Key Publications

On the Theory of Light Propagation in Crystalline Dielectrics

M. Dommermuth and N. Schopohl

J. Phys. Commun. 2 , 075012 (2018)

Observation of the motional Stark shift in low magnetic fields

Manuel Kaiser, Jens Grimmel, Lara Torralbo-Campo, Markus Mack, Florian Karlewski, Florian Jessen, Nils Schopohl, and József Fortágh

Phys. Rev. A 96, 043401 (2017)

Spectrum, radial wavefunctions, and hyperfine splittings of the Rydberg states in heavy-metal alkali atoms

A. Sanayei and N. Schopohl

Phys. Rev. A 94, 012509 (2016)

Die Geburt der Quantenphysik

Rudolf P. Huebener und Nils Schopohl

Springer Spektrum, Springer Fachmedien, Wiesbaden (2016)

ISBN 978-3-658-12451-9, ISBN 978-3-658-12452-6 (eBook)

DOI 10.1007/978-3-658-12452-6

Quasiclassical quantum defect theory and the spectrum of highly excited rubidium atoms

A. Sanayei, N. Schopohl, J. Grimmel, M. Mack, F. Karlewski, J. Fortagh

Phys. Rev. A 91, 032509 (2015)

arXiv:1501.07068

Cold Bose atoms around the crossing of quantum waveguides

A. Markowsky, N. Schopohl

Phys. Rev. A 89, 013622 (2014)

arXiv:1309.3205

Groundstate and Collective Modes of a Spin-Polarized Dipolar Bose-Einstein Condensate in a Harmonic Trap

I. Sapina, T. Dahm, N. Schopohl

Phys. Rev. A 82, 053620 (2010)

arXiv:1006.4734v1

Strong surface contribution to the Nonlinear Meissner Effect in d-Wave Superconductors

A. Zare, T. Dahm, N. Schopohl

Phys. Rev. Lett. 104, 237001 (2010)

arXiv:1003.2527v1

Phase diagram of geometric d-wave superconductor Josephson junctions

A. Gumann, N. Schopohl

Phys. Rev. B 79, 144505 (2009)

arXiv:0808.2140v2

Geometric pi Josephson junction: Current-phase relations and critical current

A. Gumann, C. Iniotakis, N. Schopohl

IEEE Transactions on Applied Superconductivity 19, No. 3, 711-714 (2009)

Modification of Born impurity scattering near the surface of d-wave superconductors and influence of external magnetic field

A. Zare, A. Markowsky, T. Dahm, N. Schopohl

Phys. Rev. B 78, 104524 (2008)

arXiv:0807.4453v2

Phase Diagram of the Electron-Doped La2-xCexCuO4 Cuprate Superconductor from Andreev Bound States at Grain Boundary Junctions

M. Wagenknecht, D. Koelle, R. Kleiner, S. Graser, N. Schopohl, B. Chesca, A. Tsukada, S. T. B. Goennenwein and R. Gross

Phys. Rev. Lett. 100, 227001 (2008)

arXiv:0709.2853v1

Geometric pi Josephson junction in d-wave superconducting thin films

A. Gumann, C. Iniotakis, N. Schopohl

Appl. Phys. Lett. 91, 192502 (2007)

arXiv:0708.3898v1

Effect of Surface Andreev Bound States on the Bean-Livingston Barrier in d-wave superconductors

C. Iniotakis, T. Dahm, N. Schopohl

Phys. Rev. Lett 100, 037002 (2008)

arXiv:0705.1819v2

Microscopic Theory of Superconductor-Constriction-Superconductor Josephson Junctions in a Magnetic Field

