TABLE 2.

Effects of ephaptic geometry and diffusion properties on ephaptic recovery times.

Ephaptic geometry		Diffusion parameters		Computational parameters			Computational results
Ephaptic radius, a nm	Axial distance, w, nm	Na+ diffusion coefficient, D Na, nm2.s-1	Cl− diffusion coefficient, D Cl, nm2.s-1	Mesh size, nm	Stepsize interval, ms	Computation duration, ms	Time taken for 99.97% recovery ms
4,000	20	1.3 $\times$ 109	2 $\times$ 109	400	0.01		20
8,000a				400	0.01		80
12,000b				800	0.01		180
24,000				1,200	0.08		720
40,000c				1,600	0.40		2000
8,000	5	1.3 $\times$ 109	2 $\times$ 109	400	0.01		80
	10			400	0.01		80
	20			400	0.01		80
	40			400	0.01		80
12,000	5	1.3 $\times$ 109	2 $\times$ 109	800	0.02		180
	10			800	0.02		180
	20			800	0.01		180
	40			800	0.01		180
8,000	20	0.65 $\times$ 109	1.0 $\times$ 109	400	0.01		160
		1.3 $\times$ 109	2 $\times$ 109	400	0.01		80
		2.6 $\times$ 109	4 $\times$ 109	800	0.01		40
12,000	20	0.65 $\times$ 109	1.0 $\times$ 109	800	0.02		360
		1.3 $\times$ 109	2 $\times$ 109	800	0.01		180
		2.6 $\times$ 109	4 $\times$ 109	800	0.01		90

a-c: diameters of atrial^a, ventricular^b, and purkinje cell^c, cardiomyocytes.