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THIRD SERIES, VOLUME 72, NUMBER 1 CONTENTS JULY 2005

PART 1: SOFT MATTER AND BIOLOGICAL PHYSICS

RAPID COMMUNICATIONS

Statistical physics of soft matter Natural cutoff in Lévy flights caused by dissipative nonlinearity (4 pages) ...... 010101͑R͒ Aleksei V. Chechkin, Vsevolod Yu. Gonchar, Joseph Klafter, and Ralf Metzler

Granular materials Spatially heterogeneous dynamics in a model for granular compaction (4 pages) ...... 010301͑R͒ Alexandre Lefèvre, Ludovic Berthier, and Robin Stinchcombe

Colloidal dispersions, suspensions, and aggregates Interactions between nanoparticles in supercritical fluids: From repulsion to attraction (4 pages) ...... 010401͑R͒ S. A. Egorov

Structured and complex fluids Demixing can occur in binary hard-sphere mixtures with negative nonadditivity (4 pages) ...... 010501͑R͒ A. Santos and M. López de Haro

Biological physics Modulated phase of phospholipids with a two-dimensional square lattice (4 pages) ...... 010901͑R͒ Lin Yang and Masafumi Fukuto Structural origin of the brown color of barbules in male peacock tail feathers (4 pages) ...... 010902͑R͒ Yizhou Li, Zhihua Lu, Haiwei Yin, Xindi Yu, Xiaohan Liu, and Jian Zi Distinctive features of the biological catch bond in the jump-ramp force regime predicted by the two-pathway model (4 pages) ...... 010903͑R͒ Yuriy V. Pereverzev, Oleg V. Prezhdo, Wendy E. Thomas, and Evgeni V. Sokurenko

ARTICLES

Statistical physics of soft matter Power law tails of time correlations in a mesoscopic fluid model (8 pages) ...... 011101 M. Ripoll and M. H. Ernst

Copyright 2005 by The American Physical Society

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Configurational entropy and its crisis in metastable states: Ideal glass transition in a dimer model as a paragidm of a molecular glass (23 pages) ...... 011102 F. Semerianov and P. D. Gujrati Fractional rotational diffusion of rigid dipoles in an asymmetrical double-well potential (13 pages) ...... 011103 William T. Coffey, Yuri P. Kalmykov, Sergey V. Titov, and Jagdish K. Vij Fluctuation-dissipation relations for Markov processes (14 pages) ...... 011104 Gregor Diezemann Long-time dynamics of the three-dimensional biaxial Grinfeld instability (5 pages) ...... 011105 Jérôme Paret Exactly solvable model of continuous stationary 1/ f noise (7 pages) ...... 011106 James P. Gleeson Time-fractional diffusion equation with time dependent diffusion coefficient (4 pages) ...... 011107 Kwok Sau Fa and E. K. Lenzi Driven classical diffusion with strong correlated disorder (4 pages) ...... 011108 Leonid P. Pryadko and Jing-Xian Lin Interpretation of a fractional diffusion equation with nonconserved probability density in terms of experimental systems with trapping or recombination (6 pages) ...... 011109 Juan Bisquert Noise-induced escape of periodically modulated systems: From weak to strong modulation (15 pages) ...... 011110 D. Ryvkine and M. I. Dykman Necessary criterion for distinguishing true superdiffusion from correlated random walk processes (6 pages) ...... 011111 G. M. Viswanathan, E. P. Raposo, F. Bartumeus, Jordi Catalan, and M. G. E. da Luz Delay Fokker-Planck equations, Novikov’s theorem, and Boltzmann distributions as small delay approximations (8 pages) ...... 011112 T. D. Frank Harmonic velocity noise: Non-Markovian features of noise-driven systems at long times (7 pages) ...... 011113 Jing-Dong Bao, Yan-Li Song, Qing Ji, and Yi-Zhong Zhuo Optimizing the bulk modulus of low-density cellular networks (5 pages) ...... 011114 Marc Durand

Equilibrium and linear transport properties of fluids Asymmetric nanodiffusion (7 pages) ...... 011201 I. D. Kosińska and A. Fuliński Clusters of mobile molecules in supercooled water (12 pages) ...... 011202 Nicolas Giovambattista, Sergey V. Buldyrev, H. Eugene Stanley, and Francis W. Starr Structural relaxation in the glass transition region of water (13 pages) ...... 011203 Nicolas Giovambattista, C. Austen Angell, Francesco Sciortino, and H. Eugene Stanley Closed form for the equations of chemically reacting flows under local thermodynamic equilibrium (12 pages) ...... 011204 Pietro Rini, David Vanden Abeele, and Gérard Degrez

