[1] Hänsch T W 2005 Rev. Mod. Phys. 78 1297
[2] Bohr N 1913 Phil. Mag. 26 476
[3] Dirac P A M 1928 Proc. Roy. Soc. London A: Math. Phys. Eng. Sc. 117 610
[4] Lamb W E, Rutherford R C 1947 Phys. Rev. 72 241
[5] Lamb W E, Rutherford R C 1950 Phys. Rev. 79 549
[6] Beth H A 1947 Phys. Rev. 72 339
[7] Dyson F J 1949 Phys. Rev. 75 486
[8] Dyson F J 1952 Phys. Rev. 85 631
[9] Aoyama T, Hayakawa M, Kinoshita T, Nio M 2012 Phys. Rev. Lett. 109 111807
[10] Hanneke D, Fogwell S, Gabrielse G 2008 Phys. Rev. Lett. 100 120801
[11] Biraben F 2009 Eur. Phys. J. Spec. Top. 172 109
[12] Beyer A, Maisenbacher L, Matveev A, Pohl R, Khabarova K, Grinin A, Lamour T, Yost D C, Hänsch T W, Kolachevsky N, Udem T 2017 Science 358 79
[13] Parthey C G, Matveev A, Alnis J, Bernhardt B, Beyer A, Holzwarth R, Maistrou A, Pohl R, Predehl K, Udem T, Wilken T, Kolachevsky N, Abgrall M, Rovera D, Salomon C, Laurent P, Hänsch T W 2011 Phys. Rev. Lett. 107 203001
[14] Matveev A, Parthey C G, Predehl K, Alnis J, Beyer A, Holzwarth, Udem T, Wilken T, Kolachevsky N, Abgrall M, Rovera D, Salomon C, Laurent P, Grosche G, Terra O, Legero T, Schnatz H, Weyers S, Altschul B, Hänsch T W 2013 Phys. Rev. Lett. 110 230801
[15] Mohr P J, Newell D B, Taylor B N 2016 Rev. Mod. Phys. 88 035009
[16] Pohl R, Antognini A, Nez F, Amaro F D, Biraben F, Cardoso J M R, Covita D S, Dax A, Dhawan S, Fernandes L M P, Giesen A, Graf T, Hänsch T W, Indelicato P, Julien L, Kao C Y, Knowles P, Bigot E O L, Liu Y W, Lopes J A M, Ludhova L, Monteiro C M B, Mulhauser F, Nebel T, Rabinowitz P, dos Santos J M F, Schaller L A, Schuhmann K, Schwob C, Taqqu D, Veloso J F C A, Kottmann F 2010 Nature 466 213
[17] Antognini A, Nez F, Schuhmann K, Amaro F D, Biraben F, Cardoso J M R, Covita D S, Dax A, Dhawan S, Diepold M, Fernandes L M P, Giesen A, Graf T, Hänsch T W, Indelicato P, Julien L, Kao C Y, Knowles P, Kottmann F, Bigot E O L, Liu Y W, Lopes J A M, Ludhova L, Monteiro C M B, Mulhauser F, Nebel T, Rabinowitz P, dos Santos, J M F, Schaller L A, Schwob C, Taqqu D, Veloso J F C A, Vogelsang J, Pohl R 2013 Science 339 417
[18] Pohl R, Nez F, Fernandes L M P, Amaro F D, Biraben F, Cardoso J M R, Covita D S, Dax A, Dhawan S, Diepold M, Giesen A, Gouvea A L, Graf T, Hänsch T W, Indelicato P, Julien L, Knowles P, Kottmann F, Bigot E O L, Liu Y W, Lopes J A M, Ludhova L, Monteiro C M B, Mulhauser F, Nebel T, Rabinowitz P, dos Santos, J M F, Schaller L A, Schuhmann K, Schwob C, Taqqu D, Veloso J F C A, Antognini A, The CREMA collaboration 2016 Science 353 669
