Domain-wall number in various invisible-axion models

C. Q. Geng; John N. Ng

doi:10.1103/PhysRevD.41.3848

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Domain-wall number in various invisible-axion models

C. Q. Geng and John N. Ng

TRIUMF Theory Group, 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3

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Phys. Rev. D 41, 3848 – Published 15 June, 1990

DOI: https://doi.org/10.1103/PhysRevD.41.3848

Abstract

We study the vacuum structures for various invisible-axion models. We illustrate that the assignment of U ${(1)}_{PQ}$ charge for the Higgs-singlet field plays a very important role in determining the domain-wall number $N_{DW}$ . Especially, we find that the existence of trilinear terms in the Higgs potential would reduce $N_{DW}$ by a factor 2 compared with the usual quartic-type one. This factor is important in constructing domain-wall-free models. Several possibilities of constructing such models are pointed out.

References (13)

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Omitted endnote
C. Q. Geng and J. N. Ng, Phys. Rev. D 39, 1449 (1989)
R. D. Peccei, T. T. Wu, and T. Yanagida, Phys. Lett. B 172, 435 (1986) L. M. Krauss and F. Wilczek, ibid. 173, 189 (1986)
C. Q. Geng and J. N. Ng (unpublished)

[c1] P. Sikivie, Phys. Rev. Lett. 48, 1156 (1982)

[c2] Y. B. Zel'dovich, I. Y. Kobzarev, and L. B. Okun, Zh. Eksp. Teor. Fiz. 67, 3 (1974) [Sov. Phys. JETP 40, 1 (1975)] T. W. B. Kibble, J. Phys. A 9, 1387 (1976)

[c3] M. Dine, W. Fischler, and M. Srednicki, Phys. Lett. 104B, 199 (1981)

[c4] Cf. P. Sikivie, in Proceedings of the 4th Workshop on Grand Unification, Philadelphia, Pennsylvania, 1983, edited by H. A. Weldon P. Langacker, and P. J. Steinhardt (Birkhäuser, Boston, 1983), p. 201

[c5] R. D. Peccei and H. R. Quinn, Phys. Rev. Lett. 38, 1440 (1977)

[c6] A. Davidson and A. H. Vozmediano, Nucl. Phys. B248, 647 (1984)

[c7] G. 't Hooft, Phys. Rev. Lett. 37, 8 (1976) Phys. Rev. D 14, 3432 (1976)

[c8] G. Lazarides and Q. Shafi, Phys. Lett. 115B, 21 (1982)

[c9] J. E. Kim, Phys. Rev. Lett. 43, 103 (1979) M. A. Shifman, A. I. Vainshtein, and V. I. Zakharov, Nucl. Phys. B166, 493 (1980) Lazarides and Shafi ([8])

[c10] Omitted endnote

[c11] C. Q. Geng and J. N. Ng, Phys. Rev. D 39, 1449 (1989)

[c12] R. D. Peccei, T. T. Wu, and T. Yanagida, Phys. Lett. B 172, 435 (1986) L. M. Krauss and F. Wilczek, ibid. 173, 189 (1986)

[c13] C. Q. Geng and J. N. Ng (unpublished)

Physical Review D

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Domain-wall number in various invisible-axion models

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References (13)

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