): Also known as , these diverge (go to infinity) at the origin. They are critical for modeling annular regions where the center is excluded. Modified Bessel Functions ( ): Solutions to the modified equation (with a −x2negative x squared
): Arise when solving wave equations in spherical coordinates, common in quantum mechanics and acoustics. 🚀 Key Applications 🌊 Wave Propagation & Optics Bessel functions and their applications
Bessel Beam: Significance and Applications—A Progressive Review ): Also known as , these diverge (go
). They are used for systems with smooth behavior at the center, like a vibrating drumhead. Second Kind ( Yncap Y sub n ): Also known as