Staff profile

• conformal and integrable field theories

• 2000: Membership of Professional Body: 'Fellow of the Institute of Physics'
• 2000: National and International Collaboration: Current/recent collaborations (ie, within the 2001-present period) with R.Tateo (Torino, Italy), C.Dunning (Kent), J.L.Miramontes (USC, Spain), J.Suzuki (Shizuoka U., Japan), C.Rim (Chonbuk National U., Korea), D.Fioravanti (Bologna, Italy), Tomasz Romanczukiewicz (Krakow, Poland), Yasha Shnir (Dubna, Russia)
• 2000: Editorial Duties: Member of the editorial boards of Journal of Physics A, Journal of High Energy Physics (JHEP), and Journal of Statistical Mechanics: Theory and Experiment (JSTAT)
• 2000: Committee Duties: Member of the EPSRC peer-review college
• 2000: 'Network': North British Mathematical Physics Seminar, 3 one-day meetings annually between Edinburgh, Heriot-Watt, York and Durham Universities, funded by an LMS Scheme 3 grant. EUCLID RTN (FP5) European network, grant RTN2-2001-00393, four years from October 2002. I am the Scientist-in charge for the Durham node of this network, which is coordinated by Ed Corrigan in York. Also involved in the ABC-KLM meetings, an EPSRC-funded UK network (but this most probably has just one more meeting to run).

Authored book

• PT Symmetry: In Quantum and Classical Physics
  
  Bender, C. M., Dorey, P. E., Dunning, C., Fring, A., Hook, D. W., Jones, H. F., Kuzhel, S., Lévai, G., & Tateo, R. (2019). PT Symmetry: In Quantum and Classical Physics. https://doi.org/10.1142/q0178

Conference Paper

• ABCD and ODEs
  
  Dorey, P., Dunning, C., Masoero, D., Suzuki, J., & Tateo, R. (2007). ABCD and ODEs. Presented at ICMP 2006, Rio de Janeiro, Brazil.
• Differential equations and the Bethe ansatz
  
  Dorey, P., Dunning, C., Millican-Slater, A., & Tateo, R. (2003). Differential equations and the Bethe ansatz [Conference paper].
• Aspects of the homogeneous sine-Gordon models
  
  Dorey, P., & Miramontes, J. L. (2002, July). Aspects of the homogeneous sine-Gordon models. Presented at Workshop on Integrable Theories, Solitons and Duality, Sao Paulo.
• Boundary integrable quantum field theories
  
  Dorey, P. (2001). Boundary integrable quantum field theories [Conference paper].
• Ordinary differential equations and integrable quantum field theories
  
  Dorey, P., Dunning, C., & Tateo, R. (2000). Ordinary differential equations and integrable quantum field theories [Conference paper].
• The ODE/IM correspondence
  
  Dorey, P., Dunning, C., & Tateo, R. (2000). The ODE/IM correspondence [Conference paper].
• Finite size effects in perturbed boundary conformal field theories
  
  Dorey, P., & others. (2000). Finite size effects in perturbed boundary conformal field theories [Conference paper].
• Exact S matrices
  
  Dorey, P. (1996). Exact S matrices [Conference paper].
• Hidden geometrical structures in integrable models
  
  Dorey, P. (1992). Hidden geometrical structures in integrable models [Conference paper].
• Affine Toda field theory: S matrix versus perturbation
  
  Braden, H., Corrigan, E., Dorey, P., & Sasaki, R. (1991). Affine Toda field theory: S matrix versus perturbation [Conference paper].
• Aspects of affine Toda field theory
  
  Braden, H., Corrigan, E., Dorey, P., & Sasaki, R. (1990). Aspects of affine Toda field theory [Conference paper].
• ASPECTS OF PERTURBED CONFORMAL FIELD THEORY, AFFINE TODA FIELD THEORY AND EXACT S MATRICES
  
  Braden, H., Corrigan, E., Dorey, P., & Sasaki, R. (1989). ASPECTS OF PERTURBED CONFORMAL FIELD THEORY, AFFINE TODA FIELD THEORY AND EXACT S MATRICES [Conference paper].

Edited book

• Integrability: From Statistical Systems to Gauge Theory
  
  Dorey, P., Korchemsky, G., Nekrasov, N., Schomerus, V., Serban, D., & Cugliandolo, L. (Eds.). (2019). Integrability: From Statistical Systems to Gauge Theory. Oxford University Press.

