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Electromagnetic Meissner effect in spin-one color superconductors
Andreas Schmitt1, Qun Wang, Dirk H Rischke
1Institut für Theoretische Physik, J. W. Goethe-Universität, D-60054 Frankfurt/Main, Germany. aschmitt@th.physik.uni-frankfurt.de
Physical Review Letters
|December 20, 2003
Summary
Spin-one Cooper pairs in color-superconducting quark matter enable an electromagnetic Meissner effect. This contrasts with spin-zero superconductors, which involve different quark flavors.
Area of Science:
- Condensed Matter Physics
- High-Energy Nuclear Physics
- Quantum Chromodynamics
Background:
- Color-superconducting quark matter is a theoretical state of matter.
- Quarks are fundamental particles that form hadrons.
- Cooper pairs are pairs of electrons that enable superconductivity.
Purpose of the Study:
- To investigate the electromagnetic properties of color-superconducting quark matter.
- To determine if quark matter exhibits superconductivity.
- To explore the role of Cooper pair spin in superconductivity.
Main Methods:
- Theoretical analysis of color-superconducting quark matter.
- Examination of Cooper pair formation in quark matter.
- Comparison with existing models of superconductivity.
Main Results:
- Color-superconducting quark matter with spin-one Cooper pairs exhibits an electromagnetic Meissner effect.
- This effect is analogous to superconductivity in conventional materials.
- Spin-zero color superconductors, involving different quark flavors, do not exhibit this effect.
Conclusions:
- The spin of Cooper pairs is crucial for the electromagnetic properties of quark matter.
- Color-superconducting quark matter can display superconductivity.
- This finding has implications for understanding matter under extreme conditions, such as in neutron stars.