نتایج جستجو برای: chiral media

تعداد نتایج: 317554  

2006
Akinori Nishino Tetsuo Deguchi

The loop algebra L(sl2) symmetry is found in a sector of the nilpotent BazhanovStroganov model. The Drinfeld polynomial of a L(sl2)-degenerate eigenspace of the model is equivalent to the polynomial [4, 5, 10–14] which characterizes a subspace with the Isinglike spectrum of the superintegrable chiral Potts model.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده حقوق 1391

/media/oct 8 2012/چکیده.doc/media/oct 8 2012/چکیده.pdf

Journal: :Chemical communications 2010
Weiwei Wang Quanrui Wang

The fluorinated dendritic chiral mono-N-tosylated 1,2-diphenylethlenediamine, FTsDPEN, has been synthesized and applied in the ruthenium(ii) complex-catalyzed asymmetric transfer hydrogenation of prochiral ketones in aqueous media.

2017
Gong Chen Sang Pyo Kang Colin Ophus Alpha T N'Diaye Hee Young Kwon Ryan T Qiu Changyeon Won Kai Liu Yizheng Wu Andreas K Schmid

Chiral spin textures in ultrathin films, such as skyrmions or chiral domain walls, are believed to offer large performance advantages in the development of novel spintronics technologies. While in-plane magnetized films have been studied extensively as media for current- and field-driven domain wall dynamics with applications in memory or logic devices, the stabilization of chiral spin textures...

2001
António L. Topa Carlos R. Paiva Afonso M. Barbosa

This paper treats electromagnetic wave propagation in anisotropic, chiral and pseudochiral 3D structures. The analysis is focused on radiation and leakage behavior and includes a discussion of the effect of the media parameters on the electromagnetic characteristics of these structures.

Journal: :Journal of biomedical optics 2002
Kevin C Hadley I Alex Vitkin

The polarization properties of light scattered in a lateral direction from turbid media were studied. Polarization modulation and synchronous detection were used to measure, and Mueller calculus to model and derive, the degrees of surviving linear and circular polarization and the optical rotation induced by turbid samples. Polystyrene microspheres were used as scatterers in water solutions con...

Journal: :amirkabir international journal of electrical & electronics engineering 2015
a.n. askarpour y. zhao a. alù

an important property of electromagnetic fields, which arises from the interaction between fields and chiral molecules, is called optical chirality. by enhancing this field property, while maintaining constant input power, we are able to increase absorption of circularly polarized light by chiral molecules of a certain handedness. this enhancement is achieved through the use of achiral plasmoni...

2017
Sean P. Rodrigues Shoufeng Lan Lei Kang Yonghao Cui Patrick W. Panuski Shengxiang Wang Augustine M. Urbas Wenshan Cai

Chiral media exhibit optical phenomena that provide distinctive responses from opposite circular polarizations. The disparity between these responses can be optimized by structurally engineering absorptive materials into chiral nanopatterns to form metamaterials that provide gigantic chiroptical resonances. To fully leverage the innate duality of chiral metamaterials for future optical technolo...

2010
Costas M. Soukoulis

After the prediction that strong enough optical activity may result in negative refraction and negative reflection, more and more artificial chiral metamaterials were designed and fabricated at difference frequency ranges from microwaves to optical waves. Therefore, a simple and robust method to retrieve the effective constitutive parameters for chiral metamaterials is urgently needed. Here, we...

A common approach in resolving enantiomers of chiral basic drugs by capillary electrophoresis (CE) is to use cyclodextrins (especially their anionic derivatives) as chiral selector in the acidic buffer (pH ≤ 3) in normal or reversed (carrier) mode. Then, some organic modifiers are added to the buffer solution if the resolution is not satisfactory. In case of cetirizine (CTN), applying the same ...

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