A. Gumann, T. Dahm, N. Schopohl

Phys. Rev. B 76, 064529 (2007)

arXiv:cond-mat/0703579v2

Two tone response in Superconducting Quantum Interference Filters

P. Caputo, J. Tomes, J. Oppenlaender, Ch. Haeussler, A. Friesch, T. Traeuble, N. Schopohl

IEEE Transactions on Applied Superconductivity 17, No. 2, 722 (2007)

arXiv:cond-mat/0608562v1

Two tone response of radiofrequency signals using the voltage output of a Superconducting Quantum Interference Filter

P. Caputo, J. Tomes, J. Oppenlaender, Ch. Haeussler, A. Friesch, T. Traeuble, N. Schopohl

Journal of Superconductivity and Novel Magnetism 20, 25-30 (2007)

Vortex core shrinkage in a two gap superconductor: application to MgB2

S. Graser, A. Gumann, T. Dahm, N. Schopohl

Physica C 460-462, 564 (2007)

arXiv:cond-mat/0607599v1

Quadratic Mixing of Radio Frequency Signals using Superconducting Quantum Interference Filters

P. Caputo, J. Tomes, J. Oppenlaender, Ch. Haeussler, A. Friesch, T. Traeuble, N. Schopohl

Appl. Phys. Lett. 89, 062507 (2006)

Induced Kramer-Pesch-Effect in a Two Gap Superconductor: Application to MgB2

A. Gumann, S. Graser, T. Dahm, N. Schopohl

Phys. Rev. B 73, 104506 (2006)

arXiv:cond-mat/0511520v1

Local density of states at polygonal boundaries of d-wave superconductors

C. Iniotakis, S. Graser, T. Dahm, and N. Schopohl

Phys. Rev. B 71, 214508 (2005)

arXiv:cond-mat/0502073v1

Superconducting Quantum Interference Filters as Absolute Magnetic Field Sensors

P. Caputo, J. Tomes, J. Oppenländer, Ch. Häussler, A. Friesch, T. Träuble, and N. Schopohl

IEEE Transactions on Applied Superconductivity 15, 1044 (2005)

Superconducting Quantum Interference Filters Operated in Commercial Miniature Cryocoolers

J. Oppenländer, Ch. Häussler, A. Friesch, J. Tomes, P. Caputo, T. Träuble, and N. Schopohl

IEEE Transactions on Applied Superconductivity 15, 936 (2005)

Superconducting Quantum Interference Filters consisting of Josephson Junctions with Unconventional Current-Phase Relation

M. Seifried, Ch. Häussler, J. Oppenländer, and N. Schopohl

IEEE Transactions on Applied Superconductivity 15, 781 (2005)

Andreev bound states in grain-boundary junctions of the electron doped superconductor La2-xCexCuO4-y

B. Chesca, M. Seifried, T. Dahm, N. Schopohl, D. Koelle, R. Kleiner, A. Tsukada

Phys. Rev. B 71, 104504 (2005)

arXiv:cond-mat/0402131v3

Shadow on the wall cast by an Abrikosov vortex

S. Graser, C. Iniotakis, T. Dahm, and N. Schopohl

Phys. Rev. Lett. 93, 247001 (2004)

arXiv:cond-mat/0405006v1

High-performance magnetic field sensor based on superconducting quantum interference filters

P. Caputo, J. Oppenländer, Ch. Häussler, J. Tomes, A. Friesch, T. Träuble, and N. Schopohl

Appl. Phys. Lett. 85, 1389 (2004)

Influence of Fermi surface topology on the quasiparticle spectrum in the vortex state

S. Graser, T. Dahm, and N. Schopohl

Phys. Rev. B 69, 014511 (2004)

arXiv:cond-mat/0309142v1

Fermi surface topology and vortex state in MgB2

T. Dahm, S. Graser, and N. Schopohl

Physica C 408-410, 336 (2004)

arXiv:cond-mat/0304194v1

The oscillation linewidth and noise characteristics of a parallel superconducting quantum interference filter

V. K. Kornev, I. I. Soloviev, J. Oppenländer, Ch. Häussler, and N. Schopohl

Superconducting Science and Technology 17, S406 (2004)

