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Related papers: Magnetoentropic signatures of skyrmionic phase beh…

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We investigate theoretically magnetoentropic signatures of the crystal phase of magnetic skyrmions of various kinds, commonly appearing in two dimensions, \textit{viz.}, N\'eel, Bloch and anti skyrmions. Using Monte Carlo calculations based…

Strongly Correlated Electrons · Physics 2024-12-03 Ahmed R. Saikia , Narayan Mohanta

The entropic signatures of magnetic phase transitions in the skyrmion lattice host compounds MnSi0.962Al0.038 and Fe0.7Co0.3Si were investigated through low field magnetization and ac susceptibility measurements. These data indicate that…

Materials Science · Physics 2020-12-11 C. Dhital , J. F. DiTusa

We report the feasibility of using magnetoentropic mapping for the rapid identification of magnetic cycloid and skyrmion phases in uniaxial systems, based on the GaV4S8 and GaV4Se8 model skyrmion hosts with easy-axis and easy-plane…

High-resolution DC magnetization and AC-specific heat data of the cubic helimagnet FeGe have been measured as function of temperature and magnetic field. The magnetization data as well as the isothermal susceptibility data confirm the…

Strongly Correlated Electrons · Physics 2015-06-11 L. Cevey , H. Wilhelm , M. Schmidt , R. Lortz

We performed a systematic study of the temperature- and field-dependence of magnetization and resistivity of Gd2PdSi3, which is a centrosymmetric skyrmion crystal. While the magnetization behavior is consistent with the reported phase…

Strongly Correlated Electrons · Physics 2020-11-19 Han Zhang , Qing Huang , Lin Hao , Junyi Yang , Kyle Noordhoek , Shashi Pandey , Haidong Zhou , Jian Liu

The study of the magnonic thermal Hall effect in magnets with Dzyaloshinskii-Moriya interaction (DMI) has recently drawn attention because of the underlying topology. Topological phase transitions may arise when there exist two or more…

Mesoscale and Nanoscale Physics · Physics 2021-11-19 Yu-Shan Lu , Jian-Lin Li , Chien-Te Wu

We report simultaneous measurements of the magnetization and the ac susceptibility across the magnetic phase diagram of single-crystal MnSi. In our study we explore the importance of the excitation frequency, excitation amplitude, sample…

Strongly Correlated Electrons · Physics 2012-06-26 A. Bauer , C. Pfleiderer

Neutron diffraction experiments of TmFeO$_3$ single crystals were performed in the external magnetic fields. The field along $c$-axis increases temperature of spin-reorientation transition $T_{SR}$ from phase ${\Gamma}4$ to ${\Gamma}2$.…

Two ferromagnetic phases, FM1 and FM2, were first proposed to exist in LaCrGe$_3$ based on a broad maximum in the temperature derivative of resistivity resembling that of the superconducting ferromagnet UGe$_2$ where FM1 and FM2 are…

Strongly Correlated Electrons · Physics 2023-05-24 R. R. Ullah , P. Klavins , X. D. Zhu , and V. Taufour

We revisit the phenomenological Dzyaloshinskii framework, a central theoretical approach for describing magnetization processes in bulk chiral magnets, and demonstrate how magnetocrystalline cubic anisotropy reshapes the phase diagrams of…

Mesoscale and Nanoscale Physics · Physics 2025-10-10 A. O. Leonov , G. Gödecke , J. Grefe , S. Süllow , D. Menzel

We report on detailed magnetic measurements on the cubic helimagnet FeGe in external magnetic fields and temperatures near the onset of long-range magnetic order at $T_C= 278.2(3)$ K. Precursor phenomena display a complex succession of…

Strongly Correlated Electrons · Physics 2011-11-10 H. Wilhelm , M. Baenitz , M. Schmidt , U. K. Roessler , A. A. Leonov , A. N. Bogdanov

We numerically investigate the stabilization mechanisms of skyrmion crystals under thermal fluctuations and external magnetic field in itinerant centrosymmetric tetragonal magnets. By adopting an efficient steepest descent method with a…

Strongly Correlated Electrons · Physics 2023-07-20 Satoru Hayami , Yasuyuki Kato

We report detailed thermodynamic studies on high-quality single crystals of the centrosymmetric skyrmion-hosting intermetallic Gd2PdSi3 by means of high-resolution capacitance dilatometry in fields up to 15 T which are complemented by…

Strongly Correlated Electrons · Physics 2021-06-02 S. Spachmann , A. Elghandour , M. Frontzek , W. Löser , R. Klingeler

Exploration of low temperature phase transitions associated with quantum critical point is one of the most mystifying fields of research which is under intensive focus in recent times. In this work, through comprehensive experimental…

Strongly Correlated Electrons · Physics 2022-02-15 Dheeraj Ranaut , K. Mukherjee

When a magnetic field confines the carriers of a Fermi sea to their lowest Landau level, electron-electron interactions are expected to play a significant role in determining the electronic ground state. Graphite is known to host a sequence…

Strongly Correlated Electrons · Physics 2021-11-24 D. LeBoeuf , C. W. Rischau , G. Seyfarth , R. Küchler , M. Berben , S. Wiedmann , W. Tabis , M. Frachet , K. Behnia , B. Fauqué

Field-dependent specific heat and neutron scattering measurements were used to explore the antiferromagnetic S=1/2 chain compound CuCl2 * 2((CD3)2SO). At zero field the system acquires magnetic long-range order below TN=0.93K with an…

Strongly Correlated Electrons · Physics 2009-11-13 Y. Chen , M. B. Stone , M. Kenzelmann , C. D. Batista , D. H. Reich , C. Broholm

The transport response of dipole skyrmions in amorphous centrosymmetric Fe/Gd multilayer is investigated by temperature and field-dependent resistivity measurements collected in three current and magnetic field configurations. It is shown…

Materials Science · Physics 2022-08-19 Sergio Montoya , Marko Lubarda , Vitaliy Lomakin

Chiral magnets, such as MnSi, display a rich finite temperature phase diagram in an applied magnetic field. The most unusual of the phases encountered is the so called A-phase characterized by a triangular lattice of skyrmion tubes. Its…

Strongly Correlated Electrons · Physics 2013-11-27 Stefan Buhrandt , Lars Fritz

The structure of the phase diagram for strong interactions becomes richer in the presence of a magnetic background, which enters as a new control parameter for the thermodynamics. Motivated by the relevance of this physical setting for…

High Energy Physics - Phenomenology · Physics 2015-03-14 A. J. Mizher , M. N. Chernodub , E. S. Fraga

We provide numerical evidence that the thermal QCD crossover turns into a first order transition in the presence of large enough magnetic background fields. The critical endpoint is found to be located between $eB = 4$ GeV$^2$ (where the…

High Energy Physics - Lattice · Physics 2022-03-14 Massimo D'Elia , Lorenzo Maio , Francesco Sanfilippo , Alfredo Stanzione
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