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Related papers: Long- and Short-Ranged Chiral Interactions in DNA …

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Chiroptical spectroscopy provides a non-invasive, label-free approach for resolving microscopic structural details via interactions with circularly polarized light. Despite the widespread application and complementary information provided…

Chirality introduces intriguing topological, electronic, and spin-optronic properties to molecules and solids. In this work, we provide a quantitative metric for the degree of chirality in solids, independent of the type of system and the…

Materials Science · Physics 2025-09-18 Andrew Grieder , Shihao Tu , Yuan Ping

Inducing chirality in optically and electronically active materials is interesting for applications in sensing and quantum information transmission. Two-dimensional (2D) transition metal chalcogenides (TMDs) possess excellent electronic and…

Materials Science · Physics 2024-04-11 Ye Wang , Yiru Zhu , Han Yan , Yang Li , Yan Wang , Manish Chhowalla

Supramolecular assemblies of lander molecules (C$_{90}$H$_{98}$) on Cu(100) are investigated with low-temperature scanning tunneling microscopy. The energetically most favourable conformation of the adsorbed molecule is found to exist in…

Other Condensed Matter · Physics 2009-11-10 J. Kuntze , X. Ge , R. Berndt

Circular dichroism (CD) is an intriguing chiroptical phenomenon associated with the interaction of chiral structures with circularly polarized lights. Although the CD effect has been extensively studied in optics, it has not yet been…

Applied Physics · Physics 2023-06-21 Qing Tong , Jensen Li , Shubo Wang

Structured light enables the characterization of chirality of optically small nanoparticles by taking advantage of the helicity maximization concept recently introduced in[1]. By referring to fields with nonzero helicity density as chiral…

Applied Physics · Physics 2020-11-04 Mina Hanifeh , Mohammad Albooyeh , Filippo Capolino

DNA and proteins are chiral: their three-dimensional structure cannot be superimposed with its mirror image. Circular dichroism spectroscopy is widely used to characterize chiral compounds, but data interpretation is difficult in the case…

Biomolecules · Quantitative Biology 2020-09-09 Steven Daly , Frederic Rosu , Valerie Gabelica

Superchiral field is highly important for ultrasensitive detection of chiral objects and has been intensively explored. Despite the progress, the construction of electromagnetic field in achiral nanostructures with giant chirality (C) is…

Optics · Physics 2025-09-19 Hamdi Barkaoui , Kang Du , Yimu Chen , Shumin Xiao , Qinghai Song

Chirality refers to a geometric phenomenon in which objects are not superimposable on their mirror image. Structures made of nano-scale chiral elements can display chiroptical effects, such as dichroism for left- and right- handed…

Optics · Physics 2020-02-25 Behrooz Semnani , Jeremy Flannery , Rubayet Al Maruf , Michal Bajcsy

The presence of chirality in the main molecules of life may well be not just a structural artifact, but of pure biological advantage. The possibility of the existence of a phenomenon of a special mode of interaction, labeled as "chiral…

Biological Physics · Physics 2007-05-23 G. Gilat

Emergence of collective dynamical chirality (CDC) at mesoscopic scales plays a key role in many formation processes of chiral structures in nature, which may also provide possible routines for people to fabricate complex chiral…

Soft Condensed Matter · Physics 2017-02-15 Huijun Jiang , Huai Ding , Mingfeng Pu , Zhonghuai Hou

Chirality describes the asymmetry between an object and its mirror image and manifests itself in diverse functionalities across all scales of matter - from molecules and aggregates to thin films and bulk chiral materials. A particularly…

Dynamic control of circular dichroism in photonic structures is critically important for compact spectrometers, stereoscopic displays, and information processing exploiting multiple degrees of freedom. Metasurfaces can help miniaturize…

Structural chirality plays an important role in solid state physics and leads to a variety of novel physics. The feasibility of probing structural chirality of crystals using high harmonic generation in solids is explored in this work.…

Optics · Physics 2020-05-15 Zi-Yu Chen , Rui Qin

The interplay of electrons with a chiral medium has a diverse impact across science and technology, influencing drug separation, chemical reactions, and electronic transport. In particular, such electronchirality interactions can…

Mesoscale and Nanoscale Physics · Physics 2024-08-23 Anil Kumar Singh , Kevin Martin , Maurizio Mastropasqua Talamo , Axel Houssin , Nicolas Vanthuyne , Narcis Avarvari , Oren Tal

Optical chirality density is a measure of the local handedness of electromagnetic fields. Like energy density, it may be absorbed or scattered through the interaction between light and matter. Here, we utilize the conservation of optical…

The practical applications of chiral discrimination are usually limited by the weak chiral response of enantiomers and the high complexity of detection methods. Here, we propose to use the C lines (i.e., lines of polarization singularities)…

Optics · Physics 2022-03-22 Shiqi Jia , Jie Peng , Yuqiong Cheng , Shubo Wang

Advanced photonic nanostructures have enabled the maximization of synthetic chiroptic activities. The unique structuring of these building blocks has empowered chiral selective interactions with electromagnetic waves in plasmonic structures…

Due to the mirror symmetry breaking, chiral structures show fantastic electromagnetic (EM) properties involving negative refraction, giant optical activity, and asymmetric transmission. Aligned electric and magnetic dipoles excited in…

Classical Physics · Physics 2019-08-26 Menglin L. N. Chen , Li Jun Jiang , Wei E. I. Sha , Wallace C. H. Choy , Tatsuo Itoh

Chiroptical responses in atomic systems are usually weak, as they arise from the interference between electric- and much weaker magnetic-dipole transitions. We show that atoms arranged in chiral geometries can instead exhibit a strong…

Atomic Physics · Physics 2026-02-18 Marcella L. Xavier , Felipe A. Pinheiro , Romain Bachelard