Results 41 to 50 of about 370,267 (329)

Evidence for two spin-glass transitions with magnetoelastic and magnetoelectric couplings in the multiferroic (Bi$_{1-x}$Ba$_x$)(Fe$_{1-x}$Ti$_x$)O$_3$ system [PDF]

, 2018
For disordered Heisenberg systems with small single ion anisotropy, two spin glass transitions below the long range ordered phase transition temperature has been predicted theoretically for compositions close to the percolation threshold.
Kaushik, S. D., Kumar, Arun, Pandey, Dhananjai, Siruguri, V.   +3 more
core   +1 more source

Correlated domains in spin glasses [PDF]

Journal of Statistical Mechanics: Theory and Experiment, 2012
We study the 3D Edwards-Anderson spin glasses, by analyzing spin-spin correlation functions in thermalized spin configurations at low T on large lattices. We consider individual disorder samples and analyze connected clusters of very correlated sites: we analyze how the volume and the surface of these clusters increases with the lattice size.
Alain Billoire, MAIORANO, Andrea, MARINARI, Vincenzo   +2 more
openaire   +4 more sources

Exploring the critical behavior of the anomalous spin-glass transition in Ga1−xMnxS

AIP Advances
Single-crystalline Ga1−xMnxS is a quasi-two-dimensional system that exhibits an anomalous spin-glass transition temperature compared with the other well-known spin-glass systems. In contrast to the other known spin-glasses that all have three-dimensional
T. M. Pekarek, J. H. Blackburn, I. Miotkowski, A. K. Ramdas   +3 more
doaj   +1 more source

Equilibrium and off-equilibrium simulations of chiral-glass order in three-dimensional Heisenberg spin glasses

, 1998
Spin-glass and chiral-glass orderings in three-dimensional Heisenberg spin glasses are studied both by equilibrium and off-equilibrium Monte Carlo simulations. Fully isotropic model is found to exhibit a finite-temperature chiral-glass transition without
Binder, Fischer, H. Kawamura, Hukushima, K. Hukushima, Kawamura, Kawamura, Kawamura, Kawamura, Kawamura, Mydosh, Olive   +11 more
core   +1 more source

Spin glass freezing in Kondo lattice compounds [PDF]

, 2000
It is presented a theory that describes a spin glass phase at finite temperatures in Kondo lattice systems with an additional RKKY interaction represented by long range, random couplings among localized spins like in the Sherrington- Kirkpatrick (SK ...
Coqblin, B., Magalhaes, S. G., Schmidt, A. A., Theumann, Alba   +3 more
core   +3 more sources

Targeting the MDM2‐MDM4 interaction interface reveals an otherwise therapeutically active wild‐type p53 in colorectal cancer

Molecular Oncology, EarlyView.
This study investigates an alternative approach to reactivating the oncosuppressor p53 in cancer. A short peptide targeting the association of the two p53 inhibitors, MDM2 and MDM4, induces an otherwise therapeutically active p53 with unique features that promote cell death and potentially reduce toxicity towards proliferating nontumor cells.
Sonia Valentini, Giada Mele, Marika Attili, Maria Rita Assenza, Fulvio Saccoccia, Francesca Sardina, Cinzia Rinaldo, Roberto Massari, Nicola Tirelli, Alfredo Pontecorvi, Fabiola Moretti   +10 more
wiley   +1 more source

Investigation of experimental signatures of spin glass transition temperature

Frontiers in Physics
We present a series of temperature and field-dependent magnetization studies of large single-crystal spin glass samples, focusing on both field-cooled (FC) and zero-field-cooled (ZFC) magnetization studies, as well as ac susceptibility measurements ...
Sahil Pradhan, David Harrison, Gregory Kenning, Deborah L. Schlagel, Samaresh Guchhait   +4 more
doaj   +1 more source

Observation of spin glass behavior in chiral Mn48Fe34Si18 with a β-Mn related structure

AIP Advances, 2019
The ternary silicide system Fe-Mn-Si exhibits several complex magnetic phases and the chemical similarity of Fe and Mn enables these two elements to be mutually substituted over a wide compositional range.
Johannes Kroder, Johannes Gooth, Walter Schnelle, Gerhard H. Fecher, Claudia Felser   +4 more
doaj   +1 more source

Replica symmetry breaking transition of the weakly anisotropic Heisenberg spin glass in magnetic fields

, 2003
The spin and the chirality orderings of the three-dimensional Heisenberg spin glass with the weak random anisotropy are studied under applied magnetic fields by equilibrium Monte Carlo simulations.
Daisuke Imagawa, H. Kawamura, Hikaru Kawamura, J. A. Mydosh, K. Hukushima, K. H. Fischer, M. Picco   +6 more
core   +1 more source

Spin Glasses: A Perspective [PDF]

, 2007
For publication in the proceedings of International Conference on "Equilibrium and Dynamics of Spin Glasses" (Ascona, Switzerland: April 2004).
openaire   +4 more sources