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Palffy-Muhoray
received his Ph.D. (1977) in Physics from the University of British Columbia.
He joined the LCI staff in 1987.
He is Professor of Chemical Physics and LCI Associate Director for basic
research. His areas of expertise include nonlinear optics, pattern
formation, and nonequilibrium phenomena in liquid crystals.
Dr.
Palffy-Muhoray's Home Page may be found at: http://ppm2002.lci.kent.edu/
Representative
Publications
Books
Dynamics and Defects in Liquid Crystals: A Festschrift for Alfred
Saupe, ed. P.E. Cladis and P. Palffy-Muhoray, Gordon and Breach, 1998.
Spatio-Temporal Patterns in Nonequilibrium Complex Systems, ed. P.E.
Cladis and P. Palffy-Muhoray, Addison Wesley, 1995.
Contributions to Books
P. Palffy-Muhoray, “Nonlinear Optical Properties of Liquid Crystals”,
in Physical Properties of Liquid Crystals, ed. D. Demus, J. Goodby,
G.W. Gray, H.-W. Spiess, V. Vill (Wiley-VCH, Weinheim, 1999)
P. Palffy-Muhoray, "Z-scan Measurements of Optical Nonlinearities
of Liquid Crystals", (invited), in Phase Transitions, ed. A.M.
Figueiredo Neto and P. Toledano, (World Scientific, Singapore, 1998)
P. Palffy-Muhoray, B. Bergersen,
H. Lin, R.B. Meyer and Z. Racz, “Filaments
in Liquid Crystals: Structure and Dynamics”, in Pattern Formation
in Complex Dissipative Systems, ed. S. Kai, World Scientific, 1991.
Journals
P. Palffy-Muhoray, "The Diverse World of Liquid Crystals", Physics
Today, September 2007.
P. Palffy-Muhoray, Xiaoyu Zheng, "Distance of closest approach of
two arbitrary hard ellipses in 2D", Phys.
Rev. E 75, 061709 (2007).
R. Verduzco, N. Scruggs, S. Sprunt, P. Palffy-Muhoray, J. Kornfield,
"Director Dynamics in Liquid Crystal Physical Gels", Soft Matter, 3,
993-1002 (2007).
P. Palffy-Muhoray, W. Cao, M. Moreira, B. Taheri,
A. Munoz, "Photonics and Lasing in Liquid Crystal Materials", Phil.
Trans. R. Soc. A, 364, 2747-61 (2006).
R. Ennis,
L. Malacarne, P. Palffy-Muhoray, M. Shelley, "Nonlocal model for
Nematic Liquid-Crystal Elastomers",
Phys Rev. E 75, 061802- (2006).
I. Smalyukh, B. Senyuk, P. Palffy-Muhoray, O.D.
Lavrentovich, H. Huang, E.C. Gartland, Jr., V.H. Bodnar, T. Kosa,
B. Taheri, "Electric-Field-Induced Nematic-Cholesteric Transition
and Three-Dimensional Director Structures in Homeotropic Cells,"
Phys. Rev. E 72, 061707 (2005).
M. F. Moreira, I.C.S. Carvalho, W. Cao, C. Bailey,
B. Taheri and P. Palffy-Muhoray, "Cholesteric Liquid-Crystal Laser
as an Optic-Fiber Based Temperature Sensor", App. Phys. Lett. 85,
2691-93, (2004)
P. Palffy-Muhoray,
M. Camancho-Lopez., H. Finkelmann and M. Shelley, "Fast Liquid Crystal
Elastomer Swins Into the Dark", Nat. Mat. 3, 307-310 (2004).
N. Abraham and P. Palffy-Muhoray, "A Dunking
Bird of the Second Kind", Am. J. Phys. 72, 782-785 (2004).
P. Palffy-Muhoray,
M. Camacho-Lopez., H. Finkelmann and M. Shelley, “Fast
liquid crystal elastomer swims into the dark”, Nature Materials.
3, 307-310 (2004).
M.F. Moreira, I.C.S. Carvalho, W. Cao, C. Bailey, B. Taheri and
P. Palffy-Muhoray, “Cholesteric liquid-crystal laser as an
optic-fiber based temperature sensor”, App. Phys. Lett. 85,
2691-2693, (2004).
N. Abraham and P. Palffy-Muhoray, “A Dunking Bird of the Second
Kind”, Am. J. Phys. 72, 782-785 (2004).
P. Palffy-Muhoray, R. Meyer, “Liquid Crystal Gels: Bridging
the experiment-theory gap”, Nature Materials (News & Views),
139-140, March (2004).
W. Cao, A. Muñoz, P. Palffy-Muhoray and B. Taheri, “Lasing
in a three-dimensional photonic crystal of the liquid crystal blue
phase II”, Nature Materials, 111-113, Oct., (2002).
S. Bardon, D. Coleman, N.A. Clark, T. Kosa, H. Yuan and P. Palffy-Muhoray, “Three
dimensional dye distribution in photo-oriented liquid crystal alignment
layers”, Europhys. Lett. 58 (1), 67-73, (2002).
P. Palffy-Muhoray, T. Kosa and Weinan E, “Brownian Motors
in the Photoalignment of Liquid Crystals”, Appl. Phys. A 75,
293-300 (2002).
P. Palffy-Muhoray, “The Single Particle Potential in Mean
Field Theory”, Am. J. Phys. 70, 433-437 (2002).
H. Finkelmann, S.T. Kim, A, Munoz, P. Palffy-Muhoray and B. Taheri, “Tunable
Mirrorless Lasing in Cholesteric Liquid Crystalline Elastomers”,
Adv. Mat. 1069-1072, 13, (2001).
