CP violation by soft supersymmetry breaking terms in orbifold compactifications

被引:18
作者
Bailin, D [1 ]
Kraniotis, GV
Love, A
机构
[1] Univ Sussex, Ctr Theoret Phys, Brighton BN1 9QJ, E Sussex, England
[2] Univ London, Royal Holloway & Bedford New Coll, Dept Phys, Egham TW20 0EX, Surrey, England
关键词
D O I
10.1016/S0370-2693(97)01179-9
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The possibility of spontaneous breaking of CP symmetry by the expectation values of orbifold moduli is investigated with particular reference to CP violating phases in soft supersymmetry breaking terms. The effect of different mechanisms for stabilizing the dilaton and the form of the non-perturbative superpotential on the existence and size of these phases is studied. Non-perturbative superpotentials involving the absolute modular invariant j(T), such as may arise from F-theory compactifications, are considered. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:269 / 276
页数:8
相关论文
共 26 条
[1]   SPONTANEOUS BREAKING OF CP SYMMETRY BY ORBIFOLD MODULI [J].
ACHARYA, B ;
BAILIN, D ;
LOVE, A ;
SABRA, WA ;
THOMAS, S .
PHYSICS LETTERS B, 1995, 357 (03) :387-396
[2]   EFFECTIVE MU-TERM IN SUPERSTRING THEORY [J].
ANTONIADIS, I ;
GAVA, E ;
NARAIN, KS ;
TAYLOR, TR .
NUCLEAR PHYSICS B, 1994, 432 (1-2) :187-204
[3]   TWISTED SECTOR YUKAWA COUPLINGS FOR THE Z(M)XZ(N) ORBIFOLDS [J].
BAILIN, D ;
LOVE, A ;
SABRA, WA .
NUCLEAR PHYSICS B, 1993, 403 (1-2) :265-290
[4]  
BAILIN D, UNPUB NUCL PHYS B
[5]   COPING WITH STRONGLY COUPLED STRING THEORY [J].
BANKS, T ;
DINE, M .
PHYSICAL REVIEW D, 1994, 50 (12) :7454-7466
[6]   A MODULAR INVARIANT FORMULATION OF GAUGINO CONDENSATION WITH A POSITIVE SEMIDEFINITE POTENTIAL [J].
BINETRUY, P ;
GAILLARD, MK .
PHYSICS LETTERS B, 1991, 253 (1-2) :119-128
[7]   TOWARDS A THEORY OF SOFT TERMS FOR THE SUPERSYMMETRIC STANDARD MODEL [J].
BRIGNOLE, A ;
IBANEZ, LE ;
MUNOZ, C .
NUCLEAR PHYSICS B, 1994, 422 (1-2) :125-171
[8]   HIERARCHICAL SUPERSYMMETRY BREAKING AND DYNAMIC DETERMINATION OF COMPACTIFICATION PARAMETERS BY NONPERTURBATIVE EFFECTS [J].
CASAS, JA ;
LALAK, Z ;
MUNOZ, C ;
ROSS, GG .
NUCLEAR PHYSICS B, 1990, 347 (1-2) :243-269
[9]  
CASAS JA, SCIPP9620
[10]   DUALITY AND LANDAU-GINZBURG MODELS [J].
CHUN, EJ ;
MAS, J ;
LAUER, J ;
NILLES, HP .
PHYSICS LETTERS B, 1989, 233 (1-2) :141-146