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相关论文: Enantio-discrimination via light deflection effect

200 篇论文

We propose to discriminate chiral molecules by combining one- and two-photon processes in a closed-loop configuration. The one-photon-coupling intrinsic {\pi}-phase difference between two enantiomers leads to their different superposition…

量子物理 · 物理学 2020-02-20 Jin-Lei Wu , Yan Wang , Jie Song , Yan Xia , Shi-Lei Su , Yong-Yuan Jiang

The Fermat principle is advocated to be a convenient tool to analyze the light propagation in a curved space time. It is shown that in the weak deflection regime the light ray trajectories can be systematically described by applying the…

广义相对论与量子宇宙学 · 物理学 2025-04-03 Joanna Piwnik , Joanna Gonera , Piotr Kosinski

Chirality is ubiquitous in nature and fundamental in science, from particle physics to metamaterials.The most established technique of chiral discrimination - photoabsorption circular dichroism - relies on the magnetic properties of a…

We study the angular deflection of the circular polarized components of a linearly polarized probe field in a weakly birefringent atomic system in tripod configuration. A spatially inhomogeneous control field incident obliquely onto an…

量子物理 · 物理学 2016-12-06 Pardeep Kumar , Shubhrangshu Dasgupta

In high-contrast space-based coronagraphs, one of the main limiting factors for imaging the dimmest exoplanets is the time varying nature of the residual starlight (speckles). Modern methods try to differentiate between the intensities of…

天体物理仪器与方法 · 物理学 2019-09-04 Leonid Pogorelyuk , N. Jeremy Kasdin , Clarence W. Rowley

We model energy transfer between two coupled four-level chromophores with arbitrarily spaced energy levels. Our analysis takes into account the crucial---yet often ignored---process of initial excitation by light that is incident on the…

量子物理 · 物理学 2012-02-17 Chi-Han Chang , Agata M. Branczyk , Gregory D. Scholes , Daniel F. V. James

Single-loop cyclic three-level ($\Delta$-type) configuration of chiral molecules was used for enantio-separation in many theoretical works. Considering the effect of molecular rotation, this simple single-loop configuration is generally…

量子物理 · 物理学 2018-12-12 Chong Ye , Quansheng Zhang , Yong Li

From the beginning of molecular theory, the interplay of chirality and magnetism has intrigued scientists. There is still the question if enantiospecific adsorption of chiral molecules occurs on magnetic surfaces. Enantiomer discrimination…

Inspired by a sea creature, we identify a robust chiral optical force that pushes the opposite enantiomers of a chiral molecule towards regions of orthogonal linear polarization in an optical field via electric dipole interactions. Our…

Circular dichroism (CD) is in widespread use as a means of determining enantiomeric excess. We show how slow-light phenomena in dispersive structured media allow for a reduction in the required optical path length of an order of magnitude.…

光学 · 物理学 2007-11-19 Jesper Pedersen , Niels Asger Mortensen

We concisely derive chiral magnetic effect through Wigner function approach for chiral fermion system. Then we derive chiral magnetic effect through solving the Landau levels of chiral fermions in detail. The procedures of second…

高能物理 - 理论 · 物理学 2020-08-26 Ren-Da Dong , Ren-Hong Fang , De-Fu Hou , Duan She

Strong enhancement of molecular circular dichroism has the potential to enable efficient asymmetric photolysis, a method of chiral separation that has conventionally been impeded by insufficient yield and low enantiomeric excess. Here, we…

Spectroscopic techniques that are sensitive to molecular chirality are important analytical tools to quantitatively determine enantiomeric excess and purity of chiral molecular samples. Many chiroptical processes however produce weak…

化学物理 · 物理学 2026-04-02 Sebastian Hartweg , Dusan k. Bozanic , Gustavo A. Garcia-Macias , Laurent Nahon

A novel approach for the state-specific enantiomeric enrichment and the spatial separation of enantiomers is presented. Our scheme utilizes techniques from strong-field laser physics, specifically an optical centrifuge in conjunction with a…

化学物理 · 物理学 2019-12-18 Andrey Yachmenev , Jolijn Onvlee , Emil Zak , Alec Owens , Jochen Küpper

We use the perturbative method to study the influence of the magnetic field on the weak deflection angle of charged signals in magnetized stationary and axisymmetric spacetimes within general electromagnetic potentials. The deflection angle…

广义相对论与量子宇宙学 · 物理学 2025-01-08 Qianchuan Wang , Junji Jia

We study Chiral Based Electromagnetically Induced Transparency (CBEIT) of a light pulse and its associated subluminal and superluminal behavior through a cold and a hot medium of 4-level \textit{double-Lambda type} atomic system. The…

量子物理 · 物理学 2014-01-21 Bakht A Bacha , Fazal Ghafoor , Rashid G Nazmidinov

Light is one of the most powerful and precise tools allowing us to control, shape and create new phases of matter. In this task, the magnetic component of a light wave has so far played a unique role in defining the wave's helicity, but its…

Chiral molecules are instrumental for molecular recognition in living organisms. Distinguishing between two opposite enantiomers, the mirror twins of the same chiral molecule, is both vital and challenging. Photoelectron circular dichroism…

化学物理 · 物理学 2021-12-07 Andres F. Ordonez , David Ayuso , Piero Decleva , Olga Smirnova

We apply effective field theory methods to compute bino-nucleon scattering, in the case where tree-level interactions are suppressed and the leading contribution is at loop order via heavy flavor squarks or sleptons. We find that leading…

高能物理 - 唯象学 · 物理学 2016-05-31 Asher Berlin , Denis S. Robertson , Mikhail P. Solon , Kathryn M. Zurek

Chiral discrimination that is efficient to tiny amounts of chiral substances, especially at the single-molecule level, is highly demanded. Here, we propose a single-shot nondestructive quantum sensing method addressing such an issue. Our…

量子物理 · 物理学 2023-10-05 Chong Ye , Yifan Sun , Yong Li , Xiangdong Zhang