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Anzahl der Einträge in dieser Kategorie: 69.

2015

Schoepe, Wilfried, Hänninen, R. und 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), S. 383-391. Volltext nicht vorhanden.

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, S. 117-119. Volltext nicht vorhanden.

2013

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. Volltext nicht vorhanden.

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), S. 170-176. Volltext nicht vorhanden.

2011

Hänninen, R. und 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), S. 1-4. Volltext nicht vorhanden.

2010

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), S. 526-535. Volltext nicht vorhanden.

Hänninen, R. und Schoepe, Wilfried (2010) Universal Onset of Quantum Turbulence in Oscillating Flows and Crossover to Steady Flows. Journal of low temperature physics 158 (3-4), S. 410-414. Volltext nicht vorhanden.

2008

Hänninen, R. und Schoepe, Wilfried (2008) Frequency Dependence of the Critical Velocity of a Sphere Oscillating in Superfluid Helium-4. arXiv. Volltext nicht vorhanden.

Schoepe, Wilfried (2008) On the Transition to Turbulence of Oscillatory Flow of Liquid Helium-4. Journal of low temperature physics 150 (5-6), S. 724-729. Volltext nicht vorhanden.

Hänninen, R. und Schoepe, Wilfried (2008) Universal Critical Velocity for the Onset of Turbulence of Oscillatory Superfluid Flow. Journal of low temperature physics 153 (5-6), S. 189-196. Volltext nicht vorhanden.

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. und Vinen, W. F. (2008) Vibrating Quartz Fork – A Tool for Cryogenic Helium Research. Journal of low temperature physics 150 (3-4), S. 525-535. Volltext nicht vorhanden.

2007

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. und Zmeev, D. E. (2007) Quartz Tuning Fork: Thermometer, Pressure- and Viscometer for Helium Liquids. Journal of low temperature physics 146 (5-6), S. 537-562. Volltext nicht vorhanden.

2004

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

Niemetz, M. und Schoepe, Wilfried (2004) Stability of Laminar and Turbulent Flow of Superfluid ⁴He at mK Temperatures around an Oscillating Microsphere. Journal of low temperature physics 135 (5-6), S. 447-469. Volltext nicht vorhanden.

2003

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), S. 195-197. Volltext nicht vorhanden.

2002

Niemetz, M., Kerscher, H. und Schoepe, Wilfried (2002) Intermittent switching between potential flow and turbulence in superfluid helium at mK temperatures. J. Low Temp. Phys. 126, S. 287. Volltext nicht vorhanden.

Niemetz, M. und Schoepe, Wilfried (2002) On the statistical analysis of single vortex nucleation events in superflud 4He. J. Low Temp. Phys. 126, S. 805. Volltext nicht vorhanden.

2001

Niemetz, M., Schoepe, Wilfried und Krusius, M. (2001) Comment on ‘‘Repetitive Single Vortex-Loop Creation by a Vibrating Wire in Superfluid 3He-B’’. Phys. Rev. Lett. 87, 059601. Volltext nicht vorhanden.

Niemetz, M., Schoepe, Wilfried und 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, S. 87-94. ISBN 978-3-540-45542-4. Volltext nicht vorhanden.

Rosenbaum, R., Schoepe, Wilfried und Castro, H. (2001) Numerical calculation for large positive magnetoresistance ratios I insulating materials. Physica B Condensed Matter 294-295, S. 486. Volltext nicht vorhanden.

Niemetz, M., Kerscher, H. und Schoepe, Wilfried (2001) Viscosity and mean free path of very diluted solutions of 3He in 4He. J. Low Temp. Phys. 124, S. 163. Volltext nicht vorhanden.

2000

Grosser, R., Höcherl, P., Martin, A., Niemetz, M. und Schoepe, Wilfried (2000) Damping of a levitating magnetic microsphere by vortex motion in YBCO. Physica B Condensed Matter 284-288, 829f. Volltext nicht vorhanden.

