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On the basis of the one--band t-t'-Hubbard model a self-consistent renormalization theory of magnetic short--range order (SRO) in the paramagnetic phase is presented combining the four-field slave-boson functional-integral scheme with the…

Condensed Matter · Physics 2015-06-25 U. Trapper , D. Ihle , H. Fehske

The confluence between high-energy physics and condensed matter has produced groundbreaking results via unexpected connections between the two traditionally disparate areas. In this work, we elucidate additional connectivity between…

Mesoscale and Nanoscale Physics · Physics 2023-08-02 Joseph Sklenar , Soho Shim , Hilal Saglam , Junseok Oh , M. G. Vergniory , Axel Hoffmann , Barry Bradlyn , Nadya Mason , Matthew J. Gilbert

$\mathrm{YBa_2Cu_3O_7/La_{2/3}Ca_{1/3}MnO_3}$ superconducting/ferromagnetic (SC/FM) multilayers have been studied by neutron reflectometry. Evidence for a characteristic difference between the structural and magnetic depth profiles is…

Mean motion resonances (MMRs) are a key phenomenon in orbital dynamics. The traditional disturbing function expansion in celestial mechanics shows that, at low eccentricities, $p$:$p-q$ MMRs exhibit a clear hierarchy of strengths, scaling…

Earth and Planetary Astrophysics · Physics 2026-02-12 Elizabeth K Jones , Samuel Hadden , Supakrai Teekamongkol , Daniel Tamayo

A new technique for estimation of magnetic interaction effects of initial magnetization curves has been proposed. It deals with remanence, and initial irreversible magnetization, curves. The method is applied for single-phase…

Materials Science · Physics 2013-07-19 G. Goev , V. Masheva

The scaling of magnetic memory into nanometer size calls for a theoretical model to accurately predict the switching current. Previous models show large discrepancy with experiments in studying the spin-orbit torque switching of…

Mesoscale and Nanoscale Physics · Physics 2024-08-27 Xue Zhang , Zhengde Xu , Zhifeng Zhu

The Periodic Anderson Model (PAM) is widely studied to understand strong correlation physics and especially the competition of antiferromagnetism and singlet formation. Quantum Monte Carlo (QMC) studies have focused both on issues such as…

Strongly Correlated Electrons · Physics 2016-06-29 Nicole Hartman , WeiTing Chiu , Richard Scalettar

Neutron scattering has been used to study the magnetic order and spin dynamics of the colossal magnetoresistive pyrochlore Tl_2Mn_2O_7. On cooling from the paramagnetic state, magnetic correlations develop and appear to diverge at T_C (123…

Strongly Correlated Electrons · Physics 2009-10-31 J. W. Lynn , L. Vasiliu-Doloc , M. A. Subramanian

The study of multi-band superconductivity is relevant for a variety of systems, from ultra cold atoms with population imbalance to particle physics, and condensed matter. As a consequence, this problem has been widely investigated bringing…

Superconductivity · Physics 2015-06-17 Mucio A. Continentino , Igor T. Padilha , Heron Caldas

In spite of both technical and fundamental importance, reversal of a macroscopic magnetization by an electric field (E) has been limitedly realized and remains as one of great challenges. Here, we report the realization of modulation and…

Materials Science · Physics 2014-06-26 Yi Sheng Chai , Sangil Kwon , Sae Hwan Chun , Ingyu Kim , Byung-Gu Jeon , Kee Hoon Kim , Soonchil Lee

We present a comprehensive review of data and analysis of Giant (G) Magnetoresistance (MR) with Current-flow Perpendicular-to-layer-Planes (CPP-MR) of magnetic multilayers [F/N]n (n = number of repeats) with alternating nanoscale layers of…

Materials Science · Physics 2016-03-29 Jack Bass

In artificial spin ice systems, an interplay of defects and dipolar interactions is expected to play important roles in stabilizing different collective magnetic states. In this work, we investigated the magnetization reversal of individual…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 Neeti Keswani , Ranveer Singh , Yoshikata Nakajima , Sakthi Kumar , Tapobrata Som , Pintu Das

Competing magnetic anisotropies in chiral crystals with Dzyaloshinskii Moriya exchange interactions can give rise to non-trivial chiral topological magnetisation configurations with new and interesting properties. One such configuration is…

The magnetic phase transitions reported below 230 K in cupric oxide are analyzed theoretically at the macroscopic and microscopic levels. The incommensurate multiferroic and lock-in commensurate phases are shown to realize an inverted…

Optically detected magnetic resonance (ODMR) is an efficient and reliable method that enables initialization and readout of spin states through spin-photon interface. In general, high quantum efficiency and large spin-dependent…

Materials Science · Physics 2024-10-10 Kejun Li , Vsevolod D. Dergachev , Ilya D. Dergachev , Shimin Zhang , Sergey A. Varganov , Yuan Ping

We use a machine learning approach to identify the importance of microstructure characteristics in causing magnetization reversal in ideally structured large-grained Nd$_2$Fe$_{14}$B permanent magnets. The embedded Stoner-Wohlfarth method…

We present a combined experimental and theoretical study of the spin-1/2 compound CuP$_2$O$_6$ that features a network of two-dimensional (2D) antiferromagnetic (AFM) square planes, interconnected via one-dimensional (1D) AFM spin chains.…

The spin-1 Heisenberg model on a triangular lattice with the ferromagnetic nearest, $J_1=-(1-p)J,$ $J>0$, and antiferromagnetic third-nearest-neighbor, $J_3=pJ$, exchange interactions is studied in the range of the parameter $0 \leqslant p…

Strongly Correlated Electrons · Physics 2015-06-04 Pavel Rubin , Alexei Sherman , Michael Schreiber

We report on a study on a representative set of Fe$_{2}$P-based MnFePSi samples by means of $^{55}$Mn NMR in both zero and applied magnetic field. The first-order nature of the magnetic transition is demonstrated by truncated order…

Strongly Correlated Electrons · Physics 2019-04-29 R. Hussain , F. Cugini , S. Baldini , G. Porcari , N. Sarzi Amadè , X. F. Miao , N. H. van Dijk , E. Brück , M. Solzi , R. De Renzi , G. Allodi

Inversion-asymmetric antiferromagnets (AFMs) with odd-parity spin-polarization pattern have been proposed as a new venue for spintronics. These AFMs require commensurate ordering to ensure an effective time-reversal symmetry, which…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Changhee Lee , Nico A. Hackner , P. M. R. Brydon