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Related papers: Magnetic Susceptibility for $CaV_4O_9$

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Materials with very low DC magnetic susceptibility have many scientific applications. To our knowledge however, relatively little research has been conducted with the goal to produce a totally nonmagnetic material. This phrase in our case…

Instrumentation and Detectors · Physics 2016-01-20 Rakshya Khatiwada , Lawrence Dennis , Rachel Kendrick , Marjan Khosravi , Michael Peters , Erick Smith , Mike Snow

The static and dynamic properties of the single-chain molecular magnet [Co(hfac)$_2$NITPhOMe] are investigated in the framework of the Ising model with Glauber dynamics, in order to take into account both the effect of an applied magnetic…

Materials Science · Physics 2015-05-28 M. G. Pini , A. Rettori , L. Bogani , A. Lascialfari , M. Mariani , A. Caneschi , R. Sessoli

We calculate very long low- and high-temperature series for the susceptibility $\chi$ of the square lattice Ising model as well as very long series for the five-particle contribution $\chi^{(5)}$ and six-particle contribution $\chi^{(6)}$.…

Mathematical Physics · Physics 2008-11-26 S. Boukraa , A. J. Guttmann , S. Hassani , I. Jensen , J. -M. Maillard , B. Nickel , N. Zenine

We address the origin of the incipient magnetism in TiBe$_2$ through precise first principles calculations, which overestimate the ferromagnetic tendency and therefore require correction to account for spin fluctuations. TiBe$_2$ has sharp…

Strongly Correlated Electrons · Physics 2009-11-11 T. Jeong , A. Kyker , W. E. Pickett

We have carried out a wide range of calculations for the $S=1/2$ Heisenberg model with nearest- and second-neighbor interactions on a two-dimensional lattice which describes the geometry of the vanadium ions in the spin-gap system…

Condensed Matter · Physics 2009-10-28 M. P. Gelfand , Z. Weihong , R. R. P. Singh , J. Oitmaa , C. J. Hamer

We describe a new, distance-independent method for calculating the magnetic activity strength in low mass dwarfs, L_{H\alpha}/L_{bol}. Using a well-observed sample of nearby stars and cool standards spanning spectral type M0.5 to L0, we…

Astrophysics · Physics 2009-11-10 Lucianne M. Walkowicz , Suzanne L. Hawley , Andrew A. West

The field-dependent magnetization m(H,T) of 1- and 2-dimensional classical magnets described by the $D$-component vector model is calculated analytically in the whole range of temperature and magnetic fields with the help of the 1/D…

Statistical Mechanics · Physics 2015-06-25 D. A. Garanin

We study low-energy nucleon Compton scattering in the framework of baryon chiral perturbation theory (B$\chi$PT) with pion, nucleon, and $\Delta$(1232) degrees of freedom, up to and including the next-to-next-to-leading order (NNLO). We…

High Energy Physics - Phenomenology · Physics 2010-01-06 V. Lensky , V. Pascalutsa

The magnetic field dependence of the magnetisation ($M$) and the temperature dependence of the ac susceptibility ($\chi' = dM/dH$) of CePd(1-x)Rh(x) single crystals with $0.80 \leq x \leq 0.86$ are analysed within the frame of the quantum…

Strongly Correlated Electrons · Physics 2012-02-13 M. Brando , T. Westerkamp , M. Deppe , P. Gegenwart , C. Geibel , F. Steglich

A theory for frequency-dependent magnetic susceptibility \chi(\omega) is developed for thermally activated magnetic monopoles in kagome ice. By mapping this system to a two-dimensional (2D) Coulomb gas and then to a sine-Gordon model, we…

Strongly Correlated Electrons · Physics 2013-08-12 Hiromi Otsuka , Hiroshi Takatsu , Kazuki Goto , Hiroaki Kadowaki

The momentum transfer dependence of the magnetic form factor associated with the quasielastic spectral component in the dynamic magnetic response of intermediate valence SmB$_{6}$ has been measured using inelastic neutron scattering on a…

