TL;DR
This paper explores the topological properties of different phases of quark matter, identifying invariants in momentum space and their relation to massless fermions on vortices and interfaces, with a focus on the CFL phase.
Contribution
It introduces a formalism connecting momentum space topological invariants with fermionic states in various QCD phases, including the CFL phase.
Findings
Identification of topological invariants in hadronic, QGP, and CFL phases.
Development of a formalism linking invariants to fermions on vortices.
Illustration of the formalism with vortices in the CFL phase.
Abstract
We discuss the possibility to consider quark matter as the topological material. We consider hadronic phase (HP), the quark - gluon plasma phase (QGP), and the hypothetical color - flavor locking (CFL) phase. In those phases we identify the relevant topological invariants in momentum space. The formalism is developed, which relates those invariants and massless fermions that reside on vortices and at the interphases. This formalism is illustrated by the example of vortices in the CFL phase.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Topological Materials and Phenomena · High-Energy Particle Collisions Research