Improved high-Tc superconducting quantum interference filters for sensitive magnetometry

V. Schultze, R. IJsselsteijn, R. Boucher, H.-G. Meyer, J. Oppenländer, Ch. Häussler, and N. Schopohl

Superconducting Science and Technology 16, 1356 (2003)

Symmetriebrechung und Quantenflüssigkeiten-Physik-Nobelpreis für Theorien zu Supraleitung und Supraflüssigkeiten

R.P. Hübener, M. Liu und N.Schopohl

Physik-Journal 2 Nr.12, S.23 (2003)

Wiley-VCH Verlag GmbH&Co. KGaA, Weinheim

Turbulente Quantenflüssigkeiten

N.Schopohl

Physik-Journal 2 Nr.11, S.23 (2003)

Wiley-VCH Verlag GmbH&Co. KGaA, Weinheim

Olli V. Lounasmaa 1930-2002

R.P. Hübener und N. Schopohl

Physik-Journal 2 Nr.10, S.58 (2003)

Wiley-VCH Verlag GmbH&Co. KGaA, Weinheim

Fermi Surface Topology and the Upper Critical Field in Two-Band Superconductors: Application to MgB2

T. Dahm, N. Schopohl

Phys. Rev. Lett. 91, 017001 (2003)

arXiv:cond-mat/0212188v3

Effects of magnetic field on two-dimensional Superconducting Quantum Interference Filters

J. Oppenländer, P. Caputo, Ch. Häussler, T. Träuble, J. Tomes, A. Friesch and N. Schopohl

Applied Physics Letters 83, 969 (2003)

High-Tc Superconducting Quantum Interference Filters for sensitive Magnetometers

V. Schultze, R. IJesselsteijn, H.-G. Meyer, J. Oppenländer, Ch. Häussler, and N.Schopohl

IEEE Transactions on Applied Superconductivity 13, 775 (2003)

Two Dimensional Superconducting Quantum Interference Filters

J. Oppenländer, Ch. Häussler, T. Träuble, P. Caputo, J. Tomes, A. Friesch, and N. Schopohl

IEEE Transactions on Applied Superconductivity 13, 771 (2003)

Spectrum of low energy excitations in the vortex state: comparison of Doppler shift method to a quasiclassical approach

T. Dahm, S. Graser, C. Iniotakis, N. Schopohl

Phys. Rev. B 66, 144515 (2002)

Vortices in Unconventional Superconductors and Superfluids

R.P. Huebener, N. Schopohl, G.E. Volovik (Eds.)

Springer Series in Solid-State Sciences 132 (2002), ISBN 0171-1873

Sigmoid like flux to voltage transfer function of superconducting quantum interference filter circuits

J. Oppenländer, Ch. Häussler, T. Träuble, and N. Schopohl

Physica C 368, 125 (2002)

Highly sensitive magnetometers for absolute magnetic field measurements based on quantum interference filters

J. Oppenländer, Ch. Häussler, T. Träuble, and N. Schopohl

Physica C 368, 119 (2002)

Electromagnetomotive Force Fields in Noninertial Reference Frames and Accelerated Superconducting Quantum Interferometers

U.R. Fischer, Ch. Haeussler, J. Oppenlaender, N. Schopohl

Phys. Rev. B 64, 214509 (2001)

LC-Resonant Voltage Response of Superconducting Quantum Interference Filters

Ch. Häussler, T. Träuble, J. Oppenländer and N. Schopohl

IEEE Trans. Appl. Supercon. 11, 1275-1278 (2001)

Superconducting Multiple Loop Quantum Interferometers

J. Oppenländer, T. Träuble, Ch. Häussler and N. Schopohl

IEEE Trans. Appl. Supercon. 11, 1271-1274 (2001)

Short wavelength spectrum and Hamiltonian stability of vortex rings

Uwe R. Fischer and Nils Schopohl

Phys. Rev. E 64, 016306 (2001)

