**Home - Publications
- Teaching
- Interesting Papers
- CV**

- C. Timm and J. Appel,
*Vortex-antivortex interaction in layered superconductors*, Physica B**194-196**, 2407 (1994). - C. Timm and J. Appel,
*Vortex-antivortex interaction in high-T*, Phys. Rev. B_{c}superconductors**49**, 1218 (1994): get paper. - C. Timm and J. Appel,
*Correlation function of finite two-dimensional superconductors*, Phys. Rev. B**49**, 15381 (1994): get paper. - J. Appel, C. Timm, and A. Zabel,
*Effect of Berezinskii-Kosterlitz-Thouless Vortex Fluctuations on the Nuclear Spin Relaxation Rate*, Journal of Low Temperature Physics**99**, 553 (1995). - C. Timm,
*Vortex Fluctuations in Two-Dimensional Superconductors above and below the Berezinskii-Kosterlitz-Thouless Temperature*, Journal of Low Temperature Physics**99**, 561 (1995). - C. Timm,
*Renormalization group approach to layered superconductors*, Phys. Rev. B**52**, 9751 (1995): get paper. - C. Timm,
*Effects of Vortex Fluctuations in High-Temperature Superconductors*(Shaker Verlag, Aachen, 1996, ISBN 3-8265-1652-4). - C. Timm,
*Generalization of the Berezinskii-Kosterlitz-Thouless theory to higher vortex densities*, Physica C**265**, 31 (1996). - C. Timm,
*Magnetic-field fluctuations and the NQR relaxation rate in high-temperature superconductors*, Czechoslovak Journal of Physics**46**, 1789 (1996). - C. Timm,
*Flux noise in high-temperature superconductors*, Phys. Rev. B**55**, 3241 (1997): get paper. - C. Timm, S. M. Girvin, P. Henelius, and A. W. Sandvik,
*1/N expansion for two-dimensional quantum ferromagnets*, Phys. Rev. B**58**, 1464 (1998): get paper. - C. Timm, S. M. Girvin, and H. A. Fertig,
*Skyrmion lattice melting in the quantum Hall system*, Phys. Rev. B**58**, 10634 (1998): get paper. - P. Henelius, C. Timm, A. W. Sandvik, and S. M. Girvin,
*Two-dimensional Quantum Ferromagnet*, in Physical Phenomena at High Magnetic Fields III, edited by Z. Fisk, L. Gorkov, and R. Schrieffer (World Scientific, Singapore, 1999), p. 554. - C. Timm and K. H. Bennemann,
*Charge Stripes in Underdoped Cuprates: Ginzburg-Landau Description*, Journal of Low Temperature Physics**117**, 205 (1999). - F. Schäfer, C. Timm, D. Manske, and K. H. Bennemann,
*Theory for Underdoped High-T*, Journal of Low Temperature Physics_{c}Superconductors: Effects of Phase Fluctuations**117**, 223 (1999). - P. Henelius, A. W. Sandvik, C. Timm, and S. M. Girvin,
*Monte Carlo study of a two-dimensional quantum ferromagnet*, Phys. Rev. B**61**, 364 (2000): get paper. - C. Timm and K. H. Bennemann,
*Doping dependence of the Neel temperature in Mott-Hubbard antiferromagnets: Effect of vortices*, Phys. Rev. Letters**84**, 4994 (2000): get paper. - C. Timm and P. J. Jensen,
*Schwinger boson theory of anisotropic ferromagnetic ultrathin films*, Phys. Rev. B**62**, 5634 (2000): get paper. - D. Fay, J. Appel, C. Timm, and A. Zabel,
*NMR and NQR fluctuation effects in layered superconductors*, Phys. Rev. B**63**, 064509 (2001): get paper. - C. Timm, F. Schäfer, and F. von Oppen,
*Correlated defects, metal-insulator transition, and magnetic order in ferromagnetic semiconductors*, Phys. Rev. Lett.**89**, 137201 (2002): get paper. - C. Timm,
*Liquid antiferromagnets in two dimensions*, Phys. Rev. E**66**, 011703 (2002): get paper. - P. Henelius, P. Fröbrich, P. J. Kuntz, C. Timm, and P. J.
