Bibliography of the Universität Regensburg

Schoepe, Wilfried (2022) Vortex Shedding from a Microsphere Oscillating in Superfluid ⁴He at mK Temperatures and from a Laser Beam Moving in a Bose–Einstein Condensate. Journal of Low Temperature Physics.

Schoepe, Wilfried (2018) Addendum to "On the Transition from Potential Flow to Turbulence..." by M.Niemetz, R. Hänninen, and W. Schoepe, J.Low Temp. Physics 187, 195 (2017). Journal of Low Temperature Physics 192, p. 145.

Schoepe, Wilfried (2018) Note on the superfluid Reynolds number for turbulent flow of superfluid He-4 around an oscillating sphere. arXiv:1801.00593.pdf.

Niemetz, Michael , Hänninen, Risto and Schoepe, Wilfried (2017) On the Transition from Potential Flow to Turbulence Around a Microsphere Oscillating in Superfluid Helium-4. Journal of Low Temperature Physics 187 (3), pp. 195-220. Fulltext not available.

Schoepe, Wilfried (2016) Vortex Shedding from an Object Moving in Superfluid He-4 at mK Temperatures and in a Bose-Einstein Condensate. J. Low Temp. Phys. 186, pp. 121-126. Fulltext not available.

Schoepe, Wilfried, Hänninen, R. and Niemetz, M. (2015) Breakdown of Potential Flow to Turbulence Around a Sphere Oscillating in Superfluid He-4 Above the Critical Velocity. Journal of low temperature physics 178 (5-6), pp. 383-391. Fulltext not available.

Schoepe, W. (2015) Superfluid Reynolds number and the transition from potential flow to turbulence in superfluid 4He at millikelvin temperatures. JETP Letters 102 (2), pp. 105-107. Fulltext not available.

Schoepe, Wilfried (2015) The superfluid Reynolds number and the transition from potential flow to turbulence in superfluid He-4 at mK temperatures. Pis'ma v ZhETF 102, pp. 117-119. Fulltext not available.

Schoepe, Wilfried (2013) Shedding of Vortex Rings from an Oscillating Sphere in Superfluid ⁴He below 0.5 K – The Origin of the Turbulent Drag Force. arXiv. Fulltext not available.

Schoepe, Wilfried (2013) Shedding of Vortex Rings from an Oscillating Sphere in Superfluid⁴He below 0.5 K. Journal of low temperature physics 173 (3-4), pp. 170-176. Fulltext not available.

Hänninen, R. and Schoepe, Wilfried (2011) Dynamical Scaling of the Critical Velocity for the Onset of Turbulence in Oscillatory Superflows. Journal of low temperature physics 164 (1-2), pp. 1-4. Fulltext not available.

Schoepe, Wilfried (2010) Statistics of Intermittent Switching between Potential Flow and Turbulence around an Oscillating Sphere in Superfluid ⁴He below 0.5 K. Journal of low temperature physics 161 (5-6), pp. 526-535. Fulltext not available.

Hänninen, R. and Schoepe, Wilfried (2008) Frequency Dependence of the Critical Velocity of a Sphere Oscillating in Superfluid Helium-4. arXiv. Fulltext not available.

Schoepe, Wilfried (2008) On the Transition to Turbulence of Oscillatory Flow of Liquid Helium-4. Journal of low temperature physics 150 (5-6), pp. 724-729. Fulltext not available.

Hänninen, R. and Schoepe, Wilfried (2008) Universal Critical Velocity for the Onset of Turbulence of Oscillatory Superfluid Flow. Journal of low temperature physics 153 (5-6), pp. 189-196. Fulltext not available.

Blazkova, M., Clovecko, M., Eltsov, V. B., Gazo, E., de Graaf, R., Hosio, J. J., Krusius, M., Schmoranzer, D., Schoepe, Wilfried, Skrbek, L., Skyba, P., Solntsev, R. E. and Vinen, W. F. (2008) Vibrating Quartz Fork – A Tool for Cryogenic Helium Research. Journal of low temperature physics 150 (3-4), pp. 525-535. Fulltext not available.

Blaauwgeers, R., Blazkova, M., Clovecko, M., Eltsov, V. B. , de Graaf, R., Hosio, J., Krusius, M., Schmoranzer, D. , Schoepe, Wilfried, Skrbek, L. , Skyba, P., Solntsev, R. E. and Zmeev, D. E. (2007) Quartz Tuning Fork: Thermometer, Pressure- and Viscometer for Helium Liquids. Journal of low temperature physics 146 (5-6), pp. 537-562. Fulltext not available.

