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We explore proximity-induced magnetocaloric effect (MCE) on transition metal dichalcogenides, focusing on a two-dimensional (2D) MoTe$_2$ monolayer deposited on a ferromagnetic semiconductor EuO substrate connected to a heat source. We…

Mesoscale and Nanoscale Physics · Physics 2022-02-09 Natalia Cortés , Francisco J. Peña , Oscar Negrete , Patricio Vargas

A systematic study of the temperature dependence of the shapes and pairing gaps of some isotopes in the rare-earth region is made in the relativistic Hartree-BCS theory. Thermal response to these nuclei is always found to lead to a phase…

Nuclear Theory · Physics 2009-11-06 B. K. Agrawal , Tapas Sil , S. K. Samaddar , J. N. De

The nuclear collective response at finite temperature is investigated for the first time in the quantum framework of the small amplitude limit of the extended TDHF approach, including a non-Markovian collision term. It is shown that the…

Nuclear Theory · Physics 2008-11-26 Denis Lacroix , Philippe Chomaz , Sakir Ayik

We study consistently the effects of magnetic field on hot and dense matter. In particular, we look for differences that arise due to assumptions that reproduce the conditions produced in particle collisions or astrophysical scenarios, such…

Nuclear Theory · Physics 2023-09-28 J. Peterson , P. Costa , R. Kumar , V. Dexheimer , R. Negreiros , C. Providencia

Two-nucleon momentum correlation functions are investigated for different single thermal sources at given initial temperature $(T)$ and density $(\rho)$. To this end, the space-time evolutions of various single excited nuclei at $T$ $= 1 -…

Nuclear Theory · Physics 2023-01-10 Ting-Ting Wang , Yu-Gang Ma , De-Qing Fang , Huan-Ling Liu

The spinflip M1 resonance in the doubly magic nucleus $^{48}$Ca, dominated by a single transition, serves as a reference case for the quenching of spin-isospin modes in nuclei. The aim of the present work is a search for weak M1 transitions…

Nuclear Experiment · Physics 2017-05-31 M. Mathy , J. Birkhan , H. Matsubara , P. von Neumann-Cosel , N. Pietralla , V. Yu. Ponomarev , A. Richter , A. Tamii

Leading finite temperature effects on the neutrino decoupling temperature in the early Universe have been studied. We have incorporated modifications of the dispersion relation and the phase space distribution due to the presence of…

High Energy Physics - Phenomenology · Physics 2009-10-30 N. Fornengo , C. W. Kim , J. Song

We study the leading low temperature dependence of magnetic susceptibility of one-dimensional electrons with fixed total number of particles at the magnetic fields equal to zero temperature critical values where magnetic field induces…

Strongly Correlated Electrons · Physics 2014-03-26 Temo Vekua

We present an ab initio quantum theory of the finite temperature magnetism of iron and nickel. A recently developed technique which combines dynamical mean-field theory with realistic electronic structure methods, successfully describes the…

Strongly Correlated Electrons · Physics 2007-05-23 A. I. Lichtenstein , M. I. Katsnelson , G. Kotliar

We performed first-principles calculations at finite temperatures to investigate the temperature dependence of the magnetic properties, such as exchange stiffness constants and Curie temperatures, of Co2MnZ (Z= Si, Al) assuming L21 and B2…

Materials Science · Physics 2025-07-30 Shogo Yamashita , Akimasa Sakuma , Mikihiko Oogane

We present experimental evidence for the simultaneous existence of the magnons and spin-state transition contributions to the heat capacity in ferromagnetic (FM) Cr-doped MnTe (Tc~280K), where the magnon heat capacity is attributed to the…

Applied Physics · Physics 2020-07-31 Md Mobarak Hossain Polash , Morteza Rasoulianboroujeni , Daryoosh Vashaee

We investigate the effect of (weak) dipolar interactions on the field behavior of the temperature at the maximum of the zero-field-cooled magnetization of a polydisperse assembly of nanoparticles. For this purpose, we extend the…

Statistical Mechanics · Physics 2009-11-11 M. Azeggagh , H. Kachkachi

We derive a simple system of equations to describe the magnetization relaxation of a molecular spin in weak interaction with a thermal bath for the whole temperature domain. Using this for the intermediate temperature domain where the…

Materials Science · Physics 2022-12-27 Le Tuan Anh Ho , Liviu Ungur , Liviu F. Chibotaru

The temperature dependences of spin-lattice relaxation time $T_1$ of $^{133}$Cs in CsFeCl$_3$ and $^{87}$Rb in RbFeCl$_3$ were measured in the temperature range between 1.5 K and 22 K, at various fields up to 7 T applied parallel (or…

Materials Science · Physics 2009-11-07 Mitsuru Toda , Takao Goto , Meiro Chiba , Naoshi Suzuki

The spin-1 Ising model with bilinear and quadrupolar short-range interactions under magnetic field is investigated within the two-particle cluster approximation. It is shown that for those values of the quadrupolar interaction when at zero…

Statistical Mechanics · Physics 2019-05-21 R. R. Levitskii , O. R. Barana , B. M. Lisnii

Experimental realization of magnetic field induced quantum phase transition (QPT) is reported for NH4CuPO4.H2O, a two spin cluster material with isotropic Heisenberg interaction. Experimental magnetization and specific heat data have been…

Strongly Correlated Electrons · Physics 2015-12-09 Tanmoy Chakraborty , Harkirat Singh , Chiranjib Mitra

The recently measured spin susceptibility of the two dimensional electron gas exhibits a strong dependence on temperature, which is incompatible with the standard Fermi liquid phenomenology. Here we show that the observed temperature…

Strongly Correlated Electrons · Physics 2017-05-16 Arkady Shekhter , Alexander M. Finkel'stein

Magnetic moment of electron at finite temperature is directly related to the modified electron mass in the background heat bath. Magnetic moment of electron gets modified when it couples with the magnetic field at finite temperature through…

High Energy Physics - Theory · Physics 2015-06-04 Samina S. Masood , Mahnaz Q. Haseeb

The first order magneto-structural transition ($T_t\simeq95$ K) and magnetocaloric effect in MnNiGe$_{0.9}$Ga$_{0.1}$ are studied via powder x-ray diffraction and magnetization measurements. Temperature dependent x-ray diffraction…

Materials Science · Physics 2018-01-17 Pallab Bag , R. Nath

We study the magnetic orbital response of a system of N interacting electrons confined in a two-dimensional geometry and subjected to a perpendicular magnetic field in the finite temperature Hartree-Fock approximation. The electron-electron…

Mesoscale and Nanoscale Physics · Physics 2009-01-23 L. G. G. V. Dias da Silva , Caio H. Lewenkopf , Nelson Studart
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