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* TITLE [Colloquium]Confinement and Vacuum
Name Affiliation E-mail
Jong Bum Choi Chonbuk Nat. Univ.
* HOST(Applicant)
Name Affiliation E-mail
Jihye Jeong sec(at)apctp.org
* DATE / TIME 2012-05-02, 4:00pm
* PLACE Physics Seminar room (Science Bldg, 3-201)
In a Buddha\'s testament, there appears a phrase saying \"Everything is vacant.\" Now we know that everything is made of atoms and most of the mass of the atom is concentrated at the nucleus. Inside the nucleus, there exist nucleons in which quarks are confined through the interactions of gluons. The theory of the interactions for quarks and gluons is the quantum chromodynamics (QCD), and recent researches of the confinement phenomena in QCD resulted in the idea of new definition of QCD vacuum. It turns out that nonlocal gluon condensates are important in the new definition of QCD vacuum, and the word \"vacant\" has to be interpreted in a new way. In conclusion, the QCD vacuum can be taken to be the basis for the existence of everything proving the phrase of the Buddha\'s testament.
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