Data-driven approach to the deep learning of the dynamics of a non-integrable Hamiltonian system. [PDF]
Doria Rosales E, Carbone V, Lepreti F.
europepmc +1 more source
Explicit Canonical Methods for Hamiltonian Systems [PDF]
Daniel Okunbor, Robert D. Skeel
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A novel concept for catalytic asymmetric 1,3‐dipolar cycloadditions with iminoesters employs modular polyfunctional Lewis acid/azolium‐aryloxide betaine catalysts, controlling endo‐ and exo‐selectivity through adjustments of metal center, azolium, and sterics.
Adrian Bürstner+13 more
wiley +1 more source
Ultrafast Demagnetization Through Femtosecond Generation of Non‐Thermal Magnons
A fully ab initio parametrized model is developed to describe out‐of‐equilibrium magnon dynamics in ferromagnetic metals. Applying this model to ultrafast laser‐induced demagnetization, it is revealed that the generation of non‐thermal magnons provides a sizable demagnetization within 200 fs in excellent comparison with experiments, which establishes ...
Markus Weißenhofer, Peter M. Oppeneer
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Squeezing noises as weak coupling limit of Hamiltonian system [PDF]
Luigi Accardi, Yun Gang Lu
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Axion‐Like Interactions and CFT in Topological Matter, Anomaly Sum Rules and the Faraday Effect
This review investigates the connection between chiral anomalies and their manifestation in topological materials, using both perturbative methods based on ordinary quantum field theory and conformal field theory (CFT). It emphasizes the role of CFT in momentum space for parity‐odd correlation functions, and their reconstruction by the inclusion of a ...
Claudio Corianò+4 more
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Spectral properties of two superconducting artificial atoms coupled to a resonator in the ultrastrong coupling regime. [PDF]
Tomonaga A+5 more
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Certain quadratic first integral and elliptic orbits of linear Hamiltonian system [PDF]
Shigeru Maeda
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Path Integral Spin Dynamics for Quantum Paramagnets
The study has developed a path integral method, which is a classical approach, combined with atomistic spin dynamics simulations to calculate thermal quantum expectation values. This method can handle Hamiltonians with non‐linear terms, which are important for describing uniaxial anisotropies and mechanical constraints.
Thomas Nussle+2 more
wiley +1 more source
Quantum phase transition in the Casten pyramid using entanglement entropy in the semi-classical approximation of IBM-2. [PDF]
Ghapanvari M+3 more
europepmc +1 more source