Dead Zone ·
MRI Switched Off
un
seel
.com · protoplanetary disk · non-ideal MHD · Gammie 1996
Active α
10⁻²
Dead α
10⁻⁴
Region
—
MRI-active skin (ionized)
Dead midplane (laminar)
Settled dust / pebbles
Planetesimal
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.com · Dead Zones