Schoepe, Wilfried (2004) Fluctuations and Stability of Superfluid Turbulence at mK Temperatures. Physical Review Letters (PRL) 92, 095301.

Schoepe, Wilfried (2003) Vortex nucleation, transition to turbulence, and caviation: ‚system failure’ experiments in liquid helium and extreme value statistics. Physica B: Condensed Matter 329-333 (1), pp. 195-197. Fulltext not available.

Niemetz, M., Kerscher, H. and Schoepe, Wilfried (2002) Intermittent switching between potential flow and turbulence in superfluid helium at mK temperatures. J. Low Temp. Phys. 126, p. 287. Fulltext not available.

Niemetz, M. and Schoepe, Wilfried (2002) On the statistical analysis of single vortex nucleation events in superflud 4He. J. Low Temp. Phys. 126, p. 805. Fulltext not available.

Niemetz, M., Schoepe, Wilfried and Krusius, M. (2001) Comment on ‘‘Repetitive Single Vortex-Loop Creation by a Vibrating Wire in Superfluid 3He-B’’. Phys. Rev. Lett. 87, 059601. Fulltext not available.

Niemetz, M., Schoepe, Wilfried and Kerscher, H. (2001) Intermittent switching between turbulent and potential flow around a sphere in HeII at mK temperatures. In: Quantized Vortex Dynamics and Superfluid Turbulence. Lecture Notes in Physics, 571. Springer, Berlin, pp. 87-94. ISBN 978-3-540-45542-4. Fulltext not available.

Rosenbaum, R., Schoepe, Wilfried and Castro, H. (2001) Numerical calculation for large positive magnetoresistance ratios I insulating materials. Physica B Condensed Matter 294-295, p. 486. Fulltext not available.

Niemetz, M., Kerscher, H. and Schoepe, Wilfried (2001) Viscosity and mean free path of very diluted solutions of 3He in 4He. J. Low Temp. Phys. 124, p. 163. Fulltext not available.

Grosser, R., Höcherl, P., Martin, A., Niemetz, M. and Schoepe, Wilfried (2000) Damping of a levitating magnetic microsphere by vortex motion in YBCO. Physica B Condensed Matter 284-288, 829f. Fulltext not available.

Niemetz, M., Kerscher, H. and Schoepe, Wilfried (2000) Intermittent switching between potential flow and turbulence in superfluid helium at mK temperatures. arxiv.org. Fulltext not available.

Niemetz, M., Schoepe, Wilfried, Simola, J. T. and Tuoriniemi, J. T. (2000) The oscillating magnetic microsphere: a tool for investigating vorticity in superconductors and superfluids. Physica B Condensed Matter 280, p. 559. Fulltext not available.

Grosser, R., Höcherl, P., Martin, A., Niemetz, M. and Schoepe, Wilfried (1999) Vortex motion in superconducting YBa2Cu3O inferred from the damping of the oscillations of a levitating magnetic microsphere. J. Low Temp. Phys. 119, p. 723. Fulltext not available.

Grosser, R., Martin, A., Niemetz, M., Pechen, E. V. and Schoepe, Wilfried (1997) Detecting flux creep in superconducting YBCO thin films via damping of the oscillations of a levitating permanent magnet. arxiv.org. Fulltext not available.

Grosser, R., Martin, A., Kus, O., Pechen, E. V. and Schoepe, Wilfried (1997) Levitation of a small permanent magnet between superconducting YBa2Cu3O thin films. Int. Phys. Conf. Ser. 158, p. 1643. Fulltext not available.

Jäger, J. and Schoepe, Wilfried (1996) Turbulent and ballistic drag of superfluid helium at low temperatures on an oscillating microsphere. Czechoslovak Journal of Physics 46 (1 Supp), p. 79. Fulltext not available.

Grosser, R., Jäger, J., Betz, J. and Schoepe, Wilfried (1995) Damping of the oscillations of a permanent magnet levitating between high-Tc superconductors. Appl. Phys. Lett. 67, p. 2400. Fulltext not available.

Jäger, J., Schuderer, B. and Schoepe, Wilfried (1995) Translational oscillations of a microsphere in superfluid helium. Physica B Condensed Matter 210, p. 201. Fulltext not available.

Jäger, J., Schuderer, B. and Schoepe, Wilfried (1995) Turbulent and Laminar Drag of Superfluid Helium on an Oscillating Microsphere. Phys. Rev. Lett. 74, p. 566. Fulltext not available.