Journal Article

• Perturbations of Q-balls: from spectral structure to radiation pressure
  
  Ciurla, D., Dorey, P., Romańczukiewicz, T., & Shnir, Y. (2024). Perturbations of Q-balls: from spectral structure to radiation pressure. Journal of High Energy Physics, 2024(7), Article 196. https://doi.org/10.1007/jhep07%282024%29196
• Oscillons in gapless theories
  
  Dorey, P., Romańczukiewicz, T., Shnir, Y., & Wereszczyński, A. (2024). Oscillons in gapless theories. Physical Review D, 109(8), Article 085017. https://doi.org/10.1103/physrevd.109.085017
• From tree- to loop-simplicity in affine Toda theories II: higher-order poles and cut decompositions
  
  Dorey, P., & Polvara, D. (2023). From tree- to loop-simplicity in affine Toda theories II: higher-order poles and cut decompositions. Journal of High Energy Physics, 2023(10), Article 177. https://doi.org/10.1007/jhep10%282023%29177
• Collisions of weakly-bound kinks in the Christ-Lee model
  
  Dorey, P., Gorina, A., Romańczukiewicz, T., & Shnir, Y. (2023). Collisions of weakly-bound kinks in the Christ-Lee model. Journal of High Energy Physics, 2023(9), Article 45. https://doi.org/10.1007/jhep09%282023%29045
• Multikink scattering in the ϕ6 model revisited
  
  Adam, C., Dorey, P., Martín-Caro, A. G., Huidobro, M., Oles, K., Romanczukiewicz, T., Shnir, Y., & Wereszczynski, A. (2022). Multikink scattering in the ϕ6 model revisited. Physical Review D, 106(12), Article 125003. https://doi.org/10.1103/physrevd.106.125003
• The SAGEX Review on scattering amplitudes
  
  Travaglini, G., Brandhuber, A., Dorey, P. E., McLoughlin, T. A., Abreu, S., Bern, Z., Bjerrum-Bohr, N. E. J., Blümlein, J., Britto, R., Carrasco, J. J. M., Chicherin, D., Chiodaroli, M., Damgaard, P. H., Del Duca, V., Dixon, L. J., Dorigoni, D., Duhr, C., Geyer, Y., Green, M. B., … White, C. (2022). The SAGEX Review on scattering amplitudes. Journal of Physics A: Mathematical and Theoretical, 55(44), Article 443001. https://doi.org/10.1088/1751-8121/ac8380
• From tree- to loop-simplicity in affine Toda theories I: Landau singularities and their subleading coefficients
  
  Dorey, P., & Polvara, D. (2022). From tree- to loop-simplicity in affine Toda theories I: Landau singularities and their subleading coefficients. Journal of High Energy Physics, 2022(9), Article 220. https://doi.org/10.1007/jhep09%282022%29220
• Tree level integrability in 2d quantum field theories and affine Toda models
  
  Dorey, P., & Polvara, D. (2022). Tree level integrability in 2d quantum field theories and affine Toda models. Journal of High Energy Physics, 2022(2). https://doi.org/10.1007/jhep02%282022%29199
• Resonance structures in kink-antikink collisions in a deformed sine-Gordon model
  
  Dorey, P., Gorina, A., Perapechka, I., Romańczukiewicz, T., & Shnir, Y. (2021). Resonance structures in kink-antikink collisions in a deformed sine-Gordon model. Journal of High Energy Physics, 2021(9), Article 145. https://doi.org/10.1007/jhep09%282021%29145
• Staccato radiation from the decay of large amplitude oscillons
  
  Dorey, P., Romanczukiewicz, T., & Shnir, Y. (2020). Staccato radiation from the decay of large amplitude oscillons. Physics Letters B, 806, Article 135497. https://doi.org/10.1016/j.physletb.2020.135497
• Geometric aspects of the ODE/IM correspondence
  
  Dorey, P. E., Dunning, C., Negro, S., & Tateo, R. (2020). Geometric aspects of the ODE/IM correspondence. Journal of Physics A: Mathematical and Theoretical, 53(2), Article 223001. https://doi.org/10.1088/1751-8121/ab83c9
• Resonant kink-antikink scattering through quasinormal modes
  
