منابع مشابه
Guiding SPPs with PT-symmetry
The concept of parity-time (PT) symmetry in SPPs is proposed and confirmed for the first time in this work. By introducing periodic modulation of the effective refractive index in SPP system, the asymmetric propagation is theoretically predicted and numerically demonstrated. After validation of this concept, we apply it in two applications: PT-waveguide and PT-cloak. Both two applications furth...
متن کاملOptical mesh lattices with PT symmetry
Mohammad-Ali Miri,1,* Alois Regensburger,2,3 Ulf Peschel,2 and Demetrios N. Christodoulides1 1CREOL/College of Optics, University of Central Florida, Orlando, Florida 32816, USA 2Institute of Optics, Information and Photonics, University of Erlangen-Nuernberg, 91058 Erlangen, Germany 3Max Planck Institute for the Science of Light, 91058 Erlangen, Germany (Received 7 June 2012; published 3 Augus...
متن کاملWhat Is Pt Symmetry?
The recently proposed complexification of Hamiltonians which keeps the spectra real (and is usually called PT symmetry) is re-interpreted as a certain natural linearalgebraic alternative to Hermiticity. PACS 03.65.Bz, 03.65.Ca 03.65.Fd March 15, 2008, whatis.tex file, J. Phys. A (lett.) Formalism of quantum mechanics is often illustrated by the harmonic oscillator H = p + q. Its eigenstates for...
متن کاملDetecting Broken PT-Symmetry
A fundamental problem in the theory of PT-invariant quantum systems is to determine whether a given system “respects” this symmetry or not. If not, the system usually develops non-real eigenvalues. It is shown in this contribution how to algorithmically detect the existence of complex eigenvalues for a given PT-symmetric matrix. The procedure uses classical results from stability theory which q...
متن کاملShape invariant potentials with PT symmetry
Suitable complexification of the well known hyperbolic Rosen Morse oscillator in one dimension is shown to give the fourth (and last?) exactly solvable model which combines the shape and PT invariance. PACS 03.65.Ge, 03.65.Fd Review paper [1] emphasizes that a requirement of the so called shape invariance (with respect to the translation of a parameter) determines all the four known exactly sol...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2015
ISSN: 2045-2322
DOI: 10.1038/srep14981