Publications: PT symmetry

• S. Böhrkircher, S. Erfort, H. Cartarius, G. Wunner
  Hybrid breathers in nonlinear PT-symmetric metamaterials
  Physical Review A 100, 063826 (2019)
  Reprint: PDF
  
  
• J. Stysch, F. Roser, D. Dast, H. Cartarius, G. Wunner
  Purity oscillations in coupled Bose-Einstein condensates
  Physical Review A 100, 063605 (2019)
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• F. Dangel, M. Wagner, H. Cartarius, J. Main, G. Wunner
  Topological invariants in dissipative extensions of the Su-Schrieffer-Heeger model
  Physical Review A 98, 013628 (2018)
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• M. Klett, H. Cartarius, D. Dast, J. Main, G. Wunner
  Topological edge states in the Su-Schrieer-Heeger model subject to balanced particle gain and loss
  European Physical Journal D 72, 214 (2018)
  Preprint: PDF
  
  
• T. Mathea, D. Dast, D. Dizdarevic, H. Cartarius, J. Main, G. Wunner
  Using mixed many-body particle states to generate exact PT-symmetry in a time-dependent four-well system
  Journal of Physics A 51, 315303 (2018)
  Preprint: PDF
  
  
• D. Dizdarevic, J. Main, K. Alpin, J. Reiff, D. Dast, H. Cartarius, G. Wunner
  Realization of balanced gain and loss in a time-dependent four-mode Bose-Hubbard model
  Physical Review A 97, 013623 (2018)
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• H. Cartarius, Z. H. Musslimani, L. Schwarz, G. Wunner
  Computing eigenfunctions and eigenvalues of boundary-value problems with the orthogonal spectral renormalization method
  Physical Review A 97, 032134 (2018)
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• D. Haag, D. Dast, H. Cartarius, G. Wunner
  PT-symmetric gain and loss in a rotating Bose-Einstein condensate
  Physical Review A 97, 033607 (2018)
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• J. Schnabel, H. Cartarius, J. Main, G. Wunner, W. D. Heiss
  Simple models of three coupled PT-symmetric wave guides allowing for third-order exceptional points
  Acta Polytechnica 57, 454 (2017)
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• M. Wagner, F. Dangel, H. Cartarius, G. Wunner, J. Main
  Numerical Calculation of the Complex Berry Phase in Non-Hermitian Systems
  Acta Polytechnica 57, 470 (2017)
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• P. Lunt, D. Haag, D. Dast, H. Cartarius, G. Wunner
  Balanced gain and loss in Bose-Einstein condensates without PT symmetry
  Physical Review A 96, 023614 (2017)
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• D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
  Stationary states in the many-particle description of Bose-Einstein condensates with balanced gain and loss
  Physical Review A 96, 023625 (2017)
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• J. Schnabel, H. Cartarius, J. Main, G. Wunner, W. D. Heiss
  PT-symmetric waveguide system with evidence of a third-order exceptional point
  Physical Review A 95, 053868 (2017)
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• L. Schwarz, H. Cartarius, Z. H. Musslimani, J. Main, G. Wunner
  Vortices in Bose-Einstein condensates with PT-symmetric gain and loss
  Physical Review A 95, 053613 (2017)
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• M. Klett, H. Cartarius, D. Dast, J. Main, G. Wunner
  Relation between PT-symmetry breaking and topologically nontrivial phases in the Su-Schrieffer-Heeger and Kitaev models
  Physical Review A 95, 053626 (2017)
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• D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
  Bose-Einstein condensates with balanced gain and loss beyond mean-field theory
  Physical Review A 94, 053601 (2016)
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• R. Gutöhrlein, H. Cartarius, J. Main, G. Wunner
  Bifurcations and exceptional points in a PT-symmetric dipolar Bose–Einstein condensate
  Journal of Physics A 49, 485301 (2016)
  Preprint: PDF
  
  
• M. Kreibich, J. Main, H. Cartarius, G. Wunner
  Tilted optical lattices with defects as realizations of PT symmetry in Bose-Einstein condensates
  Physical Review A 93, 023624 (2016)
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• D. Dast, D. Haag, H. Cartarius, G. Wunner
  Purity oscillations in Bose-Einstein condensates with balanced gain and loss
  Physical Review A 93, 033617 (2016)
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• D. Haag, D. Dast, H. Cartarius, G. Wunner
  PT-symmetric currents of a Bose-Einstein condensate in a triple well
  Physical Review A 92, 053627 (2015)
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• R. Gutöhrlein, J. Schnabel, I. Iskandarov, H. Cartarius, J. Main, G. Wunner
  Realizing PT-symmetric BEC subsystems in closed Hermitian systems
  Journal of Physics A 48, 335302 (2015)
  Preprint: PDF
  