P. Fast, L. Kondic, M.J. Shelley and P. Palffy-Muhoray, “Pattern
Formation in Non-Newtonian Hele-Shaw Flow”, Phys. Fluids 13,
1191-1212 (2001).
A. Munoz F., P. Palffy-Muhoray and B. Taheri, “Ultraviolet
lasing in cholesteric liquid crystals”, Opt. Lett. 26, 804-806
(2001).
A. Jakli, T. Kosa, A. Vajda, E. Benkler, I. Janossy, P. Palffy-Muhoray, “Optically
induced periodic structures in smectic-C liquid crystals”,
Phys. Rev. E: 63, 011705-1 – 011705-4 (2001).
T. Kosa and P. Palffy-Muhoray, “Mirage Mirror on the Wall”,
Am. J. Phys. 68, 1120-1122 (2000).
H. Yuan, W. E and P. Palffy-Muhoray, “Analytical solution
of Maxwell’s Equations in lossy and optically active crystals”,
Phys. Rev. E 61, 3264-3266 (2000).
P. Palffy-Muhoray, A. Munoz, B. Taheri and R. Twieg, “Lasing
in Cholesteric Liquid Crystals”, SID 00 Digest, 1170-1173 (2000).
M. Carme Calderer and P. Palffy-Muhoray, "Ericksen's bar and
modeling of the smectic A-Nematic phase transition", SIAM J.
App. Math. 60, 1073-1098 (2000).
H. Yuan and P. Palffy-Muhoray, “Demonstration of a Waveguide-Based
LCD”, SID Digest of Technical Papers, 30, 714-717 (1999).
W. E and P. Palffy-Muhoray, "Dynamics of Filaments during
the Isotropic-Smectic A Phase Transition", J. Nonlin. Sci. 9,
417-437 (1999).
H. Yuan, P. Palffy-Muhoray, “Waveguide based liquid crystal
display”, Mol. Cryst. Liq. Cryst. 331, 281-288 (1999).
A. Reyes and P. Palffy-Muhoray, "Nonlinear Schrodinger Equation
in Nematic Liquid Crystals", Phys. Rev. E 58, 5855-5859 (1998).
P. Palffy-Muhoray, "New Designs in Cholesteric Colour",
Nature (News & Views), 391, 745-747 (1998).
L. Kondic, M.J. Shelley and P. Palffy-Muhoray, "Non-Newtonian
Hele-Shaw flow, and the Saffman-Taylor instability", Phys. Rev.
Lett. 80, 1433-1436 (1998).
L. Bartolo and P. Palffy-Muhoray, “SAM-Net: Connecting Students & Teachers
to Scientific Research through Scientific Communication & Electronic
Networking”, J. Comp. in Math. and Sci. Teaching 17, 133-147
(1998).
P. Palffy-Muhoray and W. E, "Orientational Ratchets and Angular
Momentum Balance in the Janossy Effect", Mol. Cryst. Liq. Cryst.
320, 193-206 (1998).
W. E and P. Palffy-Muhoray, "Domain Size in the Presence of
Random Fields", Phys. Rev. E 57, 135-137 (1998).
W. E and P. Palffy-Muhoray, “Phase Separation in Incompressible
Systems”, Phys. Rev. E. 55, R3844-R3846 (1997).
J. Kelly and P. Palffy-Muhoray, “Normal Modes of a Radial
Nematic Droplet”, Phys. Rev. E. 55, 4378-4381 (1997).
P. Palffy-Muhoray and W. E, “Wavelength Selection in Slowly
Quenched Systems”, Mol. Cryst. Liq. Cryst. 292, 345-349 (1997).
L. Kondic, P. Palffy-Muhoray and M.J. Shelley, “On Models
of Non-Newtonian Hele-Shaw Flow”, Phys. Rev. E. 54, R4536-R4539
(1996).
T. Kosa and P. Palffy-Muhoray, “Optically Aligned Liquid
Crystals: Physics and Applications”, Pure Appl. Opt., 5, 595-602
(1996).
T. Kosa and P. Palffy-Muhoray, “Magnetic Field Induced Deformations
in Nematic Liquid Crystals”, Liq. Cryst. Today, 6, 7-9 (1996).
W. Gibbons, T. Kosa, P. Palffy-Muhoray, P.J. Shannon, S.T. Sun, “Continuous
Gray-Scale Obtained via Polarized Light Alignment of Nematic Liquid
Crystals,” Nature 377, 43-46 (1995).
P. Palffy-Muhoray, and K.D. Singer, “Displays Based on Organic
Thin Films,” Opt. Photonics News (invited) 6, 17-22 (1995).
P. Palffy Muhoray, E.C. Gartland, J.R. Kelly, "A New Configurational
Transition in Inhomogeneous Nematics," Liq. Cryst. 16(4), 713-718
(1994).
J.R. Kelly, P. Palffy Muhoray, "The Optical Response of Polymer
Dispersed Liquid Crystals," Mol. Cryst. Liq. Cryst. 243, 11-29
(1994).
W. Zhao, P. Palffy-Muhoray, "Z-Scan Measurement of ?(3) using
Top-Hat Beams," App. Phys. Lett. 65(6), 673-675 (1994).
B. Bergersen, D. Boal, P. Palffy-Muhoray, "Equilibrium Configuration
of Particles on a Sphere: the Case of Logarithmic Interactions," J.
Phys. A: Math Gen. 2, 2579-2586 (1994).
H. Lin, P. Palffy-Muhoray, "Propagation of TM Modes in a Nonlinear
Liquid Crystal Waveguide," Opt. Lett. 19(7), 436-438 (1994).
Background
image: Smectic A Phase of a Chiral Liquid Crystalline Polyester
Copyright photo courtesy
of Professor L.-C. Chien
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