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We study phase-sensitive amplification of electromagnetically induced transparency in a warm ${}^{85}$Rb vapor wherein a microwave driving field couples the two lower-energy states of a {\Lambda} energy-level system thereby transforming…

Magnetization, magnetoresistance, and magnetodielectric measurements have been carried out on the half doped charge ordered manganite, Pr_0.5Ca_0.5MnO_3. The low temperature state is found to be strongly dependent on the oxygen…

Strongly Correlated Electrons · Physics 2009-04-29 A. Karmakar , S. Majumdar , A. K. Singh , S. Patnaik , S. Giri

We report the temperature and magnetic field dependence of transport properties in epitaxial films of the manganite La$_{1-x}$Ca$_{x}$MnO$_{3}$ in the overdoped region of the phase diagram for $x > 0.5$, where a charge--ordered (CO) and an…

Strongly Correlated Electrons · Physics 2017-04-25 M. Čulo , M. Basletić , E. Tafra , A. Hamzić , S. Tomić , F. Fischgrabe , V. Moshnyaga , B. Korin-Hamzić

We report on the interplay between atomic scale inhomogeneity and competing magnetic phases and its effect on the anomalous Hall effect in the layered antiferromagnet MnBi$_4$Te$_7$, a natural superlattice hosting coexisting ferromagnetic…

Strongly Correlated Electrons · Physics 2025-06-19 Nazma Firdosh , Shreyashi Sinha , Indraneel Sinha , Mainpal Singh , Satyabrata Patnaik , Sujit Manna

The magnetocaloric effect in exchange-coupled synthetic-antiferromagnet multilayers is investigated experimentally and theoretically. We observe a temperature-controlled inversion of the effect, where the entropy increases on switching the…

Mesoscale and Nanoscale Physics · Physics 2021-09-17 D. M. Polishchuk , M. Persson , M. M. Kulyk , E. Holmgren , G. Pasquale , A. Ullah , R. Skomski , V. Korenivski

The phase of the wave function of charged matter is sensitive to the value of the electric potential, even when the matter never enters any region with non-vanishing electromagnetic fields. Despite its fundamental character, this archetypal…

High Energy Physics - Theory · Physics 2020-05-13 Thomas C. Bachlechner , Matthew Kleban

The temperature and magnetic field behavior of non-uniform diamagnetic phase of strongly correlated electron gas at the conditions of dHvA effect is analyzed. It is shown, that in the framework of Lifschitz-Kosevich-Shoenberg approximation…

Strongly Correlated Electrons · Physics 2009-11-11 N. Logoboy , W. Joss

Neutron diffraction and magnetization measurements of the magneto refrigerant Mn1+yFe1-yP1-xGex reveal that the ferromagnetic and paramagnetic phases correspond to two very distinct crystal structures, with the magnetic entropy change as a…

We study in detail the thermodynamics of the quantum chromodynamics (QCD) matter utilizing two different statistics, extensive and non-extensive. The thermodynamics such as (pressure, number density, energy density , entropy and…

High Energy Physics - Phenomenology · Physics 2021-06-14 Essam Tarek , M. M. Ahmed , Asmaa G. Shalaby

The paper studies the impact of applied magnetic field on the inelastic collisions of electrons with argon atoms. In the electron-argon Franck-Hertz experiment, the influence of applied magnetic field emerges complicated features, and is…

General Physics · Physics 2010-10-08 Ying Weng , Zi-Hua Weng

A re-entrant novel phase has been observed in the hexagonal ferroelectric HoMnO3 in the presence of magnetic fields, in the temperature ranges defined by the plateau of the dielectric constant anomaly. The dielectric plateau evolves with…

Strongly Correlated Electrons · Physics 2009-11-10 B. Lorenz , A. P. Litvinchuk , M. M. Gospodinov , C. W. Chu

The effect of differently oriented magnetic field on chiral incommensurate helimagnet UPtGe is studied both experimentally and theoretically. The magnetization measurements up to the field above the saturation have revealed an isotropic…

An external electric field induced reversible modulation of room temperature magnetic moment is achieved in an epitaxial and insulating thin film of dilutely cobalt-doped anatase TiO2. This first demonstration of electric field effect in…

Materials Science · Physics 2009-11-10 T. Zhao , S. R. Shinde , S. B. Ogale , H. Zheng , T. Venkatesan , R. Ramesh , S. Das Sarma

Giant caloric effects were reported in elasto-, electro- and magnetocaloric materials near phase transformations. Commonly, their entropy change is indirectly evaluated by a Maxwell relation. We report the fundamental failure of this…

Materials Science · Physics 2016-11-09 Robert Niemann , Oleg Heczko , Ludwig Schultz , Sebastian Fähler

The influence of an external constant and homogeneous magnetic field H on the phase structure of the P-symmetric, chiral invariant 3-dimensional field theory model with two four-fermion interaction structures is considered. An arbitrary…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Ch. Zhukovsky , K. G. Klimenko , V. V. Khudyakov

We investigate the onset of a not-decaying asymptotic behavior of temporal magnetic correlations in the Hubbard model in infinite dimensions. This long-term memory feature of dynamical spin correlations can be precisely quantified by…

Strongly Correlated Electrons · Physics 2022-06-08 Clemens Watzenböck , Martina Fellinger , Karsten Held , Alessandro Toschi

We demonstrate optical nonthermal excitation of exchange dominated spin waves of different orders in a magnetophotonic crystal. The magnetophotonic structure consists of a thin magnetic film and a Bragg stack of nonmagnetic layers to…

In this work, Monte Carlo simulation was implemented to study the phase diagrams and magnetic properties of a mixed spin (1-1/2-1) three-layer system with a cubic structure. In particular, the effects of the exchange and coupling parameters…

Statistical Mechanics · Physics 2022-03-02 Maen Gharaibeh , Ahmad Al-Qawasmeh , Abdalla Obeidat , Sufian Abedrabbo

The effect of time-varying electromagnetic fields on electron coherence is investigated. A sinusoidal electromagnetic field produces a time varying Aharonov-Bohm phase. In a measurement of the interference pattern which averages over this…

Quantum Physics · Physics 2009-11-10 Jen-Tsung Hsiang , L. H. Ford

We solve the Schr\"odinger equation for a charged particle in the non-uniform magnetic field by using the Nikiforov-Uvarov method. We find the energy spectrum and the wave function, and present an explicit relation for the partition…

Quantum Physics · Physics 2021-02-26 H. R. Rastegar Sedehi , Altug Arda , Ramazan Sever