[19] Pohl R, Gilman R, Miller G A, Pachucki K 2013 Annu. Rev. Nuc. Part. Sci. 63 175
[20] Beyer A, Maisenbacher L, Matveev A, Pohl R, Khabarova K, Chang Y, Grinin A, Lamour T, Shi T, Yost D C, Hänsch T W, Kolachevsky N 2016 Opt. Express 24 17470
[21] Peters E, Yost D C, Matveev A, Hänsch T W, Udem T 2013 Anna. Phys. 525 L29
[22] Galtier S, Fleurbaey H, Thomas S, Julien L, Biraben, Nez F 2015 J. Phys. Chem. Ref. Data 44 031201
[23] Caswell W E, Lepage G P 1986 Phys. Lett. B 167 437
[24] Paz G 2015 Mod. Phys. Lett. A 30 1550128
[25] Pahcucki K, Patkos V, Yerokhin V A 2017 Phys. Rev. A 95 062510
[26] Shiner D, Dixson R, Zhao P 1994 Phys. Rev. Lett. 72 1802
[27] Minardi F, Bianchini G, Pastor P C, Giusfredi G, Pavone F S, Inguscio M 1999 Phys. Rev. Lett. 82 1112
[28] Castillega J, Livingston D, Sanders A, Shiner D 2000 Phys. Rev. Lett. 84 4321
[29] Storry C H, George M C, Hessels E A 2000 Phys. Rev. Lett. 84 3274
[30] Pastor P C, Giusfredi G, Natale P D, Hagel G, Mauro C D, Inguscio M 2004 Phys. Rev. Lett. 92 023001
[31] Zelevinsky T, Farkas D, Gabrilse G 2005 Phys. Rev. Lett. 95 203001
[32] Borbely J S, George M C, Lombardi L D, Weel M, Fitzakerley D W, Hessels E A 2009 Phys. Rev. A 79 060503
[33] Smiciklas M, Shiner D 2010 Phys. Rev. Lett. 105 123001
[34] Pastor P C, Consolino L, Giusfredi G, Natale P D, Inguscio M, Yerokhin V A, Pachucki P 2012 Phys. Rev. Lett. 108 143001
[35] Feng G P, Zheng X, Sun Y R, Hu S M 2015 Phys. Rev. A 91 030502
[36] Zheng X, Sun Y R, Chen J J, Jiang W, Pachucki K, Hu S M 2017 Phys. Rev. Lett. 118 063001
[37] Dorre C, Nez F, de Beauvoir B, Julien L, Biraben F 1997 Phys. Rev. Lett. 78 3658
[38] Luo P L, Peng J L, Shy J T, Wang L B 2013 Phys. Rev. Lett. 111 013002
[39] van Leeuwen K A H, Vassen W 2006 Euro. Phys. Lett. 76 409
[40] van Rooij R, Borbely J S, Simonet J, Hoogerland M D, Eikema K S E, Rozendaal R A, Vassen W 2011 Science 333 196
[41] Notermans R, Vassen W 2014 Phys. Rev. Lett. 112 253002
[42] Wang L B, Mueller P, Bailey K, Drake G W F, Greene J P, Henderson D, Holt R J, Janssens R V F, Jiang C L, Lu Z T, O’Connor P O, Pardo R C, Rehm K E, Schiffer J P, Tang X D 2004 Phys. Rev. Lett. 93 142501
[43] Mueller P, Sulai I A, Villari A C C, Alcantara-Nunez J A, Alves-Conde R, Bailey K, Drake G W F, Dubois M, Eleon C, Gaubert G, Holt R J, Janssens R V F, Lecesne N, Lu Z T, O’Connor P O, Saint-Laurent M G, Thomas J C, Wang L B 2007 Phys. Rev. Lett. 99 252501
