goldstone

n.

金星玻璃，嵌有黄铜粉的茶色玻璃；

Is the neutrino a goldstone particle?
There are no Goldstone bosons in two dimensions
Higgs as a holographic pseudo-Goldstone boson
THEORY OF NONABELIAN GOLDSTONE BOSONS IN TWO DIMENSIONS
The Flavor of the Composite Pseudo-Goldstone Higgs
Are there real goldstone bosons associated with broken lepton number? ☆
Natural inflation with pseudo Nambu-Goldstone bosons
Cosmology with ultralight pseudo Nambu-Goldstone bosons
Spontaneously broken supergauge symmetries and goldstone spinors
Tasi 2009 lectures: The Higgs as a Composite Nambu-Goldstone Boson