P. J. Collings, Liquid Crystals: Nature's Delicate Phase of Matter, Princeton University Press,
First Edition, 1990, Second Edition, 2002 (Selected by Choice Magazine as an Outstanding
Academic Book).
P. J. Collings and J. S. Patel, eds., Handbook of Liquid Crystal Research, Oxford University
Press, 1997.
P. J. Collings and M. Hird, Introduction to Liquid Crystals: Chemistry and Physics, Taylor and
Francis, 1997.
J. Goodby, P. Collings, H. Gleeson, T. Kato, P. Raynes, C. Tschierske, eds., Handbook of
Liquid Crystals (8 volumes), Wiley-VCH, 2014.
P. J. Collings and J. W. Goodby, Introduction to Liquid Crystals: Chemistry and Physics, Taylor and Francis, Second Edition, 2019.
Book Chapters
P. J. Collings, “Liquid Crystalline Materials,” Encyclopedia of Chemical Technology, 4th
Edition, Volume 15, Page 372, John Wiley & Sons, Inc., 1995.
P. J. Collings, “Phase Structures and Transitions in Thermotropic Liquid Crystals,” in P. J.
Collings and J. S. Patel, eds., Handbook of Liquid Crystal Research, Oxford University Press,
1997.
P. J. Collings, “Liquid Crystalline Materials,” Concise Encyclopedia of Chemical Technology,
4th Edition, Page 1203, John Wiley & Sons, Inc., 1999.
P. J. Collings, “Liquid Crystalline Materials,” Concise Encyclopedia of Chemical Technology,
5th Edition, Volume 2, Page 48, John Wiley & Sons, Inc., 2007.
P. J. Collings, “The Structures of the Blue Phases,” in J. Goodby, P. Collings, H. Gleeson, T.
Kato, P. Raynes, C. Tschierske, eds., Handbook of Liquid Crystals, Wiley-VCH (2014)
P. J. Collings, “High Chirality Smectic Mesophases,” in J. Goodby, P. Collings, H. Gleeson, T.
Kato, P. Raynes, C. Tschierske, eds., Handbook of Liquid Crystals, Wiley-VCH (2014)
Journal Articles
P. J. Collings and J. E. Gordon, "An Undergraduate Experiment Demonstrating Flux
Quantization and Superconductivity," American Journal of Physics, 37, 293 (1969).
P. J. Collings, S. I Goss, and J. R. McColl, "Methods to Measure the Orientational Order in
Cholesteric Liquid Crystals," Physical Review A, 11, 684 (1975).
P. J. Collings, Book Review of The Fast Fourier Transform by E. Oran Brigham, American
Journal of Physics, 43, 200 (1975).
P. J. Collings, T. J. McKee, and J. R. McColl, "Nuclear Magnetic Resonance Spectroscopy in
Cholesteric Liquid Crystals I: Orientational Order Parameter Measurements," Journal of
Chemical Physics, 65, 3520 (1976).
T. J. McKee, P. J. Collings, and J. R. McColl, "A Simple Technique for Encapsulating NMR
Coils in Teflon PTFE," Journal of Physics E: Scientific Instruments,9, 811 (1976).
P. J. Collings, Reviews of American Scientist articles for The Physics Teacher, 15, 366, 510; 16, 50, 238, 398, 399, 414, 508; 17, 62, 134, 322, 390, 468, 540; 18, 156, 469, 538; 19,
262.
P. J. Collings, T. B. Greenslade, F. Miller, and A. J. Owens, Film Review of Skylab Films by
Thomas Campbell and Robert Fuller, The Physics Teacher, 16, 497 (1978).
P. J. Collings and J. R. McColl, "Nuclear Magnetic Resonance Spectroscopy in Cholesteric
Liquid Crystals II: The Blue Phase," Journal of Chemical Physics, 69, 3371 (1978).
P. J. Collings and J. R. McColl, "A Comparison of Orientational Order in Nematic and
Cholesteric Liquid Crystals," Solid State Communications, 28, 997 (1978).
P. J. Collings, D. J. Photinos, P. J. Bos, P. Ukleja, and J. W. Doane, "NMR in Spinning
Samples of Biaxial Liquid Crystals," Physical Review Letters, 42, 996 (1979).
