G and Nägerl H C 2008 Phys. Rev. Lett. 100 080404 [16] Fattori M, D'Errico C, Roati G, Zaccanti M, Jona-Lasinio M, Modugno M, Inguscio M and Modugno G 2008 Phys. Rev. Lett. 100 080405 [17] Witthaut D, Werder M, Mossmann S and Korsch H J 2005 Phys. Rev. E 71 036625 [18] Buchleitner A and Kolovsky A R 2003 Phys. Rev. Lett. 91 253002 [19] Gammal A, Frederico T, Tomio L and Abdullaev F Kh 2000 Phys. Lett. A 267 305 [20] Abdullaev F K, Gammal A, Tomio L and Frederico T 2001 Phys. Rev. A 63 043604 [21] Bulgac A 2002 Phys. Rev. Lett. 89 050402 [22] Khler T 2002 Phys. Rev. Lett. 89 210404 [23] Leanhardt A E, Chikkatur A P, Kielpinski D, Shin Y, Gustavson T L, Ketterle W and Pritchard D E 2002 Phys. Rev. Lett. 89 040401 [24] Pieri P and Strinati G C 2003 Phys. Rev. Lett. 91 030401 [25] Zhang W, Wright E M, Pu H and Meystre P 2003 Phys. Rev. A 68 023605 [26] Akhmediev N, Das M P and Vagov A V 1999 Int. J. Mod. Phys. B 13 625 [27] Zhang A X and Xue J K 2007 Phys. Rev. A 75 013624 [28] Abdullaev F K and Salerno M 2005 Phys. Rev. A 72 033617 [29] Merhasin I M, Gisin B V, Driben R and Malomed B A 2005 Phys. Rev. E 71 016613 [30] Mihalache D, Mazilu D, Lederer F, Kartashov Y V, Crasovan L C, Torner L and Malomed B A 2006 Phys. Rev. Lett. 97 073904 [31] Dunlap D H and Kenkre V M 1986 Phys. Rev. B 34 3625 [32] Holthaus M 1992 Phys. Rev. Lett. 69 351 [33] Zenesini A, Lignier H, Ciampini D, Morsch O and Arimondo E 2009 Phys. Rev. Lett. 102 100403 [34] Eckardt A, Weiss C and Holthaus M 2005 Phys. Rev. Lett. 95 260404 [35] Longhi S, Marangoni M, Lobino M, Ramponi R, Laporta P, Cianci E and Foglietti V 2006 Phys. Rev. Lett. 96 243901 [36] Iyer R, Aitchison J S, Wan J, Dignam M M and de Sterke C M 2007 Opt. Express 15 3212 [37] Dreisow F, Heinrich M, Szameit A, Dring S, Nolte S, Tnnermann A, Fahr S and Lederer F 2008 Opt. Express 16 3474 [38] Arlinghaus S, Langemeyer M and Holthaus M 2011 Dynamical Tunneling:Theory and Experiment (New York:Taylor & Francis) p. 289 [39] Madison K W, Fischer M C, Diener R B, Niu Q and Raizen M G 1998 Phys. Rev. Lett. 81 5093 [40] Wintersperger K, Bukov M, Nager J, Lellouch S, Demler E, Schneider U, Bloch I, Goldman N and Aidelsburger M 2020 Phys. Rev. X 10 011030 [41] Ha L C, Hung C L, Zhang X, Eismann U, Tung S K and Chin C 2013 Phys. Rev. Lett. 110 145302 [42] Mestrom P M A, Colussi V E, Secker T, Groeneveld G P and Kokkelmans S J J M F 2020 Phys. Rev. Lett. 124 143401 [43] Tan S 2008 Phys. Rev. A 78 013636 [44] Zhu S and Tan S 2017 arXiv:1710.04147[cond-mat.quant-gas] [45] Hammond A, Lavoine L and Bourdel T 2022 Phys. Rev. Lett. 128 083401 [46] Kurizki G, Kozhekin A E, Opatrny T and Malomed B A 2001 Prog. Opt. 42 93 |