  
• D. Dizdarevic, D. Dast, D. Haag, J. Main, H. Cartarius, G. Wunner
  Cusp bifurcation in the eigenvalue spectrum of PT-symmetric Bose-Einstein condensates
  Physical Review A 91, 033636 (2015)
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• D. Haag, D. Dast, H. Cartarius, G. Wunner
  Finite element calculations of PT-symmetric Bose-Einstein condensates
  International Journal of Theoretical Physics 54, 4100 (2015)
  
  
• N. Abt, H. Cartarius, G. Wunner
  Supersymmetric Model of a Bose-Einstein Condensate in a PT-Symmetric Double-delta Trap
  International Journal of Theoretical Physics 54, 4054 (2015)
  Preprint: PDF
  The final publication is available at http://link.springer.com
  
  
• D. Dast, D. Haag, H. Cartarius, G. Wunner, R. Eichler, J. Main
  Description of Bose-Einstein Condensates in PT-Symmetric Double Wells
  In: Selforganization in Complex Systems: The Past, Present, and Future of Synergetics, A. Pelster, G. Wunner (Eds.), Springer International Publishing, Cham, pp. 129-144 (2015)
  Preprint: PDF
  
  
• F. Single, H. Cartarius, G. Wunner, J. Main
  Coupling approach for the realization of a PT-symmetric potential for a Bose-Einstein condensate in a double well
  Physical Review A 90, 042123 (2014)
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• D. Dast, D. Haag, H. Cartarius, G. Wunner
  Quantum master equation with balanced gain and loss
  Physical Review A 90, 052120 (2014)
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• M. Kreibich, J. Main, H. Cartarius, G. Wunner
  Realizing PT-symmetric non-Hermiticity with ultracold atoms and Hermitian multiwell potentials
  Physical Review A 90, 033630 (2014)
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• R. Fortanier, D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner, R. Gutöhrlein
  Dipolar Bose-Einstein condensates in a PT-symmetric double-well potential
  Physical Review A 89, 063608 (2014)
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• D. Haag, H. Cartarius, G. Wunner
  A Bose-Einstein condensate with PT-symmetric loss and gain in a harmonic trap: A test of rigorous estimates
  Acta Polytechnica 54, 116 (2014)
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• D. Haag, D. Dast, A. Löhle, H. Cartarius, J. Main, G. Wunner
  Nonlinear quantum dynamics in a PT-symmetric double well
  Physical Review A 89, 023601 (2014)
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• A. Löhle, H. Cartarius, D. Haag, D. Dast, J. Main, G. Wunner
  Stability of Bose-Einstein condensates in a PT symmetric double-delta potential close to branch points
  Acta Polytechnica 54, 133 (2014)
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• D. Dast, D. Haag, H. Cartarius, J. Main, G. Wunner
  Eigenvalue structure of a Bose-Einstein condensate in a PT-symmetric double well
  Journal of Physics A 46, 375301 (2013)
  Preprint: PDF
  
  
• H. Cartarius, D. Dast, D. Haag, G. Wunner, R. Eichler, J. Main
  Stationary and dynamical solutions of the Gross-Pitaevskii equation for a Bose-Einstein condensate in a PT symmetric double well
  Acta Polytechnica 53, 259 (2013)
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• W. D. Heiss, H. Cartarius, G. Wunner, J. Main
  Spectral singularities in PT-symmetric Bose–Einstein condensates
  Journal of Physics A 46, 275307 (2013)
  Preprint: PDF
  
  
• M. Kreibich, J. Main, H. Cartarius, G. Wunner
  Hermitian four-well potential as a realization of a PT-symmetric system
  Physical Review A 87, 051601 (2013)
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• D. Dast, D. Haag, H. Cartarius, G. Wunner, R. Eichler, J. Main
  A Bose-Einstein condensate in a PT symmetric double well
  Fortschritte der Physik 61, 124 (2013)
  
  
• H. Cartarius, D. Haag, D. Dast, G. Wunner
  Nonlinear Schrödinger equation for a PT-symmetric delta-function double well
  Journal of Physics A 45, 444008 (2012)
  Preprint: PDF - Gzipped PostScript
  
  
• H. Cartarius, G. Wunner
  Model of a PT-symmetric Bose-Einstein condensate in a delta-function double-well potential
  Physical Review A 86, 013612 (2012)
  Reprint: PDF - Gzipped PostScript