 Tidal torque theory

ID: tidal-torque-theory

Tidal torque theory explains the early angular momentum of a protohalo through the misalignment of its inertia tensor

I_{ij}

T_{ij} = \partial_{i} \partial_{j} Φ

of the surrounding peculiar gravitational potential. At leading order,

J_{i} \propto a^{2} \dot{D} ϵ_{ijk} T_{j l} I_{l k} .

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