• [1]

    G. Gamow, Phys. Rev. 70, 572 (1946)

  • [2]

    E. Hubble, Proc. Nat. Acad. Sci. 15, 168 (1929)

  • [3]

    R. V. Wagoner, W. A. Fowler, and F. Hoyle, Astrophys. J. 148, 3 (1967)

  • [4]

    B. D. Fields, K. A. Olive, T.-H. Yeh et al., JCAP 03, 010 (2020)

  • [5]

    A. A. Penzias and R. W. Wilson, Astrophys. J. 142, 419 (1965)

  • [6]

    G. F. Smoot et al. (COBE Collaboration), Astrophys. J. Lett. 396, L1 (1992)

  • [7]

    G. Hinshaw et al. (WMAP Collaboration), Astrophys. J. Suppl. 208, 19 (2013), arXiv: 1212.5226[astro-ph.CO]

  • [8]

    N. Aghanim et al. (Planck Collaboration), Astron. Astrophys. 641, A6 (2020)

  • [9]

    A. G. Riess et al. (Supernova Search Team Collaboration), Astron. J. 116, 1009 (1998)

  • [10]

    S. Perlmutter et al. (Supernova Cosmology Project Collaboration), Astrophys. J. 517, 565 (1999)

  • [11]

    R. Allahverdi, M. A. Amin, A. Berlin et al., Open J. Astrophys. 4, (2021)

  • [12]

    A. G. Polnarev and M. Y. Khlopov, Astron. Zh. 59, 15 (1982)

  • [13]

    J. McDonald, Phys. Rev. D 43, 1063 (1991)

  • [14]

    H. Assadullahi and D. Wands, Phys. Rev. D 79, 083511 (2009)

  • [15]

    A. L. Erickcek, Phys. Rev. D 92, 103505 (2015)

  • [16]

    A. E. Nelson and H. Xiao, Phys. Rev. D 98, 063516 (2018)

  • [17]

    M. Cirelli, Y. Gouttenoire, K. Petraki et al., JCAP 02, 014 (2019)

  • [18]

    P. Chattopadhyay, A. Chaudhuri, and M. Y. Khlopov, Int. J. Geom. Meth. Mod. Phys. 22, 2450251 (2025)

  • [19]

    A. Banerjee, D. Chowdhury, A. Hait et al., arXiv: 2408.08360 [astro-ph.CO]

  • [20]

    B. Spokoiny, Phys. Lett. B 315, 40 (1993)

  • [21]

    M. Joyce, Phys. Rev. D 55, 1875 (1997)

  • [22]

    P. G. Ferreira and M. Joyce, Phys. Rev. D 58, 023503 (1998)

  • [23]

    R. T. Co, D. Dunsky, N. Fernandez et al., JHEP 09, 116 (2022)

  • [24]

    Y. Gouttenoire, G. Servant, and P. Simakachorn, arXiv: 2111.01150 [hep-ph]

  • [25]

    A. Ghoshal, L. Heurtier, and A. Paul, JHEP 12, 105 (2022)

  • [26]

    J. Silk and M. S. Turner, Phys. Rev. D 35, 419 (1987)

  • [27]

    D. H. Lyth and E. D. Stewart, Phys. Rev. D 53, 1784 (1996)

  • [28]

    P. Creminelli, A. Nicolis, and R. Rattazzi, JHEP 03, 051 (2002)

  • [29]

    T. Konstandin and G. Servant, JCAP 12, 009 (2011)

  • [30]

    B. P. Abbott et al. (LIGO Scientific and Virgo Collaboration), Phys. Rev. Lett. 116, 061102 (2016)

  • [31]

    Y. Cui, M. Lewicki, D. E. Morrissey et al., Phys. Rev. D 97, 123505 (2018)

  • [32]

    Y. Cui, M. Lewicki, D. E. Morrissey et al., JHEP 01, 081 (2019)

  • [33]

    G. S. F. Guedes, P. P. Avelino, and L. Sousa, Phys. Rev. D 98, 123505 (2018)

  • [34]

    N. Ramberg and L. Visinelli, Phys. Rev. D 99, 123513 (2019)

  • [35]

    P. Auclair et al., JCAP 04, 034 (2020)

  • [36]

    C.-F. Chang and Y. Cui, Phys. Dark Univ. 29, 100604 (2020)

  • [37]

    Y. Gouttenoire, G. Servant, and P. Simakachorn, JCAP 07, 032 (2020)

  • [38]