Jensen,
*Quantum Monte Carlo simulation of thin magnetic films*, Phys. Rev. B**66**, 094407 (2002): get paper. - C. Timm, D. Manske, and K. H. Bennemann,
*Phase diagram of underdoped cuprate superconductors: Effect of Cooper-pair phase fluctuations*, Phys. Rev. B**66**, 094515 (2002): get paper. - C. Timm, F. Schäfer, and F. von Oppen,
*Comment on "Effects of disorder on ferromagnetism in diluted magnetic semiconductors"*, Phys. Rev. Lett.**90**, 029701 (2003): get paper. - C. Timm and F. von Oppen,
*The role of defect correlations in ferromagnetic III-V semiconductors*, J. Supercond.: Incorporating Novel Magnetism**16**, 23 (2003). - A. Kesting and C. Timm,
*Topological doping of repulsive Hubbard models*, Physica B**339**, 51 (2003). - C. Timm,
*Disorder effects in diluted magnetic semiconductors*(topical review), J. Phys.: Condensed Matter**15**, R1865 (2003): get paper. - C. Timm and K. H. Bennemann,
*Response theory for time-resolved second-harmonic generation and two-photon photoemission*, J. Phys.: Condensed Matter**16**, 661 (2004): get paper, also in Top Papers 2004 Showcase. - C. Timm, F. von Oppen, and F. Höfling,
*Magnetic susceptibilities of diluted magnetic semiconductors and anomalous Hall-voltage noise*, Phys. Rev. B**69**, 115202 (2004): get paper. - E. M. Hankiewicz, T. Jungwirth, T. Dietl, C. Timm, and J. Sinova,
*Optical Properties of metallic (III,Mn)V ferromagnetic semiconductors in the infrared to visible range*, Phys. Rev. B**70**, 245211 (2004): get paper. - E. M. Hankiewicz, T. Jungwirth, T. Dietl, C. Timm, and J. Sinova,
*Ac conductivity and magneto-optical effects in the metallic (III,Mn)V ferromagnetic semiconductors from the infrared to visible range*, AIP Conf. Proc.**772**, 1365 (2004): get paper. - C. Timm and F. von Oppen,
*Disorder effects in diluted magnetic semiconductors*, Advances of Solid State Physics**44**, 503 (Springer-Verlag, Berlin 2004): get paper. - C. Timm and A. H. MacDonald,
*Anisotropic exchange interactions in III-V diluted magnetic semiconductors*, Phys. Rev. B**71**, 155206 (2005): get paper. - C. Timm, M. E. Raikh, and F. von Oppen,
*Disorder-induced resistive anomaly near ferromagnetic phase transitions*, Phys. Rev. Lett.**94**, 036602 (2005): get paper. - F. Elste and C. Timm,
*Theory for transport through a single magnetic molecule: endohedral N@C*, Phys. Rev. B_{60}**71**, 155403 (2005): get paper. - C. Timm and U. Schollwöck,
*Ground-state phases in antiferromagnetic spin-crossover chains*, Phys. Rev. B**71**, 224414 (2005): get paper. - C. Timm,
*Collective effects in spin-crossover chains with exchange interaction*, Phys. Rev. B**73**, 014423 (2006): get paper. - C. Timm,
*Charge and Magnetization Inhomogeneities in Diluted Magnetic Semiconductors*, Phys. Rev. Lett.**96**, 117201 (2006): get paper. - C. Timm and F. Elste,
*Spin amplification, reading, and writing in transport through anisotropic magnetic molecules*, Phys. Rev. B**73**, 235304 (2006): get paper. - F. Elste and C. Timm,
*Transport through anisotropic magnetic molecules with partially ferromagnetic leads: spin-charge conversion and negative differential conductance*, Phys. Rev. B**73**, 235305 (2006): get paper. - C. Timm,
*Possible magnetic-field-induced voltage and thermopower in diluted magnetic semiconductors*, Phys. Rev. B**74**, 014419 (2006): get paper. - C. Timm,
*Gauge Theory for the Rate Equations: Electrodynamics on a Network*, Phys. Rev. Lett.**98**, 070604 (2007): get paper. - F. Elste and C. Timm,
*Cotunneling and non-equilibrium magnetization in magnetic molecular monolayers*, Phys. Rev. B**75**, 195341 (2007): get paper. - C. Timm,
*Tunneling through magnetic molecules with arbitrary angle between easy axis and magnetic field*, Phys. Rev. B**76**, 014421 (2007): get paper. - M. Borunda, T. S. Nunner, T. Lück, N. A. Sinitsyn, C. Timm, J.
