WIAS Preprint List: Neidhardt, Hagen

• 2356: Neidhardt, Hagen; Stephan, Artur; Zagrebnov, Valentin A.
  Convergence rate estimates for Trotter product approximations of solution operators for non-autonomous Cauchy problems
  Appeared in: Publ. Res. Inst. Math. Sci., 56 (2020), pp. 83--135 (published online 21.01.2020), DOI 10.4171/PRIMS/56-1-5 .
• 2033: Muminov, Mukhiddin; Neidhardt, Hagen; Rasulov, Tulkin
  On the spectrum of the lattice spin-boson Hamiltonian for any coupling: 1D case
  Appeared in: J. Math. Phys., 56 (2015) pp. 053507/1--053507/24.
• 1938: Lotoreichik, Vladimir; Neidhardt, Hagen; Popov, Igor Yu.
  Point contacts and boundary triples
  Appeared in: Mathematical Results in Quantum Mechanics. Proceedings of the QMath12 Conference, P. Exner, W. König, H. Neidhardt, eds., World Scientific Publishing, Singapore, 2015, pp. 283--293
• 1937: Malamud, Mark M.; Neidhardt, Hagen
  Trace formulas for singular perturbations
  Appeared in: Adv. Math., 274 (2015) pp. 736--832.
• 1895: Neidhardt, Hagen; Wilhelm, Lukas; Zagrebnov, Valentin A.
  A new model for quantum dot light emitting-absorbing devices
  Appeared in: J. Mathematical Physics Analysis Geometry (MAG), 10 (2014) pp. 1--37.
• 1876: Cornean, Horia; Neidhardt, Hagen; Wilhelm, Lukas; Zagrebnov, Valentin
  The Cayley transform applied to non-interacting quantum transport
  Appeared in: J. Funct. Anal., 266 (2014) pp. 1421--1475.
• 1813: Malamud, Mark; Neidhardt, Hagen
  Perturbation determinants for singular perturbations
  Appeared in: Russ. J. Math. Phys., 21 (2014) pp. 55--98.
• 1595: Malamud, Mark; Neidhardt, Hagen
  Sturm--Liouville boundary value problems with operator potentials and unitary equivalence
  Appeared in: J. Differential Equations, 252 (2012) pp. 5875--5922.
• 1452: Racec, Paul N.; Racec, Roxana; Neidhardt, Hagen
  R-matrix formalism for electron scattering in two dimensions
  Appeared in: Trends in Nanophysics, A. Aldea, V. Bârsan, eds., Engineering Materials, Springer, Berlin/Heidelberg, 2010, pp. 149--174
• 1428: Exner, Pavel; Neidhardt, Hagen
  Trotter--Kato product formula for unitary groups
  Appeared in: Integral Equations Operator Theory, 69 (2011) pp. 451--478.
• 1427: Malamud, Mark M.; Neidhardt, Hagen
  On the unitary equivalence of absolutely continuous parts of self-adjoint extensions
  Appeared in: J. Funct. Anal., 360 (2011) pp. 613--638.
• 1406: Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen
  Finite rank perturbations, scattering matrices and inverse problems
  Appeared in: Operator Theory in Krein Spaces and Spectral Analysis, J. Behrndt, K.-H. Förster, C. Trunk, H. Winkler, eds., vol. 198 of Operator Theory: Advances and Applications, Birkhäuser, Basel, 2009, pp. 61--85
• 1376: Racec, Paul N.; Racec, Roxana; Neidhardt, Hagen
  Evanescent channels and scattering in cylindrical nanowire heterostructures
  Appeared in: Phys. Rev. B., 79 (2009) pp. 155305/1--155305/14.
• 1293: Cornean, Horia; Hoke, Kurt; Neidhardt, Hagen; Racec, Paul N.; Rehberg, Joachim
  A Kohn--Sham system at zero temperature
  Appeared in: J. Phys. A, 41 (2008) pp. 385304/1--385304/21.
• 1282: Behrndt, Jussi; Malamud, Mark; Neidhardt, Hagen
  Trace formulae for dissipative and coupled scattering systems
  Appeared in: vol. 188 of Operator Theory: Advances and Applications, Birkhäuser, Basel, 2008, pp. 57--93
• 1275: Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  Monotonicity properties of the quantum mechanical particle density
  Appeared in: Monatsh. Math., 158 (2009) pp. 179--185.
