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Related papers: Chiral Rotational Spectroscopy

200 papers

Adopting the fully quantal triaxial particle rotor model, the candidate chiral doublet bands in odd-$A$ nuclei $^{103}$Rh and $^{105}$Rh with $\pi g_{9/2}^{-1}\otimes\nu h^{2}_{11/2}$ configuration are studied. For the doublet bands in both…

Nuclear Theory · Physics 2011-03-22 B. Qi , S. Q. Zhang , S. Y. Wang , J. Meng , T. Koike

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…

Chirality in condensed matter is now a topic of the utmost importance because of its significant role in the understanding and mastering of a large variety of new fundamental physicals mechanisms. Versatile experimental approaches, capable…

Chiral objects rotate when placed in a collimated flow or wind. We exploit this hydrodynamic intuition to construct a tensorial chirality measure for rigid filaments and curves. This tensor is trace-free, so if a curve has a right-handed…

Soft Condensed Matter · Physics 2020-04-23 Giovanni Dietler , Robert Kusner , Wöden Kusner , Eric Rawdon , Piotr Szymczak

Spin polarization in chiral molecules is a magnetic molecular response associated with electron transport and enantioselective bond polarization that occurs even in the absence of an external magnetic field. An unexpected finding by Santos…

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

We show that the stacks of two-dimensional semiconductor crystals with the chiral packing exhibit optical activity and circular dichroism. We develop a microscopic theory of these phenomena in the spectral range of exciton transitions which…

Mesoscale and Nanoscale Physics · Physics 2017-11-17 Alexander V. Poshakinskiy , Dmitrii R. Kazanov , Tatiana V. Shubina , Sergey A. Tarasenko

Bound states in the continuum (BICs), which are confined optical modes exhibiting infinite quality factors and carrying topological polarization configurations in momentum space, have recently sparked significant interest across both…

Optics · Physics 2024-07-23 Xingqi Zhao , Jiajun Wang , Wenzhe Liu , Zhiyuan Che , Xinhao Wang , C. T. Chan , Lei Shi , Jian Zi

The introduction of either a central layer defect or a central twist defect in a periodic structurally chiral material generates circular-polarization-sensitive spectral holes in the remittance spectrums for normally incident plane waves.…

Optics · Physics 2019-08-28 Fei Wang , Akhlesh Lakhtakia

We consider a model for the cyclic activity of young binary stars that accrete matter from the remnants of a protostellar cloud. If the orbit of such a binary system is inclined at a small angle to the line of sight, then the streams of…

Solar and Stellar Astrophysics · Physics 2011-04-12 T. Demidova , N. Sotnikova , V. Grinin

Chiral circularly polarized (CP) light is central to many photonic technologies, from optical communication of spin information to novel display and imaging technologies. As such, there has been significant effort in the development of…

Materials Science · Physics 2023-07-25 Li Wan , Yizhou Liu , Matthew J. Fuchter , Binghai Yan

Resonant elastic soft x-ray magnetic scattering (XRMS) is a powerful tool to explore long-periodic spin textures in single crystals. However, due to the limited momentum transfer range imposed by long wavelengths of photons in the soft…

Materials Science · Physics 2022-10-03 V. Ukleev , C. Luo , R. Abrudan , A. Aqeel , C. H. Back , F. Radu

We demonstrate a fiber-integrated quantum optical circulator that is operated by a single atom and that relies on the chiral interaction between emitters and transversally confined light. Like its counterparts in classical optics, our…

Quantum Physics · Physics 2017-01-04 Michael Scheucher , Adèle Hilico , Elisa Will , Jürgen Volz , Arno Rauschenbeutel

Quantifying the optical chirality of a sample requires the precise measurement of the rotation of the plane of linear polarisation of the transmitted light. Central to this notion is that the sample needs to be exposed to light of a defined…

Quantum Physics · Physics 2022-08-18 S. Restuccia , G. M. Gibson , L. Cronin , M. J. Padgett

We propose a chiral imaging modality based on optical chirality engineering, fluorescence-detected circular dichroism and structured illumination microscopy. In this method, the optical chirality of the illumination is structured and the…

Chiroptical signals, optical responses sensitive to molecular handedness, are rapidly suppressed by multiple scattering, fundamentally limiting their use in turbid media. Here we show that coupling molecular chirality to the topological…

Optics · Physics 2026-02-18 Igor Meglinski , Anton Sdobnov , Alexander Bykov

Quantum spin liquids are fascinating phases of matter, hosting fractionalized spin excitations and unconventional long-range quantum entanglement. These exotic properties, however, also render their experimental characterization…

Strongly Correlated Electrons · Physics 2022-09-20 Wilhelm Kadow , Laurens Vanderstraeten , Michael Knap

Detection of chiral molecules requires amplification of chirality to measurable levels. Typically, amplification mechanisms are considered at the microscopic scales of individual molecules and their aggregates. Here we demonstrate chirality…

Soft Condensed Matter · Physics 2015-07-28 Chenhui Peng , Oleg D. Lavrentovich

Chiral spin textures are researched widely in condensed matter systems and show potential for spintronics and storage applications. Along with extensive condensed-matter studies of chiral spin textures, photonic counterparts of these…

Optics · Physics 2021-12-14 Peng Shi , Luping Du , Mingjie Li , Xiaocong Yuan

We report for the first time the theory of optical tweezers of spherical dielectric particles embedded in a chiral medium. We develop a partial-wave (Mie) expansion to calculate the optical force acting on a dielectric microsphere…

Optics · Physics 2020-09-28 Rfaqat Ali , R. S. Dutra , F. A. Pinheiro , F. S. S. Rosa , P. A. Maia Neto