Strongly Correlated Electrons · Physics 2016-08-24 P. A. Alekseev , J. -M. Mignot , P. S. Savchenkov , V. Lazukov

We have measured the resistivity, the thermopower, and the specific heat of the weak ferromagnetic oxide CaRu0.8Sc0.2O3 in external magnetic fields up to 140 kOe below 80 K. We have observed that the thermopower Q is significantly…

Strongly Correlated Electrons · Physics 2017-10-11 Takafumi D. Yamamoto , Hiroki Taniguchi , Yukio Yasui , Satoshi Iguchi , Takahiko Sasaki , Ichiro Terasaki

The magnetic properties of the ferrimagnetic cobaltite CaBaCo$_4$O$_7$ are systematically investigated. We find that the susceptibility exhibits a downward deviation below $\sim$ 360 K, suggesting the occurrence of short range magnetic…

Strongly Correlated Electrons · Physics 2015-03-19 Zhe Qu , Langsheng Ling , Lei Zhang , Li Pi , Yuheng Zhang

The magnetic susceptibilities chi versus temperature T of powders and single crystals of the ambient-pressure (AP) and high-pressure (HP) phases of (VO)_{2}P_{2}O_{7} are analyzed using an accurate theoretical prediction of chi(T, J1, J2)…

Strongly Correlated Electrons · Physics 2010-11-12 D. C. Johnston , T. Saito , M. Azuma , M. Takano , T. Yamauchi , Y. Ueda

It was reported by Shiino et al in J. Phys. Soc. Jpn. 86, 123705 (2017) that Ce_xLa_{1-x} Cu_{5.62} Au_{0.38} (x=0.02-0.10) exhibits a new type of quantum criticality in both magnetic and thermal properties, which is the same as that…

Strongly Correlated Electrons · Physics 2020-04-22 Kazumasa Miyake , Shinji Watanabe

The magnetic properties of a circular graphene nanoribbon (carbon belt) in a magnetic field parallel to its central axis is studied using a tight-binding model. Orbital magnetic susceptibility is calculated using an analytical expression of…

Mesoscale and Nanoscale Physics · Physics 2024-07-02 Norio Inui

We performed calculations of the electronic band structure and the Fermi surface as well as measured the longitudinal resistivity $\rho_{xx}(T,H)$, Hall resistivity $\rho_{xy}(T,H)$, and magnetic susceptibility as a function of temperature…

Strongly Correlated Electrons · Physics 2021-03-02 Shuijin Chen , Zhefeng Lou , Yuxing Zhou , Qin Chen , Binjie Xu , Jianhua Du , Jinhu Yang , Haangdong Wang , Minghu Fang

We determine the topological susceptibility $\chi_t$ in two-flavor QCD using the lattice simulations at a fixed topological sector. The topological charge density is unambiguously defined on the lattice using the overlap-Dirac operator…

High Energy Physics - Lattice · Physics 2008-11-26 S. Aoki , T. W. Chiu , H. Fukaya , S. Hashimoto , T. H. Hsieh , T. Kaneko , H. Matsufuru , J. Noaki , K. Ogawa , T. Onogi , N. Yamada

We report a first-order phase transition at T_M=357 K in single crystal Ca_2RuO_4, an isomorph to the superconductor Sr_2RuO_4. The discontinuous decrease in electrical resistivity signals the near destruction of the Mott insulating phase…

Strongly Correlated Electrons · Physics 2009-10-31 C. S. Alexander , G. Cao , V. Dobrosavljevic , E. Lochner , S. McCall , J. E. Crow , R. P. Guertin

We present measurements of the magnetic susceptibility chi(T) on Cu2Te2O5Br2 under externally applied pressure. From our data we extract the pressure response of the antiferromagnetic phase transition at T0 = 11.6 K and of the overall…

Other Condensed Matter · Physics 2009-11-11 J. Kreitlow , S. Suellow , D. Menzel , J. Schoenes , P. Lemmens , M. Johnsson