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Volumn 84, Issue 3, 2011, Pages

Spectroscopy of the soliton lattice formation in quasi-one-dimensional fermionic superfluids with population imbalance

Author keywords

[No Author keywords available]

Indexed keywords

ANDREEV BOUND STATE; BRAGG SCATTERING; CRITICAL VALUE; FERMIONIC SUPERFLUID; FFLO STATE; HYPERFINE STATE; MEAN-FIELD SOLUTION; ORDER PARAMETER; QUASI-ONE-DIMENSIONAL; QUASI-PARTICLE STATE; SOLITON LATTICE; SPATIAL IN-HOMOGENEITY; SPATIALLY INHOMOGENEOUS; SUPERFLUID ORDER PARAMETER;

EID: 80052453444     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.84.033609     Document Type: Article
Times cited : (38)

References (91)
  • 1
    • 33747876356 scopus 로고
    • PHRVAO 0031-899X 10.1103/PhysRev.135.A550
    • P. Fulde and R. A. Ferrell, Phys. Rev. PHRVAO 0031-899X 10.1103/PhysRev.135.A550 135, A550 (1964).
    • (1964) Phys. Rev. , vol.135 , pp. 550
    • Fulde, P.1    Ferrell, R.A.2
  • 7
    • 78649666103 scopus 로고    scopus 로고
    • PRBMDO 1098-0121 10.1103/PhysRevB.82.172504
    • A. G. Lebed and S. Wu, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.82. 172504 82, 172504 (2010).
    • (2010) Phys. Rev. B , vol.82 , pp. 172504
    • Lebed, A.G.1    Wu, S.2
  • 9
    • 35648943252 scopus 로고    scopus 로고
    • Calorimetric evidence for a Fulde-Ferrell-Larkin-Ovchinnikov superconducting state in the layered organic superconductor κ-(BEDT-TTF) 2Cu(NCS)2
    • DOI 10.1103/PhysRevLett.99.187002
    • R. Lortz, Y. Wang, A. Demuer, P. H. M. Böttger, B. Bergk, G. Zwicknagl, Y. Nakazawa, and J. Wosnitza, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.99.187002 99, 187002 (2007). (Pubitemid 350025410)
    • (2007) Physical Review Letters , vol.99 , Issue.18 , pp. 187002
    • Lortz, R.1    Wang, Y.2    Demuer, A.3    Bottger, P.H.M.4    Bergk, B.5    Zwicknagl, G.6    Nakazawa, Y.7    Wosnitza, J.8
  • 10
    • 77958071659 scopus 로고    scopus 로고
    • IJPBEV 0217-9792 10.1142/S0217979210056396
    • G. Zwicknagl and J. Wosnitza, Int. J. Mod. Phys. B IJPBEV 0217-9792 10.1142/S0217979210056396 24, 3915 (2010).
    • (2010) Int. J. Mod. Phys. B , vol.24 , pp. 3915
    • Zwicknagl, G.1    Wosnitza, J.2
  • 11
    • 31544460972 scopus 로고    scopus 로고
    • Fermionic superfluidity with imbalanced spin populations
    • DOI 10.1126/science.1122318
    • M. W. Zwierlein, A. Schirotzek, C. H. Schunck, and W. Ketterle, Science SCIEAS 0036-8075 10.1126/science.1122318 311, 492 (2006); (Pubitemid 43157722)
    • (2006) Science , vol.311 , Issue.5760 , pp. 492-496
    • Zwierlein, M.W.1    Schirotzek, A.2    Schunck, C.H.3    Ketterle, W.4
  • 12
    • 33746017374 scopus 로고    scopus 로고
    • Direct observation of the superfluid phase transition in ultracold Fermi gases
    • DOI 10.1038/nature04936, PII NATURE04936
    • M. W. Zwierlein, C. H. Schunck, A. Schirotzek, and W. Ketterle, Nature NATUAS 0028-0836 10.1038/nature04936 442, 54 (2006); (Pubitemid 44064206)
    • (2006) Nature , vol.442 , Issue.7098 , pp. 54-58
    • Zwierlein, M.W.1    Schunck, C.H.2    Schirotzek, A.3    Ketterle, W.4
  • 13
    • 33746489979 scopus 로고    scopus 로고
    • Observation of phase separation in a strongly interacting imbalanced fermi gas