Wunderlich, T. Jungwirth, A. H. MacDonald, and J. Sinova,
*Absence of skew scattering in two-dimensional systems: Testing the origins of the anomalous Hall effect*, Phys. Rev. Lett.**99**, 066604 (2007): get paper. - T. S. Nunner, N. A. Sinitsyn, M. F. Borunda, V. K. Dugaev, A. A. Kovalev,
A. Abanov, C. Timm, T. Jungwirth, J.-I. Inoue, A. H. MacDonald, and J. Sinova,
*Anomalous Hall effect in a two-dimensional electron gas*, Phys. Rev. B**76**, 235312 (2007): get paper. - C. Timm,
*Tunneling through molecules and quantum dots: master-equation approaches*, Phys. Rev. B**77**, 195416 (2008): get paper. - C. Timm and C. J. Pye,
*Reentrant magnetic ordering and percolation in a spin-crossover system*, Phys. Rev. B**77**, 214437 (2008): get paper. - F. Elste, G. Weick, C. Timm, and F. von Oppen,
*Current-induced conformational switching in single-molecule junctions*, Appl. Phys. A**93**, 345 (2008): get paper. - J. E. Grose, E. Tam, C. Timm, M. Scheloske, B. Ulgut, J. J. Parks, H. D.
Abruña, W. Harneit, and D. C. Ralph,
*Tunnelling spectra of individual magnetic endofullerene molecules*, Nature Materials**7**, 884 (2008) and arXiv:0805.2585: get paper. - P. M. R. Brydon and C. Timm,
*Theory of the excitonic spin-density-wave state in iron pnictides*, Phys. Rev. B**79**, 180504(R) (2009): get paper. - C. Timm,
*A new twist in a ferromagnet*, Physics**2**, 35 (2009): get paper. - C. Timm,
*Random transition-rate matrices for the master equation*, Phys. Rev. E**80**, 021140 (2009): get paper. - P. M. R. Brydon and C. Timm,
*Spin excitations in the excitonic spin-density-wave state of the iron pnictides*, Phys. Rev. B**80**, 174401 (2009): get paper. - F. Elste and C. Timm,
*Resonant and Kondo tunneling through molecular magnets*, Phys. Rev. B**81**, 024421 (2010): get paper. - B. H. Wu and C. Timm,
*Noise Spectra of ac-driven quantum dots: Floquet master-equation approach*, Phys. Rev. B**81**, 075309 (2010): get paper. - S. Zhou, D. Bürger, A. Mücklich, C. Baumgart, W. Skorupa,
C. Timm, P. Oesterlin, M. Helm, and H. Schmidt,
*Hysteresis in the magneto-transport of Manganese-doped Germanium: Evidence for carrier-mediated ferromagnetism*, Phys. Rev. B**81**, 165204 (2010): get paper. - A. P. Schnyder, P. M. R. Brydon, D. Manske, and C. Timm,
*Andreev spectroscopy and surface density of states for a three-dimensional time-reversal invariant topological superconductor*, Phys. Rev. B**82**, 184508 (2010): get paper. - L. Li, S. D. Yao, S. Zhou, D. Bürger, O. Roshchupkina, S.
Akhmadaliev, A. W. Rushforth, R. P. Campion, J. Fassbender, M. Helm, B. L.
