## Department of Physics Papers

#### Papers from 2009

Normal modes in model jammed systems in three dimensions, Leonardo E. Silbert, Andrea J. Liu, and Sidney R. Nagel

Non-Gaussian Signatures from the Postinflationary Early Universe, Alessandra Silvestri and Mark Trodden

Elasticity and Response in Nearly Isostatic Periodic Lattices, Anton Souslov, Andrea J. Liu, and Tom C. Lubensky

First-Principles Calculation of DNA Looping in Tethered Particle Experiments, Kevin Towles, John Beausang, Hernan Garcia, Rob Phillips, and Philip C. Nelson

Equivalence of Glass Transition and Colloidal Glass Transition in the Hard-Sphere Limit, Ning Xu, Thomas K. Haxton, Andrea J. Liu, and Sidney R. Nagel

Energy Transport in Jammed Sphere Packings, Ning Xu, Vincenzo Vitelli, Matthieu Wyart, Andrea J. Liu, and Sidney R. Nagel

Irreversible Rearrangements, Correlated Domains, and Local Structure in Aging Glasses, Peter Yunker, Zexin Zhang, Kevin B. Aptowicz, and Arjun G. Yodh

Casimir Interactions Between Scatterers in Metallic Carbon Nanotubes, Dina Zhabinskaya and Eugene J. Mele

#### Papers from 2008

Effective Temperatures and Activated Dynamics for a Two-Dimensional Air-Driven Granular System on Two Approaches to Jamming, Adam Ross Abate and Douglas J. Durian

Smectic-*A* Elastomers with Weak Director Anchoring, J. M. Adams, Mark Warner, Olaf Stenull, and Thomas C. Lubensky

Nonperturbative Yukawa Couplings from String Instantons, Ralph Blumenhagen, Mirjam Cvetič, Dieter Lüst, Robert Richter, and Timo Weigand

Non-Gaussianities in New Ekpyrotic Cosmology, Evgeny I. Buchbinder, Justin Khoury, and Burt A. Ovrut

Frequency-Dependent Fluctuation-Dissipation Relations in Granular Gases, Guy Bunin, Yair Shokef, and Dov Levine

Multiple Species of Noninteracting Molecules Adsorbed on a Bethe Lattice, Michael Cohen and A. Brooks Harris

Multiple Species of Noninteracting Molecules Adsorbed on a Bethe Lattice, Michael Cohen and A. Brooks Harris

*D*-Instanton Generated Dirac Neutrino Masses, Mirjam Cvetič and Paul Langacker

Gravity Trapping on a Finite Thickness Domain Wall: An Analytic Study, Mirjam Cvetič and Marko Robnik

Warped Resolved *L ^{a,b,c}* Cones, Mirjam Cvetič and J. F. Vázquez-Poritz

Hierarchies from D-brane Instantons in Globally Defined Calabi-Yau Orientifolds, Mirjam Cvetič and Timo Weigand

Electron Beam Nanosculpting of Suspended Graphene Sheets, Michael D. Fischbein and Marija Drndić

Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator, Liang Fu and Charles L. Kane

Statistics of Bubble Rearrangement Dynamics in a Coarsening Foam, Alex Gittings and Douglas J. Durian

Teaching About Fluids, Jerry P. Gollub

Order Parameters and Phase Diagram of Multiferroic *R*Mn_{2}O_{5}, A. Brooks Harris, Amnon Aharony, and Ora Entin-Wohlman

Order Parameters and Phase Diagrams of Multiferroics, A. Brooks Harris, Amnon Aharony, and Ora Entin-Wohlman

Order Parameters and Phase Diagram of Multiferroic *R*Mn_{2}O_{5}, A. Brooks Harris, Amnon Aharony, and Ora Entin-Wohlman

Effect of Inversion Symmetry on the Incommensurate Order in Multiferoic *R*Mn_{2}O_{5} (*R* = Rare Earth), A. Brooks Harris, M. Kenzelmann, Amnon Aharony, and Ora Entin-Wohlman

