Gapless formation in the K0 condensed color-flavor locked quark matter : a model-independent treatment
Abstract
The electric/color neutral solution and the critical conditions for gapless formation are investigated in the K0 condensed color-flavor locked matter. We point out that there exist no longer gapless modes for down-strange quark pairing while the gapless phenomenon for up-strange one is dominated in the K0 condensed environment. In a model-independent way, the phase transition to the resulting gapless phase is found to be of first-order. The novel phase structure implies that the chromomagnetic instability happens in the previous-predicted gapless phase might be removed at least partly.
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