English
Related papers

Related papers: Enhancement of Anomalous Boundary Current by High …

200 papers

An increasing current through a superconductor can result in a discontinuous increase in the differential resistance at the critical current. This critical current is typically associated either with breaking of Cooper-pairs (de-pairing) or…

Superconductivity · Physics 2020-07-01 Adam Doron , Tal Levinson , Franzisca Gorniaczyk , Idan Tamir , Dan Shahar

We show how the axial (chiral) anomaly induces a spin torque on the magnetization in magnetic Weyl semimetals. The anomaly produces an imbalance in left- and right-handed chirality carriers when non-orthogonal electric and magnetic fields…

Mesoscale and Nanoscale Physics · Physics 2021-05-27 Julia D. Hannukainen , Alberto Cortijo , Jens H. Bardarson , Yago Ferreiros

We show that the scale (conformal) anomaly in field theories leads to new anomalous transport effects that emerge in an external electromagnetic field in an inhomogeneous gravitational background. In inflating geometry the QED scale anomaly…

High Energy Physics - Theory · Physics 2016-10-07 M. N. Chernodub

For a second-order strongly elliptic differential operator on an exterior domain in R^n it is known from works of Birman and Solomiak that a change of the boundary condition from the Dirichlet condition to an elliptic Neumann or Robin…

Analysis of PDEs · Mathematics 2011-03-02 Gerd Grubb

We propose a mechanism to directly measure the chiral anomaly in disorder Weyl semimetals (WSMs) by the Kondo effect. We find that in a magnetic and electric field driven WSM, the locations of the Kondo peaks can be modulated by the chiral…

Mesoscale and Nanoscale Physics · Physics 2020-06-24 Yan-Yan Yang , Ming-Xun Deng , Hou-Jian Duan , Wei Luo , Rui-Qiang Wang

We present results for the entire set of anomalous charge and heat transport coefficients for metallic systems in the presence of a finite-temperature heat bath. In realistic physical systems this necessitates the inclusion of inelastic…

Mesoscale and Nanoscale Physics · Physics 2022-04-11 Zhiqiang Wang , Rufus Boyack , K. Levin

The transport properties of massless fermions in $3+1$ spacetime dimension have been in the focus of recent theoretical and experimental research. New transport properties appear as consequences of chiral anomalies. The most prominent is…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 Karl Landsteiner , Yan Liu

We argue that parametrically strong enhancement of a thermoelectric current can be observed in conventional superconductors doped by magnetic impurities. This effect is caused by violation of the symmetry between electron-like and hole-like…

Superconductivity · Physics 2012-10-05 Mikhail S. Kalenkov , Andrei D. Zaikin , Leonid S. Kuzmin

We discuss the relic density of asymmetric dark matter with long-range interactions in non-standard cosmological scenarios where the extra cosmic energy is introduced. The Hubble expansion rate is modified in non-standard cosmological…

High Energy Physics - Phenomenology · Physics 2025-06-09 Reyima Rashidin , Fangyu Liu , Hoernisa Iminniyaz

Weyl semimetals are characterized by the presence of massless band dispersion in momentum space. When a Weyl semimetal meets magnetism, large anomalous transport properties emerge as a consequence of its topological nature. Here, using…

We predict the existence of an anomalous crossover between thermal and shot noise in macroscopic diffusive conductors. We first show that, besides thermal noise, these systems may also exhibit shot noise due to fluctuations of the total…

Statistical Mechanics · Physics 2009-10-31 G. Gomila , L. Reggiani

In the search of material properties out-of-equilibrium, the non-equilibrium steady states induced by electric current are an appealing research direction where unconventional states may emerge. However, the unavoidable Joule heating caused…

Materials Science · Physics 2020-05-19 Giordano Mattoni , Shingo Yonezawa , Yoshiteru Maeno

The electric-power dissipation of the anomalous-Hall current injected into a lateral load circuit is studied. The anomalous-Hall current is generated by a $\mathrm{Co_{75}Gd_{25}}$ ferrimagnetic Hall bar and injected into lateral contacts…

Mesoscale and Nanoscale Physics · Physics 2023-11-14 D. Lacour , M. Hehn , Min Xu , J. -E. Wegrowe

The anomalous chromomagnetic moment of the top quark arises from one loop corrections to the vertex $\bar t t g$. We give explicit formulae for this anomalous coupling in the framework of the standard model, the two Higgs doublet model and…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. Martinez , J-Alexis Rodriguez

The Nieh-Yan anomaly is the anomalous breakdown of the chiral U(1) symmetry caused by the interaction between torsion and fermions. We study this anomaly from the point of view of torsional Landau levels. It was found that the torsional…

Mesoscale and Nanoscale Physics · Physics 2020-03-17 Ze-Min Huang , Bo Han , Michael Stone

Fermi condensation is usually a phenomena of strongly correlated system. In this letter, we point out a novel mechanism for condensation of Dirac fermions due to Weyl anomaly. The condensation has its physical origin in the nontrivial…

High Energy Physics - Theory · Physics 2020-08-28 Chong-Sun Chu , Rong-Xin Miao

The chiral anomaly is a fundamental quantum mechanical phenomenon which is of great importance to both particle physics and condensed matter physics alike. In the context of QED it manifests as the breaking of chiral symmetry in the…

Strongly Correlated Electrons · Physics 2021-05-12 Colin Rylands , Alireza Parhizkar , Anton A. Burkov , Victor Galitski

An anomalous light shift in the precession of a ground-state Zeeman coherence is observed: the Larmor frequency increases with the strength of a drive that is blue (red) detuned from a transition out of the lower (upper) energy level. Our…

Quantum Physics · Physics 2012-12-20 D. G. Norris , A. D. Cimmarusti , L. A. Orozco , P. Barberis-Blostein , H. J. Carmichael

An analysis of experimental heat capacity at $T>T_{c}$ is presented for series of samples $(R)Ba_2Cu_3O_{6+x}$ (with $x$ close to optimal). For all samples the anomaly was discovered which occurred steadily in the interval 250-290 K…

Superconductivity · Physics 2007-05-23 V. N. Naumov , G. I. Frolova , T. Atake , V. V. Nogteva , N. A. Nemov , M. A. Bespyatov , V. G. Potemkin

We analyse near-extremal black brane configurations in asymptotically $\mathrm{AdS}_4$ spacetime with the temperature $T$, chemical potential $\mu$, and three-velocity $u^\nu$, varying slowly. We consider a low-temperature limit where the…

High Energy Physics - Theory · Physics 2021-02-26 Upamanyu Moitra , Sunil Kumar Sake , Sandip P. Trivedi