A master equation for spin systems far from equilibrium.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of magnetic resonance"
DOI: 10.1016/j.jmr.2019.106645
Abstract: The quantum dynamics of spin systems is often treated by a differential equation known as the master equation, which describes the trajectories of spin observables such as magnetization components, spin state populations, and coherences between… read more here.
Keywords: equation; master equation; spin systems; thermal equilibrium ... See more keywords
Linear Combinations of Cluster Mean-Field States Applied to Spin Systems.
Sign Up to like & getrecommendations! Published in 2024 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.4c00171
Abstract: We present an innovative cluster-based method employing linear combinations of diverse cluster mean-field states and apply it to describe the ground state of strongly correlated spin systems. In cluster mean-field theory, the ground state wave… read more here.
Keywords: linear combinations; spin systems; field states; mean field ... See more keywords
Toward New Horizons in Verdazyl-Nitroxide High-Spin Systems: Thermally Robust Tetraradical with Quintet Ground State.
Sign Up to like & getrecommendations! Published in 2024 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.4c04391
Abstract: High-spin organic tetraradicals with significant intramolecular exchange interactions have high potential for advanced technological applications and fundamental research, but examples reported to date exhibit limited stability and processability. In this work, we designed the first… read more here.
Keywords: verdazyl nitroxide; spin systems; ground state; high spin ... See more keywords
Calculation of exchange couplings in the electronically excited state of molecular three-spin systems
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Science"
DOI: 10.1039/d2sc04701b
Abstract: Photogenerated molecular three-spin systems, composed of a chromophore and a covalently bound stable radical, are promising candidates for applications in the field of molecular spintronics. Through excitation with light, an excited doublet state and a… read more here.
Keywords: state; three spin; spin systems; exchange ... See more keywords
Delta-Davidson method for interior eigenproblem in many-spin systems* * Project supported by the National Natural Science Foundation of China (Grant Nos. 91836101, U1930201, and 11574239).
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abd74a
Abstract: Many numerical methods, such as tensor network approaches including density matrix renormalization group calculations, have been developed to calculate the extreme/ground states of quantum many-body systems. However, little attention has been paid to the central… read more here.
Keywords: spin systems; delta davidson; many spin; davidson method ... See more keywords
Phase space geometry of collective spin systems: Scaling and fractality.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review. E"
DOI: 10.1103/784q-xqmm
Abstract: We examine the scaling of the inverse participation ratio of spin coherent states in the energy basis of three collective spin systems: a bounded harmonic oscillator, the Lipkin-Meshkov-Glick model, and the quantum kicked top. The… read more here.
Keywords: collective spin; phase space; geometry; spin systems ... See more keywords
Energy Diffusion in the Long-Range Interacting Spin Systems.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review letters"
DOI: 10.1103/hsbt-c46n
Abstract: We investigate energy diffusion in long-range interacting spin systems, where the interaction decays algebraically as V(r)∝r^{-α} with the distance r between the sites. We consider prototypical spin systems, the transverse Ising model, and the XYZ… read more here.
Keywords: energy diffusion; spin systems; diffusion long; range interacting ... See more keywords
Thermal Hall effect incorporating magnon damping in localized spin systems
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/physrevb.109.174442
Abstract: We propose a theory for thermal Hall transport mediated by magnons to address the impact of their damping resulting from magnon-magnon interactions in insulating magnets. This phenomenon is anticipated to be particularly significant in systems… read more here.
Keywords: magnon; spin systems; incorporating magnon; magnon damping ... See more keywords
Spin liquids from Majorana zero modes in a Cooper-pair box
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.075107
Abstract: We propose a path for constructing diverse interacting spin systems from topological nanowires in Cooper Boxes. The wires are grouped into a three-wire building block called an 'hexon', consisting of six Majorana zero modes. In… read more here.
Keywords: zero modes; spin systems; liquids majorana; spin liquids ... See more keywords
Trajectory phase transitions in noninteracting spin systems.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review. E"
DOI: 10.1103/physreve.101.042115
Abstract: We show that a collection of independent Ising spins evolving stochastically can display surprisingly large fluctuations toward ordered behavior, as quantified by certain types of time-integrated plaquette observables, despite the underlying dynamics being noninteracting. In… read more here.
Keywords: spin systems; trajectory phase; noninteracting spin; phase transitions ... See more keywords
Two minimal-variable symplectic integrators for stochastic spin systems.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review. E"
DOI: 10.1103/physreve.111.054201
Abstract: We present two symplectic integrators for stochastic spin systems, based on the classical implicit midpoint method. The spin systems are identified with Lie-Poisson systems in matrix algebras, after which the numerical methods are derived from… read more here.
Keywords: integrators stochastic; two minimal; spin systems; symplectic integrators ... See more keywords