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Relaxation in a glassy binary mixture: Mode-coupling-like power laws, dynamic heterogeneity, and a new non-Gaussian parameter (9 pages) ...... 011205 Elijah Flenner and Grzegorz Szamel

Granular materials Jamming transition in emulsions and granular materials (12 pages) ...... 011301 H. P. Zhang and H. A. Makse Jamming transition in a highly dense granular system under vertical vibration (4 pages) ...... 011302 Kipom Kim, Jong Kyun Moon, Jong Jin Park, Hyung Kook Kim, and Hyuk Kyu Pak Hydrodynamic modes for a granular gas from kinetic theory (16 pages) ...... 011303 J. Javier Brey and James W. Dufty Effect of air on granular size separation in a vibrated granular bed (13 pages) ...... 011304 Matthias E. Möbius, Xiang Cheng, Peter Eshuis, Greg S. Karczmar, Sidney R. Nagel, and Heinrich M. Jaeger Friction and convection in a vertically vibrated granular system (6 pages) ...... 011305 Dino Risso, Rodrigo Soto, Sergio Godoy, and Patricio Cordero

Colloidal dispersions, suspensions, and aggregates Aging of a colloidal glass under a periodic shear (5 pages) ...... 011401 Soulaimane Kaloun, Mohammed Skouri, Alexandra Knaebel, Jean-Pierre Münch, and Pascal Hébraud Crackling of a coagulating suspension (5 pages) ...... 011402 Régis Sarcia and Pascal Hébraud Successive exponential and full aging regimes evidenced by tracer diffusion in a colloidal glass (5 pages) ...... 011403 S. Kaloun, R. Skouri, M. Skouri, J. P. Munch, and F. Schosseler Growth of monodisperse mesoscopic metal-oxide colloids under constant monomer supply (8 pages) ...... 011404 Koh Nozawa, Marie-Hélène Delville, Hideharu Ushiki, Pascal Panizza, and Jean-Pierre Delville Structure and dynamics of repulsive magnetorheological colloids in two-dimensional channels (10 pages) .... 011405 Ramin Haghgooie and Patrick S. Doyle Fractal dimension and unscreened angles measured for radial viscous fingering (10 pages) ...... 011406 Olivier Praud and Harry L. Swinney Depletion interaction in a quasi-two-dimensional binary colloid mixture: Monte Carlo simulations (7 pages) ...... 011407 Alice Sheu and Stuart A. Rice Simulation of claylike colloids (16 pages) ...... 011408 Martin Hecht, Jens Harting, Thomas Ihle, and Hans J. Herrmann Surface relaxation and chemical exchange in hydrating cement pastes: A two-dimensional NMR relaxation study (9 pages) ...... 011409 P. J. McDonald, J.-P. Korb, J. Mitchell, and L. Monteilhet

Structured and complex fluids Solidity of viscous liquids. III. ␣ relaxation (7 pages) ...... 011501 Jeppe C. Dyre

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Kinetics and mechanism of the interconversion of inverse bicontinuous cubic mesophases (16 pages) ...... 011502 Adam M. Squires, R. H. Templer, J. M. Seddon, J. Woenkhaus, R. Winter, T. Narayanan, and S. Finet Thermodynamic instabilities of a binary mixture of sticky hard spheres (15 pages) ...... 011503 Riccardo Fantoni, Domenico Gazzillo, and Achille Giacometti High-frequency microrheology of wormlike micelles (9 pages) ...... 011504 M. Buchanan, M. Atakhorrami, J. F. Palierne, F. C. MacKintosh, and C. F. Schmidt Electroconvective instability in concentration polarization and nonequilibrium electro-osmotic slip (19 pages) ...... 011505 Isaak Rubinstein, Boris Zaltzman, and Irina Lerman Tunable generic model for fluid bilayer membranes (4 pages) ...... 011506 Ira R. Cooke, Kurt Kremer, and Markus Deserno Kinetics of phase separation in systems exhibiting simple coacervation (9 pages) ...... 011507 Amarnath Gupta and H. B. Bohidar Microscopic theory of glassy dynamics and glass transition for molecular crystals (16 pages) ...... 011508 Michael Ricker and Rolf Schilling X-ray specular reflectivity study of a critical binary fluid mixture (5 pages) ...... 011509 L. W. Marschand, M. Brown, L. B. Lurio, B. M. Law, S. Uran, I. Kuzmenko, and T. Gog

