Open Access

Table 1.

List of torque models and their symbols.

Reference Labels Description
Ghosh & Lamb (1979) GL “standard” model derived for a number of simplifying approximations
Wang (1995) WI,II,III three models derived based on different transport mechanisms
Rappaport et al. (2004) R estimation of disk truncation for fast systems
Matt & Pudritz (2005) M fully parameterized model coupling strength
Dai & Li (2006) D ad-hoc model to extend truncation beyond co-rotation radius
Kluźniak & Rappaport (2007) KI,II similar to Wang, solves disk structure
Gao & Li (2021) GI,II extension of Wang for stronger coupling

Notes. The numerals in the subscript denote the different models discussed in the respective publications.

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