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We show that long-range ferromagnetic interactions in quantum spin chains can induce spatial quasi-localization of topological magnetic defects, i.e., domain-walls, even in the absence of quenched disorder. By means of matrix-product-states…

Quantum Gases · Physics 2019-04-03 Alessio Lerose , Bojan Zunkovic , Alessandro Silva , Andrea Gambassi

In this paper the dynamics of the classical chiral $QCD_{2}$ currents is studied. We describe how the dynamics of the theory can be summarized in an equation of the Lax form, thereby demonstrating the existence of an infinite set of…

High Energy Physics - Theory · Physics 2008-02-03 Robert de Mello Koch , João P. Rodrigues

We calculate tree--level currents of created particles in strong background electric fields in 4D QED for various initial states. Namely, we do that in pulse background for initial vacuum and thermal states at past infinity. In both cases…

High Energy Physics - Theory · Physics 2021-08-04 E. T. Akhmedov , A. V. Anokhin , D. I. Sadekov

Relativistic heavy ion collisions can generate metastable domains in which the chiral condensate is disoriented. Nucleus-sized domains can yield measurable fluctuations in the number of neutral and charged pions. We propose a scenario in…

High Energy Physics - Phenomenology · Physics 2009-10-22 Sean Gavin , Berndt Mueller

Considering s-wave pairing in an electron-hole double layer of two chiral metals, we study the Josephson effect generated by a domain wall. The latter, which is caused by a jump of the order parameter phase, creates two independent…

Superconductivity · Physics 2022-12-22 Klaus Ziegler

In non-central heavy-ion collisions unprecedented strong magnetic fields, of the order of 10$^{18}$ Gauss, are expected to be produced. The interplay of such fields with QCD anomalies in the Quark--Gluon Plasma (QGP) has been predicted to…

Nuclear Experiment · Physics 2017-09-19 Jacopo Margutti

Weyl semimetals are predicted to realize the three-dimensional axial anomaly first discussed in particle physics. The anomaly leads to unusual transport phenomena such as the chiral magnetic effect in which an applied magnetic field induces…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Edwin Barnes , J. J. Heremans , Djordje Minic

At low energies, the strong interaction is governed by the Goldstone bosons associated with the spontaneous chiral symmetry breaking, which can be systematically described by chiral perturbation theory. In this paper, we apply this theory…

High Energy Physics - Phenomenology · Physics 2020-05-11 Zhen-Yan Lu , Meng-Lin Du , Feng-Kun Guo , Ulf-G. Meißner , Thomas Vonk

We analyze static properties of nucleons in the two flavor holographic QCD model of Sakai and Sugimoto described effectively by a five-dimensional U(2) Yang-Mills theory with the Chern-Simons term on a curved background. The baryons are…

High Energy Physics - Theory · Physics 2008-11-26 Hiroyuki Hata , Masaki Murata , Shinichiro Yamato

We propose a new chirality-imbalance phenomenon arising in baryonic/high dense matters under a magnetic field. A locally chiral-imbalanced (parity-odd) domain can be created due to the electromagnetically induced $U(1)_A$ anomaly in…

Nuclear Theory · Physics 2020-04-22 Mamiya Kawaguchi , Shinya Matsuzaki

We show the realization of axion electrodynamics within the Dual Chiral Density Wave phase of dense quark matter in the presence of a magnetic field. The system exhibits an anomalous dissipantionless Hall current perpendicular to the…

Nuclear Theory · Physics 2017-04-05 E. J. Ferrer , V. de la Incera

The serious cosmological problems created by the axion-string/axion-domain-wall system in standard axion models are alleviated by positing the existence of a new confining force. The instantons of this force can generate an axion potential…

High Energy Physics - Phenomenology · Physics 2014-12-10 S. M. Barr , Jihn E. Kim

We study theoretically the proximity effect between ferromagnets (F) and superconductors (S) with broken time-reversal symmetry (${\cal T}$). A chiral $(p_x\pm ip_y)$-wave, and a $d_{x^2-y^2}$-wave superconductor, the latter of which can…

Superconductivity · Physics 2017-08-31 Kazuhiro Kuboki , Hidenori Takahashi

Chiral domain walls of Neel type emerge in heterostructures that include heavy metal (HM) and ferromagnetic metal (FM) layers owing to the Dzyaloshinskii-Moriya (DM) interaction at the HM/FM interface. In developing storage class memories…

Mesoscale and Nanoscale Physics · Physics 2017-11-07 Rafael P. del Real , Victor Raposo , Eduardo Martinez , Masamitsu Hayashi

We study a model chiral fluid in two dimensions composed of Brownian disks interacting via a Lennard-Jones potential and a non-conservative transverse force, mimicking colloids spinning at a rate $\omega$. The system exhibits a phase…

Soft Condensed Matter · Physics 2023-07-10 Claudio B. Caporusso , Giuseppe Gonnella , Demian Levis

The exciting possibility of direct observation of QCD instantons in heavy-ion collisions has recently been proposed by Kharzeev. The underlying phenomenon, known as the chiral magnetic effect, may have been observed recently at RHIC, and a…

High Energy Physics - Lattice · Physics 2010-11-05 M. Abramczyk , T. Blum , G. Petropoulos , R. Zhou

In condensed matter physics, a broad spectrum of physical characteristics, such as chirality, axiality, and polarity, arises as a direct consequence of the underlying symmetry of the system. We here theoretically investigate the effective…

Strongly Correlated Electrons · Physics 2025-11-12 Satoru Hayami , Rikuto Oiwa , Akane Inda

We calculate the interaction between two magnetic domain walls during their current-induced motion. This interaction produces a separation-dependent resistance and also a differential velocity, causing domains in motion to experience an…

Mesoscale and Nanoscale Physics · Physics 2011-11-28 E. A. Golovatski , M. E. Flatté

We update our numerical investigation of topological structures around static quarks in pure gauge QCD by results of the first runs including dynamical quarks. Simulations were performed on an $8^3\times4$ lattice, with $SU(3)$ Wilson…

High Energy Physics - Lattice · Physics 2008-11-26 M. Faber , H. Markum , S. Olejnik , W. Sakuler

A possibility is discussed of observing spin injection effect on the ferromagnet domain structure by means of resonant excitation of the domain wall oscillations by a spin-polarized ac injection current. The natural frequency of the domain…

Materials Science · Physics 2007-05-23 R. J. Elliott , E. M. Epshtein , Yu. V. Gulyaev , P. E. Zilberman