  Dorey, P., & Romańczukiewicz, T. (2018). Resonant kink-antikink scattering through quasinormal modes. Physics Letters B, 779, 117-123. https://doi.org/10.1016/j.physletb.2018.02.003
• A Bound on the Pseudospectrum for a Class of Non-normal Schrödinger Operators
  
  Dondl, P., Dorey, P., & Rossler, F. (2017). A Bound on the Pseudospectrum for a Class of Non-normal Schrödinger Operators. Applied Mathematics Research EXpress, 2017(2), 271-296. https://doi.org/10.1093/amrx/abw011
• Boundary scattering in the ϕ4 model
  
  Dorey, P., Halavanau, A., Mercer, J., Romanczukiewicz, T., & Shnir, Y. (2017). Boundary scattering in the ϕ4 model. Journal of High Energy Physics, 2017(5), Article 107. https://doi.org/10.1007/jhep05%282017%29107
• Roaming form factors for the tricritical to critical Ising flow
  
  Horváth, D., Dorey, P., & Takács, G. (2016). Roaming form factors for the tricritical to critical Ising flow. Journal of High Energy Physics, 2016(7), Article 051. https://doi.org/10.1007/jhep07%282016%29051
• Breaking integrability at the boundary: the sine-Gordon model with Robin boundary conditions
  
  Arthur, R., Dorey, P., & Parini, R. (2016). Breaking integrability at the boundary: the sine-Gordon model with Robin boundary conditions. Journal of Physics A: Mathematical and Theoretical, 49(16), Article 165205. https://doi.org/10.1088/1751-8113/49/16/165205
• Form factor relocalisation and interpolating renormalisation group flows from the staircase model
  
  Dorey, P., Siviour, G., & Takács, G. (2015). Form factor relocalisation and interpolating renormalisation group flows from the staircase model. Journal of High Energy Physics, 2015(3), Article 054. https://doi.org/10.1007/jhep03%282015%29054
• The Bethe Ansatz and the Tzitzéica-Bullough-Dodd equation
  
  Dorey, P., Faldella, S., Negro, S., & Tateo, R. (2013). The Bethe Ansatz and the Tzitzéica-Bullough-Dodd equation. Philosophical Transactions of the Royal Society of London A: Mathematical, Physical and Engineering Sciences., 371(1989), Article 20120052. https://doi.org/10.1098/rsta.2012.0052
• Quasi-exact solvability, resonances and trivial monodromy in ordinary differential equations
  
  Dorey, P., Dunning, C., & Tateo, R. (2012). Quasi-exact solvability, resonances and trivial monodromy in ordinary differential equations. Journal of Physics A: Mathematical and Theoretical, 45(44). https://doi.org/10.1088/1751-8113/45/44/444013
• Exact g-function flows from the staircase model.
  
  Dorey, P., Tateo, R., & Wilbourne, R. (2011). Exact g-function flows from the staircase model. Nuclear Physics B, 843(3), 724-752. https://doi.org/10.1016/j.nuclphysb.2010.10.009
• Kink-Antikink Collisions in the ϕ6 Model
  
  Dorey, P., Mersh, K., Romanczukiewicz, T., & Shnir, Y. (2011). Kink-Antikink Collisions in the ϕ6 Model. Physical Review Letters, 107(9), Article 091602. https://doi.org/10.1103/physrevlett.107.091602
• Exact g-function flow between conformal field theories.
  
  Dorey, P., Rim, C., & Tateo, R. (2010). Exact g-function flow between conformal field theories. Nuclear Physics B, 834(3), 485-501. https://doi.org/10.1016/j.nuclphysb.2010.03.010
• On the absence of reflection in AdS(4) / CFT(3).
  
  Ahn, C., Dorey, P., & Nepomechie, R. (2010). On the absence of reflection in AdS(4) / CFT(3). Journal of High Energy Physics, 2010(1), 1-10.
• PT symmetry breaking and exceptional points for a class of inhomogeneous complex potentials.
  
  Dorey, P., Dunning, C., Lishman, A., & Tateo, R. (2009). PT symmetry breaking and exceptional points for a class of inhomogeneous complex potentials. Journal of Physics A: Mathematical and Theoretical, 42(46), Article 465302. https://doi.org/10.1088/1751-8113/42/46/465302
• From PT-symmetric quantum mechanics to conformal field theory.
  
