[1] Norman M R 2011 Science 322 196
[2] Voit J 1994 Rep. Prog. Phys. 57 977
[3] Grner G 1988 Rev. Mod. Phys. 60 1129
[4] Lee I J, Brown S E, Clark W G, Strouse M J, Naughton M J, Kang W, Chaikin P M 2001 Phys. Rev. Lett. 88 017004
[5] Sepper O, Lebed A G 2013 Phys. Rev. B 87 100511
[6] Bao J K, Liu J Y, Ma C W, Meng Z H, Tang Z T, Sun Y L, Zhai H F, Jiang H, Bai H, Feng C M, Xu Z A, Cao G H 2015 Phys. Rev. X 5 011013
[7] Tang Z T, Bao J K, Liu Y, Sun Y L, Ablimit A, Zhai H F, Jiang H, Feng C M, Xu Z A, Cao G H 2015 Phys. Rev. B 91 020506
[8] Tang Z T, Bao J K, Wang Z, Bai H, Jiang H, Liu Y, Zhai H F, Feng C M, Xu Z A, Cao G H 2015 Sci. China: Mater. 58 16
[9] Zhou Y, Cao C, Zhang F C 2017 Sci. Bull. 62 208
[10] Jiang H, Cao G H, Cao C 2015 Sci. Rep. 5 16054
[11] Zhi H Z, Imai T, Ning F L, Bao J K, Cao G H 2015 Phys. Rev. Lett. 114 147004
[12] Tang Z T, Bao J K，Liu Y, Bai H, Jiang H, Zhai H F, Feng C M, Xu Z A, Cao G H 2015 Sci. China: Mater. 58 543
[13] Bao J K, Li L, Tang Z T, Liu Y, Li Y K, Bai H, Feng C M, Xu Z A, Cao G H 2015 Phys. Rev. B 91 180404
[14] Mu Q G, Ruan B B, Pan B J, Liu T, Yu J, Zhao K, Chen G F, Ren Z A 2017 Phys. Rev. B 96 140504
[15] Liu T, Mu Q G, Pan B J, Yu J, Ruan B B, Zhao K, Chen G F, Ren Z A 2017 Europhys. Lett. 120 27006
[16] Shakeripour H, Petrovic C, Taillefer L 2009 New J. Phys. 11 055065
[17] Sutherland M, Hawthorn D G, Hill R W, Ronning F, Wakimoto S, Zhang H, Proust C, Boaknin E, Lupien C, Taillefer L, Liang R X, Bonn D A, Hardy W N, Gagnon R, Hussey N E, Kimura T, Nohara M, Takagi H 2003 Phys. Rev. B 67 174520
[18] Li S Y, Bonnemaison J B, Payeur A, Fournier P, Wang C H, Chen X H, Taillefer L 2008 Phys. Rev. B 77 134501
[19] Dong J K, Zhou S Y, Guan T Y, Zhang H, Dai Y F, Qiu X, Wang X F, He Y, Chen X H, Li S Y 2010 Phys. Rev. Lett. 104 087005
[20] Proust C, Boaknin E, Hill R W, Taillefer L, Mackenzie A P 2002 Phys. Rev. Lett. 89 147003
[21] Suzuki M, Tanatar M A, Kikugawa N, Mao Z Q, Maeno Y, Ishiguro T 2002 Phys. Rev. Lett. 88 227004
[22] Lowell J, Sousa J B 1970 J. Low. Temp. Phys. 3 65
[23] Willis J, Ginsberg D 1976 Phys. Rev. B 14 1916
[24] Boaknin E, Tanatar M A, Paglione J, Hawthorn D, Ronning F, Hill R W, Sutherland M, Taillefer L, Sonier J, Hayden S M, Brill J W 2003 Phys. Rev. Lett. 90 117003
[25] Reid J P, Tanatar M A, Fecteau A J, Gordon R T, de Cotret S R, Leyraud N D, Saito T, Fukazawa H, Kohori Y, Kihou K, Lee C H, Iyo A, Eisaki H, Prozorov R, Taillefer L 2012 Phys. Rev. Lett. 109 087001
[26] Lee I J, Chow D S, Clark W G, Strouse M J, Naughton M J, Chaikin P M, Brown S E 2003 Phys. Rev. B 68 092510
[27] Belin S, Behnia K 1997 Phys. Rev. Lett. 79 2125
[28] Luke G M, Rovers M T, Fukaya A, Gat I M, Larkin I，Savici A, Uemura Y J, Kojima K M, Chaikin P M, Lee I J, Naughton M J 2003 Physica B 326 378
[29] Yonezawa S, MaenoY, Bechgaard K, Jrome D 2012 Phys. Rev. B 85 140520
[30] Shimahara H 2000 Phys. Rev. B 61 R14936
[31] Kuroki K, Arita R, Aoki H 2001 Phys. Rev. B 63 094509
[32] Lebed A G 2012 Physica B 407 1803