• 1267: Cornean, Horia D.; Neidhardt, Hagen; Zagrebnov, Valentin A.
  The effect of time-dependent coupling on non-equilibrium steady states
  Appeared in: Ann. Henri Poincare, 10 (2009) pp. 61--93.
• 1266: Neidhardt, Hagen; Zagrebnov, Valentin A.
  Linear non-autonomous Cauchy problems and evolution semigroups
  Appeared in: Adv. Differential Equations, 14 (2009) pp. 289--340.
• 1204: Behrndt, Jussi; Neidhardt, Hagen; Racec, Roxana; Racec, Paul N.; Wulf, Ulrich
  On Eisenbud's and Wigner's R-matrix: A general approach
  Appeared in: J. Differential Equations, 244 (2008) pp. 2545--2577.
• 1189: Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  Classical solutions of drift-diffusion equations for semiconductor devices: The 2D case
  Appeared in: Nonlinear Anal., 71 (2009) pp. 1584--1605.
• 1179: Behrndt, Jussi; Malamud, Mark; Neidhardt, Hagen
  Scattering theory for open quantum systems
  Appeared in: Math. Phys. Anal. Geom., 10 (2007) pp. 313--358.
• 1121: Behrndt, Jussi; Malamud, Mark M.; Neidhardt, Hagen
  Scattering matrices and Weyl functions
  Appeared in: Proc. London Math. Soc. (3), 97 (2008) pp. 568--598.
• 1076: Behrndt, Jussi; Neidhardt, Hagen; Rehberg, Joachim
  Block operator matrices, optical potentials, trace class perturbations and scattering
  Appeared in: Operator Theory in Inner Product Spaces, K.-H. Förster, P. Jonas, H. Langer, C. Trunk, eds., Vol. 175 of Operator Theory: Advances and Applications, Birkhäuser, Basel, 2007, 33--49
• 1053: Exner, Pavel; Ichinose, Takashi; Neidhardt, Hagen; Zagrebnov, Valentin
  Zeno product formula revisited
  Appeared in: Integral Equations Operator Theory, 57 (2007) pp. 67--81.
• 1045: Neidhardt, Hagen; Rehberg, Joachim
  Scattering matrix, phase shift, spectral shift and trace formula for one-dimensional Schrödinger-type operators
  Appeared in: Integral Equations Operator Theory, 58 (2007) pp. 407--431.
• 1044: Neidhardt, Hagen; Rehberg, Joachim
  Uniqueness for dissipative Schrödinger--Poisson systems
  Appeared in: J. Math. Phys., 46 (2005) pp. 113513/1--113513/28.
• 946: Baro, Michael; Neidhardt, Hagen; Rehberg, Joachim
  Current coupling of drift-diffusion models and dissipative Schrödinger--Poisson systems: Dissipative hybrid models
  Appeared in: SIAM J. Math. Anal., Vol. 37, No. 3, pp. 941-981, 2005
• 835: Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  Convexity of trace functionals and Schrödinger operators
  Appeared in: J. Funct. Anal., 234 (2006) pp. 45--69.
• 814: Baro, Michael; Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  A quantum transmitting Schrödinger-Poisson system
  Appeared in: Reviews in Mathematical Physics, 2004, Vol. 16, No. 3, pp. 281-330
• 765: Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  Classical solutions of quasilinear parabolic systems on two-dimensional domains
  Appeared in: NoDEA Nonlinear Differential Equations Appl., 13 (2006) pp. 287-310.
• 737: Baro, Michael; Neidhardt, Hagen
  Dissipative Schrödinger-type operator as a model for generation and recombination
  Appeared in: J. Math. Phys. 44 (2003), no. 6, pp. 2373-2401
• 728: Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  Density and current of a dissipative Schrödinger operator
  Appeared in: Journal of Mathematical Physics, 2002, 43, 11, p 5325-5350
• 719: Baro, Michael; Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  Dissipative Schrödinger-Poisson systems
  Appeared in: J. Math. Phys. 45 (2004), no. 1, pp. 21-43
• 664: Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  On one dimensional dissipative Schrödinger-type operators, their dilations and eigenfunction expansions
  Appeared in: Mathematische Nachrichten, 2003, Vol. 252, pp.51-69
• 650: Kaiser, Hans-Christoph; Neidhardt, Hagen; Rehberg, Joachim
  Macroscopic current induced boundary conditions for Schrödinger-type operators
  Appeared in: Integral Equations and Operator Theory, 2003, 45, pp. 39-63