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Chemical reaction, Conditions and laws of --- Réactions chimiques --- Mécanismes --- Potential energy surfaces --- Energy surfaces, Potential --- PES (Quantum chemistry) --- Potential energy hypersurfaces --- Surfaces, Potential energy --- Quantum chemistry --- Conditions and laws of chemical reaction --- Reaction, Conditions and laws of (Chemistry) --- Chemistry, Physical and theoretical --- Physical laws --- Réactions chimiques --- Mécanismes --- PHYSICAL CHEMISTRY --- MOLECULES --- NUCLEIC ACIDS --- VIBRATION --- BENZENE --- POLYMERS --- MECHANICS --- QUANTUM MECHANICS --- STATISTICAL
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Excited state chemistry --- Molecular dynamics --- Chimie des états excités --- Dynamique moléculaire --- 539.194 --- 531.64 --- Potential energy surfaces --- #WSCH:AAS2 --- Energy surfaces, Potential --- PES (Quantum chemistry) --- Potential energy hypersurfaces --- Surfaces, Potential energy --- Quantum chemistry --- Dynamics, Molecular --- Dynamics --- Chemistry, Physical and theoretical --- Energy levels (Quantum mechanics) --- Internal mechanics of molecules. Energy relationships. Vibration and rotation in molecules. Electronic levels. Bonds. Resonance energies, potentials. Nuclear coupling. Polarizability etc. --- Potential energy --- 531.64 Potential energy --- 539.194 Internal mechanics of molecules. Energy relationships. Vibration and rotation in molecules. Electronic levels. Bonds. Resonance energies, potentials. Nuclear coupling. Polarizability etc. --- Chimie des états excités --- Dynamique moléculaire --- Internal mechanics of molecules. Energy relationships. Vibration and rotation in molecules. Electronic levels. Bonds. Resonance energies, potentials. Nuclear coupling. Polarizability etc --- Molecular dynamics. --- Energy level excitation --- Potential energy and function --- Quantum mechanics --- Reaction (chemistry) --- Reaction kinetics --- Scattering
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This thesis addresses the surprising features of zero-temperature statics and dynamics of several spin glass models, including correlations between soft spins that arise spontaneously during avalanches, and the discovery of localized states that involve the presence of two-level systems. It also presents the only detailed historiographical research on the spin glass theory. Despite the extreme simplicity of their definition, spin glasses display a wide variety of non-trivial behaviors that are not yet fully understood. In this thesis the author sheds light on some of these, focusing on both the search for phase transitions under perturbations of Hamiltonians and the zero-temperature properties and responses to external stimuli. After introducing spin glasses and useful concepts on phase transitions and numerics, the results of two massive Monte Carlo campaigns on three-dimensional systems are presented: The first of these examines the de Almeida–Thouless transition, and proposes a new finite-size scaling ansatz, which accelerates the convergence to the thermodynamic limit. The second reconstructs the phase diagram of the Heisenberg spin glass with random exchange anisotropy. .
Physics. --- Phase transitions (Statistical physics). --- Quantum computers. --- Spintronics. --- Phase Transitions and Multiphase Systems. --- Numerical and Computational Physics. --- Ceramics, Glass, Composites, Natural Methods. --- Quantum Information Technology, Spintronics. --- History and Philosophical Foundations of Physics. --- Potential energy surfaces. --- Energy surfaces, Potential --- PES (Quantum chemistry) --- Potential energy hypersurfaces --- Surfaces, Potential energy --- Quantum chemistry --- Numerical and Computational Physics, Simulation. --- Ceramics, Glass, Composites, Natural Materials. --- Ceramics. --- Glass. --- Composites (Materials). --- Composite materials. --- Fluxtronics --- Magnetoelectronics --- Spin electronics --- Spinelectronics --- Microelectronics --- Nanotechnology --- Computers --- Composites (Materials) --- Multiphase materials --- Reinforced solids --- Solids, Reinforced --- Two phase materials --- Materials --- Amorphous substances --- Ceramics --- Glazing --- Ceramic technology --- Industrial ceramics --- Keramics --- Building materials --- Chemistry, Technical --- Clay --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Phase changes (Statistical physics) --- Phase transitions (Statistical physics) --- Phase rule and equilibrium --- Statistical physics
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