  Dorey, P., Dunning, C., & Tateo, R. (2009). From PT-symmetric quantum mechanics to conformal field theory. Pramana, 73, 217-239. https://doi.org/10.1007/s12043-009-0114-8
• On the ODE/IM correspondence for minimal models.
  
  Dorey, P., Dunning, C., Gliozzi, F., & Tateo, R. (2008). On the ODE/IM correspondence for minimal models. Journal of Physics A: Mathematical and Theoretical, 41(13), Article 132001. https://doi.org/10.1088/1751-8113/41/13/132001
• Pseudo-differential equations, and the Bethe ansatz for the classical Lie algebras
  
  Dorey, P., Dunning, C., Masoero, D., Suzuki, J., & Tateo, R. (2007). Pseudo-differential equations, and the Bethe ansatz for the classical Lie algebras. Nuclear Physics B, 772(3), 249-289. https://doi.org/10.1016/j.nuclphysb.2007.02.029
• The ODE/IM Correspondence.
  
  Dorey, P., Dunning, C., & Tateo, R. (2007). The ODE/IM Correspondence. Journal of Physics A: Mathematical and Theoretical, 40, R205-R283. https://doi.org/10.1088/1751-8113/40/32/r01
• A T-duality interpretation of the relationship between massive and massless magnonic TBA systems.
  
  Dorey, P., & Miramontes, J. (2006). A T-duality interpretation of the relationship between massive and massless magnonic TBA systems. Journal of Statistical Mechanics: Theory and Experiment, 2006(12), Article P12016. https://doi.org/10.1088/1742-5468/2006/12/p12016
• Beyond the WKB approximation in PT-symmetric quantum mechanics
  
  Dorey, P., Millican-Slater, A., & Tateo, R. (2005). Beyond the WKB approximation in PT-symmetric quantum mechanics. Journal of Physics A: Mathematical and General, 38(6), 1305-1332. https://doi.org/10.1088/0305-4470/38/6/010
• Reflection factors and exact g-functions for purely elastic scattering theories
  
  Dorey, P., Lishman, A., Rim, C., & Tateo, R. (2005). Reflection factors and exact g-functions for purely elastic scattering theories. Nuclear Physics B, 744, 239-276. https://doi.org/10.1016/j.nuclphysb.2006.02.043
• Mass scales and crossover phenomena in the homogeneous sine-Gordon models
  
  Dorey, P., & Miramontes, J. L. (2004). Mass scales and crossover phenomena in the homogeneous sine-Gordon models. Nuclear Physics B, 697(3), 405-461. https://doi.org/10.1016/j.nuclphysb.2004.07.019
• Integrable quantum field theory with boundaries: The exact g-function
  
  Dorey, P., Fioravanti, D., Rim, C., & Tateo, R. (2004). Integrable quantum field theory with boundaries: The exact g-function. Nuclear Physics B, 696(3), 445-467. https://doi.org/10.1016/j.nuclphysb.2004.06.045
• Finite lattice Bethe ansatz systems and the Heun equation
  
  Dorey, P., Suzuki, J., & Tateo, R. (2004). Finite lattice Bethe ansatz systems and the Heun equation. Journal of Physics A: Mathematical and Theoretical, 37, 2047-2062. https://doi.org/10.1088/0305-4470/37/6/006
• A reality proof in PT-symmetric quantum mechanics
  
  Dorey, P., Dunning, C., & Tateo, R. (2004). A reality proof in PT-symmetric quantum mechanics. Czechoslovak Journal of Physics, 54, 35-41.
• Integrable aspects of the scaling q-state Potts models. II: Finite-size effects
  
  Dorey, P., Pocklington, A., & Tateo, R. (2003). Integrable aspects of the scaling q-state Potts models. II: Finite-size effects. Nuclear Physics B, 661, 464-513.
• Integrable aspects of the scaling q-state Potts models I: bound states and bootstrap closure
  
  Dorey, P., Pocklington, A., & Tateo, R. (2003). Integrable aspects of the scaling q-state Potts models I: bound states and bootstrap closure. Nuclear Physics B, 661, 425-463.
• Spectral equivalences, Bethe ansatz equations, and reality properties in PT-symmetric quantum mechanics
  
