Semiclassical Lindblad master equation for spin dynamics

Abstract

We derive the semi-classical Lindblad master equation in phase space for both canonical and non-canonical Poisson brackets using the Wigner-Moyal formalism and the Moyal star-product. The semi-classical limit for canonical dynamical variables, i.e., canonical Poisson brackets, is the Fokker-Planck equation, as derived before. We generalize this limit and show that it holds also for non-canonical Poisson brackets. Examples are gyro-Poisson brackets, which occur in spin ensembles, systems of recent interest in atomic physics and quantum optics. We show that the equations of motion for the collective spin variables are given by the Bloch equations of nuclear magnetization with relaxation. The Bloch and relaxation vectors are expressed in terms of the microscopic operators: The Hamiltonian and the Lindblad functions in the Wigner-Moyal formalism.

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Cited by in corpus (10)

• Algebraic Theory of Quantum Synchronization and Limit Cycles under Dissipation
• Quantum Origin of Limit Cycles, Fixed Points, and Critical Slowing Down
• Dynamic mean-field theory for dense spin systems at infinite temperature
• Dissipative Quantum Chaos unveiled by Stochastic Quantum Trajectories
• Symmetry-induced decoherence-free subspaces
• Understanding the dynamics of randomly positioned dipolar spin ensembles
• Dynamical signatures of discontinuous phase transitions: How phase coexistence determines exponential versus power-law scaling
• Relaxation Control of Open Quantum Systems
• Classical correspondence beyond the Ehrenfest time for open quantum systems with general Lindbladians
• Time Glasses: Symmetry Broken Chaotic Phase with a Finite Gap