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Bacterial colonies growing on surfaces are shaped by mechanical stresses transmitted through the community, governed by the balance between cell growth and steric and cell-substrate interactions. Using overdamped dynamics simulations of…

Soft Condensed Matter · Physics 2026-01-14 Samaneh Rahbar , Ludger Santen , Reza Shaebani

Understanding interactions between chiral active particles -- self-propelling and self-rotating entities -- is crucial for uncovering how chiral active matter self-organizes into dynamic structures. Although fluctuation-induced forces in…

Soft Condensed Matter · Physics 2025-07-25 Hashem Fatemi , Hamidreza Khalilian , Jalal Sarabadani , M. Reza Shaebani

Sacrificial bonds and hidden length (SBHL) in structural molecules provide a mechanism for energy dissipation at the nanoscale. It is hypothesized that their presence leads to greater fracture toughness than what is observed in materials…

Soft Condensed Matter · Physics 2014-08-05 Wenyi Wang , Ahmed Elbanna

A mechanism for creating an enantioenrichment in the amino acids, the building blocks of the proteins, that involves global selection of one handedness by interactions between the amino acids and neutrinos from core-collapse supernovae is…

Biological Physics · Physics 2015-05-28 R. N. Boyd , T. Kajino , T. Onaka

Many-body interactions in systems of active matter can cause particles to move collectively and self-organize into dynamic structures with long-range order. In cells, the self-assembly of cytoskeletal filaments is critical for cellular…

Soft Condensed Matter · Physics 2020-05-26 Jeffrey M. Moore , Matthew A. Glaser , Meredith D. Betterton

Many of the biological phenomena involve collective dynamics driven by self-propelled motion and nonequilibrium force (i.e., activity) that result in features unexpected from equilibrium physics. On the other hand, biological experiments…

Soft Condensed Matter · Physics 2020-09-08 Lisa Yamauchi , Tomoya Hayata , Masahito Uwamichi , Tomoki Ozawa , Kyogo Kawaguchi

We derive formulae for the electrostatic interaction between two long, rigid macromolecules that may have arbitrary surface charge patterns and cross at an arbitrary interaxial angle. We calculate the dependence of the interaction energy on…

Soft Condensed Matter · Physics 2009-10-31 A. A. Kornyshev , S. Leikin

We present a micro-structurally based finite element model of the human cornea, where we explicitly describe the collagen-crosslink architecture in terms of a trusswork of non-linear struts, and the extracellular proteoglycan matrix in…

Mathematical Physics · Physics 2025-07-02 Christopher Miller , Maria Laura De Bellis , Anna Pandolfi

Using an exact solution for the pair interaction potential, we show that long, rigid, chiral molecules with helical surface charge patterns have a preferential interaxial angle ~((RH)^1/2)/L, where L is the length of the molecules, R is the…

Biological Physics · Physics 2009-10-31 A. A. Kornyshev , S. Leikin

We perform off-lattice, canonical ensemble molecular dynamics simulations of the self-assembly of long segmented copolymers consisting of alternating, tunably attractive and hydrophobic {\em binder} domains, connected by hydrophilic {\em…

Soft Condensed Matter · Physics 2015-07-21 Hamed Mortazavi , Cornelis Storm

We study the phase diagram of an elastic interaction model for spin crossover (SC) materials with antiferromagnetic-like short-range interactions. In this model, the interplay between the short-range interaction and the long-range…

Statistical Mechanics · Physics 2017-11-03 Masamichi Nishino , Seiji Miyashita , Per Arne Rikvold

Chirality transfer from the level of molecular structure up to mesoscopic lengthscales of supramolecular morphologies is a broad and persistent theme in self-assembled soft materials, from biological to synthetic matter. Here, we analyze…

Soft Condensed Matter · Physics 2023-08-08 Ishan Prasad , Abhiram Reddy , Gregory M. Grason

During the life of animals, epithelial tissues undergo extensive deformations--first to form organs during embryogensis and later to preserve integrity and function in adulthood. To what extent these deformations resemble that of non-living…

Soft Condensed Matter · Physics 2025-04-23 Urska Andrensek , Matej Krajnc

The growing interest in the non-equilibrium assembly of colloidal particles in active liquids is driven by the motivation to create novel structures endowed with tunable properties unattainable within the confines of equilibrium systems.…

Soft Condensed Matter · Physics 2024-03-06 Pragya Kushwaha , Sayan Maity , Anjaly S. Menon , Raghunath Chelakkot , Vijayakumar Chikkadi

In this chapter we review our findings on the bonding structure and growth mechanisms of carbon-based thin solid films with fullerene-like (FL) microstructure. The so-called FL arrangements arise from the curvature and cross-linking of…

Materials Science · Physics 2007-06-18 R. Gago , G. Abrasonis , I. Jimenez , W. Moeller

Topological interactions will be generated in theories with compact extra dimensions where fermionic chiral zero modes have different localizations. This is the case in many warped extra dimension models where the right-handed top quark is…

High Energy Physics - Phenomenology · Physics 2010-02-23 Yang Bai , Gustavo Burdman , Christopher T. Hill

Inspired by the complex influence of the globular crosslinking proteins on the formation of biofilament bundles in living organisms, we study and analyze a theoretical model for the structure and thermodynamics of bundles of helical…

Soft Condensed Matter · Physics 2012-01-19 Claus Heussinger , Gregory M. Grason

Anisotropic colloidal particles have the ability to self-assemble into cholesteric structures. We used molecular dynamics to simulate the self-assembly of ellipsoidal particles with the objective to establish a general framework to reveal…

Soft Condensed Matter · Physics 2024-01-08 Jiaxin Hou , William Sampson , Ahu Gümrah Dumanli

We combine small angle scattering experiments and simulations to investigate the internal structure and interactions of composite Poly(N-isopropylacrylamide)-Poly(ethylene glycol) (PNIPAM-PEG) microgels. At low temperatures the…

Bone serves as a remarkable example of nature's architectured material with its unique blend of strength and toughness, all at a lightweight design. Given the hierarchical nature of these materials, it is essential to understand the…