    Y. Gouttenoire, G. Servant, and P. Simakachorn, JCAP 07, 016 (2020)

  • [39]

    C. F. Chang and Y. Cui, JHEP 03, 114 (2022)

  • [40]

    F. Muia, F. Quevedo, A. Schachner et al., JCAP 09, 006 (2023)

  • [41]

    Z. Y. Qiu and Z. H. Yu, Chin. Phys. C 47, 085104 (2023)

  • [42]

    A. Ghoshal, Y. Gouttenoire, L. Heurtier, and P. Simakachorn, JHEP 08, 196 (2023)

  • [43]

    H. B. Nielsen and P. Olesen, Nucl. Phys. B 61, 45 (1973)

  • [44]

    T. W. B. Kibble, J. Phys. A 9, 1387 (1976)

  • [45]

    D. P. Bennett and F. R. Bouchet, Phys. Rev. Lett. 63, 2776 (1989)

  • [46]

    A. Albrecht and N. Turok, Phys. Rev. D 40, 973 (1989)

  • [47]

    D. P. Bennett and F. R. Bouchet, Phys. Rev. D 41, 2408 (1990)

  • [48]

    B. Allen and E. P. S. Shellard, Phys. Rev. Lett. 64, 119 (1990)

  • [49]

    F. Jenet, L. S. Finn, J. Lazio et al., arXiv: 0909.1058[astro-ph.IM]

  • [50]

    M. Kramer and D. J. Champion (EPTA Collaboration), Class. Quant. Grav. 30, 224009 (2013)

  • [51]

    M. Falxa et al. (IPTA Collaboration), Mon. Not. Roy. Astron. Soc. 521, 5077 (2023)

  • [52]

    P. Amaro-Seoane et al. (LISA Collaboration), arXiv: 1702.00786 [astro-ph.IM]

  • [53]

    J. Luo et al. (TianQin Collaboration), Class. Quant. Grav. 33, 035010 (2016)

  • [54]

    W. R. Hu and Y. L. Wu, Natl. Sci. Rev 4, 685 (2017)

  • [55]

    J. Aasi et al. (LIGO Scientific Collaboration), Class. Quant. Grav. 32, 074001 (2015)

  • [56]

    F. Acernese et al. (VIRGO Collaboration), Class. Quant. Grav. 32, 024001 (2015)

  • [57]

    D. Reitze, R. X. Adhikari, S. Ballmer et al., Bull. Am. Astron. Soc. 51, 035 (2019)

  • [58]

    A. Chiummo (ET Collaboration), EPJ Web Conf. 280, 03003 (2023)

  • [59]

    A. G. Doroshkevich and M. Y. Khlopov, Pis'ma Astron. Zh. 9, 171 (1983)

  • [60]

    E. A. Baltz and H. Murayama, JHEP 05, 067 (2003)

  • [61]

    T. Asaka, M. Shaposhnikov, and A. Kusenko, Phys. Lett. B 638, 401 (2006)

  • [62]

    J. A. Evans, A. Ghalsasi, S. Gor et al., JHEP 02, 151 (2020)

  • [63]

    C. Cosme, M. Dutra, T. Ma et al., JHEP 03, 026 (2021)

  • [64]

    P. Chanda and J. Unwin, JCAP 06, 032 (2021)

  • [65]

    A. Chaudhuri and M. Y. Khlopov, Int. J. Mod. Phys. D 30, 2140008 (2021)

  • [66]

    P. Asadi, T. R. Slatyer, and J. Smirnov, Phys. Rev. D 106, 015012 (2022)

  • [67]

    M. Nemevšek and Y. Zhang, Phys. Rev. Lett. 130, 121002 (2023)

  • [68]

    M. Nemevšek and Y. Zhang, Phys. Rev. D 109, 056021 (2024)

  • [69]

    M. B. Hindmarsh and T. W. B. Kibble, Rept. Prog. Phys. 58, 477 (1995)

  • [70]

    M. Maggiore, Gravitational Waves: Volume 2: Astrophysics and Cosmology, (Oxford: Oxford University Press, 2018)

  • [71]

    B. Allen and E. P. S. Shellard, Phys. Rev. D 45, 1898 (1992)

  • [72]

    A. Vilenkin and E. P. S. Shellard, Cosmic Strings and Other Topological Defects, (Cambridge: Cambridge University Press, 2000)