[44] Lu Z T, Mueller P, Drake G W F, Nortershauser W, Pieper S C 2013 Rev. Mod. Phys. 85 1383
[45] Eikema K S E, Ubachs W, Vassen W, Hogervorst W 1996 Phys. Rev. Lett. 76 1216
[46] Eikema K S E, Ubachs W, Vassen W, Hogervorst W 1997 Phys. Rev. A 55 1866
[47] Eyler E E, Chieda D E, Stowe M C, Thorpe M J, Schibli T R, Ye J 2008 Eur. Phys. J. D 48 43
[48] Cingoz A, Yost D C, Allison T K, Ruehl A, Fermann M E, Hartl I, Ye J 2012 Nature 482 68
[49] Schwartz C 1964 Phys. Rev. 134 A1181
[50] Douglas M, Kroll N M 1974 Anna. Phys. 82 89
[51] Yan Z C, Drake G W F 1995 Phys. Rev. Lett. 74 4791
[52] Zhang T, Yan Z C, Drake G W F 1996 Phys. Rev. Lett. 77 1715
[53] Pachucki K 2006 Phys. Rev. Lett. 97 013002
[54] Pachucki K, Yerokhin V A 2009 Phys. Rev. A 79 062516
[55] Pachucki K, Yerokhin V A 2010 Phys. Rev. Lett. 104 070403
[56] Ficek F, Kimball D F J, Kozlov M G, Leefer N, Pustelny S, Budker D 2017 Phys. Rev. A 95 032505
[57] Pachucki K 2002 J. Phys. B: Atom. Mol. Opt. Phys. 35 3087
[58] Yerokhin V A, Pachucki K 2016 Phys. Rev. A 94 052508
[59] Zheng X, Sun Y R, Chen J J, Jiang W, Pachucki K, Hu S M 2017 Phys. Rev. Lett. 119 263002
[60] Pachucki K, Yerokhin V A 2015 J. Phys. Chem. Refs. Data 44 031206
[61] Yerokhin V A, Pachucki K 2017 Phys. Rev. A 95 012508
[62] Sick I 2008 Prec. Phys. Sim. Atom. Mol. 57
[63] Kievsky A, Rosati S, Viviani M, Marcucci L E, Girlanda L 2008 J. Phys. G: Nucl. Part. Phys. 35 063101
[64] Sick I 2008 Phys. Rev. C 77 041302
[65] Drake G W F, Nortershauser W, Yan Z C 2005 Can. J. Phys. 83 311
[66] Shiner D, Dixson R, Vedantham V 1995 Phys. Rev. Lett. 74 3553
[67] Pastor P C, Giusfredi G, Natale P D, Hagel G, de Mauro C, Inguscio M 2006 Phys. Rev. Lett. 97 139903
[68] Antognini A, Biraben F, Cardoso J M R, Covita D S, Dax A, Fernandes L M P, Gouvea A L, Graf T, Hänsch T W, Hildebrandt M, Indelicato P, Julien L, Kirch K, Kottmann F, Liu Y W, Monteiro C M B, Mulhauser F, Nebel T, Nez F, dos Santos J M F, Schuhmann K, Taqqu D, Veloso J F C A, Voss A, Pohl R 2011 Can. J. Phys. 89 47
[69] Angeli I, Marinova K P 2013 Atom. Data Nucl. Data Tab. 99 69
[70] Sun Y, Feng G P, Cheng C F, Tu L Y, Pan H, Yang G M, Hu S M 2012 Acta Phys. Sin. 61 170601 (in Chinese) [孙羽, 冯高平, 程存峰, 涂乐义, 潘虎, 杨国民, 胡水明 2012 物理学报 61 170601]
[71] Cheng C F, Jiang W, Yang G M, Sun Y R, Pan H, Gao Y, Liu A W, Hu S M 2010 Rev. Sci. Instr. 81 123106
[72] Vansteenkiste N, Gerz C, Kaiser R, Hollberg L, Salomon C, Aspect A 1991 J. Phys. Ⅱ France 1 1407