P. J. Collings, Book Reviews of Vibrations and Waves in Physics by I. G. Main and Waves by
C. S. Coulson and A. Jeffrey, American Journal of Physics, 47, 663 (1979).
P. J. Collings, "A Simple Measurement of the Band Gap in Silicon and Germanium," American Journal of Physics, 48, 197 (1980).
T. K. Brog and P. J. Collings, "Optical Activity in the Cholesteric Blue Phase of a Liquid
Crystal," Molecular Crystals and Liquid Crystals, 60, 65 (1980).
R. V. Tranfield and P. J. Collings, "High Pressure Measurements in a Homologous Series of
Liquid Crystals," Physical Review A, 25, 2744 (1982).
N. D. Russell and P. J. Collings, "High Pressure Measurements in Phospholipid Bilayers Using
Adiabatic Compression," Journal of Chemical Physics, 77, 5766 (1982).
P. J. Collings, "Comment on 'NMR Spectroscopy in Cholesteric Liquid Crystals: I.
Orientational Order Parameter Measurements'," Journal of Chemical Physics, 79, 3605 (1983).
C. S. Johnson and P. J. Collings, "Nonreentrant and Reentrant Nematic Liquid Crystals under
High Pressure: A Volumetric Study," Journal of Chemical Physics, 79, 4056 (1983).
N. D. Russell and P. J. Collings, "Adiabatic Compression: A New Method to Measure Latent
Heats in Phospholipid Bilayers," in Liquid Crystals and Ordered Fluids 4, A. C. Griffin and J.
F. Johnson, eds. (Plenum Publishing Corp., New York, 1984), p. 479.
P. J. Collings, "Optical Rotatory Dispersion of Single Crystals in the Cholesteric Blue Phase,
"Molecular Crystals and Liquid Crystals, 113, 277 (1984).
P. J. Collings, "Optical Rotatory Dispersion Measurements in the Third Cholesteric Blue
Phase (BP III)," Physical Review A, 30, 1990 (1984).
Th. Blumel, P. J. Collings, H. Onusseit, and H. Stegemeyer, "Phase Diagrams of the Blue
Phases," Chemical Physics Letters, 116, 529 (1985).
P. J. Collings, "Comment on Chiral-Racemic Phase Diagram of a Blue-Phase Liquid Crystal,
"Physical Review A, 33, 2153 (1986).
M. B. Atkinson and P. J. Collings, "Optical Rotatory Power in the Isotropic Phase of Four
Cholesteryl Esters," Molecular Crystals and Liquid Crystals, 136, 141 (1986).
R. E. Tosh and P. J. Collings, "High Pressure Volumetric Measurements in
Dipalmitoylphosphatidylcholine Bilayers," Biochimia et Biophysica Acta, 859, 10 (1986).
M. W. Lampe and P. J. Collings, "High Pressure Volumetric Measurements Near a Smectic-
Nematic-Isotropic Triple Point," Physical Review A, 34, 524 (1986).
J. D. Miller, P. R. Battle, P. J. Collings, D. K. Yang, and P. P. Crooker, "Temperature-
Concentration Phase Diagram for the Blue Phases of a Highly Chiral Liquid Crystal", Physical
Review A35, 3959 (1987).
P. R. Battle, J. D. Miller, and P. J. Collings, "Pretransitional Optical Activity Measurements
in a Highly Chiral Liquid Crystal System", Physical Review A 36, 369 (1987).
J. Ennis, J. E. Wyse, P. J. Collings, "Optical Activity Measurements at Long Wavelengths in
the Blue Phases of Highly Chiral Liquid Crystals", Liquid Crystals, 5, 861 (1989).
P. J. Collings and T. B. Greenslade, Jr., "Using the Computer As a Laboratory Instrument", The Physics Teacher, 27, 76 (1989).
J. E. Wyse, J. Ennis, P. J. Collings, "Coupling Between Structural Modes in the Isotropic
Phase of Highly Chiral Liquid Crystals", Physical Review Letters, 62, 1045 (1989).
K. C. Frame, J. L. Walker, and P. J. Collings, “Pretransitional Optical Activity in Chiral
Smectic Liquid Crystals,” Molecular Crystals and Liquid Crystals, 198, 91 (1991).