  • [73]

    T. Vachaspati and A. Vilenkin, Phys. Rev. D 31, 3052 (1985)

  • [74]

    J. J. Blanco-Pillado and K. D. Olum, Phys. Rev. D 96, 104046 (2017)

  • [75]

    P. Binetruy, A. Bohe, C. Caprini et al., JCAP 06, 027 (2012)

  • [76]

    R. L. Workman et al. (Particle Data Group Collaboration), PTEP 2022, 083C01 (2022)

  • [77]

    J. J. Blanco-Pillado, K. D. Olum, and B. Shlaer, Phys. Rev. D 89, 023512 (2014)

  • [78]

    L. Lorenz, C. Ringeval, and M. Sakellariadou, JCAP 10, 003 (2010)

  • [79]

    R. Abbott, et al. (LIGO Scientific and Virgo and KAGRA Collaborations), Phys. Rev. Lett. 126, 241102 (2021)

  • [80]

    J. Luo et al., arXiv: 2502.20138[gr-qc]

  • [81]

    C. J. A. P. Martins and E. P. S. Shellard, Phys. Rev. D 53, 575 (1996)

  • [82]

    C. J. A. P. Martins and E. P. S. Shellard, Phys. Rev. D 54, 2535 (1996)

  • [83]

    L. Bian, R. G. Cai, J. Liu et al., Phys. Rev. D 103, L081301 (2021)

  • [84]

    A. Afzal et al. (NANOGrav Collaboration), Astrophys. J. Lett. 951, L11 (2023)

  • [85]

    L. Bian, S. Ge, J. Shu et al., Phys. Rev. D 109, L101301 (2024)

  • [86]

    C. J. A. P. Martins and E. P. S. Shellard, Phys. Rev. D 65, 043514 (2002)

  • [87]

    D. Marfatia and Y. L. Zhou, JHEP 07, 204 (2024)

  • [88]

    P. Auclair, S. Blasi, V. Brdar et al., JCAP 04, 009 (2023)

  • [89]

    J. J. Blanco-Pillado, K. D. Olum, and B. Shlaer, Phys. Rev. D 83, 083514 (2011)

  • [90]

    L. Sousa and P. P. Avelino, Phys. Rev. D 88, 023516 (2013)

  • [91]

    E. W. Kolb, Front. Phys. 69, 1 (1990)

  • [92]

    J. R. Ellis, A. D. Linde, and D. V. Nanopoulos, Phys. Lett. B 118, 59 (1982)

  • [93]

    J. R. Ellis, J. S. Hagelin, D. V. Nanopoulos et al., Nucl. Phys. B 238, 453 (1984)

  • [94]

    R. N. Mohapatra and J. C. Pati, Phys. Rev. D 11, 2558 (1975)

  • [95]

    G. Senjanovic and R. N. Mohapatra, Phys. Rev. D 12, 1502 (1975)

  • [96]

    Z. Arzoumanian et al. (NANOGRAV Collaboration), Astrophys. J. 859, 47 (2018)

  • [97]

    L. Lentati et al. (EPTA Collaboration), Mon. Not. Roy. Astron. Soc. 453, 2576 (2015)

  • [98]

    R. M. Shannon et al., Science 349, 1522 (2015)

  • [99]

    G. Hobbs et al., Class. Quant. Grav. 27, 084013 (2010)

  • [100]

    G. Janssen et al., PoS AASKA14, 037 (2015)

  • [101]

    Z. C. Liang, Y. M. Hu, Y. Jiang et al., Phys. Rev. D 105, 022001 (2022)

  • [102]

    W. H. Ruan, Z. K. Guo, R. G. Cai et al., Int. J. Mod. Phys. A 35, 2050075 (2020)

  • [103]

    B. P. Abbott, et al. (KAGRA and LIGO Scientific and Virgo Collaborations), Living Rev. Rel. 21, 3 (2018)

  • [104]

    B. P. Abbott et al. (LIGO Scientific Collaboration), Class. Quant. Grav. 34, 044001 (2017)

  • [105]

    S. Hild et al., Class. Quant. Grav. 28, 094013 (2011)

  • [106]

    E. Thrane and J. D. Romano, Phys. Rev. D 88, 124032 (2013)

  • [107]

    K. Schmitz, JHEP 01, 097 (2021)

  • [108]

    L. Bian, J. Shu, B. Wang et al., Phys. Rev. D 106, L101301 (2022)