BLF-SSH polarons coupled to acoustic phonons in the adiabatic limit

Coupled-mode stop bands of acoustic phonons in semiconductor superlattices.

Two-vibron bound states lifetime in a one-dimensional molecular lattice coupled to acoustic phonons

Propagating phonons coupled to an artificial atom.

Quantum information can be stored in micromechanical resonators, encoded as quanta of vibration known as phonons. The vibrational motion is then restricted to the stationary eigenmodes of the resonator, which thus serves as local storage for phonons. In contrast, we couple propagating phonons to an artificial atom in the quantum regime and reproduce findings from quantum optics, with sound taki...

Electroweak Baryogenesis in the Adiabatic Limit ⋆

Electroweak baryogenesis can occur in the " adiabatic limit, " in which expanding bubbles of true vacuum are assumed to have rather thick walls and be slowly moving. Here the problem of calculating the baryon asymmetry in this limit is reconsidered. A simple prescription for obtaining the relevant kinetic equations is given. An additional suppression beyond that usually assumed is found. This a...

Magnons and acoustic phonons in Y3ÀxBixFe5O12

We use Brillouin light scattering ~BLS! to study a series of single-crystal Bi-doped yttrium iron garnet Y32xBixFe5O12 ~Bi-YIG! prepared with x5 0, 0.14, 0.36, 0.54, and 0.92. BLS shows that the optimal laser power should be as low as possible, <5 mW. BLS manifests the Bi-concentration dependence of the magnetic and mechanic properties of Bi-YIG. Two bulk magnons are observed. One is the therma...