Films, interfaces, and crystal growth Double dendrite growth in solidification (6 pages) ...... 011601 Brian Utter and E. Bodenschatz Quantitative phase-field modeling of two-phase growth (27 pages) ...... 011602 R. Folch and M. Plapp Influence of inhomogeneous substrate curvature on line tension (8 pages) ...... 011603 P. Jakubczyk and M. Napiórkowski Influence of pulsed laser heating on morphological relaxation of surface ripples (9 pages) ...... 011604 M. Khenner Growth and form of spherulites (15 pages) ...... 011605 László Gránásy, Tamás Pusztai, György Tegze, James A. Warren, and Jack F. Douglas Quasistatic relaxation of arbitrarily shaped sessile drops (7 pages) ...... 011606 Stanimir Iliev, Nina Pesheva, and Vadim S. Nikolayev Master-equation approach to the study of phase-change processes in data storage media (8 pages) ...... 011607 K. B. Blyuss, P. Ashwin, A. P. Bassom, and C. D. Wright Dynamic scaling form in wavelet-discriminated Edwards-Wilkinson growth equation (5 pages) ...... 011608 Z. Moktadir

Liquid crystals

Phase behavior of a nematic liquid crystal in contact with a chemically and geometrically structured substrate (7 pages) ...... 011701 L. Harnau, S. Kondrat, and A. Poniewierski

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Visible and near-infrared characterization and modeling of nanosized holographic-polymer-dispersed liquid crystal gratings (8 pages) ...... 011702 Francesco Vita, Antigone Marino, Volodymyr Tkachenko, Giancarlo Abbate, Daniele E. Lucchetta, Luigi Criante, and Francesco Simoni Soft elasticity in smectic elastomers (8 pages) ...... 011703 J. M. Adams and M. Warner Dynamics of fluctuations in smectic membranes (18 pages) ...... 011704 Irakli Sikharulidze and Wim H. de Jeu Buckling instability of droplet chains in freely suspended smectic films (8 pages) ...... 011705 C. Völtz and R. Stannarius Mechanics of soft-solid–liquid-crystal interfaces (15 pages) ...... 011706 Alejandro D. Rey

Polymers Experimental investigation of equibiaxial extension and breakup of drops in a molten two-phase polymer blend (5 pages) ...... 011801 U. A. Handge Pressure-enhanced dynamic heterogeneity in block copolymers of poly͑methyl vinyl ether͒ and poly͑isobutyl vinyl ether͒ (9 pages) ...... 011802 K. Mpoukouvalas, G. Floudas, B. Verdonck, and F. E. Du Prez Assembly of one-dimensional supramolecular objects: From monomers to networks (7 pages) ...... 011803 Mehmet Sayar and Samuel I. Stupp Phase-field modeling on morphological landscape of isotactic polystyrene single crystals (9 pages) ...... 011804 Haijun Xu, Rushikesh Matkar, and Thein Kyu Orientational ordering and dynamics of rodlike polyelectrolytes (6 pages) ...... 011805 Hossein Fazli, Ramin Golestanian, and Mohammad R. Kolahchi Correlated disorder in random block copolymers (11 pages) ...... 011806 Harry Westfahl, Jr. and Jörg Schmalian Creating structures in polymer blends via a dissolution and phase-separation process (8 pages) ...... 011807 Gavin A. Buxton and Nigel Clarke Scaling theory of polyelectrolyte adsorption on a repulsive charged surface (4 pages) ...... 011808 Chi-Ho Cheng and Pik-Yin Lai

Biological physics Dynamics of fluid vesicles in shear flow: Effect of membrane viscosity and thermal fluctuations (14 pages) ...... 011901 Hiroshi Noguchi and Gerhard Gompper Noise correlation length effects on a Morris-Lecar neural network (7 pages) ...... 011902 N. Montejo, M. N. Lorenzo, V. Pérez-Villar, and V. Pérez-Muñuzuri Budding and domain shape transformations in mixed lipid films and bilayer membranes (13 pages) ...... 011903 J. L. Harden, F. C. MacKintosh, and P. D. Olmsted

