B	Breadth of the slider bearing (in the x direction)
E	Potential energy barrier
L	Length of the slider bearing (in the y direction)
h	Film thickness
R	Radius of the spherical liquid drop on solid surface
p	Fluid pressure
U	The speed of the puck in a given direction
τc	Critical shear stress for slip
η	Dynamic viscosity of the lubricant
x	Shift coordinate
y	Transverse coordinate of the shift