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Prog. Theor. Phys. Supplement No.156 (2004) pp. 178-179
Color Ferromagnetic States and Quantum Hall States of Gluons in Quark Matter
Tetsuo Nishikawa,1
Aiichi Iwazaki,2
Osamu Morimatsu1 and
Munehisa Ohtani3
1Institute of Particle and Nuclear Study, High Energy Accelerator
Research Organization, Tsukuba 305-0801, Japan
2Department of Physics, Nishogakusha University, Shonan Ohi,
Chiba 277-8585, Japan
3The Institute of Physical and Chemical Research (RIKEN),
Wako 351-0198, Japan
Abstract:
We discuss a possibility of the presence of
a stable color ferromagnetic state of quark matter in SU(2) gauge theory.
Although the state has been known to have unstable modes,
we show that the unstable modes form quantum Hall states,
in which the instability disappears. The state arises between the
hadronic state and the color superconducting state when the density
of quarks is varied.
URL :
http://ptp.ipap.jp/link?PTPS/156/178/
DOI : 10.1143/PTPS.156.178
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