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Related papers: Kerr effects in tilted multi-Weyl semimetals

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Compensated ferrimagnets are promising materials for fast spintronic applications based on domain wall motion as they combine the favourable properties of ferromagnets and antiferromagnets. They inherit from antiferromagnets immunity to…

We present a theory of the anomalous Hall effect in a topological Weyl superconductor with broken time reversal symmetry. Specifically, we consider a ferromagnetic Weyl metal with two Weyl nodes of opposite chirality near the Fermi energy.…

Superconductivity · Physics 2016-08-24 G. Bednik , A. A. Zyuzin , A. A. Burkov

The asymmetric magnetization reversal in exchange biased Fe/MnF$_{2}$ involves coherent (Stoner-Wohlfarth) magnetization rotation into an intermediate, stable state perpendicular to the applied field. We provide here experimentally tested…

Materials Science · Physics 2016-08-16 A. Tillmanns , S. Oertker , B. Beschoten , G. Güntherodt , C. Leighton , Ivan K. Schuller , J. Nogues

We investigate the dynamical charge-charge correlation function and the optical conductivity in weakly doped antiferromagnets using Mori-Zwanzig projection technique. The system is described by the two-dimensional t-J model. The arising…

Strongly Correlated Electrons · Physics 2016-08-31 Matthias Vojta , Klaus W. Becker

Layered van der Waals semimetallic $T_\mathrm{d}$-WTe$_{2}$, exhibiting intriguing properties which include non-saturating extreme positive magnetoresistance (MR) and tunable chiral anomaly, has emerged as model topological type-II Weyl…

Mesoscale and Nanoscale Physics · Physics 2021-03-31 R. Adhikari , S. Adhikari , B. Faina , M. Terschanski , S. Bork , C. Leimhofer , M. Cinchetti , A. Bonanni

We find that the long-range magnetic ordering is absent and electrical conduction suppressed in Y$_{1.7}$Bi$_{0.3}$Ir$_2$O$_7$/YSZ(100) thin film prepared by pulsed laser deposition. The sharp down-turn of inverse magnetic susceptibility…

Materials Science · Physics 2019-04-19 Vinod Kumar Dwivedi , Soumik Mukhopadhyay

We study the magneto-optical Kerr effect (MOKE) in SrRuO$_3$ thin films, uncovering wide regimes of wavelength, temperature, and magnetic field where the Kerr rotation is not simply proportional to the magnetization but instead displays…

Strongly Correlated Electrons · Physics 2020-11-04 F. Michael Bartram , Sopheak Sorn , Zhuolu Li , Kyle Hwangbo , Shengchun Shen , Felix Frontini , Liqun He , Pu Yu , Arun Paramekanti , Luyi Yang

We demonstrate that in Weyl semimetals, the momentum-space helical spin texture can couple to the chirality of the Weyl node to generate a frequency-independent magnetization in response to circularly polarized light through the inverse…

Mesoscale and Nanoscale Physics · Physics 2020-09-29 Yang Gao , Chong Wang , Di Xiao

Single-layer semiconducting transition-metal dichalcogenides, lacking point inversion symmetry, provide an efficient platform for valleytronics, where the electronic, magnetic, valley and lattice degrees of freedom can be selectively…

Mesoscale and Nanoscale Physics · Physics 2024-11-19 Emmanuele Cappelluti , Habib Rostami , Federico Cilento

Antiferromagnetic metals attract tremendous interest for memory applications due to their expected fast response dynamics in the terahertz frequency regime. Reading from and writing information into these materials is not easily achievable…

Materials Science · Physics 2023-11-23 Kisung Kang , Kexin Yang , Krithik Puthalath , David G. Cahill , André Schleife

Weyl semimetals are a topological phase of matter that have drawn recent interest and have been suggested as a possible phase of the pyrochlore irridates, among other materials. Here, we compute the magneto-optical response of an isolated…

Mesoscale and Nanoscale Physics · Physics 2013-06-28 Phillip E. C. Ashby , J. P. Carbotte

Topological quantum materials can exhibit unconventional surface states and anomalous transport properties. Still, their applications in spintronic devices are restricted as they require the growth of high-quality thin films with bulk-like…

We investigate Weyl semimetals with tilted conical bands in a magnetic field. Even when the cones are overtilted (type-II Weyl semimetal), Landau-level quantization can be possible as long as the magnetic field is oriented close to the tilt…

Mesoscale and Nanoscale Physics · Physics 2016-08-29 Serguei Tchoumakov , Marcello Civelli , Mark O. Goerbig

We investigate the magneto-optical response of double Weyl semimetals whose energy dispersion is intrinsically anisotropic. We find that in the presence of a magnetic field, the most salient feature of the optical conductivity is a series…

Mesoscale and Nanoscale Physics · Physics 2017-09-01 Yong Sun , An-Min Wang

There is considerable current interest to explore electronic topology in strongly correlated metals, with heavy fermion systems providing a promising setting. Recently, a Weyl-Kondo semimetal phase has been concurrently discovered in…

Strongly Correlated Electrons · Physics 2020-04-01 Sarah E. Grefe , Hsin-Hua Lai , Silke Paschen , Qimiao Si

We consider the properties of the type II Weyl semimetals at low temperatures basing on the particular tight - binding model. In the presence of electric field directed along the line connecting the Weyl points of opposite chirality the…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 M. A. Zubkov , M. Lewkowicz

Magnetic Weyl semimetals with spontaneously broken time-reversal symmetry exhibit a large intrinsic anomalous Hall effect originating from the Berry curvature. To employ this large Hall current for room temperature topo-spintronics…

Materials Science · Physics 2021-02-23 Yao Zhang , Yuefeng Yin , Guy Dubuis , Tane Butler , Nikhil V. Medhekar , Simon Granville

Topological Weyl semimetals can host Weyl nodes with monopole charges in momentum space. How to detect the signature of the monopole charges in quantum transport remains a challenging topic. Here, we reveal the connection between the parity…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 Xin Dai , Hai-Zhou Lu , Shun-Qing Shen , Hong Yao

We study dc conductivity of a Weyl semimetal with uniaxial anisotropy (Fermi velocity ratio $\xi= v_\bot/v_\parallel\neq1$) considering the scattering of charge carriers by a wide class of impurity potentials, both short- and long-range. We…

Mesoscale and Nanoscale Physics · Physics 2015-11-18 Ya. I. Rodionov , K. I. Kugel , Franco Nori

We study the quantum transport behavior of a normal-superconductor-normal junction based on type-II Weyl semimetal, which is arranged in the tilting direction of the Weyl semimetal. We find that both the crossed Andreev reflection and…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Xue-Si Li , Shu-Feng Zhang , Xue-Rui Sun , Wei-Jiang Gong