  Dorey, P., Dunning, C., & Tateo, R. (2001). Spectral equivalences, Bethe ansatz equations, and reality properties in PT-symmetric quantum mechanics. Journal of Physics A: Mathematical and General, 34(28), 5679-5704. https://doi.org/10.1088/0305-4470/34/28/305
• One-point functions in perturbed boundary conformal field theories
  
  Dorey, P., Pillin, M., Tateo, R., & Watts, G. (2001). One-point functions in perturbed boundary conformal field theories. Nuclear Physics B, 594, 625-659.
• Supersymmetry and the spontaneous breakdown of PT symmetry
  
  Dorey, P., Dunning, C., & Tateo, R. (2001). Supersymmetry and the spontaneous breakdown of PT symmetry. Journal of Physics A: Mathematical and Theoretical, 34.
• g-function flow in perturbed boundary conformal field theories
  
  Dorey, P., Runkel, I., Tateo, R., & Watts, G. (2000). g-function flow in perturbed boundary conformal field theories. Nuclear Physics B, 578, 85-122.
• Differential equations and integrable models: The SU(3) case.
  
  Dorey, P., & Tateo, R. (2000). Differential equations and integrable models: The SU(3) case. Nuclear Physics B, 571, 583-606.
• Boundary spectrum in the sine-Gordon model with Dirichlet boundary conditions
  
  Mattsson, P., & Dorey, P. (2000). Boundary spectrum in the sine-Gordon model with Dirichlet boundary conditions. Journal of Physics A: Mathematical and General, 33, 9065-9094. https://doi.org/10.1088/0305-4470/33/49/304
• Differential equations for general SU(n) Bethe ansatz systems
  
  Dorey, P., Dunning, C., & Tateo, R. (2000). Differential equations for general SU(n) Bethe ansatz systems. Journal of Physics A: Mathematical and Theoretical, 33, 8427-8442.
• New families of flows between two-dimensional conformal field theories
  
  Dorey, P., Dunning, C., & Tateo, R. (2000). New families of flows between two-dimensional conformal field theories. Nuclear Physics B, 578, 699-727.
• On the relation between Stokes multipliers and the T-Q systems of conformal field theory
  
  Dorey, P., & Tateo, R. (1999). On the relation between Stokes multipliers and the T-Q systems of conformal field theory. Nuclear Physics B, 563, 573-602. https://doi.org/10.1016/s0550-3213%2899%2900609-4
• On the phase diagram of the discrete $Z_6$ spin models
  
  Dorey, P., Provero, P., Tateo, R., & Vinti, S. (1999). On the phase diagram of the discrete $Z_6$ spin models. Journal of Physics A: Mathematical and Theoretical, 32, L151-L158.
• Anharmonic oscillators, the thermodynamic Bethe ansatz, and nonlinear integral equations
  
  Dorey, P., & Tateo, R. (1999). Anharmonic oscillators, the thermodynamic Bethe ansatz, and nonlinear integral equations. Journal of Physics A: Mathematical and Theoretical, 32, L419-L425.
• Generalisations of the Coleman-Thun mechanism and boundary reflection factors
  
  Dorey, P., Tateo, R., & Watts, G. (1999). Generalisations of the Coleman-Thun mechanism and boundary reflection factors. Physics Letters B, 448, 249-256.
• TBA and TCSA with boundaries and excited states
  
  Dorey, P., Pocklington, A., Tateo, R., & Watts, G. (1998). TBA and TCSA with boundaries and excited states. Nuclear Physics B, 525, 641-663. https://doi.org/10.1016/s0550-3213%2898%2900339-3
• Excited states in some simple perturbed conformal field theories
  
  Dorey, P., & Tateo, R. (1998). Excited states in some simple perturbed conformal field theories. Nuclear Physics B, 515, 575-623. https://doi.org/10.1016/s0550-3213%2897%2900838-9
• Excited states by analytic continuation of TBA equations
  
  Dorey, P., & Tateo, R. (1996). Excited states by analytic continuation of TBA equations. Nuclear Physics B, 482, 639-659. https://doi.org/10.1016/s0550-3213%2896%2900516-0
• Massive and massless phases in self-dual $Z_N$ spin models: some exact results from the thermodynamic Bethe ansatz
  
  Dorey, P., Tateo, R., & Thompson, K. E. (1996). Massive and massless phases in self-dual $Z_N$ spin models: some exact results from the thermodynamic Bethe ansatz. Nuclear Physics B, 470, 317-368. https://doi.org/10.1016/0550-3213%2896%2900183-6
• Classically integrable boundary conditions for affine Toda field theories
  
  Bowcock, P., Corrigan, E., Dorey, P., & Rietdijk, R. (1995). Classically integrable boundary conditions for affine Toda field theories. Nuclear Physics B, 445(2-3), 469-500. https://doi.org/10.1016/0550-3213%2895%2900153-j
• Aspects of affine Toda field theory on a half line.
  