    • DOI 10.1103/PhysRevLett.97.030401
    • Y. Shin, M. W. Zwierlein, C. H. Schunck, A. Schirotzek, and W. Ketterle, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.97.030401 97, 030401 (2006); (Pubitemid 44079198)
    • (2006) Physical Review Letters , vol.97 , Issue.3 , pp. 030401
    • Shin, Y.1    Zwierlein, M.W.2    Schunck, C.H.3    Schirotzek, A.4    Ketterle, W.5
  • 14
    • 34248640134 scopus 로고    scopus 로고
    • Physics: Pairing without superfluidity: The ground state of an imbalanced fermi mixture
    • DOI 10.1126/science.1140749
    • C. H. Schunck, Y. Shin, A. Schirotzek, M. W. Zwierlein, and W. Ketterle, Science SCIEAS 0036-8075 10.1126/science.1140749 316, 867 (2007). (Pubitemid 46766563)
    • (2007) Science , vol.316 , Issue.5826 , pp. 867-870
    • Schunck, C.H.1    Shin, Y.2    Schirotzek, A.3    Zwierlein, M.W.4    Ketterle, W.5
  • 15
    • 31544448310 scopus 로고    scopus 로고
    • Pairing and phase separation in a polarized fermi gas
    • DOI 10.1126/science.1122876
    • G. B. Partridge, W. Li, R. I. Kamar, Y.-A. Liao, and R. G. Hulet, Science SCIEAS 0036-8075 10.1126/science.1122876 311, 503 (2006); (Pubitemid 43157724)
    • (2006) Science , vol.311 , Issue.5760 , pp. 503-505
    • Partridge, G.B.1    Li, W.2    Kamar, R.I.3    Liao, Y.-A.4    Hulet, R.G.5
  • 18
    • 1842832802 scopus 로고    scopus 로고
    • Inhomogeneous superconductivity in condensed matter and QCD
    • DOI 10.1103/RevModPhys.76.263
    • R. Casalbuoni and G. Nardulli, Rev. Mod. Phys. RMPHAT 0034-6861 10.1103/RevModPhys.76.263 76, 263 (2004). (Pubitemid 38491720)
    • (2004) Reviews of Modern Physics , vol.76 , Issue.1 , pp. 263-320
    • Casalbuoni, R.1    Nardulli, G.2
  • 19
    • 85057623012 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.96.060401
    • D. E. Sheehy and L. Radzihovsky, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.96.060401 96, 060401 (2006);
    • (2006) Phys. Rev. Lett. , vol.96 , pp. 060401
    • Sheehy, D.E.1    Radzihovsky, L.2
  • 20
    • 34347259536 scopus 로고    scopus 로고
    • APNYA6 0003-4916 10.1016/j.aop.2006.09.009
    • D. E. Sheehy and L. Radzihovsky, Ann. Phys. (Leipzig) APNYA6 0003-4916 10.1016/j.aop.2006.09.009 322, 1790 (2007).
    • (2007) Ann. Phys. (Leipzig) , vol.322 , pp. 1790
    • Sheehy, D.E.1    Radzihovsky, L.2
  • 21
    • 0034904261 scopus 로고    scopus 로고
    • PRBMDO 1098-0121 10.1103/PhysRevB.63.140511
    • K. Yang, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.63.140511 63, 140511 (R) (2001).
    • (2001) Phys. Rev. B , vol.63 , pp. 140511
    • Yang, K.1
  • 22
    • 37249056524 scopus 로고    scopus 로고
    • Quasi-one-dimensional polarized fermi superfluids
    • DOI 10.1103/PhysRevLett.99.250403
    • M. M. Parish, S. K. Baur, E. J. Mueller, and D. A. Huse, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.99.250403 99, 250403 (2007). (Pubitemid 350281288)
    • (2007) Physical Review Letters , vol.99 , Issue.25 , pp. 250403
    • Parish, M.M.1    Baur, S.K.2    Mueller, E.J.3    Huse, D.A.4
  • 23
    • 47749087513 scopus 로고    scopus 로고
    • PLRAAN 1050-2947 10.1103/PhysRevA.78.011603
    • M. Iskin and C. J. Williams, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.78.011603 78, 011603 (R) (2008).
