English
Related papers

Related papers: On the Microscopic Origin of Cholesteric Pitch

200 papers

Inspired by the observations of a remarkably stable biaxial nematic phase [E.v.d. Pol et al., Phys. Rev. Lett. 103, 258301 (2009)], we investigate the effect of size polydispersity on the phase behavior of a suspension of boardlike…

Soft Condensed Matter · Physics 2015-05-28 S. Belli , A. Patti , M. Dijkstra , R. van Roij

Molecular chirality is critical to biochemical function, but it is unknown when chiral selectivity first became important in the evolutionary transition from geochemistry to biochemistry during the emergence of life. Here, we identify key…

Molecular Networks · Quantitative Biology 2025-05-05 John F. Malloy , Camerian Millsaps , Kamesh Narasimhan , Louie Slocombe , Cole Mathis , Leroy Cronin , Sara Imari Walker

Active matter has played a pivotal role in advancing our understanding of non-equilibrium systems, leading to a fundamental shift in the study of biophysical phenomena. The foundation of active matter research is built on assumptions…

Soft Condensed Matter · Physics 2025-06-09 Varun Venkatesh , Niels de Graaf Sousa , Amin Doostmohammadi

The article seeks to formulate a synergetic law that is posited to be of common physicochemical and biological nature: an evolving system, possessing free energy and elements with chiral asymmetry may change the type of symmetry inside one…

Adaptation and Self-Organizing Systems · Physics 2012-12-10 Vsevolod A. Tverdislov

We study the effect of random porous matrices on the ordering in nematic liquid crystals. The randomness destroys orientational lang-range order and drives the liquid crystal into a glass state. We predict two glass phases one of which…

Disordered Systems and Neural Networks · Physics 2009-10-31 D. E. Feldman

The discovery of the chiral induced spin selectivity effect has provided a novel tool to study how active physical and chemical mechanism may differ in chiral enantiomers, however, the origin of the effect itself is yet an open question. In…

Mesoscale and Nanoscale Physics · Physics 2026-04-17 J. Fransson

Chirality in superconductor-ferromagnet hybrids strongly influences phenomena such as the observable signatures of long-range triplet superconductivity, but its microscopic origin in nominally centrosymmetric ferromagnets is still unclear.…

Chirality-induced spin selectivity (CISS), a phenomenon wherein chiral structures selectively determine the spin polarization of electron currents flowing through the material, has garnered significant attention due to its potential…

Mesoscale and Nanoscale Physics · Physics 2025-10-08 Börge Göbel , Lennart Schimpf , Ingrid Mertig

Ferroelectric nematic liquid crystals are formed by achiral molecules with large dipole moments. Its three-dimensional orientational order is universally described as unidirectionally polar. We demonstrate that the ground state of…

Soft Condensed Matter · Physics 2024-04-01 Priyanka Kumari , Bijaya Basnet , Maxim O. Lavrentovich , Oleg D. Lavrentovich

Chirality is a fundamental organizing principle of correlated and topological states. In quantum magnets, chirality arises from the geometric twisting of spins and serves as an emergent source of Berry curvature and quantum metrics.…

We investigate the interplay between chirality and confinement in harmonically trapped active particles. The circular character of chiral motion combines with the radial symmetry of the potential to create distinctive non-equilibrium…

Soft Condensed Matter · Physics 2026-03-23 Hrithik Barman

This study investigates the influence of chirality, viscous effects, and confinement geometry on the flow dynamics and defect structures of cholesteric liquid crystals (CLCs) using numerical simulations. As chiral strength increases,…

Soft Condensed Matter · Physics 2025-09-05 Isreal Morawo , Dana Grecov

We construct a new order parameter from the normal modes of vibration, based on the consideration of energy equipartition, to quantify the structural heterogeneity in disordered solids. The order parameter exhibits strong spatial…

Soft Condensed Matter · Physics 2014-07-28 Hua Tong , Ning Xu

Strong effects of the Faraday instability on suspensions of rodlike colloidal particles are reported through measurements of the critical acceleration and of the surface wave amplitude. We show that the transition to parametrically excited…

Soft Condensed Matter · Physics 2013-01-30 Pierre Ballesta , M. Paul Lettinga , Sebastien Manneville

Here we review a universal model for chirally induced spin-selectivity (CISS) as a standalone effect occurring in chiral molecules. We tie together the results of forward scattering in the gas phase to the results for photoelectrons in…

Mesoscale and Nanoscale Physics · Physics 2024-06-24 Miguel Mena , Solmar Varela , Bertrand Berche , Ernesto Medina

Chirality is a fundamental property of great importance in physics, chemistry, and biology, and has recently been found to generate unexpected spin polarization for electrons passing through organic molecules, known as chirality-induced…

Mesoscale and Nanoscale Physics · Physics 2024-01-25 Qun Yang , Yongkang Li , Claudia Felser , Binghai Yan

I describe new phases of a chiral liquid crystal with nematic and hexatic order. I find a conical phase, similar to that of a cholesteric in an applied magnetic field for Frank elastic constants $K_2>K_3$. I discuss the role of fluctuations…

Condensed Matter · Physics 2009-10-28 Randall D. Kamien

The generation of high-order harmonics in a medium of chiral molecules driven by intense bi-elliptical laser fields can lead to strong chiroptical response in a broad range of harmonic numbers and ellipticities [D. Ayuso et al, J. Phys. B…

Optics · Physics 2018-07-04 David Ayuso , Piero Decleva , Serguei Patchkovskii , Olga Smirnova

Symmetry is one of the most beautiful yet mysterious concepts in science. In chemical systems, presence of local symmetries at specific fragments often serve as driving forces behind many physicochemical properties, including stability,…

Chemical Physics · Physics 2026-03-23 Duc Anh Lai , Devin A. Matthews

We theoretically investigate the combined effects of the chirality and the finite total thickness of nematic cholesteric liquid crystals on the Casimir-Lifshitz torque. We find that, the larger the thickness, the more sinusoidal the angular…

Quantum Physics · Physics 2023-08-02 Wijnand Broer , Rudolf Podgornik