A mechanical squeezed-Fock qubit gravimeter is proposed in which squeezing enhances gravity-induced transitions in a Duffing oscillator while converting dissipation into anisotropic noise.
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Symmetry mismatch between SU(2) Hamiltonian and U(1) Liouvillian in a long-range XXZ chain with dephasing selects fast eigenmodes, enabling size-independent fast relaxation and a strong quantum Mpemba effect.
Using the truncated Wigner approximation on large 1D and 2D systems, the authors find a pronounced slowdown in magnetization relaxation and transient signatures of quantum kinetically constrained dynamics starting from polarized and Néel states.
In a monitored Rashba chain the disconnected entanglement entropy stays topological for a time linear in system size because monitoring switches between degenerate topological states while poisoning other quasiparticles.
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Quantum to classical relaxation dynamics of the dissipative Rydberg gas
Using the truncated Wigner approximation on large 1D and 2D systems, the authors find a pronounced slowdown in magnetization relaxation and transient signatures of quantum kinetically constrained dynamics starting from polarized and Néel states.