  Corrigan, E., Dorey, P., & Rietdijk, R. (1995). Aspects of affine Toda field theory on a half line. Progress of Theoretical Physics. Supplement., 118, 143-164. https://doi.org/10.1143/ptps.118.143
• Affine Toda field theory on a half line
  
  Corrigan, E., Dorey, P., Rietdijk, R., & Sasaki, R. (1994). Affine Toda field theory on a half line. Physics Letters B, B333, 83-91. https://doi.org/10.1016/0370-2693%2894%2991011-1
• A remark on the coupling dependence in affine Toda field theories
  
  Dorey, P. (1993). A remark on the coupling dependence in affine Toda field theories. Physics Letters B, 312(3), 291-298. https://doi.org/10.1016/0370-2693%2893%2991083-y
• Partition functions, intertwiners and the Coxeter element
  
  Dorey, P. (1993). Partition functions, intertwiners and the Coxeter element. International Journal of Modern Physics A, A8, 193-208.
• Staircase models from affine Toda field theory
  
  Dorey, P. E., & Ravanini, F. (1993). Staircase models from affine Toda field theory. International Journal of Modern Physics A, A8, 873-894.
• Generalizing the staircase models
  
  Dorey, P., & Ravanini, F. (1993). Generalizing the staircase models. Nuclear Physics B, B406, 708-726. https://doi.org/10.1016/0550-3213%2893%2990007-c
• On a generalized bootstrap principle
  
  Corrigan, E., Dorey, P., & Sasaki, R. (1993). On a generalized bootstrap principle. Nuclear Physics B, B408, 579-599. https://doi.org/10.1016/0550-3213%2893%2990381-x
• Root systems and purely elastic S matrices. 2
  
  Dorey, P. (1992). Root systems and purely elastic S matrices. 2. Nuclear Physics B, B374, 741-762. https://doi.org/10.1016/0550-3213%2892%2990407-3
• Root systems and purely elastic S matrices
  
  Dorey, P. (1991). Root systems and purely elastic S matrices. Nuclear Physics B, B358, 654-676. https://doi.org/10.1016/0550-3213%2891%2990428-z
• Multiple poles and other features of affine Toda field theory
  
  Braden, H., Corrigan, E., Dorey, P., & Sasaki, R. (1991). Multiple poles and other features of affine Toda field theory. Nuclear Physics B, B356, 469-498. https://doi.org/10.1016/0550-3213%2891%2990317-q
• A Representation of the exchange relation for affine Toda field theory
  
  Corrigan, E., & Dorey, P. (1991). A Representation of the exchange relation for affine Toda field theory. Physics Letters B, B273, 237-245. https://doi.org/10.1016/0370-2693%2891%2991677-n
• Affine Toda Field Theory and Exact S Matrices
  
  Braden, H., Corrigan, E., Dorey, P., & Sasaki, R. (1990). Affine Toda Field Theory and Exact S Matrices. Nuclear Physics B, B338, 689-746. https://doi.org/10.1016/0550-3213%2890%2990648-w
• Extended Toda field theory and exact S-matrices.
  
  Braden, H., Corrigan, E., Dorey, P., & Sasaki, R. (1989). Extended Toda field theory and exact S-matrices. Physics Letters B, 227(3-4), 411-416. https://doi.org/10.1016/0370-2693%2889%2990952-0

Presentation

• Aspects of the ODE / IM correspondence
  
  Dorey, P., Dunning, C., & Tateo, R. (2004). Aspects of the ODE / IM correspondence [Conference paper].
• The ODE/IM correspondence and PT-symmetric quantum mechanics
  
  Dorey, P., Dunning, C., & Tateo, R. (2002). The ODE/IM correspondence and PT-symmetric quantum mechanics [Conference paper].