J. L. Walker and P. J. Collings, "A Comparison of Pressure-induced and Concentration-
Induced Smectic A-Nematic-Isotropic Triple Points," Liquid Crystals, 9, 751 (1991).
J. E. Wyse, and P. J. Collings, "Light Scattering in the Isotropic Phase of Highly Chiral Liquid
Crystals," Physical Review A45, 2449 (1992).
P. J. Collings, “Optical Activity and Light Scattering in Highly Chiral Liquid Crystals,” Modern Physics Letters B6, 425 (1992).
J. D. Rosenzweig and P. J. Collings, “Optical Activity in the Smectic A Phase of a Highly
Chiral Liquid Crystal,” Physical Review E, 47, 1876 (1993).
R. F. Pasternack, C. Bustamante, P. J. Collings, A. Giannetto and E. J. Gibbs, “Porphyrin
Assemblies on DNA As Studied By a Resonance Light Scattering Technique,” Journal of the
American Chemical Society, 115, 5393 (1993).
B. D. Yanoff, A. A. Ruether, P. J. Collings, A. J. Slaney, and J. W. Goodby, “Optical
Activity and Light Scattering in the Isotropic and Smectic A* Phases of a Highly Chiral
Smectic Liquid Crystal,” Liquid Crystals, 14, 1793 (1993).
J. Hollmann, P. Pollmann, and P. J. Collings, “High Pressure Measurements of BP III and the
Pretransitional Optical Activity in a Highly Chiral Liquid Crystal,” Liquid Crystals, 15, 651
(1993).
M. B. Bowling, P. J. Collings, C. J. Booth, and J. W. Goodby, “Phase Diagrams for the Blue
Phases of Highly Chiral Liquid Crystals,” Physical Review E, 48, 4113 (1993).
P. J. Collings, Book Review of "Modern Physics from Alpha to Z0" by J. W. Rohlf, Physics Today, 47, 12, 62 (1994).
Z. Kutnjak, C. W. Garland, J. L. Passmore, and P. J. Collings, “Evidence for a Supercritical
‘Transition’ to the Isotropic Phase in a Highly Chiral Liquid Crystal,” Physical Review Letters, 74, 4859 (1995).
J. L. Passmore, B. C. Collings, and P. J. Collings, “Autocorrelation of Electrical Noise: An
Undergraduate Experiment,” American Journal of Physics, 63, 592 (1995).
J. B. Becker and P. J. Collings, “Optical Measurements on the BP III to Isotropic Phase
Transition in Highly Chiral Liquid Crystals,” Molecular Crystals and Liquid Crystals, 265, 163 (1995).
R. F. Pasternack and P. J. Collings, “Resonance Light Scattering: A New Technique for
Studying Chromophore Aggregation,” Science, 269, 935 (1995).
P. J. Collings, “Liquid Crystal Displays,” American Journal of Physics, 63, 1044 (1995).
J. W. Goodby, D. A. Dunmur, and P. J. Collings, “Lattice Melting at the Clearing Point in
Frustrated Systems,” Liquid Crystals, 19, 703 (1995).
Z. Kutnjak, C. W. Garland, C. G. Schatz, P. J. Collings, C. J. Booth, and J. W. Goodby,
“Critical Point for the Blue Phase III - Isotropic Phase Transition in Chiral Liquid Crystals,” Physical Review E, 53, 4955 (1996).
M. H. Kao, K. A. Jester, A. G. Yodh, and P. J. Collings, “Observation of Light Diffusion and
Correlation Transport in Nematic Liquid Crystals,” Physical Review Letters, 77, 2233 (1996).
P. J. Collings, “Point and Line Disclinations in Models of the Blue Phases,” Molecular Crystals
and Liquid Crystals, 292, 155 (1997).
H. Stark, M. H. Kao, K. A. Jester, T. C. Lubensky, A. G. Yodh, and P. J. Collings, “Light
Diffusion and Diffusing-Wave Spectroscopy in Nematic Liquid Crystals,” Journal of the
Optical Society of America A14, 156 (1997).