Hall state quantization in a rotating frame

Uwe R. Fischer and Nils Schopohl

Europhysics Letters 54 (4), 502 (2001)

Nonperiodic Flux to Voltage Conversion of Series Arrays of dc SQUIDs

Ch. Häussler, J. Oppenländer and N. Schopohl

J. Appl. Phys. 89, 1875 (2001)

Non-Φ0-periodic macroscopic quantum interference in 1D parallel Josephson junction arrays with unconventional grating structure

J. Oppenländer, Ch. Häussler and N. Schopohl

Phys. Rev. B 63, 024511 (2001)

Transition Radiation of moving Abrikosov vortices

O.V. Dolgov and N. Schopohl

Phys. Rev. B 61(18), 12389 (2000)

Dynamic electromagnetic response of three-dimensional Josephson junction arrays

J. Oppenländer, Ch. Häussler, N. Schopohl

J. Appl. Phys. 86, 5775 (1999)

Schopohl and Dolgov Reply

N. Schopohl and O.V. Dolgov

Phys. Rev. Lett. 81, 4025 (1998)

On the T-dependence of the magnetic penetration depth in unconventional superconductors at low temperatures: can it be linear?

N. Schopohl and O.V. Dolgov

Phys. Rev. Lett. 80, 4761 (1998)

Transformation of the Eilenberger equations of superconductivity to a scalar Riccati equation

Quasiclassical Methods in Superconductivity and Superfluidity

N. Schopohl

Edited by D. Rainer and J. A. Sauls (p. 88)

arXiv:cond-mat 9804064

Bosonic Heat Bath associated with a Moving Soliton in a Fermionic System

D. Waxman, G. Williams and N. Schopohl

Europhysics Letters 33, 503 (1996)

Quasiparticle spectrum around a vortex line in a d-wave superconductor

N. Schopohl and K. Maki

Phys. Rev. B 52, 490 (1995)

D-Wave Superconductor in High Magnetic Fields

K. Maki, N. Schopohl and H. Won

Physica B 204, 214-221 (1995)

Large U Hubbard Model at Small Doping

D. Förster and N. Schopohl

Physica B 206-207, 166-167 (1995)

Hidden Symmetry of Strongly Correlated Fermions

D. Förster and N. Schopohl

in "The Hubbard Model : Its Physics and Mathematical Physics"

NATO ASI Series B: Physics 343

Plenum Press, New York (1995). ISBN 0-306-45003-8

Scaling laws Jc (H/Hc3(theta)) and intrinsic surface superconductivity in YBa2Cu3O7-delta

J. M. Barbut, D. Bourgault, N. Schopohl, A. Sulpice, R. Tournier

Physica C 235-240, 2995-2996 (1994)

Zero Field First Order Transition in the Yba2Cu3O7 Superconducting State

J. M. Barbut, D. Bourgault, N. Schopohl, A. Sulpice, R. Tournier

Physica C 235-240, 2855-2856 (1994)

Exact map of Kondo impurities onto a semi-infinite chain

D. Förster and N. Schopohl

Phys. Rev. B 48, 993 (1993)

on the Moving A-B Phase Boundary of Superfluid 3He

N. Schopohl and D. Waxman

J. Phys. C4, L639-L646 (1992)

Schwinger Pair Production in the Orbital Dynamics of Superfluid 3He-B

N. Schopohl and G.E. Volovik

Annals of Physics 215, 372-385 (1992)

The Moving A-B Phase Boundary of Superfluid 3He

N. Schopohl and D. Waxman

Physica B 178, 158-159 (1992)

Quasiclassical Theory of the Upper Critical Field Hc2 of High Field Superconductors: Application to Momentum Dependent Scattering

C.T. Rieck, K. Scharnberg and N. Schopohl

J. Low Temp. Phys. 84, 381 (1991)

Quasiclassical Theory of the A-B Phase Boundary of Superfluid He

N. Schopohl and D. Waxman

Physica B 169, 165 (1991)

