Dynamics of Interacting Tachyonic Teleparallel Dark Energy

Table 1

Location and existence conditions of the critical points and the corresponding values of the dark energy equation of state parameter 𝜔_DE, of the total equation of state parameter 𝜔_tot, and of the deceleration parameter 𝑞.

Label	Location of (𝑥𝑐,𝑦𝑐,𝑢𝑐)	𝜔DE	𝜔tot	𝑞	Existence
𝐴	0,1,0	−1	−1	−1	𝜆=0
𝐵	0,−1,0	−1	−1	−1	𝜆=0
𝐶	0,𝛼𝜆^2𝛼𝜉+𝜉𝛼^2𝜉−2𝜆^2,𝛼𝜉+𝜉(𝛼^2𝜉−2𝜆^2)2𝜉𝜆	−1	−1	−1	𝜉≥2𝜆^2𝛼^2𝜆and𝛼>0or𝜉<0,𝛼>0and𝜆<0
𝐷	0,𝛼𝜆^2𝛼𝜉−𝜉𝛼^2𝜉−2𝜆^2,𝛼𝜉−𝜉(𝛼^2𝜉−2𝜆^2)2𝜉𝜆	−1	−1	−1	𝜉≥2𝜆^2𝛼^2𝜆and𝛼>0or𝜉<0,𝛼<0and𝜆>0