U. Singh, P. J. Collings, C. J. Booth, J. W. Goodby, “Static and Dynamic Light Scattering
Near the Liquid Crystalline Blue Phase III - Isotropic Liquid Critical Point,” Journal de
Physique II, 7, 1683 (1997).
M. A. Anisimov, V. A. Agayan, and P. J. Collings, “The Nature of the BP III - Isotropic
Critical Point: An Analogy With the Liquid - Gas Transition,” Physical Review E, 57, 582
(1998).
J. Parkash, J. H. Robblee, J. Agnew, E. Gibbs, P. Collings, R. F. Pasternack, and J. C. de
Paula, “Depolarized Resonance Light Scattering by Porphyrin and Chlorophyll a Aggregates,” Biophysical Journal, 74, 2089 (1998).
R. F. Pasternack, E. J. Gibbs, P. J. Collings, J. C. DePaula, L. C. Turzo, and A. Terracina, “A.
Non-conventional Approach to Supermolecular Formation Dynamics: The Kinetics of
Assembly of DNA-bound Porphyrins,” Journal of the American Chemical Society, 120, 5873
(1998).
C. Nuckolls, T. J. Katz, G. Katz, P. J. Collings, and L. Castellanos, “Synthesis and
Aggregation of a Conjugated Helical Molecule,” Journal of the American Chemical Society, 121, 79 (1999).
P. J. Collings, E. J. Gibbs, T. E. Starr, O. Vafek, C. Yee, L. A. Pomerance, and R. F.
Pasternack, “Resonance Light Scattering and its Application in Determining the Size, Shape,
And Aggregation Number for Supermolecular Assemblies of Chromophores,” Journal of
Physical Chemistry B, 103, 8474 (1999).
B. J. Huff, J. J. Krich, and P. J. Collings, “Helix Inversion in the Chiral Nematic and Isotropic
Phases of a Liquid Crystal,” Physical Review E, 61, 5372 (2000).
R. F. Pasternack, C. Fleming, S. Herring, P. J. Collings, J. dePaula, G. DeCastro, and E. J.
Gibbs, “Aggregation Kinetics of Extended Porphyrin and Cyanine Dye Assemblies,” Biophysical Journal, 79, 550 (2000).
G. M. Barretto, P. J. Collings, D. Bennemann, D. Loetzsch, and G. Heppke, “Short Range
Order in the Isotropic Phase of Antiferroelectric Liquid Crystals,” Liquid Crystals, 28, 629
(2001).
R. F. Pasternack, S. Ewen, A. Rao, A. S. Meyer, M. A. Freedman, P. J. Collings, S. L. Frey,
M. C. Ranen, and J. C. dePaula, “Interactions of Copper (II) Porphyrins with DNA,” Inorg.
Chim. Acta, 317, 59-71 (2001).
E. Grelet, P. J. Collings, M. H. Li, and H. T. Nguyen, “Optical Activity Measurements in the
Smectic Blue Phases,” European Physical Journal E, 6, 157 (2001).
J. V. Selinger, P. J. Collings, and R. Shashidhar, “Field Dependent Tilt and Birefringence of
Electroclinic Liquid Crystals: Theory and Experiment,” Physical Review E, 64, 061705 (2001).
D. Lacoste, P. J. Collings, and T. C. Lubensky, “Effective Index of Refraction, Optical
Rotation, and Circular Dichroism in Isotropic Chiral Liquid Crystals,” Physical Review E, 65,
031717 (2002).
P. J. Collings, B. R. Ratna, and R. Shashidhar, “Order Parameter Measurements of Dichroic
Dyes Dissolved in Smectic Liquid Crystals that Tilt Without Layer Contraction,” Physical
Review E, 67, 021705 (2003).
P. J. Collings, Book Review of "Liquid Crystals: Fundamentals" by S.Singh, Physics Today, 56,
11, 69 (2003).
A. Chanishvili, G. Chilaya, G. Petriashvili, P. J. Collings, “Trans-Cis Isomerization and the
Blue Phases,” Physical Review E, 71, 051705 (2005).
J. J. Krich, M. B. Romanowsky, and P. J. Collings, “Correlation Length and Chirality of the Fluctuations in the Isotropic Phase of Nematic and Cholesteric Liquid Crystals,” Physical Review E71, 051712 (2005).