Dötzer, R., Friedland, K. J., Hey, R., Kostial, H., Miehling, H. and Schoepe, Wilfried (1994) Low-temperature electronic transport measurements on a gated delta -doped GaAs sample: magnetoresistance, quantum Hall effect and conductivity fluctuations. Semiconductor Science and Technology 9 (7), pp. 1332-1339.

Barowski, H., Sattler, K. M. and Schoepe, Wilfried (1993) Static and dynamic forces on a permanent magnet levitating between superconducting surfaces. Journal of low temperature physics 93 (1-2), pp. 85-100.

Dötzer, R. and Schoepe, Wilfried (1993) Thermal impedance between a thick-film resistor liquid helium below 1 K. Cryogenics 33 (10), pp. 936-937. Fulltext not available.

Raikh, M. E., Czingon, J., Ye, Qiu-yi, Koch, F., Schoepe, Wilfried and Ploog, K. (1992) Mechanisms of magnetoresistance in variable-range-hopping transport for two-dimensional electron systems. Physical Review B (PRB) 45 (11), pp. 6015-6022.

Gloos, K., Schoepe, Wilfried, Simola, J. T. and Tuoriniemi, J. T. (1992) Microsphere viscometers for low temperature applications. Cryogenics 32 (9), pp. 791-798. Fulltext not available.

Eizinger, P., Schoepe, Wilfried, Gloos, K., Simola, J. T. and Tuoriniemi, J. T. (1992) Vibrations of a magnetic microsphere levitated above a superconductor: a high-Q oscillator for studies of vorticity in superconductors and superfluids. Physica B: Condensed Matter 178 (1-4), pp. 340-346.

Schoepe, Wilfried (1990) Conduction mechanism in granular Ru02-based thick-film resistors. Physica B: Condensed Matter 165-16, pp. 299-300.

Gloos, K., Koivuniemi, J. H., Schoepe, Wilfried, Simola, J. T. and Tuoriniemi, J. T. (1990) Viscometer utilizing a floating charged magnetic particle. Physica B: Condensed Matter 165, p, pp. 119-120.

Schoepe, Wilfried, Uhlig, K. and Neumaier, K. (1989) Carbon and germanium resistors in the variable-range hopping regime for thermometry below 1 K. Cryogenics 29 (4), pp. 467-468. Fulltext not available.

Schimmel, T., Denninger, G., Riess, W., Voit, J., Schwoerer, M., Schoepe, Wilfried and Naarmann, H. (1989) High-θ polyacetylene: DC conductivity between 14 mK and 300 K. Synthetic Metals 28 (3), D11-D18.

Schoepe, Wilfried (1988) Variable-range hopping conduction in doped germanium at very low temperatures and high magnetic fields. Zeitschrift für Physik B, Condensed matter 71 (4), pp. 455-463.

Dorozhkin, S. I., Lell, F. and Schoepe, Wilfried (1986) Energy relaxation of hot electrons and inelastic collision time in thin metal films at low temperatures. Solid State Communications 60 (3), pp. 245-248.

Simola, J. T., Nummila, K. K., Hirai, A., Korhonen, J. S., Schoepe, Wilfried and Skrbek, L. (1986) Focusing of Negative Ions by Vortices in Rotating 3He-A. Physical Review Letters: Phys. Rev. Lett. 57 (15), pp. 1923-1926.

Chaabane, H., Ettlinger, E. and Schoepe, Wilfried (1986) Non-ohmic conduction in doped polyacetylene at low temperatures. Zeitschrift für Physik B, Condensed matter 64 (1), pp. 19-23.

Ettlinger, E., Ose, W. and Schoepe, Wilfried (1985) Magnetoresistance of Metallic Polyacetylene: Variable Range Hopping in a Magnetic Field. Molecular Crystals and Liquid Crystals 117 (1-4), pp. 173-176.

Ettlinger, E., Schoepe, Wilfried, Monkenbusch, M. and Wieners, G. (1984) Magnetoresistance of iodine-doped polyacetylene at low temperatures. Solid State Communications 49 (2), pp. 107-110.

Eska, G., Neumaier, K., Schoepe, Wilfried, Uhlig, K. and Wiedemann, W. (1983) Hydrodynamic sound experiments in normal and superfluid 3He. Physical Review B (PRB) 27 (9), pp. 5534-5548.

Eska, G., Neumaier, K., Schoepe, Wilfried, Uhlig, K. and Wiedemann, W. (1982) Magnetic relaxation of 3He-B after a large tipping pulse. Physics Letters, A 87 (6), pp. 311-313.

