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Preferential selection of a given enantiomer over its chiral counterpart becomes increasingly relevant in the advent of the next era of medical drug design. In parallel, cavity quantum electrodynamics has grown into a solid framework to…

Quantum Physics · Physics 2023-04-14 Christian Schäfer , Denis G. Baranov

A unified treatment for the propagation of classical waves in inhhomogeneous media is proposed. We deal with four kinds of waves, they are the acoustic wave in fluid, the elastic shear wave in two diemnsional solid, and the E- and…

Materials Science · Physics 2007-05-23 Pi-Gang Luan , Tzong-Jer Yang

The geometrical-optics expansion reduces the problem of solving wave equations to one of solving transport equations along rays. Here we consider scalar, electromagnetic and gravitational waves propagating on a curved spacetime in general…

General Relativity and Quantum Cosmology · Physics 2018-06-25 Sam R Dolan

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…

Dynamics and separation of mixed chiral microswimmers are numerically investigated in a channel with regular arrays of rigid half-circle obstacles. For zero shear flow, transport behaviors are the same for different chiral particles: the…

Soft Condensed Matter · Physics 2015-05-12 Bao-quan Ai , Ya-feng He , Wei-rong Zhong

This paper describes continuously phase-modulated standing surface acoustic waves (CPM-SSAW) and its application for particle separation in multiple pressure nodes. A linear change of phase in CPM-SSAW applies a force to particles whose…

Fluid Dynamics · Physics 2017-04-05 Junseok Lee , Chanryeol Rhyou , Byungjun Kang , Hyungsuk Lee

I propose a superoscillation measurement method for subdiffraction incoherent optical sources, with potential applications in astronomy, remote sensing, fluorescence microscopy, and spectroscopy. The proposal, based on coherent optical…

Quantum Physics · Physics 2022-10-10 Mankei Tsang

Recently, two related three wave mixing experiments have been demonstrated that use allowed rotational transitions to produce a free induction decay signal with an amplitude linearly proportional to the enantiomeric excess of a chiral…

Chemical Physics · Physics 2015-01-22 Kevin K. Lehmann

The manipulation and sorting of chiral nanoparticles are of fundamental importance in multidisciplinary fields ranging from biochemistry to nanophotonics. In this study, we propose a novel and controllable chirality sorting mechanism for…

Optics · Physics 2026-04-10 Hao Zhang , Xi Xie , Yijie Shen

The second-order nonlinear optical coefficients associated with chirality differ in sign for the two mirror-image forms (enantiomers) of a chiral material. Structures comprised of alternating stacks of the enantiomers can therefore be used…

Chemical Physics · Physics 2019-05-16 Bertrand Busson , Martti Kauranen , Colin Nuckolls , Thomas Katz , André Persoons

A new method recovers the phase difference of interfering wavefronts from a pattern of interference fringes, avoiding the phase discontinuity problem. The method relies on the numerical solution of one-dimensional first-order ordinary…

Optics · Physics 2024-08-01 V. Berejnov , B. Y. Rubinstein

Quantum metasurfaces, i.e., two-dimensional subwavelength arrays of quantum emitters, can be employed as mirrors towards the design of hybrid cavities, where the optical response is given by the interplay of a cavity-confined field and the…

Quantum Physics · Physics 2024-04-26 Nico S. Bassler , Andrea Aiello , Kai P. Schmidt , Claudiu Genes , Michael Reitz

Here we highlight enantioselective optical gradient forces present in 3D structured optical vortex tweezing systems. One chiral force originates from the circular polarization of the light, while remarkably the other is independent of the…

Optics · Physics 2025-02-05 Kayn A Forbes , Dale Green

Electromagnetic waves propagation on either rotating or anisotropic spacetime backgrounds (such as Kerr and G\"odel metrics, or Bianchi-I metric) produce a reduction of the magnitude of Casimir forces between plates. These curved spacetimes…

General Relativity and Quantum Cosmology · Physics 2021-02-04 Felipe A. Asenjo , Sergio A. Hojman

We theoretically investigate light matter interactions for chiral molecules in the presence of non-chiral nanoantennas. Isotropic nanostructures supporting optical-frequency electric or magnetic dipoles are sufficient to locally enhance the…

Mesoscale and Nanoscale Physics · Physics 2013-06-14 Aitzol Garcia-Etxarri , Jennifer A. Dionne

Superoscillatory wave forms, i.e., waves that locally oscillate faster than their highest Fourier component, possess unusual properties that make them of great interest from quantum mechanics to signal processing. However, the more…

Mathematical Physics · Physics 2016-08-03 Eugene Tang , Lovneesh Garg , Achim Kempf

As a fascinating topological phase of matter, Weyl semimetals host chiral fermions with distinct chiralities and spin textures. Optical excitations involving those chiral fermions can induce exotic carrier responses, and in turn lead to…

Materials Science · Physics 2020-02-07 Y. Gao , Y. Qin , Sahal Kaushik , Evan J. Philip , Y. P. Liu , Y. L. Su , X. Chen , Z. Li , H. Weng , Dmitri E. Kharzeev , M. K. Liu , J. Qi

Today we are witnessing the electric-dipole revolution in chiral measurements. Here we reflect on its lessons and outcomes, such as the perspective on chiral measurements using the complementary principles of "chiral reagent" and "chiral…

Optics · Physics 2022-11-30 David Ayuso , Andres F. Ordonez , Olga Smirnova

We put forward an enantioselective method for chiral nanoparticles using optical tweezers. We demonstrate that the optical trapping force in a typical, realistic optical tweezing setup with circularly-polarized trapping beams is sensitive…

Optics · Physics 2019-11-07 R. Ali , F. A. Pinheiro , F. S. S. Rosa , R. S. Dutra , P. A. Maia Neto

Two different approaches are formulated to analyze two-dimensional quantum models which are not amenable to standard separation of variables. Both methods are essentially based on supersymmetrical second order intertwining relations and…

Mathematical Physics · Physics 2012-04-13 Mikhail V. Ioffe