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Prog. Theor. Phys. Vol. 94 No. 5 (1995) pp. 845-859

[ Full Text PDF : FREE ACCESS (650K) ]

CP-Violating Profile of the Electroweak Bubble Wall

Koichi Funakubo, Akira Kakuto,* Shoichiro Otsuki,* Kazunori Takenaga** and Fumihiko Toyoda*

Department of Physics, Saga University, Saga 840
*Department of Liberal Arts, Kinki University in Kyushu, Iizuka 820
**Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-01

(Received August 4, 1995)

Abstract:

In any scenario of the electroweak baryogenesis, the profile of the CP violating bubble wall, created at the first-order phase transition, plays an essential role. We attempt to determine it by solving the equations of motion for the scalars in the two-Higgs-doublet model at the transition temperature. According to the parameters in the potential, we found three solutions. Two of them smoothly connect the CP-violating broken phase and the symmetric phase, while the other connects CP-conserving vacua but violates CP in the intermediate region. We also estimate the chiral charge flux, which will be turned into the baryon density in the symmetric phase by the sphaleron process.


URL : http://ptp.ipap.jp/link?PTP/94/845/
DOI : 10.1143/PTP.94.845

[ Full Text PDF : FREE ACCESS (650K) ] Citation:

References:

  1. For a review see, A. Cohen, D. Kaplan and A. Nelson, Ann. Rev. Nucl. Part. Sci. 43 (1993), 27.
  2. A. Nelson, D. Kaplan and A. Cohen, Nucl. Phys. B373 (1992), 453.
  3. D. Comelli, M. Pietroni and A. Riotto, Nucl. Phys. B412 (1994), 441.
  4. K. Funakubo, A. Kakuto, S. Otsuki, K. Takenaga and F. Toyoda, Phys. Rev. D50 (1994), 1105[APS].
  5. K. Funakubo, A. Kakuto, S. Otsuki, K. Takenaga and F. Toyoda, Prog. Theor. Phys. 93 (1995), 1067[PTP].
  6. K. Funakubo, A. Kakuto and K. Takenaga, Prog. Theor. Phys. 91 (1994), 341[PTP].
  7. A. Cohen, D. Kaplan and A. Nelson, Phys. Lett. B336 (1994), 41.
    M. Joyce, T. Prokopec and N. Turok, hep-ph/9410282[e-print arXiv].
  8. J. M. Cline, K. Kainulainen and A. P. Vischer, hep-ph/9506284 (1995)[e-print arXiv].

Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 95 No. 5 (1996) pp. 929-941 :
    Numerical Approach to CP-Violating Dirac Equation
    Koichi Funakubo, Akira Kakuto, Shoichiro Otsuki and Fumihiko Toyoda
  2. Progress of Theoretical Physics Vol. 96 No. 3 (1996) pp. 475-519 :
    CP Violation and Baryogenesis at the Electroweak Phase Transition
    Koichi Funakubo
  3. Progress of Theoretical Physics Vol. 96 No. 4 (1996) pp. 771-779 :
    Explicit CP Breaking and Electroweak Baryogenesis
    Koichi Funakubo, Akira Kakuto, Shoichiro Otsuki and Fumihiko Toyoda
  4. Progress of Theoretical Physics Vol. 98 No. 2 (1997) pp. 427-442 :
    CP-Violating Bubble Wall and Electroweak Baryogenesis
    Koichi Funakubo, Akira Kakuto, Shoichiro Otsuki and Fumihiko Toyoda
  5. Progress of Theoretical Physics Vol. 99 No. 6 (1998) pp. 1045-1068 :
    Spontaneous CP Violation at Finite Temperature in the MSSM
    Koichi Funakubo, Akira Kakuto, Shoichiro Otsuki and Fumihiko Toyoda
  6. Progress of Theoretical Physics Vol. 102 No. 2 (1999) pp. 389-406 :
    Transitional CP Violation in the MSSM and Electroweak Baryogenesis
    Koichi Funakubo, Shoichiro Otsuki and Fumihiko Toyoda
  7. Progress of Theoretical Physics Vol. 109 No. 3 (2003) pp. 415-432 :
    CP Violation in the Higgs Sector and a Phase Transition in the MSSM
    Koichi Funakubo, Shuichiro Tao and Fumihiko Toyoda

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