Hoffmann, H., Hofmann, F. and Schoepe, Wilfried (1982) Magnetoresistance and non-Ohmic conductivity of thin platinum films at low temperatures. Physical Review B (PRB) 25 (8), pp. 5563-5565.

Fomin, I. A., Schertler, R. and Schoepe, Wilfried (1982) The periodic motions of the magnetization in superfluid 3He B. Physics Letters, A 92 (8), pp. 408-410.

Eska, G., Neumaier, K., Uhlig, K., Wiedemann, W., Schoepe, Wilfried and Wölfle, P. (1981) Propagation of first sound in liquid 3He. Physica B C 108 (1-3), pp. 1153-1154.

Eska, G., Neumaier, K., Schoepe, Wilfried, Uhlig, K., Wiedemann, W. and Wölfle, P. (1980) First-Sound Attenuation and Viscosity of Superfluid 3He-B. Physical Review Letters: Phys. Rev. Lett. 44 (20), pp. 1337-1340.

Engelhardt, M., Weber, D. and Schoepe, Wilfried (1979) Lifetime of electrons on the liquid surface of superfluid 4He. Physics Letters, A 72 (2), pp. 133-135.

Kokko, J., Paalanen, M. A., Schoepe, Wilfried and Takano, Y. (1978) Positive ion mobility in normal and superfluid 3He. Journal of low temperature physics 33 (1-2), pp. 69-78.

Ahonen, A. I., Kokko, J., Paalanen, M. A., Richardson, R. C., Schoepe, Wilfried and Takano, Y. (1978) Positive ion mobility in normal and superfluid 3He. Journal of low temperature physics 30 (1-2), pp. 205-228.

Ahonen, A. I., Kodama, T., Krusius, M., Paalanen, M. A., Richardson, R. C., Schoepe, Wilfried and Takano, Y. (1976) Boundary magnetism in liquid 3He at very low temperatures. Journal of physics C, Solid state physics 9 (9), pp. 1665-1672.

Ahonen, A. I., Kokko, J., Lounasmaa, O. V., Paalanen, M. A., Richardson, R. C., Schoepe, Wilfried and Takano, Y. (1976) Mobility of Negative Ions in Superfluid 3He. Physical Review Letters: Phys. Rev. Lett. 37 (9), pp. 511-515.

Hammer, H., Schoepe, Wilfried and Weber, D. (1976) Note on a bubble model for excess electrons in liquid hydrocarbons. The Journal of Chemical Physics 64 (3), pp. 1253-1254.

Schoepe, Wilfried and Wagner, F. (1975) Inhibition of tunneling from electronic bubble states in liquid helium into the vapor phase at high vapor densities. Physical Review B (PRB) 12 (9), pp. 3973-3974.

Schoepe, Wilfried and Rayfield, G. W. (1973) Tunneling from Electronic Bubble States in Liquid Helium through the Liquid-Vapor Interface. Physical Review A (PRB) 7 (6), pp. 2111-2121.

Rayfield, G. W. and Schoepe, Wilfried (1972) Tunneling from Electronic Bubble States through Liquid Vapor Interface of Helium. Bulletin of the American Physical Society 17 (1), p. 60. Fulltext not available.

Schoepe, Wilfried and Rayfield, G. W. (1971) Thermal Emission of Electrons from Liquid Helium. Zeitschrift für Naturforschung A, A journal of physical sciences 26 (9), pp. 1392-1393. Fulltext not available.

Rayfield, G. W. and Schoepe, Wilfried (1971) Trapping and escape of negative ions from the surface of liquid 4He. Physics Letters, A 34 (2), pp. 133-134.

Rayfield, G. W. and Schoepe, Wilfried (1971) Tunneling from electronic bubble states through the liquid-vapor interface of He2. Physics Letters, A 37 (5), pp. 417-418.

Schoepe, Wilfried and Probst, C. (1970) Evidence for a superfluid-induced surface barrier for electrons in liquid helium. Physics Letters, A 31 (9), pp. 490-491.

Schoepe, Wilfried and Dransfeld, K. (1969) Extraction of electrons from quantized vortex lines. Physics Letters, A 29 (4), pp. 165-166.

Stauffer, D., Pobell, F. and Schoepe, Wilfried (1969) Note on the vortex density in rotating helium II. Physics Letters, A 26 (10), pp. 465-466.

Pobell, F., Schoepe, Wilfried and Veith, W. (1967) The λ-point, entropy and density of rotating He2. Physics Letters, A 125 (3), pp. 209-210.