Abstract
Heavy-ion collision experiments at RHIC and the LHC have found a new emergent phase of QCD, a strongly coupled quark-gluon plasma (sQGP) that is distinctively different from either the low temperature hadron phase or the very high temperature weakly coupled plasma phase. Highly nontrivial emergent phenomena occur in such sQGP and two examples will be discussed in this contribution: the magnetic component of sQGP that stems from topologically nontrivial configurations in the gluon sector; and the anomalous chiral transport that arises as macroscopic manifestation of microscopic chiral anomaly in the quark sector. For both examples, their important roles in explaining pertinent heavy-ion data will be emphasized.
Highlights
For the overwhelming part of the pursue of science in the past two thousand years or so since the early philosophers, people were trying to understand the structure of matter by “reduction”, i.e. by figuring out the most fundamental “building blocks” of all matter
For the rest of this contribution I will focus on the “hot frontier” and discuss a new emergent phase of QCD, the strongly coupled quark-gluon plasma that has been found in heavy-ion experiments at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC) [2, 3]
The first example involves the magnetic component of strongly coupled quark-gluon plasma (sQGP) that stems from topologically nontrivial configurations known as chromo-magnetic monopoles in the gluon sector, while the second example is about the anomalous chiral transport that arises as macroscopic manifestation of microscopic chiral anomaly in the quark sector
Summary
For the overwhelming part of the pursue of science in the past two thousand years or so since the early philosophers, people were trying to understand the structure of matter by “reduction”, i.e. by figuring out the most fundamental “building blocks” of all matter. For the rest of this contribution I will focus on the “hot frontier” and discuss a new emergent phase of QCD, the strongly coupled quark-gluon plasma (sQGP) that has been found in heavy-ion experiments at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC) [2, 3]. The first example involves the magnetic component of sQGP that stems from topologically nontrivial configurations known as chromo-magnetic monopoles in the gluon sector, while the second example is about the anomalous chiral transport that arises as macroscopic manifestation of microscopic chiral anomaly in the quark sector In both cases, the importance in explaining pertinent heavy-ion data will be emphasized
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