Scattering of Ballistic Quasiparticles at the A-B Phase Boundary of Superfluid He

N. Schopohl and D. Waxman

Qantum Fluids and Solids 1989 , edited by G.G. Ihas and Yasumasa Takano,

AIP Conference Proceedings 194, 55 (1990)

Scattering and Bound States of Quasiparticles at the A-B Phase Boundary of Superfluid He

N. Schopohl and D. Waxman

Phys. Rev. Lett. 63, 1696 (1989)

Magnetic Properties of Anisotropic Extreme Type-II Superconductors

N. Schopohl and A. Baratoff

Physica C153-155, 689 (1988)

A New Presentation of the Order Parameter in Superfluids with p-Wave Symmetry

G. Eilenberger and N. Schopohl

Europhys. Lett.7, 139 (1988)

Die Landausche Theorie der Fermi Flüssigkeit

N. Schopohl

19. Ferienkurs des Institut fur Festkörperforschung der Kernforschungsanlage Jülich GmbH über " Supraleitung und Verwandte Quantenphänomene"

Jülich (1988)

Hedgehog Structure in Nematic and Magnetic Systems

N. Schopohl and T.J. Sluckin

J. Phys. France 49, 1097 (1988)

Defect Core Structure in Nematic Liquid Crystals

N. Schopohl and T.J. Sluckin

Phys. Rev. Lett. 59, 2582 (1987)

Spatial Dependence of the Order Parameter of Superfluid He at the A-B Phase Boundary

N. Schopohl

Phys. Rev. Lett. 58, 1664 (1987)

Effects of Spin-Orbit Interaction and Crystal Fields on Superconducting p-Wave Pair States and their Collective Excitations in Cubic Systems

H. Monien, K. Scharnberg, L. Tewordt and N. Schopohl

J. Low Temp. Phys. 65, 13 (1986)

Effects of Spin-Orbit Interaction and Crystal Fields on Superconducting p-Wave Pair States and their Collective Excitations in Cubic Systems

H. Monien, K. Scharnberg, L. Tewordt and N. Schopohl

Phys. Rev. B 34, 3487 (1986)

Effect of Anisotropic Scattering on the Upper Critical Field of High Field Superconductors

N. Schopohl and K. Scharnberg

Physica B 135, 482 (1985)

Magnetic Field Dependence of Ultrasound Attenuation and Sound Velocity in 3He-A

N. Schopohl, W. Marquardt and L. Tewordt

J. Low Temp. Phys. 59, 469 (1985)

Magnetic Field Dependence of Zero Sound Attenuation below the Pair Breaking Edge in 3He=B due to J=1 , Jz = ±1 Collective Modes

N. Schopohl and L. Tewordt

J. Low Temp. Phys. 57, 601 (1984)

Magnetic Field Dependence of Zero Sound Attenuation below the Pair Breaking Edge in 3He=B due to J=1 , Jz = ±1 Collective Modes

N. Schopohl and L. Tewordt

Proceedings LT17, Part II (1984)

edited by U. Eckern, A. Schmid, W. Weber and H.Wuhl, Elsevier Science Publishers

Upper Critical Field of High-Field Superconductors

N. Schopohl and K. Scharnberg

Proceedings LT17, Part II (1984)

edited by U. Eckern, A. Schmid, W. Weber and H.Wuhl, Elsevier Science Publishers

Stability, Orientational Effects and Temperature Dependence of Non-Unitary Vortex Structures in Superfluid 3He

T. Passvogel, L. Tewordt and N. Schopohl

J. Low Temp. Phys. 56, 383 (1984)

Effect of Gap Distortion on the Field Splitting of Collective Modes in Superfluid 3He-B

N. Schopohl, M. Warnke and L. Tewordt

Phys. Rev. Lett. 50, 1066 (1983)