A. M. Alsayed, M. F. Islam, J. Zhang, P. J. Collings, and A. G. Yodh, “Premelting at Defects Within Bulk Colloidal Crystals,” Science, 309, 1207 (2005).
P. J. Collings, “Ferroelectric Liquid Crystals: The 2004 Benjamin Franklin Medal in Physics Presented to Robert B. Meyer of Brandeis University,” Journal of the Franklin Institute, 342, 599 (2005).
V. R. Horowitz, L. A. Janowitz, A. L. Modic, P. A. Heiney, and P. J. Collings, “Aggregation
Behavior and Liquid Crystal Properties of an Anionic Monoazo Dye,” Physical Review E, 72,
041710 (2005).
G. Chilaya, A. Chanishvili, G. Petriashvili, R. Barberi, R. Bartolino, M. P. De Santo, M. A.
Matranga, and P. Collings, “Light Control of Cholesteric Liquid Crystals Using Azoxy-Based
Host Materials,” Molecular Crystals and Liquid Crystals, 453, 123 (2006).
P. J. Collings, “Reflections of the Chair of the Committee on Science and the Arts,” Journal of
the Franklin Institute, 343, 211 (2006).
D. Aronzon, E. P. Levy, P. J. Collings, A. Chanishvili, G. Chilaya, and G. Petriashvili,
“Trans-cis Isomerization of an Azoxybenzene Liquid Crystal,” Liquid Crystals, 34, 707
(2007).
M. R. Tomasik and P. J. Collings, “Aggregation Behavior and Chromonic Liquid Crystal
Phase of a Dye Derived from Naphthalenecarboxylic Acid,” Journal of Physical Chemistry B112, 9883 (2008).
A. J. Dickinson, N. D. LaRacuente, C. B. McKitterick, and P. J. Collings, “Aggregate Structure
and Free Energy Changes in Chromonic Liquid Crystals,” Molecular Crystals and Liquid
Crystals509, 751 (2009).
C. B. McKitterick, N. L. Erb-Satullo, N. D. LaRacuente, A. J. Dickinson, and P. J. Collings,
"Aggregation Properties of the Chromonic Liquid Crystal Benzopurpurin 4B", Journal of
Physical Chemistry B114, 1888 (2010).
P. J. Collings, “Reflections of the Chair of the Committee on Science and the Arts,” Journal of
the Franklin Institute 347, 655 (2010).
P. J. Collings and P. Evans, “The 2006 Bower Award for Business Leadership is presented to R. E. (Ted) Turner,” Journal of the Franklin Institute, 347, 662 (2010).
P. J. Collings, A. J. Dickinson, and E. C. Smith, “Molecular Aggregation and Chromonic
Liquid Crystals”, Liquid Crystals37, 701 (2010).
P. J. Collings, Book Reviews of Soap, Science, and Flat-Screen TVs by D. Dunmur and T.
Slukin and Structure and Properties of Liquid Crystals by L. M. Blinov, Physics Today64, 8,
49 (2011).
P. J. Collings, “The 2007 Bower Award for Business Leadership is presented to Norman
Augustine,” Journal of the Franklin Institute, 349, 3211 (2012).
E. A. Mills, M. H. Regan, V. Stanic, and P. J. Collings, “Large Assembly Formation Via a
Two-Step Process in a Chromonic Liquid Crystal”, Journal of Physical Chemistry B116,
13506 (2012).
T. Ostapenko, Y. A. Nastishin, P. J. Collings, S. N. Sprunt, O. D. Lavrentovich, and J. T.
Gleeson, “Aggregation, Pretransitional Behavior, and Optical Properties in the Isotropic Phase
of Lyotropic Chromonic Liquid Crystals Studied in High Magnetic Fields,” Soft Matter9,
9487 (2013).
C. K. McGinn, L. I. Laderman, N. Zimmermann, H. –S. Kitzerow, and P. J. Collings, “Planar
Anchoring Strength and Pitch Measurements in Achiral and Chiral Chromonic Liquid Crystals
Using 90° Twist Cells,” Physical Review E88, 062513 (2013).