Effect of Inversion Symmetry on the Incommensurate Order in Multiferroic *R*Mn_{2}O_{5} (*R*=rare earth), A. Brooks Harris, Michel Kenzelmann, Amnon Aharony, and Ora Entin-Wohlman

Observational Tests of Modified Gravity, Bhuvnesh Jain and Pengjie Zhang

Field Theory of Directed Percolation with Long-Range Spreading, Hans-Karl Janssen and Olaf Stenull

Comment on "Ferroelectricity in Spiral Magnets", M. Kenzelmann and A. Brooks Harris

Comment on "Ferroelectricity in Spiral Magnets", Michel Kenzelmann and A. Brooks Harris

Spiral Spin Structures and Origin of the Magnetoelectric Coupling in YMn_{2}O_{5}, JungHwa Kim, Seunghun Lee, Sungil Park, Michel Kenzelmann, A. Brooks Harris, Jürg Schefer, Jaeho Chung, Charles F. Majkrzak, Masayasu Takeda, Shuichi Wakimoto, Soonyong Park, Sangwook Cheong, Masaaki Matsuda, Hisamichi Kimura, Yukio Noda, and Kazuhisa Kakurai

Nonradiative Recombination of Excitons in Carbon Nanotubes Mediated by Free Charge Carriers, Jesse M. Kinder and Eugene J. Mele

The Role of Microtubule Movement in Bidirectional Organelle Transport, Igor M. Kulic, Andre E.X Brown, Hwajin Kim, Comert Kural, Benjamin Blehm, Paul R. Selvin, Philip C. Nelson, and Vladimir I. Gelfand

Reversible Plastic Events in Amorphous Materials, Micah Lundberg, Kapilanjan Krisham, Ning Xu, Corey S. O'Hern, and Michael Dennin

Carbon Nanotubes in Helically Modulated Potentials, P. J. Michalski and Eugene J. Mele

Geometrical Frustration in Two Dimensions: Idealizations and Realizations of a Hard-Disk Fluid in Negative Curvature, Carl D. Modes and Randall Kamien

Projectile Interactions in Granular Impact Cratering, E. L. Nelson, Hiroaki Katsuragi, Patrick Mayor, and Douglas J. Durian

Dynamic Topology in Spatiotemporal Chaos, Nicholas T. Ouellette and Jerry P. Gollub

Detecting Topological Features of Chaotic Fluid Flow, Nicholas T. Ouellette and Jerry P. Gollub

Transport of Finite-Sized Particles in Chaotic Flow, Nicholas T. Ouellette, P.J. J. O'Malley, and Jerry P. Gollub

Motion of the Acoustic Peak in the Correlation Function, Robert E. Smith, Román Scoccimarro, and Ravi K. Sheth

Analytic Model for the Bispectrum of Galaxies in Redshift Space, Robert E. Smith, Ravi K. Sheth, and Román Scoccimarro

Anomalous Elasticity in Nematic and Smectic Elastomer Tubule Phases, Olaf Stenull

Smectic-*C* Tilt Under Shear in Smectic-*A* Elastomers, Olaf Stenull, Thomas C. Lubensky, J. M. Adams, and Mark Warner

Theory of High-Force DNA Stretching and Overstretching, Cornelis Storm and Philip C. Nelson

Energy of *K*-Momentum Dark Excitons in Carbon Nanotubes by Optical Spectroscopy, Omar N. Torrens, Ming Zheng, and James M. Kikkawa

Casimir Effect for Massless Fermions in One Dimension: A Force-Operator Approach, Dina Zhabinskaya, Jesse M. Kinder, and Eugene J. Mele

#### Papers from 2007

Topological Persistence and Dynamical Heterogeneities Near Jamming, Adam Ross Abate and Douglas Durian

Avalanche Statistics and Time-Resolved Grain Dynamics for a Driven Heap, Adam Ross Abate, Hiroaki Katsuragi, and Douglas J. Durian

Evaluating Dark Energy Probes Using Multidimensional Dark Energy Parameters, Andreas Albrecht and Gary Bernstein