Structure of Isolated Vortex Lines in Rotating 3He-A and 3He-B

T. Passvogel, N. Schopohl and L. Tewordt

J. Low Temp. Phys. 50, 509 (1983)

Magnetic Field Dependence of the Leggett Angle, the Susceptibility and the Longitudinal Nuclear Magnetic Resonance of 3He-B

N. Schopohl

J. Low Temp. Phys. 49, 347 (1982)

Coupling of Order Parameter Collective Modes to Spin-Density in 3He-B

N. Schopohl, H. Streckwall and L. Tewordt

J. Low Temp. Phys. 49, 319 (1982)

Order Parameters and Energies of Analytical and Singular Vortex Lines in Rotating 3He-A

T. Passvogel, N. Schopohl, M. Warnke and L. Tewordt

J. Low Temp. Phys. 46, 161 (1982)

Field Splitting of Collective Modes in Superfluid 3He-B and Coupling Strengths to Sound Waves

N. Schopohl and L. Tewordt

Physica B 107, 691 (1981)

Upper Critical Fields in the Presence of Electron-Spin and Spin-Orbit Effects

N. Schopohl and K. Scharnberg

Physica B 107, 293 (1981)

Lande Factors of Collective Mode Multiplets in 3He-B and Coupling Strengths to Sound Waves

N. Schopohl and L. Tewordt

J. Low Temp. Phys. 45, 67 (1981)

Eilenberger Equations for Rotating superfluid 3He and Calculation of the Upper Critical Angular Velocity

N. Schopohl

J. Low Temp. Phys. 41, 409 (1980)

Generalized Ginzburg-Landau Theory for Superfluid 3He and Application to Helical Structures in 3He-A

N. Schopohl and L. Tewordt

J. Low Temp. Phys. 41, 305 (1980)

Anisotropic Gap Distortion due to Superflow and the Depairing Critical Current in Superfluid 3He-B

D. Vollhardt, K. Maki and N. Schopohl

J. Low Temp. Phys. 39, 79 (1980)

Gap Parameters and Collective Modes for 3He-B in the Presence of a Strong Magnetic Field

L. Tewordt and N. Schopohl

J. Low Temp. Phys. 37, 421 (1979)

Order Parameter Collective Modes in 3He-A and their Effect on Nuclear Magnetic Resonance (NMR) and Ultrasound Attenuation

L. Tewordt and N. Schopohl

J. Low Temp. Phys. 34, 489 (1979)

Analysis of Proximity Effects between Spin Singlet and Spin Triplet Superconductors

K. Scharnberg, D. Fay and N. Schopohl

Journal de Physique C 6, 481 (1978)

Effect of Order Parameter Collective Modes on NMR and Ultrasound Attenuation in 3He-A

L. Tewordt and N. Schopohl

Journal de Physique C 6, 6 (1978)

Spin-Fluctuation Theory of Strong Coupling Corrections to the Free Energy in Superfluid 3He

L. Tewordt, D. Fay and N. Schopohl

J. Low Temp. Phys. 30, 177 (1978)

Effect of Dipole Interaction on Collective Modes in 3He-A

L. Tewordt , N. Schopohl and D. Vollhardt

J. Low Temp. Phys. 29, 119 (1977)

Tunneling Density of States and Ultrasound Attenuation in Superconductors with Overlapping Bands

K. Scharnberg and N. Schopohl

Transition Metals 1977

edited by M.J.G. Lee, J.M. Perz and E. Fawcett, Inst. Phys. Conf. Ser. 39, 670 (1978)

Attenuation of Longitudinal Ultrasound in Two Band Superconductors

K. Scharnberg and N. Schopohl

Solid State Commun. 22, 367 (1977)

Tunneling Density of States for the Two Band Model of Superconductivity

N. Schopohl and K. Scharnberg

Solid State Commun. 22, 371 (1977)