English
Related papers

Related papers: Magnetic Susceptibility for $CaV_4O_9$

200 papers

We present a general scheme for the computation of the time dependent (TD) quadratic susceptibility ($\chi^{(2)}$) of an extended insulator obtained by applying the `$2n+1$' theorem to the action functional as defined in TD density…

mtrl-th · Physics 2008-02-03 Andrea Dal Corso , Francesco Mauri , Angel Rubio

We have studied the influence of a magnetic field on the thermodynamic properties of Ca$_{2-x}$Sr$_{x}$RuO$_4$ in the intermediate metallic region with tilt and rotational distortions ($0.2\leq x \leq 0.5$). We find strong and anisotropic…

Strongly Correlated Electrons · Physics 2009-11-11 J. Baier , T. Zabel , M. Kriener , P. Steffens , O. Schumann , O. Friedt , A. Freimuth , A. Revcolevschi , S. Nakatsuji , Y. Maeno , T. Lorenz , M. Braden

Using the latest data pertaining to \bar u-\bar d asymmetry and the spin polarization functions, detailed implications of the possible values of the coupling strength of the singlet Goldstone boson \eta' have been investigated in the…

High Energy Physics - Phenomenology · Physics 2010-11-05 Harleen Dahiya , Manmohan Gupta , J. M. S. Rana

Magnetic susceptibility and specific heat measurements in magnetic fields were performed on an $S=1/2$ one-dimensional antiferromagnet KCuGaF$_6$. Exchange interaction was evaluated as $J/k_{\rm B}\simeq 100$ K. However, no magnetic…

Strongly Correlated Electrons · Physics 2009-11-11 R. Morisaki , T. Ono , H. Tanaka , H. Uekusa

We use QCD spectral sum rules to extract the Sigma_c and Lambda_c magnetic moments. The elctromagnetic field is treated as the external field. We adopt the value of the susceptibility chi=-4.5 GeV^{-2}, which is determined from an overall…

High Energy Physics - Phenomenology · Physics 2009-10-30 Shi-Lin Zhu , Ze-Sen Yang , W-Y. P. Hwang

We have investigated the temperature dependence of the magnetic susceptibility $\chi(T)$ of rare-earth cobaltites RCoO$_3$ (R= La, Pr, Nd, Sm, Eu) in the temperature range $4.2-300$ K and also the influence of hydrostatic pressure up to 2…

We report detailed dc magnetization, linear and non-linear ac susceptibility measurements on the hole doped disordered cobaltite La$_{0.5}$Ba$_{0.5}$CoO$_3$. Our results show that the magnetically ordered state of the system consists of…

Strongly Correlated Electrons · Physics 2012-11-22 Devendra Kumar , A. Banerjee

By means of ac magnetic-susceptibility measurements, we find evidence for a new magnetic phase of Tb$_2$Ti$_2$O$_7$ below about 140 mK in zero magnetic field. In magnetic fields parallel to [111], this phase---exhibiting frequency- and…

Strongly Correlated Electrons · Physics 2015-06-05 L. Yin , J. S. Xia , Y. Takano , N. S. Sullivan , Q. J. Li , X. F. Sun

Neutron diffraction measurements on a single crystal of CeGe1.76 reveal a complex series of magnetic transitions at low temperature. At T_N = 7 K, there is a transition from a paramagnetic state at higher temperature to an incommensurate…

Strongly Correlated Electrons · Physics 2014-11-03 W. T. Jayasekara , W. Tian , H. Hodovanets , P. C. Canfield , S. L. Bud'ko , A. Kreyssig , A. I. Goldman

Electrical resistivity and ac-susceptibility measurements under high pressure were carried out in high-quality single crystals of $\alpha$-Mn. The pressure-temperature phase diagram consists of an antiferromagnetic ordered phase (0<$P$<1.4…

Strongly Correlated Electrons · Physics 2020-09-30 Takaaki Sato , Kazuto Akiba , Shingo Araki , Tatsuo C. Kobayashi

We have synthesized and characterized the four different stable phases of Na ordered Na$_{x}$CoO$_{2}$, for $0.65<x\lesssim 0.75$. Above 100K they display similar Curie-Weiss spin susceptibilities as well as ferromagnetic $q=0$ spin…