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Propagator theory of brain dynamics (13 pages) ...... 011904 P. A. Robinson Asymptotic construction of pulses in the discrete Hodgkin-Huxley model for myelinated nerves (10 pages) ...... 011905 A. Carpio Perceptron learning of pairwise contact energies for proteins incorporating the amino acid environment (9 pages) ...... 011906 Muyoung Heo, Suhkmann Kim, Eun-Joung Moon, Mookyung Cheon, Kwanghoon Chung, and Iksoo Chang Dynamics of learning in coupled oscillators tutored with delayed reinforcements (7 pages) ...... 011907 M. A. Trevisan, S. Bouzat, I. Samengo, and G. B. Mindlin Model for the distributions of k-mers in DNA sequences (7 pages) ...... 011908 Yaw-Hwang Chen, Su-Long Nyeo, and Chiung-Yuh Yeh Upper limits of dielectric permittivity modulation in bacteriorhodopsin films (9 pages) ...... 011909 P. Acebal, S. Blaya, L. Carretero, and A. Fimia Dynamic simulations of membranes with cytoskeletal interactions (15 pages) ...... 011910 Lawrence C.-L. Lin and Frank L. H. Brown Steepest descent calculation of RNA pseudoknots (4 pages) ...... 011911 M. Pillsbury, Henri Orland, and A. Zee Phase transitions in multiplicative competitive processes (4 pages) ...... 011912 Hideaki Shimazaki and Ernst Niebur Volatility of linear and nonlinear time series (8 pages) ...... 011913 Tomer Kalisky, Yosef Ashkenazy, and Shlomo Havlin Computer simulations of sympatric speciation in a simple food web (5 pages) ...... 011914 K. Luz-Burgoa, Tony Dell, and S. Moss de Oliveira Flexible lipid bilayers in implicit solvent (4 pages) ...... 011915 Grace Brannigan, Peter F. Philips, and Frank L. H. Brown Structure optimization by conformational space annealing in an off-lattice protein model (6 pages) ...... 011916 Seung-Yeon Kim, Sang Bub Lee, and Jooyoung Lee Interplay between chemical reactions and transport in structured spaces (9 pages) ...... 011917 Zoran Konkoli Scaling in force spectroscopy of macromolecules (8 pages) ...... 011918 Cristiano L. Dias, Martin Dubé, Fernando A. Oliveira, and Martin Grant Nonlinear software sensor for monitoring genetic regulation processes with noise and modeling errors (9 pages) ...... 011919 V. Ibarra-Junquera, L. A. Torres, H. C. Rosu, G. Argüello, and J. Collado-Vides

BRIEF REPORTS

Equilibrium and linear transport properties of fluids Thermodynamic pressure of a fluid confined in a random porous medium (4 pages) ...... 012201 W. Dong, X. S. Chen, and W. M. Zheng

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Structured and complex fluids

Analogy of the slow dynamics between the supercooled liquid and supercooled plastic crystal states of difluorotetrachloroethane (4 pages) ...... 012501 F. Affouard and M. Descamps

Films, interfaces, and crystal growth

Roughness of two-dimensional surfaces with global constraints (4 pages) ...... 012601 Yup Kim and S. Y. Yoon

Dissolution dynamics of NaCl nanocrystal in liquid water (4 pages) ...... 012602 Yong Yang, Sheng Meng, L. F. Xu, E. G. Wang, and Shiwu Gao

Biological physics

Scaling, genetic drift, and clonal interference in the extinction pattern of asexual population (4 pages) ...... 012901 Alexandre Rosas, Isabel Gordo, and Paulo R. A. Campos Light-noise-induced suprathreshold circadian oscillations and coherent resonance in Drosophila (4 pages) .... 012902 Ming Yi and Ya Jia

Raman, hyper-Raman, hyper-Rayleigh, two-photon luminescence and morphology-dependent resonance modes in a single optical tweezers system (4 pages) ...... 012903 A. Fontes, K. Ajito, A. A. R. Neves, W. L. Moreira, A. A. de Thomaz, L. C. Barbosa, A. M. de Paula, and C. L. Cesar

COMMENTS

Comment on “Numerical investigation of optically induced director oscillations in nematic liquid crystals” (3 pages) ...... 013701 E. Brasselet

Comment on “Local elastic stability for nematic liquid crystals” (2 pages) ...... 013702 A. L. Alexe-Ionescu and G. Barbero