THE COSMOLOGICAL CONSTANT PUZZLE: VACUUM ENERGIES FROM QCD TO DARK ENERGY

被引：6

作者：

Bass, Steven D. ^{[1
]}

机构：

[1] Austrian Acad Sci, Stefan Meyer Inst Subat Phys, A-1090 Vienna, Austria

来源：

ACTA PHYSICA POLONICA B | 2014年 / 45卷 / 07期

基金：

奥地利科学基金会;

关键词：

GENERAL-RELATIVITY; CONFINEMENT; SYMMETRY; WEAK;

D O I：

10.5506/APhysPolB.45.1269

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The accelerating expansion of the Universe points to a small positive vacuum energy density and negative vacuum pressure. A strong candidate is the cosmological constant in Einstein's equations of General Relativity. The vacuum dark energy density extracted from astrophysics is 1056 times smaller than the value expected from the Higgs potential in Standard Model particle physics. The dark energy scale is however close to the range of possible values expected for the light neutrino mass. We investigate this physics in a simple toy model where the chirality of the neutrino is treated by analogy as an Ising-like "spin" degree of freedom.

引用

页码：1269 / 1279

页数：11

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