Strongly Correlated Electrons · Physics 2012-04-18 I. R. Mukhamedshin , H. Alloul , G. Collin , N. Blanchard

We use time-domain terahertz spectroscopy to measure the low energy conductivity and magnons in RuCl$_3$ under external magnetic field. At zero field, an oscillation with a frequency of 0.62 THz is clearly observed in time-domain spectrum…

Strongly Correlated Electrons · Physics 2018-09-19 L. Y. Shi , Y. Q. Liu , T. Lin , M. Y. Zhang , S. J. Zhang , L. Wang , Y. G. Shi , T. Dong , N. L. Wang

Magneto-acoustic investigations of the frustrated triangular-lattice antiferromagnet Cs2CuCl4 were performed for the longitudinal modes c11 and c33 in magnetic fields along the a-axis. The temperature dependence of the sound velocity at…

Strongly Correlated Electrons · Physics 2016-09-21 P. T. Cong , L. Postulka , B. Wolf , N. van Well , F. Ritter , W. Assmus , C. Krellner , M. Lang

We prospect magneto-dielectricity in $La_{0.53}Ca_{0.47}MnO_{3}$ across its paramagnetic (PMI) to ferromagnetic (FMM) isostructural transition at $T_{C} \sim 253K$, by magnetic ($(M)$), caloric ($(W)$), dielectric ($(\epsilon')$),…

Materials Science · Physics 2017-07-26 Suchita Pandey , Jitender Kumar , A. M. Awasthi

We study the topological charge fluctuations of an SU(2) lattice gauge theory containing both N_f=2 and 4 flavors of Wilson fermion, at low temperature with non-zero chemical potential $\mu$. The topological susceptibility, chi_T, is used…

High Energy Physics - Lattice · Physics 2015-05-27 Simon Hands , Philip Kenny

Our experimental (neutron diffraction, M\"ossbauer spectroscopy, magnetic susceptibility, specific heat) and numerical studies on the evolution of short- and long-range magnetic order in $\gamma_{\rm II}$-Li\(_2\)FeSiO\(_4\) suggest a…

Strongly Correlated Electrons · Physics 2025-01-20 W. Hergett , N. Bouldi , M. Jonak , C. Neef , C. Ritter , M. Abdel-Hafiez , F. Seewald , H. -H. Klauss , M. W. -Haverkort , R. Klingeler

It is found that the zero field susceptibility chi of the Ising model on the Cayley tree exhibits unusually weak divergence at the critical point Tc. The susceptibility amplitude is found to diverge at Tc proportionally to the tree…

Statistical Mechanics · Physics 2009-11-07 Tatijana Stosic , Borko D. Stosic , Ivon P. Fittipaldi

By inelastic neutron scattering, we have analyzed the magnetic correlations in the paramagnetic metallic region of the series Ca(2-x)Sr(x)RuO(4), 0.2<=x<=0.62. We find different contributions that correspond to 2D ferromagnetic fluctuations…

Strongly Correlated Electrons · Physics 2012-02-09 P. Steffens , O. Friedt , Y. Sidis , P. Link , J. Kulda , K. Schmalzl , S. Nakatsuji , M. Braden

We present a comprehensive study aimed at elucidating the complex magnetic correlations in Co$_2$TiSi$_{0.5}$Al$_{0.5}$ Heusler alloy having the partial B2-type structure amid L2$_1$ cubic main phase. The thermo-magnetization measurements…

Strongly Correlated Electrons · Physics 2024-08-26 Priyanka Yadav , Brajesh K. Mani , Rajendra S. Dhaka

We have investigated the structural and magnetic properties of a new cubic spinel LiZn$_{2}$V$_{3}$O$_{8}$ (LZVO) through x-ray diffraction, dc and ac susceptibility, magnetic relaxation, aging, memory effect, heat capacity and $^{7}$Li…

Strongly Correlated Electrons · Physics 2020-01-01 S. Kundu , T. Dey , A. V. Mahajan , N. Büttgen
‹ Prev 1 8 9 10 Next ›