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(63)Cu-NMR measurements have been performed on two-leg hole-doped spin ladders Sr_{14-x}Ca_{x}Cu_{24}O_{41} single crystals (0-x-12) at several pressures up to the pressure domain where the stabilization of a superconducting ground state…

Strongly Correlated Electrons · Physics 2016-08-16 Y. Piskunov , D. Jérome , P. Auban-Senzier , P. Wzietek , C. Bourbonnais , U. Ammerhal , G. Dhalenne , A. Revcolevschi

We report a study of magnetic, thermal, and transport properties of La(3+) substituted Sr2RuO4, performed in order to investigate the effects of additional electron doping in this correlated metal. A gradual enhancement of the electronic…

Strongly Correlated Electrons · Physics 2007-05-23 N. Kikugawa , C. Bergemann , A. P. Mackenzie , Y. Maeno

Using small-angle neutron scattering we have studied the vortex lattice in superconducting MgB$_2$ with the magnetic field applied along the $c$-axis, doped with either manganese or carbon to achieve a similar suppression of the critical…

Applying external strain is an efficient way to manipulate the site preference of dopants in semiconductors, however, the validity of the previous continuum elastic model for the strain influence on the doping forma- tion energy is still…

Materials Science · Physics 2015-03-19 Z. T. Wang , Shiyou Chen , X. M. Duan , D. Y. Sun , X. G. Gong

Within the Kotliar-Ruckenstein slave-boson approach, we have studied the antiferromagnetic (AF) properties for the $t$-$t'$-$t''$-$U$ model applied to electron-doped cuprate superconductors. Due to inclusion of spin fluctuations the AF…

Strongly Correlated Electrons · Physics 2009-11-11 Qingshan Yuan , Feng Yuan , C. S. Ting

Carrier-dopant exchange interactions in Mn-doped PbS colloidal quantum dots were studied by circularly polarized magneto-photoluminescence. Mn substitutional doping leads to paramagnetic behavior down to 5 K. While undoped quantum dots show…

Mesoscale and Nanoscale Physics · Physics 2016-10-18 Gen Long , Biplob Barman , Savas Delikanli , Yu Tsung Tsai , Peihong Zhang , Athos Petrou , Hao Zeng

A predecessor pilot (Cacioli, 2026) found that Llama-3-8B implements prompted sandbagging as positional collapse rather than answer avoidance. However, fixed option ordering in MMLU-Pro left open whether this reflected a model-level…

Computation and Language · Computer Science 2026-04-30 Jon-Paul Cacioli

With the relatively high critical temperature (Tc) of 39 K1 and the high critical current density (Jc) of > 100000 A/cm2 in moderate fields, magnesium diboride (MgB2) superconductors could offer the promise of important large-scale and…

Superconductivity · Physics 2007-05-23 J. H. Kim , S. Zhou , M. S. A. Hossain , A. V. Pan , S. X. Dou

We performed a resonant inelastic X-ray scattering (RIXS) study of La$_{2-x}$Sr$_{x}$NiO$_{4+{\delta}}$ (LSNO) at the oxygen $K$ edge to investigate the nature of the doped holes with regard to charge excitations. Charge excitations of the…

The magnitude of the powder spin susceptibility of an optimally doped superconductor HgBa$_2$CuO$_{4+\delta}$ (Hg1201) in the normal state is found to be nearly the same as that of La$_{2-x}$Sr$_{x}$CuO$_{4}$ near the optimally doped level.…

Superconductivity · Physics 2018-01-17 Y. Itoh , T. Machi , A. Yamamoto

We investigated the doping dependence of magnetic excitations in the lightly doped cuprate La2-xSrxCuO4 via combined studies of resonant inelastic x-ray scattering (RIXS) at the Cu L3-edge and theoretical calculations. With increasing…

Using 23Na NMR measurements on sodium cobaltates at intermediate dopings (0.44<=x<=0.62), we establish the qualitative change of behavior of the local magnetic susceptibility at x*=0.63-0.65, from a low x Pauli-like regime to the high x…

Strongly Correlated Electrons · Physics 2009-11-13 G. Lang , J. Bobroff , H. Alloul , G. Collin , N. Blanchard

Nominally 45 nm GaN:Mg/ 5 nm (Ga,Mn)N / 45 nm GaN:Mg trilayers structures prepared by molecular beam epitaxy on GaN-buffered Al2O3 substrates are investigated to verify whether the indirect co-doping by holes from the cladding layers can…

Materials Science · Physics 2021-02-25 Katarzyna Gas , Gerd Kunert , Piotr Dluzewski , Rafal Jakiela , Detlef Hommel , Maciej Sawicki

Molecular docking is a core tool in drug discovery for predicting ligand-target interactions. Despite the availability of diverse search-based and machine learning approaches, no single docking algorithm consistently dominates, as…

Artificial Intelligence · Computer Science 2025-10-01 Siyuan Cao , Hongxuan Wu , Jiabao Brad Wang , Yiliang Yuan , Mustafa Misir

Neutron scattering experiments were performed on single crystals of layered cobalt-oxides La2-xCaxCoO4 (LCCO) to characterize the charge and spin orders in a wide hole-doping range of 0.3<x<0.8. For a commensurate value of x=0.5 in (H,0,L)…

Strongly Correlated Electrons · Physics 2009-11-13 K. Horigane , H. Hiraka , T. Uchida , K. Yamada , J. Akimitsu

We study the temperature and field dependence of the magnetic and transport properties of the non-Fermi-liquid compound Ce(Ru_{1-x}Rh_x)_2Si_2 at x=0.5. For fields $\lesssim $0.1T the experimental results show signatures of the presence of…

Strongly Correlated Electrons · Physics 2009-10-31 Y. Tabata , D. R. Grempel , M. Ocio , T. Taniguchi , Y. Miyako

Model Predictive Control (MPC) provides interpretable, tunable locomotion controllers grounded in physical models, but its robustness depends on frequent replanning and is limited by model mismatch and real-time computational constraints.…

Robotics · Computer Science 2025-10-15 Se Hwan Jeon , Ho Jae Lee , Seungwoo Hong , Sangbae Kim

We show that the prediction for $\alpha_s(M_Z)$ in flipped SU(5) is naturally lower than in minimal SU(5), and that the former can accommodate the full range of $\alpha_s(M_Z)$ presently allowed by experiment. Our computations include…

High Energy Physics - Phenomenology · Physics 2009-09-11 J. Ellis , J. Lopez , D. Nanopoulos

Positive dependencies have been compared in the literature under rather strong assumptions such as equality of conditional distributions, exchangeability, or stationarity. We establish supermodular ordering results for distributions that…

Statistics Theory · Mathematics 2025-11-11 Jonathan Ansari , Moritz Ritter

We report a ^{125}Te-NMR study of single-crystalline Pb_{1-x}Tl_{x}Te for x= 0 (undoped non-superconducting "parent"), 0.35 at% (doped but on the borderline of superconductivity), and 1.0 at% (superconducting, with a critical temperature Tc…