Erratum: Polariton dispersion of periodic quantum well structures (Pis’ma Zh. Éksp. Teor. Fiz. 76, 739 (2002) [JETP Lett. 76, 637 (2002)])

ITEP-LAT/2002-26 MPI-PhT/2002-76

We report measurements of the action associated with center vortices in SU(2) pure lattice gauge theory. In the lattice units the excess of the action on the plaquettes belonging to the vortex is approximately a constant, independent on the lattice spacing a. Therefore the action of the center vortex is of order A/a, where A is its area. Since the area A is known to scale in the physical units,...

Polariton local states in periodic Bragg multiple-quantum-well structures.

We study analytically the optical properties of several types of defect in Bragg multiple-quantum-well structures. We show that a single defect leads to two local polariton modes in the photonic bandgap. These modes lead to peculiarities in reflection and transmission spectra. Detailed recommendations for experimental observation of the effects studied here are given.

Local polariton modes and resonant tunneling of electromagnetic waves through periodic Bragg multiple quantum well structures

We study analytically defect polariton states in Bragg multiple quantum well structures and defect-induced changes in transmission and reflection spectra. Defect layers can differ from the host layers in three ways: exciton-light coupling strength, exciton resonance frequency, and interwell spacing. We show that a single defect leads to two local polariton modes in the photonic band gap. These ...

Europhys. Lett., 59 (4), pp. 599-605 (2002)

1990 76 : 1704 - 1709

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