Haar random qubit states show vanishing fermionic non-Gaussianity for subsystems smaller than half the total size without symmetry, small but finite non-Gaussianity with U(1) symmetry, and extensive non-Gaussianity for larger subsystems.
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The paper defines a geometric deficiency measure relative to maximal resource states and claims it exactly quantifies the operational disadvantage in subchannel discrimination.
Lecture notes on quantum thermodynamics showing emergence of thermodynamic laws from quantum theory via Markovian master equations for small systems.
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Non-Gaussianity of random quantum states
Haar random qubit states show vanishing fermionic non-Gaussianity for subsystems smaller than half the total size without symmetry, small but finite non-Gaussianity with U(1) symmetry, and extensive non-Gaussianity for larger subsystems.
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A Deficiency-Based Approach for the Operational Interpretation of Quantum Resources with Applications
The paper defines a geometric deficiency measure relative to maximal resource states and claims it exactly quantifies the operational disadvantage in subchannel discrimination.
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Quantum Thermodynamics
Lecture notes on quantum thermodynamics showing emergence of thermodynamic laws from quantum theory via Markovian master equations for small systems.