[73] Rooijakkers W, Hogervorst W, Vassen W 1996 Opt. Comm. 123 321
[74] Breuer H 1965 Rev. Sci. Instr. 36 1666
[75] Bolinger L, Prammer M G, Leigh J S 1989 J. Mag. Res. 81 162
[76] Feng G P, Sun Y, Zheng X, Hu S M 2014 Acta Phys. Sin. 63 123201 (in Chinese) [冯高平, 孙羽, 郑昕, 胡水明 2014 物理学报 63 123201]
[77] Drever R W P, Hall J L, Kowalski F V, Hough J, Ford G M, Munley A J, Ward H 1983 Appl. Phys. B 31 97
[78] Prentiss M G, Ezekiel S 1986 Phys. Rev. Lett. 56 46
[79] Minardi F, Artoni M, Cancio P, Inguscio M, Giusfredi G, Carusotto I 1999 Phys. Rev. A 60 4164
[80] Artoni M, Carusotto I, Minardi F 2000 Phys. Rev. A 62 023402
[81] Wieman C E, Noecker M C, Masterson B P, Cooper J 1987 Phys. Rev. Lett. 58 1738
[82] Salomon C, Dalibard J, Aspect A, Metcalf H, Cohen-Tannoudji C 1987 Phys. Rev. Lett. 59 1659
[83] Yan Z C, Drake G W F 1994 Phys. Rev. A 50 R1980
[84] Horbatsch M, Hessels E A 2010 Phys. Rev. A 82 052519
[85] Horbatsch M, Hessels E A 2011 Phys. Rev. A 84 032508
[86] Horbatsch M, Hessels E A 2012 Phys. Rev. A 86 040501
[87] Sansonetti C J, Simien C E, Gillaspy J D, Tan J N, Brewer S M, Brown R C, Wu S J, Porto J V 2011 Phys. Rev. Lett. 107 023001
[88] Brown R C, Wu S J, Porto J V, Sansonetti C J, Simien C E, Brewer S M, Tan J N, Gillaspy J D 2013 Phys. Rev. A 87 032504
[89] Marsman A, Hessels E A, Horbatsch M 2014 Phys. Rev. A 89 043403
[90] Marsman A, Horbatsch M, Hessels E A 2015 J. Phys. Chem. Ref. Data 44 031207
[91] Kleinert M, Dahl M E G, Bergeson S 2016 Phys. Rev. A 94 052511
[92] Vrinceanu D, Kotochigova S, Sadeghpour H R 2004 Phys. Rev. A 69 022714
[93] Pachucki K, Yerokhin V A 2011 J. Phys.: Conf. Ser. 264 012007
[94] Beyer A, Parthey C G, Kolachevsky N, Alnis J, Khabarova K, Pohl R, Peters E, Yost D C, Matveev A, Predehl K, Droste S, Wilken T, Holzwarth R, Hänsch T W, Abgrall M, Rovera D, Salomon C, Laurent P, Udem T 2013 J. Phys.: Conf. Ser. 467 012003
[95] Herrmann M, Haas M, Jentschura U D, Kottmann F, Leibfried D, Saathoff G, Gohle C, Ozawa A, Batteiger V, Knunz S, Kolachevsky N, Schussler H A, Hänsch T W, Udem T 2009 Phys. Rev. A 79 052505
[96] Altmann R K, Galtier S, Dreissen L S, Eikema K S E 2016 Phys. Rev. Lett. 117 173201
[97] Korobov V I, Hilico L, Karr J P 2017 Phys. Rev. Lett. 118 233001
[98] Puchalski M, Komasa J, Czachorowski P, Pahcucki K 2016 Phys. Rev. Lett. 117 263002
[99] Biesheuvel J, Karr J, Hilico L, Eikema K S E, Ubachs W, Koelemeij J C J 2016 Nat. Comm. 7 10385