Search Results - "Schweizer, S"

Dynamical Theory of Segmental Relaxation and Emergent Elasticity in Supercooled Polymer Melts by Mirigian, Stephen, Schweizer, Kenneth S

“…We generalize the force-level Elastically Collective Nonlinear Langevin Equation theory of supercooled molecular liquid dynamics to polymer melts based on…”
Get full text

Microscopic Theory of the Long-Time Diffusivity and Intermediate-Time Anomalous Transport of a Nanoparticle in Polymer Melts by Yamamoto, Umi, Schweizer, Kenneth S

“…The transport of a single nanoparticle in unentangled and entangled polymer melts is studied based on a microscopic, force-level, self-consistent generalized…”
Get full text

Unified Theory of Activated Relaxation in Liquids over 14 Decades in Time by Mirigian, Stephen, Schweizer, Kenneth S

“…We formulate a predictive theory at the level of forces of activated relaxation in hard-sphere fluids and thermal liquids that covers in a unified manner the…”
Get full text

Elastically Collective Nonlinear Langevin Equation Theory of Glass-Forming Liquids: Transient Localization, Thermodynamic Mapping, and Cooperativity by Phan, Anh D, Schweizer, Kenneth S

“…We analyze multiple new issues concerning activated relaxation in glassy hard sphere fluids and molecular and polymer liquids based on the elastically…”
Get full text

Microscopic Theory of Coupled Slow Activated Dynamics in Glass-Forming Binary Mixtures by Zhang, Rui, Schweizer, Kenneth S

“…The Elastically Collective Nonlinear Langevin Equation theory for one-component viscous liquids and suspensions is generalized to treat coupled slow activated…”
Get full text

Janus Particle Synthesis and Assembly by Jiang, Shan, Chen, Qian, Tripathy, Mukta, Luijten, Erik, Schweizer, Kenneth S., Granick, Steve

“…Janus particles, colloid‐sized particles with two regions of different surface chemical composition, possess energetic interactions that depend not only on…”
Get full text

Nonuniversal Coupling of Cage Scale Hopping and Collective Elastic Distortion as the Origin of Dynamic Fragility Diversity in Glass-Forming Polymer Liquids by Xie, Shi-Jie, Schweizer, Kenneth S

“…We formulate a theoretical mechanism for the physical origin of the massive dynamic fragility range observed in long chain glass-forming polymer melts within…”
Get full text

Theory of Yielding, Strain Softening, and Steady Plastic Flow in Polymer Glasses under Constant Strain Rate Deformation by Chen, Kang, Schweizer, Kenneth S

“…The nonlinear Langevin equation theory of segmental relaxation, elasticity, and nonlinear mechanical response of deformed polymer glasses with aging and…”
Get full text

Symptoms of depression in a large healthy population cohort are related to subjective memory complaints and memory performance in negative contexts by Schweizer, S, Kievit, R A, Emery, T, Henson, R N

“…Decades of research have investigated the impact of clinical depression on memory, which has revealed biases and in some cases impairments. However, little is…”
Get more information

Thermodynamics and Structure of Poly[n]catenane Melts by Rauscher, Phillip M, Schweizer, Kenneth S, Rowan, Stuart J, de Pablo, Juan J

“…Motivated by recent achievements in the synthesis of interlocking polymers, the structural features of poly­[n]­catenanes, polymers composed entirely of…”
Get full text

Theory of nanoparticle diffusion in unentangled and entangled polymer melts by Yamamoto, Umi, Schweizer, Kenneth S

“…We propose a statistical dynamical theory for the violation of the hydrodynamic Stokes-Einstein (SE) diffusion law for a spherical nanoparticle in entangled…”
Get more information

Correlation between Fragility and the Arrhenius Crossover Phenomenon in Metallic, Molecular, and Network Liquids by Jaiswal, Abhishek, Egami, Takeshi, Kelton, K F, Schweizer, Kenneth S, Zhang, Yang

“…We report the observation of a distinct correlation between the kinetic fragility index m and the reduced Arrhenius crossover temperature θ_{A}=T_{A}/T_{g} in…”
Get full text

Microscopic Theory of Long-Time Center-of-Mass Self-Diffusion and Anomalous Transport in Ring Polymer Liquids by Mei, Baicheng, Dell, Zachary E, Schweizer, Kenneth S

“…We construct a microscopic theory at the level of segment-scale correlated space–time intermolecular forces for the long-time center-of-mass (CM) diffusion…”
Get full text

Consequences of Delayed Chain Retraction on the Rheology and Stretch Dynamics of Entangled Polymer Liquids under Continuous Nonlinear Shear Deformation by Xie, Shi-Jie, Schweizer, Kenneth S

“…We generalize our recent new ideas for the continuous startup shear rheology of entangled polymer liquids in the transient stress overshoot regime to formulate…”
Get full text

Microscopic Theory for the Role of Attractive Forces in the Dynamics of Supercooled Liquids by Dell, Zachary E, Schweizer, Kenneth S

“…We formulate a microscopic, no adjustable parameter, theory of activated relaxation in supercooled liquids directly in terms of the repulsive and attractive…”
Get full text

Big Effect of Small Nanoparticles: A Shift in Paradigm for Polymer Nanocomposites by Cheng, Shiwang, Xie, Shi-Jie, Carrillo, Jan-Michael Y, Carroll, Bobby, Martin, Halie, Cao, Peng-Fei, Dadmun, Mark D, Sumpter, Bobby G, Novikov, Vladimir N, Schweizer, Kenneth S, Sokolov, Alexei P

“…Polymer nanocomposites (PNCs) are important materials that are widely used in many current technologies and potentially have broader applications in the future…”
Get full text

Theory of Spatial Gradients of Relaxation, Vitrification Temperature and Fragility of Glass-Forming Polymer Liquids Near Solid Substrates by Phan, Anh D, Schweizer, Kenneth S

“…We employ a new force-level statistical mechanical theory to predict spatial gradients of the structural relaxation time and T g of polymer liquids near…”
Get full text

Theory of Phase Separation in Polymer Nanocomposites by Hooper, Justin B, Schweizer, Kenneth S

“…The microscopic polymer reference interaction site model theory of polymer nanocomposites composed of flexible chains and spherical nanoparticles has been…”
Get full text

Contact Aggregation, Bridging, and Steric Stabilization in Dense Polymer−Particle Mixtures by Hooper, Justin B, Schweizer, Kenneth S

“…A detailed computational study of the potential of mean force between a pair of spherical particles dissolved in a homopolymer melt has been performed using…”
Get full text

Diffusion of Sticky Nanoparticles in a Polymer Melt: Crossover from Suppressed to Enhanced Transport by Carroll, Bobby, Bocharova, Vera, Carrillo, Jan-Michael Y, Kisliuk, Alexander, Cheng, Shiwang, Yamamoto, Umi, Schweizer, Kenneth S, Sumpter, Bobby G, Sokolov, Alexei P

“…The self-diffusion of a single large particle in a fluid is usually described by the classic Stokes–Einstein (SE) hydrodynamic relation. However, there are…”
Get full text