A new Bessel kernel for 2D disc gravity fixes convergence in GI simulations and reveals that softening prescriptions overestimate formed planet masses by a factor of 2-3.
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Galactic disks evolve secularly through transient, self-quenching spiral episodes excited non-resonantly by mild gradients (cavernae), with high-multiplicity spirals dominating in cold disks and lower-multiplicity ones in warmer disks as heating efficiency changes.
citing papers explorer
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Self-gravity in thin protoplanetary discs: 2. Numerical convergence solved and revealing the overestimation in mass of formed planets with softening
A new Bessel kernel for 2D disc gravity fixes convergence in GI simulations and reveals that softening prescriptions overestimate formed planet masses by a factor of 2-3.
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Nexae in caverna: the secular evolution of disks via collectively excited, transient spiral structure
Galactic disks evolve secularly through transient, self-quenching spiral episodes excited non-resonantly by mild gradients (cavernae), with high-multiplicity spirals dominating in cold disks and lower-multiplicity ones in warmer disks as heating efficiency changes.