Gallagher, C. Timm, and H. Schmidt,
*Tailoring the magnetism of GaMnAs films by ion irradiation*, J. Phys. D: Appl. Phys.**44**, 045001 (2011): get paper; preprint, arXiv:1012.1678: get paper. - P. M. R. Brydon, M. Daghofer, C. Timm, and J. van den Brink,
*Theory of magnetism and triplet superconductivity in LiFeAs*, Phys. Rev. B**83**, 060501(R) (2011) (Editors' suggestion): get paper. - N. Roch, R. Vincent, F. Elste, W. Harneit, W. Wernsdorfer, C. Timm, and
F. Balestro,
*Cotunneling through a magnetic single-molecule transistor based on N@C*, Phys. Rev. B_{60}**83**, 081407(R) (2011): get paper, supplemental material. - C. Timm,
*Time-convolutionless master equation for quantum dots: Perturbative expansion to arbitrary order*, Phys. Rev. B**83**, 115416 (2011): get paper. - X. Wang, C. Timm, X. M. Wang, W. K. Chu, J. Y. Lin, H. X. Jiang, and
J. Z. Wu,
*Metastable Giant Moments in Gd-Implanted GaN, Si, and Sapphire*, J. Supercond. and Novel Magn.**24**, 2123 (2011) and arXiv:1103.5322: get paper. - P. M. R. Brydon, M. Daghofer, and C. Timm,
*Magnetic order in orbital models of the iron pnictides*, J. Phys.: Condensed Matter**23**, 246001 (2011), arXiv:1007.1949: get paper. - P. M. R. Brydon, Y. Asano, and C. Timm,
*Spin Josephson effect with a single superconductor*, Phys. Rev. B**83**, 180504(R) (2011) (Editors' suggestion): get paper. - P. M. R. Brydon, A. P. Schnyder, and C. Timm,
*Topologically protected flat zero-energy surface bands in noncentrosymmetric superconductors*, Phys. Rev. B**84**, 020501(R) (2011): get paper. - L. Li, S. D. Yao, O. Roshchupkina, S. Prucnal, S. Akhmadaliev, R. P.
Campion, A. W. Rushforth, J. Fassbender, M. Helm, B. L. Gallagher, C.
Timm, H. Schmidt, and S. Zhou,
*Characterization and local magnetic modification of ion irradiated GaMnAs*, Nuclear Instruments and Methods in Physics Research B**269**, 2469 (2011): get paper. - C. Timm,
*Magnetic III-V Semiconductors*, in:*Handbook of Spin Transport and Magnetism*, edited by E. Tsymbal and I. Žutič (CRC Press, Boca Raton, 2011). - B. Zocher, C. Timm, and P. M. R. Brydon,
*Effect of intraband Coulomb repulsion on the excitonic spin-density wave*, Phys. Rev. B**84**, 144425 (2011): get paper. - P. M. R. Brydon, J. Schmiedt, and C. Timm,
*Microscopically derived Ginzburg-Landau theory for magnetic order in the iron pnictides*, Phys. Rev. B**84**, 214510 (2011): get paper. - B. Bujnowski, C. Timm, and P. M. R. Brydon,
*The Josephson effect between triplet superconductors through a finite ferromagnetic barrier*, J. Phys.: Condensed Matter**24**, 045701 (2012), arXiv:1109.5238: get paper. - A. P. Schnyder, P. M. R. Brydon, and C. Timm,
*Types of topological surface states in nodal noncentrosymmetric superconductors*, Phys. Rev. B**85**, 024522 (2012): get paper. - J. Schmiedt, P. M. R. Brydon, and C. Timm,
*Doping dependence of antiferromagnetism in models of the pnictides*, Phys. Rev. B**85**, 214425 (2012): get paper. - B. H. Wu, J. C. Cao, and C. Timm,
*Polaron effects on the dc- and ac-tunneling characteristics of molecular Josephson junctions*, Phys. Rev. B**86**, 035406 (2012): get paper;*Erratum*, Phys. Rev. B**86**, 039906(E) (2012): get paper. - C. Timm and M. Di Ventra,
*Memristive properties of single-molecule magnets*, Phys. Rev. B**86**, 104427 (2012): get paper. - A. Donabidowicz-Kolkowska and C. Timm,
