PHYSICS The Weight of the World Is Quantum Chromodynamics

被引:3
|
作者
Kronfeld, Andreas S. [1 ]
机构
[1] Fermilab Natl Accelerator Lab, Theoret Phys Grp, Batavia, IL 60510 USA
关键词
D O I
10.1126/science.1166844
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
(Figure Presented) The busy world of the QCD vacuum. The interior of a hadron, such as the proton or neutron, is not static. Gluons fluctuate in a collective fashion, illustrated by the red-orange-yellow-green-blue fluid. Sometimes the gluon field produces extra quark-antiquark pairs; here, a proton (uud) has fluctuated into a Λ hyperon (uds) and a kaon (s̄u). Animations of these phenomena are available at (7).
引用
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页码:1198 / 1199
页数:2
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