Niemetz, M., Kerscher, H. und Schoepe, Wilfried (2000) Intermittent switching between potential flow and turbulence in superfluid helium at mK temperatures. arxiv.org. Volltext nicht vorhanden.

Niemetz, M., Schoepe, Wilfried, Simola, J. T. und Tuoriniemi, J. T. (2000) The oscillating magnetic microsphere: a tool for investigating vorticity in superconductors and superfluids. Physica B Condensed Matter 280, S. 559. Volltext nicht vorhanden.

1999

Grosser, R., Höcherl, P., Martin, A., Niemetz, M. und 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, S. 723. Volltext nicht vorhanden.

1997

Grosser, R., Martin, A., Niemetz, M., Pechen, E. V. und Schoepe, Wilfried (1997) Detecting flux creep in superconducting YBCO thin films via damping of the oscillations of a levitating permanent magnet. arxiv.org. Volltext nicht vorhanden.

Grosser, R., Martin, A., Kus, O., Pechen, E. V. und Schoepe, Wilfried (1997) Levitation of a small permanent magnet between superconducting YBa2Cu3O thin films. Int. Phys. Conf. Ser. 158, S. 1643. Volltext nicht vorhanden.

1996

Jäger, J. und Schoepe, Wilfried (1996) Turbulent and ballistic drag of superfluid helium at low temperatures on an oscillating microsphere. Czechoslovak Journal of Physics 46 (1 Supp), S. 79. Volltext nicht vorhanden.

1995

Grosser, R., Jäger, J., Betz, J. und Schoepe, Wilfried (1995) Damping of the oscillations of a permanent magnet levitating between high-Tc superconductors. Appl. Phys. Lett. 67, S. 2400. Volltext nicht vorhanden.

Jäger, J., Schuderer, B. und Schoepe, Wilfried (1995) Translational oscillations of a microsphere in superfluid helium. Physica B Condensed Matter 210, S. 201. Volltext nicht vorhanden.

Jäger, J., Schuderer, B. und Schoepe, Wilfried (1995) Turbulent and Laminar Drag of Superfluid Helium on an Oscillating Microsphere. Phys. Rev. Lett. 74, S. 566. Volltext nicht vorhanden.

1994

Dötzer, R., Friedland, K. J., Hey, R., Kostial, H., Miehling, H. und 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), S. 1332-1339.

1993

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

Dötzer, R. und Schoepe, Wilfried (1993) Thermal impedance between a thick-film resistor liquid helium below 1 K. Cryogenics 33 (10), S. 936-937. Volltext nicht vorhanden.

1992

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

Gloos, K., Schoepe, Wilfried, Simola, J. T. und Tuoriniemi, J. T. (1992) Microsphere viscometers for low temperature applications. Cryogenics 32 (9), S. 791-798. Volltext nicht vorhanden.

Eizinger, P., Schoepe, Wilfried, Gloos, K., Simola, J. T. und 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), S. 340-346.

1990

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

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

1989

Schoepe, Wilfried, Uhlig, K. und Neumaier, K. (1989) Carbon and germanium resistors in the variable-range hopping regime for thermometry below 1 K. Cryogenics 29 (4), S. 467-468. Volltext nicht vorhanden.

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

1988

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), S. 455-463.

1986

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

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

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

1985

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

1984

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

1983

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

1982

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

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

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

1981

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

1980

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

1979

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

1978

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

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

1976

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

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

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

1975

Schoepe, Wilfried und 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), S. 3973-3974.

1973

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

1972

Rayfield, G. W. und Schoepe, Wilfried (1972) Tunneling from Electronic Bubble States through Liquid Vapor Interface of Helium. Bulletin of the American Physical Society 17 (1), S. 60. Volltext nicht vorhanden.

1971

Schoepe, Wilfried und Rayfield, G. W. (1971) Thermal Emission of Electrons from Liquid Helium. Zeitschrift für Naturforschung A, A journal of physical sciences 26 (9), S. 1392-1393. Volltext nicht vorhanden.

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

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

1970

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

1969

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

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

1967

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

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