A naturally light dilaton

被引：83

作者：

Coradeschi, Francesco ^{[1
]}

Lodone, Paolo ^{[1
]}

Pappadopulo, Duccio ^{[2
,3
]}

Rattazzi, Riccardo ^{[1
]}

Vitale, Lorenzo ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Inst Theorie Phenomenes Phys, CH-1015 Lausanne, Switzerland

[2] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 11期

基金：

瑞士国家科学基金会;

关键词：

Spontaneous Symmetry Breaking; Space-Time Symmetries; Renormalization Group; COSMOLOGICAL CONSTANT; FIELD-THEORIES; NONLINEAR REALIZATIONS; CONFORMAL SYMMETRY; BREAKING; MODULUS; GRAVITY; TENSOR;

D O I：

10.1007/JHEP11(2013)057

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Goldstone's theorem does not apply straightforwardly to the case of spontaneously broken scale invariance. We elucidate under what conditions a light scalar degree of freedom, identifiable with the dilaton, can naturally arise. Our construction can be considered an explicit dynamical solution to the cosmological constant problem in the scalar version of gravity.

引用

页数：31

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