    • (2008) Phys. Rev. A , vol.78 , pp. 011603
    • Iskin, M.1    Williams, C.J.2
  • 24
    • 70449688056 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.103.215301
    • E. Burovski, G. Orso, and T. Jolicoeur, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.103.215301 103, 215301 (2009).
    • (2009) Phys. Rev. Lett. , vol.103 , pp. 215301
    • Burovski, E.1    Orso, G.2    Jolicoeur, T.3
  • 25
    • 19544367099 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.93.090408
    • J. N. Fuchs, A. Recati, and W. Zwerger, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.93.090408 93, 090408 (2004);
    • (2004) Phys. Rev. Lett. , vol.93 , pp. 090408
    • Fuchs, J.N.1    Recati, A.2    Zwerger, W.3
  • 26
    • 19544382691 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.93.090405
    • I. V. Tokatly, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.93. 090405 93, 090405 (2004).
    • (2004) Phys. Rev. Lett. , vol.93 , pp. 090405
    • Tokatly, I.V.1
  • 27
    • 33847070870 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.98.070402
    • G. Orso, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.98.070402 98, 070402 (2007);
    • (2007) Phys. Rev. Lett. , vol.98 , pp. 070402
    • Orso, G.1
  • 28
    • 33847020077 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.98.070403
    • H. Hu, X.-J. Liu, and P. D. Drummond, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.98.070403 98, 070403 (2007).
    • (2007) Phys. Rev. Lett. , vol.98 , pp. 070403
    • Hu, H.1    Liu, X.-J.2    Drummond, P.D.3
  • 29
    • 49149124185 scopus 로고    scopus 로고
    • PLRAAN 1050-2947 10.1103/PhysRevA.78.013637
    • A. Luscher, R. M. Noack, and A. M. Lauchli, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.78.013637 78, 013637 (2008).
    • (2008) Phys. Rev. A , vol.78 , pp. 013637
    • Luscher, A.1    Noack, R.M.2    Lauchli, A.M.3
  • 30
    • 65549095955 scopus 로고    scopus 로고
    • PLRAAN 1050-2947 10.1103/PhysRevA.79.041603
    • P. Kakashvili and C. J. Bolech, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.79.041603 79, 041603 (2009).
    • (2009) Phys. Rev. A , vol.79 , pp. 041603
    • Kakashvili, P.1    Bolech, C.J.2
  • 31
    • 57449085937 scopus 로고    scopus 로고
    • PLRAAN 1050-2947 10.1103/PhysRevA.78.063605
    • E. Zhao and W. V. Liu, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.78. 063605 78, 063605 (2008);
    • (2008) Phys. Rev. A , vol.78 , pp. 063605
    • Zhao, E.1    Liu, W.V.2
  • 33
    • 37649018774 scopus 로고    scopus 로고
    • PRBMDO 1098-0121 10.1103/PhysRevB.76.220508
    • A. E. Feiguin and F. Heidrich-Meisner, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.76.220508 76, 220508 (R) (2007);
    • (2007) Phys. Rev. B , vol.76 , pp. 220508
    • Feiguin, A.E.1    Heidrich-Meisner, F.2
  • 34
    • 61349169158 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.102.076403
    • A. E. Feiguin and F. Heidrich-Meisner, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.102.076403 102, 076403 (2009).
    • (2009) Phys. Rev. Lett. , vol.102 , pp. 076403
    • Feiguin, A.E.1    Heidrich-Meisner, F.2
  • 35
    • 65249125198 scopus 로고    scopus 로고
    • PRBMDO 1098-0121 10.1103/PhysRevB.79.100507
    • A. E. Feiguin and D. A. Huse, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.79.100507 79, 100507 (R) (2009).
    • (2009) Phys. Rev. B , vol.79 , pp. 100507
    • Feiguin, A.E.1    Huse, D.A.2
  • 37
  • 38
    • 41149118539 scopus 로고    scopus 로고
    • Density-matrix renormalization group study of trapped imbalanced fermi condensates
    • DOI 10.1103/PhysRevLett.100.110403
    • M. Tezuka and M. Ueda, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.100.110403 100, 110403 (2008). (Pubitemid 351434245)
    • (2008) Physical Review Letters , vol.100 , Issue.11 , pp. 110403
    • Tezuka, M.1    Ueda, M.2
  • 40
    • 66049153986 scopus 로고    scopus 로고
    • PLRAAN 1050-2947 10.1103/PhysRevA.79.051604
    • B. Wang, H.-D. Chen, and S. Das Sarma, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.79.051604 79, 051604 (R) (2009).
