Real-time renormalization group on quantum operations produces chaotic flows in coherent-dominant regimes, and the measurement-induced PT transition belongs to the 1D Yang-Lee edge singularity universality class.
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Optimal initial states for non-equilibrium quantum thermometry exhibit the quantum Mpemba effect and thermalize faster than most states in Markovian models.
Ultimate precision bounds for multiparameter Markovian noise metrology show average variance scaling as Ω(1/(T R²)) with Heisenberg scaling in dissipative channels R when using entangled probes and high-rank signal correlations, attainable via rapid prepare-and-measure protocols.
Loss in an auxiliary cavity induces nonreciprocal excitation exchange in a three-cavity quantum battery, yielding significantly higher steady-state energy in the battery than the charger.
Optimal cavity modulation via Krylov theory extends qubit lifetime in inhomogeneous spin ensembles by an order of magnitude over inhomogeneity and cavity losses.
A new bound based on state-Hamiltonian correlations gives the exact maximum efficiency for multi-bath thermal engines and is achievable beyond the quasistatic regime in a quantum dot model.
Open photon condensates form metastable plateaus with thermal-like fluctuations and undergo multiple non-Hermitian phase transitions via ghost attractors and exceptional points.
Quantum trajectory algorithm achieves additive O(T + log(1/ε)) query complexity for simulating dissipative Lindbladians.
Decoherence of spatial superpositions along stationary worldlines arises from a red-shifted polarizability leading to thermal-like effects from modified field spectrum and differential time dilation.
Simulations demonstrate that Krotov optimal control can achieve gate fidelities ≳0.9 in noisy static exchange-coupled surface qubits by adapting to specific noise sources, outperforming standard Rabi driving.
citing papers explorer
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Renormalization of Quantum Operations: Parity-Time Transition and Chaotic Flows
Real-time renormalization group on quantum operations produces chaotic flows in coherent-dominant regimes, and the measurement-induced PT transition belongs to the 1D Yang-Lee edge singularity universality class.
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Quantum Mpemba Effect in Non-Equilibrium Quantum Thermometry
Optimal initial states for non-equilibrium quantum thermometry exhibit the quantum Mpemba effect and thermalize faster than most states in Markovian models.
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Precision Limits of Multiparameter Markovian-Noise Metrology
Ultimate precision bounds for multiparameter Markovian noise metrology show average variance scaling as Ω(1/(T R²)) with Heisenberg scaling in dissipative channels R when using entangled probes and high-rank signal correlations, attainable via rapid prepare-and-measure protocols.
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Loss-induced nonreciprocal quantum battery
Loss in an auxiliary cavity induces nonreciprocal excitation exchange in a three-cavity quantum battery, yielding significantly higher steady-state energy in the battery than the charger.
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Optimally Controlled Storage of a Qubit in an Inhomogeneous Spin Ensemble
Optimal cavity modulation via Krylov theory extends qubit lifetime in inhomogeneous spin ensembles by an order of magnitude over inhomogeneity and cavity losses.
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An Information-Theoretic Bound on Thermodynamic Efficiency and the Generalized Carnot's Theorem
A new bound based on state-Hamiltonian correlations gives the exact maximum efficiency for multi-bath thermal engines and is achievable beyond the quasistatic regime in a quantum dot model.
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Emergent thermal fluctuations and non-Hermitian phase transitions in open photon condensates
Open photon condensates form metastable plateaus with thermal-like fluctuations and undergo multiple non-Hermitian phase transitions via ghost attractors and exceptional points.
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Quantum algorithms based on quantum trajectories
Quantum trajectory algorithm achieves additive O(T + log(1/ε)) query complexity for simulating dissipative Lindbladians.
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Decoherence of spatial superpositions along stationary worldlines
Decoherence of spatial superpositions along stationary worldlines arises from a red-shifted polarizability leading to thermal-like effects from modified field spectrum and differential time dilation.
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Overcoming limitations on gate fidelity in noisy static exchange-coupled surface qubits
Simulations demonstrate that Krotov optimal control can achieve gate fidelities ≳0.9 in noisy static exchange-coupled surface qubits by adapting to specific noise sources, outperforming standard Rabi driving.