Index Name

Helfrich, W.

Similar Names

Helfrich, Wolfgang


Bagordo, G.;   Bock, H.;   Deuling, H.J.;   Harbich, W.;   Heilmeier, G.H.;   Hentschel, M.;   Heppke, Gerd;   Hosemann, R.;   Klösgen, B.;   Krüerke, Daniel;   Kummrow, M.;   Lötzsch, Detlef;   Mutz, M.;   Müller, M.;   Niggemann, G.;   Oh, Chan S.;   Pinnow, H.A.;   Rapp, G.;   Sawade, Hans;   Schadt, M.;   Schmidt, D.;   Servuss, R.-M.;   Servuss, R.M.;   Stocker, W.;   Thimmel, J.;   Winterhalter, M.

Publication Titles

1968: Alignment-inversion walls in nematic liquid crystals in the presence of a magnetic field
1969: Alignment-Inversion Walls in Nematic Liquid Crystals in the Presence of a Magnetic Field.
1969: Capillary flow of cholesteric and smectic liquid crystals
1969: Conduction-induced alignment of nematic liquid crystals: basic model and stability considerations
1969: Molecular theory of flow alignment of nematic liquid crystals
1969: Orientation pattern of domains in nematic p-azoxyanisole
1970: Capillary Viscometry of Cholesteric Liquid Crystals
1970: Deformation of cholesteric liquid crystals with low threshold voltage
1970: Effect of electric fields on the temperature of phase transitions of liquid crystals
1970: Erratum: conduction-induced alignment of nematic liquid crystals: basic model and stability considerations
1970: Orientational oscillations in nematic liquid crystals
1970: Torques in sheared nematic liquid crystals: simple model in terms of the theory of dense fluids
1971: Birefringence of nematogenic liquids caused by electrical conduction
1971: Electrohydrodynamic and dielectric instabilities of cholesteric liquid crystals
1971: Optically active smectic liquid crystal
1971: Simple method to observe the piezoelectricity of liquid crystals
1971: Strength of piezoelectricity in liquid crystals
1971: Voltage-dependent optical activity of a twisted nematic liquid crystal
1972: Dielektrische und krümmungselektrische Effekte nematischer Flüssigkristalle
1972: Flow alignment of weakly ordered nematic liquid crystals
1972: Kerr effect in the isotropic phase of some nematogenic compounds
1972: Liquid-crystalline piezoelectricity; the bending mode of MBBA [N-(p-methoxybenzylidene)-p-butylaniline]
1972: Orienting action of sound on nematic liquid crystals
1973: Electric alignment of liquid crystals
1973: Lipid bilayer spheres: Deformation and birefringence in magnetic fields
1973: Possible chromatographic effect of liquid-crystalline permeation
1974: Eine Hysterese in der Deformation Homoeotroper Nematischer Schichten
1974: Elasticity and hydrodynamics of liquid crystals
1974: Hysteresis in the deformation of nematic liquid crystal layers with homeotropic orientation
1974: Inherent bounds to the elasticity and flexoelectricity of liquid crystals
1974: Polarity-dependent electro-optical effect of nematic liquid crystals
1974: Ripples in tilted bilayers and lyotropic smectics
1974: The size of bilayer vesicles generated by sonication
1975: Macroscopic features. d) Biological Systems: Some theoretical shapes of red blood cells
1976: Applications of liquid crystals
1976: Defect model of the solid-to-smectic B phase transition
1976: Optical studies of lecithin-membrane melting
1978: Defect model of the smectic A-nematic phase transition
1979: Structure of liquid crystals, especially ordered in two dimensions
1980: Direct x-ray study of the molecular tilt in dipalmitoyllecithin bilayers
1980: Three-dimensional classification of liquid crystals in terms of fluidity and defects
1984: The swelling of egg lecithin in water
1986: Size distributions of vesicles: the role of the effective rigidity of membranes
1987: Effect of voltage on pores in membranes
1987: Material properties of smectic layers and the formation of modulated and cubic smectic phases
1989: Hats and saddles in lipid membranes
1989: Mutual adhesion of lecithin membranes at ultralow tensions
1990: Giant membranes of swollen phosphatidylethanolamines and glycolipids
1990: Phases of egg phosphatidylcholine in an abundance of water
1992: First Ferroelectrically Switchable Columnar Liquid Crystal
1994: Lyotropic lamellar phases
1995: The Bending Rigidity of Phosphatidylcholine Bilayers: Dependences on Experimental Method, Sample Cell Sealing and Temperature
1996: Collapse of giant phosphatidylcholine vesicles
1997: Structural Investigations on a Ferroelectrically Switchable Columnar Liquid Crystal
1998: Freiburger Arbeitstagung Flüssigkristalle
1999: The fragmented state of lipid bilayers in water: Discovery of a lower consolute point
2000: Effect of thermal undulations on the bending elasticity and spontaneous curvature of fluid membranes


14th Int. Liq. Cryst. Conf., Pisa, 1992, C
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Appl. Phys. Lett., 17, 531
Appl. Phys. Lett., 18, 127
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Appl. Phys. Lett., 25, 129
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Chem. Phys. Lipids, 36, 39
Chem. Phys. Lipids, 55, 191
Chem. Phys. Lipids, 79, 147
Eur. Phys. J. E, 3, 149
Europhys. News, 7, 1
Freiburger Arbeitstagung Flüssigkristalle, 2, V2
Freiburger Arbeitstagung Flüssigkristalle, 26, P49
Freiburger Arbeitstagung Flüssigkristalle, 27, P66
Freiburger Arbeitstagung Flüssigkristalle, 4, V5
J. Chem. Phys., 50, 100
J. Chem. Phys., 51, 2755
J. Chem. Phys., 51, 4092
J. Chem. Phys., 52, 4318
J. Chem. Phys., 53, 2267
J. Chem. Phys., 55, 839
J. Chem. Phys., 56, 3187
J. Phys. (Paris), 39, 1199
J. Phys. (Paris), 47, 321
J. Phys. (Paris), 48, 291
J. Phys. (Paris), 50, 809
J. Phys. (Paris), 51, 2557
J. Phys. (Paris), Suppl., 36, C1, 327
J. Phys. (Paris), Suppl., 40, C3, 105
J. Phys. II, 5, 413
J. Phys.: Condens. Matter, 6 (Suppl.) A79
Liq. Cryst. Ordered Fluids, 1, 405
Liq. Cryst., 5, 1647
Liq. Cryst.: Proc. Int. Conf., Bangalore, 1980, 7
Mol. Cryst. Liq. Cryst., 14, 289
Mol. Cryst. Liq. Cryst., 17, 355
Mol. Cryst. Liq. Cryst., 21, 187
Mol. Cryst. Liq. Cryst., 26, 1
Phys. Lett. A, 35, 393
Phys. Lett. A, 43, 409
Phys. Lett. A, 50, 115
Phys. Lett. A, 57, 294
Phys. Lett. A, 58, 457
Phys. Rev. A, 36, 5874
Phys. Rev. Lett., 21, 1518
Phys. Rev. Lett., 22, 1342
Phys. Rev. Lett., 23, 372
Phys. Rev. Lett., 24, 201
Phys. Rev. Lett., 27, 561
Phys. Rev. Lett., 29, 1583
Pramana, 53, 13
Z. Naturforsch. A, 26a, 833
Z. Naturforsch. A, 27a, 277
Z. Naturforsch. A, 28a, 1968
Z. Naturforsch. A, 35a, 659
Z. Naturforsch. C, 29c, 692

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