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Acoustic versus electromagnetic field theory: scalar, vector, spinor representations and the emergence of acoustic spin
Lucas Burns, Konstantin Y. Bliokh, Franco Nori +1
We construct a novel Lagrangian representation of acoustic field theory that describes the local vector properties of longitudinal (curl-free) acoustic fields. In particular, this…
Spin-Hall effect of light at a tilted polarizer
K. Y. Bliokh, C. Prajapati, C. T. Samlan +2
We describe the spin-Hall effect of light (as well as the angular Goos-Hänchen effect) at a tilted linear-dichroic plate, such as a usual linear polarizer. Although the spin-Hall e…
Geometric phases in 2D and 3D polarized fields: geometrical, dynamical, and topological aspects
Konstantin Y. Bliokh, Miguel A. Alonso, Mark R. Dennis
Geometric phases are a universal concept that underpins numerous phenomena involving multi-component wave fields. These polarization-dependent phases are inherent in interference e…
Klein-Gordon representation of acoustic waves and topological origin of surface acoustic modes
Konstantin Y. Bliokh, Franco Nori
Recently, it was shown that surface electromagnetic waves at interfaces between continuous homogeneous media (e.g., surface plasmon-polaritons at metal-dielectric interfaces) have…
Topological non-Hermitian origin of surface Maxwell waves
Konstantin Y. Bliokh, Daniel Leykam, Max Lein +1
Maxwell electromagnetism, describing the wave properties of light, was formulated 150 years ago. More than 60 years ago it was shown that interfaces between optical media (includin…
Spin and orbital angular momenta of acoustic beams
Konstantin Y. Bliokh, Franco Nori
We analyze spin and orbital angular momenta in monochromatic acoustic wave fields in a homogeneous medium. Despite being purely longitudinal (curl-free), inhomogeneous acoustic wav…