    • (2009) Phys. Rev. A , vol.79 , pp. 051604
    • Wang, B.1    Chen, H.-D.2    Das Sarma, S.3
  • 41
    • 41449112811 scopus 로고    scopus 로고
    • Exact numerical study of pair formation with imbalanced fermion populations
    • DOI 10.1103/PhysRevLett.100.116405
    • G. G. Batrouni, M. H. Huntley, V. G. Rousseau, and R. T. Scalettar, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.100.116405 100, 116405 (2008); (Pubitemid 351457196)
    • (2008) Physical Review Letters , vol.100 , Issue.11 , pp. 116405
    • Batrouni, G.G.1    Huntley, M.H.2    Rousseau, V.G.3    Scalettar, R.T.4
  • 43
    • 51749117349 scopus 로고    scopus 로고
    • PLRAAN 1050-2947 10.1103/PhysRevA.78.033607
    • M. Casula, D. M. Ceperley, and E. J. Mueller, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.78.033607 78, 033607 (2008).
    • (2008) Phys. Rev. A , vol.78 , pp. 033607
    • Casula, M.1    Ceperley, D.M.2    Mueller, E.J.3
  • 44
  • 45
    • 77953499082 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.104.236402
    • A. Korolyuk, F. Massel, and P. Törmä, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.104.236402 104, 236402 (2010).
    • (2010) Phys. Rev. Lett. , vol.104 , pp. 236402
    • Korolyuk, A.1    Massel, F.2    Törmä, P.3
  • 46
    • 77951266505 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.104.165302
    • Y.-L. Loh and N. Trivedi, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.104.165302 104, 165302 (2010).
    • (2010) Phys. Rev. Lett. , vol.104 , pp. 165302
    • Loh, Y.-L.1    Trivedi, N.2
  • 47
    • 80052511897 scopus 로고    scopus 로고
    • M. Swanson, Y. L. Loh, and N. Trivedi, e-print arXiv: 1106.3908 (2011)
    • M. Swanson, Y. L. Loh, and N. Trivedi, e-print arXiv: 1106.3908 (2011).
  • 49
    • 79961045915 scopus 로고    scopus 로고
    • 1050-2947 10.1103/PhysRevA.83.063621
    • Z. Cai, Y. Wang, and C. Wu, Phys. Rev. A 1050-2947 10.1103/PhysRevA.83. 063621 83, 063621 (2011).
    • (2011) Phys. Rev. A , vol.83 , pp. 063621
    • Cai, Z.1    Wang, Y.2    Wu, C.3
  • 52
    • 2842602778 scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.19.1312
    • C. N. Yang, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.19.1312 19, 1312 (1967).
    • (1967) Phys. Rev. Lett. , vol.19 , pp. 1312
    • Yang, C.N.1
  • 53
    • 0002125224 scopus 로고
    • PYLAAG 0375-9601 10.1016/0375-9601(67)90193-4
    • M. M. Gaudin, Phys. Lett. A PYLAAG 0375-9601 10.1016/0375-9601(67)90193-4 24, 55 (1967).
    • (1967) Phys. Lett. A , vol.24 , pp. 55
    • Gaudin, M.M.1
  • 54
    • 4243383153 scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.21.192.2
    • E. H. Lieb and F. Y. Wu, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.21.192.2 21, 192 (1968).
    • (1968) Phys. Rev. Lett. , vol.21 , pp. 192
    • Lieb, E.H.1    Wu, F.Y.2
  • 59
    • 4243170265 scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.46.742
    • B. Horovitz, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.46.742 46, 742 (1981).
    • (1981) Phys. Rev. Lett. , vol.46 , pp. 742
    • Horovitz, B.1
  • 61
    • 0022064538 scopus 로고
    • PSSBBD 0370-1972 10.1002/pssb.2221290123
    • J. Mertsching, Phys. Status Solidi B PSSBBD 0370-1972 10.1002/pssb.2221290123 129, 235 (1985).