J. Jeong, Z. S. Davidson, P. J. Collings, T. C. Lubensky, and A. G. Yodh, “Chiral Symmetry
Breaking and Surface Faceting in Chromonic Liquid Crystal Droplets with Giant Elastic
Anisotropy,” Proceedings of the National Academy of Sciences111, 1742 (2014).
J. Jeong, G. Han, A. T. C. Johnson, P. J. Collings, T. C. Lubensky, and A. G. Yodh,
“Homeotropic Alignment of Lyotropic Chromonic Liquid Crystals Using Non-Covalent
Interactions,” Langmuir30, 2914 (2014).
M. A. Lohr, M. Cavallaro, D. A. Bellar, K. J. Stebe, R. D. Kamien, P. J. Collings, and A. G.
Yodh, “Elasticity-Dependent Self-Assembly of Micro-Templated Chromonic Liquid Crystal
Films”, Soft Matter10, 3477 (2014).
D. Subramanian, J. B. Klauda, P. J. Collings, and M. A. Anisimov, “Mesoscale Phenomena in
Ternary Solutions of Tertiary Butyl Alcohol, Water, and Propylene Oxide,” Journal of Physical
Chemistry B118, 5994 (2014).
D. M. Agra-Kooijman, G. Singh, A. Lorenz, P. J. Collings, H. –S. Kitzerow, and S. Kumar,
“Columnar Molecular Aggregation in the Aqueous Solutions of Disodium Cromoglycate,” Physical Review E89, 062504 (2014).
B. R. Mercado, K. J. Nieser, and P. J. Collings, “Cooperativity of the Assembly Process in a
Low Concentration Chromonic Liquid Crystal”, Journal of Physical Chemistry B118, 13312
(2014).
N. Zimmermann, G. Junnemann-Held, P. J. Collings, and H. -S. Kitzerow, “Self-Organized
Assemblies of Colloidal Particles Obtained from an Aligned Chromonic Liquid Crystal
Dispersion,” Soft Matter11, 1547 (2015).
J. Jeong, L. Kang, Z. S. Davidson, P. J. Collings, T. C. Lubensky, and A. G. Yodh, “Chiral
Structures from Achiral Liquid Crystals in Cylindrical Capillaries,” Proceedings of the
National Academy of Sciences112, E1837 (2015).
P. J. Collings, J. N. Goldstein, E. J. Hamilton, B. R. Mercado, K. J. Nieser, and M. H. Regan,
“The Nature of the Assembly Process in Chromonic Liquid Crystals,” Liquid Crystals Reviews3, 1 (2015).
Z. S. Davidson, L. Kang, J. Jeong, T. Still, P. J. Collings, T. C. Lubensky, and A. G. Yodh,
“Chiral Structures and Defects of Lyotropic Chromonic Liquid Crystals Induced by Saddle-
Splay Elasticity,” Physical Review E, 91, 050501(R) (2015).
J. Jeong, A. Gross, W. Wei, F. Tu, D. Lee, P. J. Collings, and A. G. Yodh, “Liquid Crystal
Janus Emulsion Droplets: Preparation, Tumbling, and Swimming,” Soft Matter11, 6747
(2015).
M. D. Gratale, T. Still, C. Matyas, Z. S. Davidson, S. Lobel, P. J. Collings, and A. G. Yodh,
“Tunable Depletion Potentials Driven by the Shape Variation of Surfactant Micelles,” Physical
Review E93, 050601(R) (2016).
A. A. Fernandez, R. Hammink, S. Kragt, L. Cattaneo, M. Savoini, J. van der Velden, T. Rasing, A. E. Rowan, P. J. Collings, P. H. J. Kouwer, “Order at Extreme Dilution”, Advanced Functional Materials26, 9009 (2016).
P. J. Collings, P van der Asdonk, A. Martinez, L. Tortora, P. H. J. Kouwer, “Anchoring Strength Measurements of a Lyotropic Chromonic Liquid Crystal on Rubbed Polyimide Surfaces,” Liquid Crystals44, 1165 (2017).
P. van der Asdonk, P. Collings, and P. Kouwer, “Extremely Stable and Homogeneous Lyotropic Liquid Crystal Alignment on Anisotropic Surfaces,” Advanced Functional Materials27, 1701209 (2017).