*Spectroscopy of the transition-rate matrix for molecular junctions: Dynamics in the Franck-Condon regime*, New J. Phys.**14**, 103050 (2012): get paper. - C. Timm,
*Transport through a quantum spin Hall quantum dot*, Phys. Rev. B**86**, 155456 (2012): get paper. - P. M. R. Brydon, C. Timm, and A. P. Schnyder,
*Interface currents in topological superconductor-ferromagnet heterostructures*, New J. Phys.**15**, 045019 (2013), Focus on Majorana Fermions in Condensed Matter: get paper. - M. Breitkreiz, P. M. R. Brydon, and C. Timm,
*Transport anomalies due to anisotropic interband scattering*, Phys. Rev. B**88**, 085103 (2013): get paper. - A. P. Schnyder, C. Timm, and P. M. R. Brydon,
*Edge Currents as a Signature of Flat Bands in Topological Superconductors*, Phys. Rev. Lett.**111**, 077001 (2013): get paper, supplemental material. - C. Timm and M. Di Ventra,
*Molecular neuron based on the Franck-Condon blockade*, Nanotechnology**24**, 384001 (2013) (special issue on synaptic electronics): get paper. - A. Lau and C. Timm,
*Topological surface states in paramagnetic and antiferromagnetic iron pnictides*, Phys. Rev. B**88**, 165402 (2013): get paper. - G. C. Hu, H. Wang, J. F. Ren, S. J. Xie, and C. Timm,
*Spin-charge disparity of polarons in organic ferromagnets*, Organic Electronics**15**, 118 (2014): get paper; also arXiv:1305.6495: get paper. - J. Schmiedt, P. M. R. Brydon, and C. Timm,
*Superconducting pairing in the spin-density-wave phase of iron pnictides*, Phys. Rev. B**89**, 054515 (2014): get paper. - M. Breitkreiz, P. M. R. Brydon, and C. Timm,
*Transport in multiband systems with hot spots on the Fermi surface: Forward-scattering corrections*, Phys. Rev. B**89**, 245106 (2014): get paper. - A. Lau and C. Timm,
*Topological surface states and Andreev bound states in superconducting iron pnictides*, Phys. Rev. B**90**, 024517 (2014): get paper. - R. Biele, C. Timm, and R. D'Agosta,
*Application of a time-convolutionless stochastic Schrödinger equation to energy transport and thermal relaxation*, J. Phys.: Condens. Matter**26**, 395303 (2014): get paper. - M. Breitkreiz, P. M. R. Brydon, and C. Timm,
*Resistive anisotropy due to spin-fluctuation scattering in the nematic phase of iron pnictides*, Phys. Rev. B**90**, 121104(R) (2014): get paper. - P. M. R. Brydon, A. P. Schnyder, and C. Timm,
*Helical spin texture of surface states in topological superconductors*, New J. Phys.**17**, 013016 (2015): get paper. - O. Kashuba and C. Timm,
*Topological Kondo Effect in Transport through a Superconducting Wire with Multiple Majorana End States*, Phys. Rev. Lett.**114**, 116801 (2015): get paper. - C. Timm, S. Rex, and P. M. R. Brydon,
*Surface instability in nodal noncentrosymmetric superconductors*, to be published in Phys. Rev. B**91**, 180503(R) (2015): get paper, supplemental material. - P. Materne, S. Kamusella, R. Sarkar, T. Goltz, J. Spehling, H. Maeter, L.
Harnagea, S. Wurmehl, B. Büchner, H. Luetkens, C. Timm, and H.-H.
Klauss,
*Coexistence of superconductivity and magnetism in*Ca_{1–x}Na_{x}Fe_{2}As_{2 }*– universal suppression of the magnetic order parameter in 122 iron pnictides*, to be published in Phys. Rev. B, arXiv:1505.00962: get paper. - E. Kanzieper, M. Poplavskyi, C. Timm, R. Tribe, and O. Zaboronski,
*What is the probability that a large random matrix has no real eigenvalues?*, to be published in Ann. Appl. Probability, arXiv:1503.07926: get paper.