    • (1985) Phys. Status Solidi B , vol.129 , pp. 235
    • Mertsching, J.1
  • 66
    • 0000442048 scopus 로고
    • PRBMDO 1098-0121 10.1103/PhysRevB.30.122
    • K. Machida and H. Nakanishi, Phys. Rev. B PRBMDO 1098-0121 10.1103/PhysRevB.30.122 30, 122 (1984).
    • (1984) Phys. Rev. B , vol.30 , pp. 122
    • MacHida, K.1    Nakanishi, H.2
  • 69
    • 80052446544 scopus 로고    scopus 로고
    • Fulde and Ferrell proposed a complex order parameter Δ(x) proportional to either exp(iQx) or exp(-iQx). This order parameter opens only one of the two energy gaps and, thus, is less favorable than the real one proportional to sin(Qx)
    • Fulde and Ferrell proposed a complex order parameter Δ (x) proportional to either exp (i Q x) or exp (- i Q x). This order parameter opens only one of the two energy gaps and, thus, is less favorable than the real one proportional to sin (Q x).
  • 70
    • 0036641081 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.89.017002
    • H.-J. Kwon and V. M. Yakovenko, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.89.017002 89, 017002 (2002).
    • (2002) Phys. Rev. Lett. , vol.89 , pp. 017002
    • Kwon, H.-J.1    Yakovenko, V.M.2
  • 71
    • 84855402452 scopus 로고    scopus 로고
    • PLRAAN 1050-2947 10.1103/PhysRevA.75.063601
    • N. Yoshida and S.-K. Yip, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.75.063601 75, 063601 (2007).
    • (2007) Phys. Rev. A , vol.75 , pp. 063601
    • Yoshida, N.1    Yip, S.-K.2
  • 72
    • 0009322069 scopus 로고
    • NUPBBO 0550-3213 10.1016/0550-3213(82)90071-2
    • E. Witten, Nucl. Phys. B NUPBBO 0550-3213 10.1016/0550-3213(82)90071-2 202, 253 (1981);
    • (1981) Nucl. Phys. B , vol.202 , pp. 253
    • Witten, E.1
  • 78
  • 83
    • 4243204076 scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.75.4134
    • I. I. Mazin and V. M. Yakovenko, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.75.4134 75, 4134 (1995).
    • (1995) Phys. Rev. Lett. , vol.75 , pp. 4134
    • Mazin, I.I.1    Yakovenko, V.M.2
  • 85
    • 35348825614 scopus 로고    scopus 로고
    • Spectroscopic signatures of nonequilibrium pairing in atomic fermi gases
    • DOI 10.1103/PhysRevLett.99.160402
    • M. Dzero, E. A. Yuzbashyan, B. L. Altshuler, and P. Coleman, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.99.160402 99, 160402 (2007). (Pubitemid 47587569)
    • (2007) Physical Review Letters , vol.99 , Issue.16 , pp. 160402
    • Dzero, M.1    Yuzbashyan, E.A.2    Altshuler, B.L.3    Coleman, P.4
  • 86
    • 0042502858 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.85.487
    • P. Törmä and P. Zoller, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.85.487 85, 487 (2000);
    • (2000) Phys. Rev. Lett. , vol.85 , pp. 487
    • Törmä, P.1    Zoller, P.2
  • 88
    • 4143139632 scopus 로고    scopus 로고
    • Pairing gap and in-gap excitations in trapped fermionic superfluids
    • DOI 10.1126/science.1100782
    • J. Kinnunen, M. Rodriguez, and P. Törmä, Science SCIEAS 0036-8075 10.1126/science.1100782 305, 1131 (2004); (Pubitemid 39100320)
    • (2004) Science , vol.305 , Issue.5687 , pp. 1131-1133
    • Kinnunen, J.1    Rodriguez, M.2    Torma, P.3
  • 89
    • 3242718875 scopus 로고    scopus 로고
    • PRLTAO 0031-9007 10.1103/PhysRevLett.92.230403
    • J. Kinnunen, M. Rodriguez, and P. Törmä, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.92.230403 92, 230403 (2004).
    • (2004) Phys. Rev. Lett. , vol.92 , pp. 230403
    • Kinnunen, J.1    Rodriguez, M.2    Törmä, P.3


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