Comparing Flow Thresholds and Dynamics for Oscillating and Inclined Granular Layers, Sebastien Aumaitre, Conor Puls, Jim N. McElwaine, and Jerry P. Gollub

Standardized Platform for Coregistration of Noncurrent Diffuse Optical and Magnetic Resonance Breast Images Obtained in Different Geometries, Fred S Azar, Kijoon Lee, Ali Khamene, Regine Choe, Alper Corlu, Soren D Konecky, Frank Sauer, and Arjun G. Yodh

Elementary Simulation of Tethered Brownian Motion, John F. Beausang, Chiara Zurla, Laura Finzi, Luke Sullivan, and Philip C. Nelson

DNA Looping Kinetics Analyzed Using Diffusive Hidden Markov Model, John F. Beausang, Chiara Zurla, Carlo Manzo, David Dunlap, Laura Finzi, and Philip Nelson

Diﬀusive Hidden Markov Model Characterization of DNA Looping Dynamics in Tethered Particle Experiments, John Beausang and Philip C. Nelson

Nonequilibrium Statistical Mechanics of Dividing Cell Populations, Naama Brenner and Yair Shokef

New Ekpyrotic Cosmology, Evgeny I. Buchbinder, Justin Khoury, and Burt A. Ovrut

Fluctuations and Rheology in Active Bacterial Suspensions, Daniel T.N. Chen, Andy C.W. Lau, Lawrence A. Hough, Mohammad F. Islam, Mark Goulian, Thomas C. Lubensky, and Arjun G. Yodh

Computation of D-brane instanton induced superpotential couplings: Majorana masses from string theory, Mirjam Cvetič, Robert Richter, and Timo Weigand

Electric-Magnetic Duality and Deformations of Three-Dimensional Conformal Field Theories, Sebastian de Haro and Peng Gao

Shape and Erosion of Pebbles, Douglas Durian, H. Bideaud, P. Duringer, A. P. Schröder, and C. M. Marques

Novel Defect Structures in Nematic Liquid Crystal Shells, Alberto Fernández-Nieves, Vincenzo Vitelli, Andrew S. Utada, Darren R. Link, Manuel Márquez, David R. Nelson, and David A. Weitz

Comment on ‘‘Predicting Narrow States in the Spectrum of a Nucleus beyond the Proton Drip Line’’, H Terry Fortune and Rubby Sherr

Two-Proton Decay Energy and Width of ^{19}Mg(g.s.), H. Terry Fortune and Rubby Sherr

Topological Insulators with Inversion Symmetry, Liang Fu and Charles L. Kane

Topological Insulators in Three Dimensions, Liang Fu, Charles L. Kane, and Eugene J. Mele

Branching, Capping, and Severing in Dynamic Actin Structures, Anjay Gopinathan, Kun-Chun Lee, Jennifer Schwarz, and Andrea J. Liu

Perturbative Antibrane Potentials in Heterotic M Theory, James Gray, Andre Lukas, and Burt A. Ovrut

Flux, Gaugino Condensation, and Antibranes in Heteroic M Theory, James Gray, André Lukas, and Burt A. Ovrut

Landau Analysis of the Symmetry of the Magnetic Structure and Magnetoelectric Interaction in Multiferroics, A. Brooks Harris

Landau Analysis of the Symmetry of the Magnetic Structure and Magnetoelectric Interaction in Multiferroics, A. Brooks Harris

Monte Carlo Study of Crystalline Order and Defects on Weakly Curved Surfaces, Alexander Hexemer, Vincenzo Vitelli, Edward J. Kramer, and Glen H. Fredrickson

Why is Random Close Packing Reproducible?, Randal D. Kamien and Andrea J. Liu

Direct Transition From a Disordered to a Multiferroic Phase on a Triangular Lattice, Michel Kenzelmann, Gavin J. Lawes, A. Brooks Harris, Goran Gašparović, Collin L. Broholm, Arthur P. Ramirez, Guillermo A. Jorge, Marcelo Jaime, Sungil Park, Qingzhen Huang, Alex Ya Shapiro, and L. A. Demianets

