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It is proposed that strain-induced pseudomagnetic fields in Dirac and Weyl materials could be used as valley and chirality sensitive lenses for beams of Weyl quasiparticles. The study of the (pseudo-)magnetic lenses is performed by using…

Mesoscale and Nanoscale Physics · Physics 2017-07-26 E. V. Gorbar , V. A. Miransky , I. A. Shovkovy , P. O. Sukhachov

We show that radiation pulses from an X-ray Free-Electron Laser (XFEL) with a planar undulator, which are mainly polarized in the horizontal direction, exhibit a suppression of the vertical polarization component of the power at least by a…

Accelerator Physics · Physics 2015-09-30 Gianluca Geloni , Vitali Kocharyan , Evgeni Saldin

Weyl semimetals are crystals in which electron bands cross at isolated points in momentum space. Associated with each crossing point (or Weyl node) is an integer topological invariant known as the Berry monopole charge. The discovery of new…

Mesoscale and Nanoscale Physics · Physics 2020-07-28 Dylan Rees , Kaustuv Manna , Baozhu Lu , Takahiro Morimoto , Horst Borrmann , Claudia Felser , J. E. Moore , Darius H. Torchinsky , J. Orenstein

The propagation of light in Weyl semimetal films is analyzed. The magnetic family of these materials is known by anomalous Hall effect, which, being enhanced by the large Berry curvature, allows one to create strong gyrotropic and…

Mesoscale and Nanoscale Physics · Physics 2019-01-21 O. V. Kotov , Yu. E. Lozovik

Berry curvature in Weyl semimetals results in very intriguing magneto-electric and magneto-thermal transport properties. In this paper, we explore the impact of the tilting of the Weyl nodes, which breaks the time-reversal symmetry, on the…

Mesoscale and Nanoscale Physics · Physics 2019-02-13 Kamal Das , Amit Agarwal

Semiconductor material based on the rad-optic effect enables ultra-fast detection of X-rays and plays an important role in fusion diagnostics. Obtaining the accurate noise equivalent power (NEP) of the semiconductor ultrafast response…

Instrumentation and Detectors · Physics 2022-06-23 Xin Yan , Tao Wang , Gang Wang , Dong Yao , Yiheng Liu , Guilong Gao , Liwei Xin , Fei Yin , Jinshou Tian , Xinlong Chang , Kai He

Despite symmetrical polarization, the magnitude of a light-induced voltage is known to be asymmetric with respect to poling sign in many photovoltaic (PV) ferroelectrics (FEs). This asymmetry remains unclear and is often attributed to…

Materials Science · Physics 2023-06-01 S. Semak , V. Kapustianyk , Yu. Eliyashevskyy , O. Bovgyra , M. Kovalenko , U. Mostovoi , B. Doudin , B. Kundys

Topological physics desires stable methods to measure the polarization singularities in optical vector fields. Here a periodic plasmonic metasurface is proposed to perform divergence computation of vectorial paraxial beams. We design such…

Optics · Physics 2020-09-09 Yijie Lou , Yisheng Fang , Zhichao Ruan

Surface plasmon polaritons in a strained slab of a Weyl semimetal with broken time-reversal symmetry are investigated. It is found that the strain-induced axial gauge field reduces frequencies of these collective modes for intermediate…

Mesoscale and Nanoscale Physics · Physics 2020-09-01 O. V. Bugaiko , E. V. Gorbar , P. O. Sukhachov

Weyl semimetals host relativistic chiral quasiparticles, which display quantum anomalies in the presence of external electromagnetic fields. Here, we study the manifestations of chiral anomalies in the longitudinal and planar…

Mesoscale and Nanoscale Physics · Physics 2023-01-06 Kamal Das , Sahil Kumar Singh , Amit Agarwal

Twistronics rooted in the twist operation towards bilayer van der Waals crystals is of both theoretical and technological importance. The realize of the correlated electronic behaviors under this operation encourages enormous effort to the…

Mesoscale and Nanoscale Physics · Physics 2018-11-22 Yu-Hao Shen , Wen-Yi Tong , He Hu , Chun-Gang Duan

We theoretically derive the polarization-resolved intensity distribution of a $TM$-polarized fundamental Gaussian beam reflected by an air-glass plane interface at Brewster incidence. The reflected beam has both a dominant ($TM$) and a…

Optics · Physics 2015-05-13 A. Aiello , M. Merano , J. P. Woerdman

It has long been known that X-ray and optical/UV variability in active X-ray binaries is sometimes correlated. The expectation has been that this arises from rapid reprocessing of X-rays into longer wavelength photons, and hence that the…

Astrophysics · Physics 2007-05-23 R. I. Hynes

We compute rest-frame reflection spectra and the corresponding energy-dependent linear polarization degree and angle for (un)polarized single-temperature blackbody spectra impinging on a partially ionized constant-density optically thick…

High Energy Astrophysical Phenomena · Physics 2026-05-27 J. Podgorný , M. Dovčiak , R. Goosmann , F. Marin , L. Marra , G. Matt , A. Różańska , R. Taverna

Weyl semimetals, such as $TaIrTe_{4}$, characterized by their unique band structures and exotic transport phenomena, have become a central focus in modern electronics. Despite extensive research, a systematic understanding of the impact of…

Materials Science · Physics 2024-11-26 Longfei Guo , Shaowen Xu , Qilong Cui , Qingmin Hu , Ruixue Li , Gaofeng Xu , Fanhao Jia , Yuan Li

Using Hall photovoltage measurements, we demonstrate that an anomalous Hall-voltage can be induced in few layer WTe2 under circularly polarized light illumination. By applying a bias voltage along different crystal axes, we find that the…

The accretion column in magnetic Cataclysmic Variables may have a not negligible Thomson optical depth. A fraction of the thermal radiation from the post-shock region may therefore be scattered - and then polarized - before escaping the…

Astrophysics · Physics 2009-11-10 Giorgio Matt

The circular photogalvanic effect (CPGE) is the part of a photocurrent that switches depending on the sense of circular polarization of the incident light. It has been consistently observed in systems without inversion symmetry and depends…

Strongly Correlated Electrons · Physics 2017-07-27 Fernando de Juan , Adolfo G. Grushin , Takahiro Morimoto , Joel E. Moore

We have analyzed the solutions to the vector paraxial wave equation in the unbounded uniaxial crystal in the form of the transverse electric (TE) and transverse magnetic (TM) mode beams transporting the fractional optical vortices in the…

Optics · Physics 2015-06-11 T. A. Fadeyeva , A. F. Rubass , I. S. Valkov , A. V. Volyar

A general symmetry analysis of the optical conductivity or scattering tensor is used to rewrite the conductivity tensor as a sum of fundamental spectra multiplied by simple functions depending on the local magnetization direction. Using…

Strongly Correlated Electrons · Physics 2010-09-17 M. W. Haverkort , N. Hollmann , I. P. Krug , A. Tanaka
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