Z. S. Davidson, Y. Huang, A. Gross, A. Martinez, T. Still, C. Zhou, P. J. Collings, R. D. Kamien, A. G. Yodh, “Deposition and Drying Dynamics of Liquid Crystal Droplets,” Nature Communications8, 15642 (2017).
T. Ogolla, S. B. Nashed, and P. J. Collings, “Pitch Measurements in Chiral Lyotropic Chromonic Liquid Crystals,” Liquid Crystals44, 1968 (2017).
A. Martinez, P. J. Collings, and A. G. Yodh, “Brownian Dynamics of Particles ‘Dressed’ by Chiral Director Configurations in Lyotropic Chromonic Liquid Crystals,” Physical Review Letters, 121, 177801 (2018).
T. Ogolla, R. S. Paley, and P. J. Collings, “Temperature Dependence of the Pitch in Chiral Lyotropic Chromonic Liquid Crystals,” Soft Matter, 15, 109 (2019).
T. Ogolla and P. J. Collings, “Assembly Structure and Free Energy Change of a Chromonic Liquid Crystal Formed by a Perylene Dye,” Liquid Crystals, 46, 1551 (2019).
C. F. Dietrich, P. J. Collings , T. Sottmann , P. Rudquist , and F. Giesselmann, “Extremely Small Twist Elastic Constants in Lyotropic Nematic Liquid Crystals,” Proc. Natl. Acad. Sci. USA, 117, 29238 (2020).
S. Yang and P. J. Collings, “The Genetic Algorithm: Using Biology to Compute Liquid Crystal Director Configurations,” Crystals, 10, 1041 (2020).
J. K. Ando and P. J. Collings, “A Chiral-Racemic Lyotropic Chromonic Liquid Crystal System,” Soft Matter, 17, 1409 (2021).
C. F. Dietrich, P. Rudquist, P. J. Collings, and F. Giesselmann, “Interplay between Confinement, Twist Elasticity, and Intrinsic Chirality in Micellar Lyotropic Nematic Liquid Crystals,” Langmuir, 37, 2749 (2021).
S. Ettinger, C. F. Dietrich, C. K. Mishra, C. Miksch, D. A. Beller, P. J. Collings, and A. G. Yodh, “Rods in a Lyotropic Chromonic Liquid Crystal: Emergence of Chirality, Symmetry-Breaking Alignment, and Caged Angular Diffusion,” Soft Matter, 18, 487 (2022).
A. de la Cotte, O. Stenull, S. Ettinger, P. J. Collings, T. C. Lubensky, and A. G. Yodh, “Giant Director Fluctuations in Liquid Crystal Drops,” Physical Review E, 105, 044702 (2022).
O. Stenull, A. de la Cotte, S. Ettinger, P. J. Collings, T. C. Lubensky, and A. G. Yodh, “Theory of Director Fluctuations about a Hedgehog Defect in a Nematic Drop,” Physical Review E, 105, 044703 (2022).
B. Zhang and P. J. Collings, “An Extensive Analysis of Isodesmic Assembly in Dilute Solutions of Two Lyotropic Chromonic Liquid Crystal Systems,” Liquid Crystals, 49, 1488 (2022).
S. Yang, B. Zhang, S. R. Murdock, and P. J. Collings, “Orientational Order of Dyes in a Lyotropic Chromonic Liquid Crystal,” Soft Matter, 18, 7415 (2022).
S. Ettinger, C. G. Slaughter, S. H. Parra, J. M. Kikkawa, P. J. Collings, and A. G. Yodh, “Magnetic-field-driven Director Configuration Transitions in Radial Nematic Liquid Crystal Droplets,” Physical Review E, 108, 024704 (2023).
Y. Chen, M. Mandić, C. G. Slaughter, M. Tanaka, J. M. Kikkawa, P. J. Collings, and A. G. Yodh, “Morphology and Line Tension of Twist Disclinations in a Nematic Liquid Crystal,” Soft Matter, 20, 9050 (2024).
J. Rojo-Gonzalez, C. G. Slaughter, P. J. Collings, J. Kikkawa, A. G. Yodh, and A. Fernandez-Nieves, “Helfrich walls in nematic toroidal droplets in the presence of magnetic fields,” Proceedings of the National Academy of Sciences, 123, e2603043123 (2026).