Formation of Subgap States in Carbon Nanotubes Due to a Local Transverse Electric Field, Jesse M. Kinder and Eugene J. Mele

Equation of State of Looped DNA, Igor M. Kulić, Hervé Mohrbach, Rochish Thaokar, and Helmut Schiessel

Hitchhiking Through the Cytoplasm, Igor M. Kulić and Philip C. Nelson

State-Dependent Diffusion: Thermodynamic Consistency and its Path Integral Formulation, Andy W.C. Lau and Tom C. Lubensky

Mesons and Flavor on the Conifold, Thomas S. Levi and Peter Ouyang

Giant Dielectric Permittivity and Magnetocapacitance in La_{0.875}Sr_{0.125}MnO_{3} Single Crystals, R. F. Mamin, Takeshi Egami, Zsolt Marton, and S. A. Migachev

Continuum Theory for Piezoelectric Response of Chiral Nanotubes Under Uniaxial and Torsional Stresses, Paul Joseph Michalski and Eugene J. Mele

Continuum Theory for Piezoelectric Response of Chiral Nanotubes Under Uniaxial and Torsional Stresses, Paul Joseph Michalski and Eugene J. Mele

Hard Disks on the Hyperbolic Plane, Carl D. Modes and Randall D. Kamien

Bond-Order Potential for Simulations of Extended Defects in Tungsten, Matous Mrovec, Roman Gröger, Aimee Gotway Bailey, Duc Nguyen-Manh, Christian Elsässer, and Vaclav Vitek

Curvature Fields, Topology, and the Dynamics of Spatiotemporal Chaos, Nicholas T. Ouellette and Jerry P. Gollub

Triply Periodic Smectic Liquid Crystals, Christian D. Santangelo and Randal D. Kamien

Geometric Theory of Columnar Phases on Curved Substrates, Christian D. Santangelo, Vincenzo Vitelli, Randal D. Kamien, and David R. Nelson

Scale Dependence of Halo and Galaxy Bias: Effects in Real Space, Robert E. Smith, Román Scoccimarro, and Ravi K. Sheth

Helical Tubes in Crowded Environments, Yehuda Snir and Randal D. Kamien

Dynamics of Smectic Elastomers, Olaf Stenull and Tom C. Lubensky

Unconventional Elasticity in Smectic-*A* Elastomers, Olaf Stenull and Tom C. Lubensky

Neutron Vibrational Spectroscopy and First-Principles Calculations of the Ternary Hydrides Li_{4}Si_{2}H(D) and Li_{4}Ge_{2}H(D): Electronic Structure and Lattice Dynamics, Hui Wu, Wei Zhou, Terrence J. Udovic, John J. Rush, Tanner Yildirim, Michael R. Hartman, Robert C. Bowman Jr., and John J. Vajo

Structure and Interstitial Deuterium site of ß-phase ZrNi Deuteride, Hui Wu, Wei Zhou, Terrence J. Udovic, John J. Rush, Tanner Yildirim, Qingzhen Huang, and Robert C. Bowman Jr.

Excess Vibrational Modes and the Boson Peak in Model Glasses, Ning Xu, Matthieu Wyart, Andrea J. Liu, and Sidney R. Nagel

Semisoft Nematic Elastomers and Nematics in Crossed Electric and Magnetic Fields, Fangfu Ye, Ranjan Mukhopadhyay, Olaf Stenull, and Tom C. Lubensky

Diffuse Optical Monitoring of Blood Flow and Oxygenation in Human Breast Cancer During Early Stages of Neoadjuvant Chemotherapy, Chao Zhou, Regine Choe, Natasha Shah, Turgut Durduran, Guoqiang Yu, Amanda Durkin, David Hsiang, Rita Mehta, John Butler, Albert Cerussi, Bruce J. Tromberg, and Arjun G. Yodh

#### Papers from 2006

Approach to Jamming in an Air-Fluidized Granular Bed, Adam Ross Abate and Douglas J. Durian

Higgs Sector in Extensions of the Minimal Supersymmetric Standard Model, Vernon Barger, Paul Langacker, Hye-Sung Lee, and Gabe Shaughnessy