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8 papers · 2 filters
Information-Theoretic Analysis of Weak Measurements and Their Reversal
Luis D. Zambrano Palma, Yusef Maleki, M. Suhail Zubairy
We study trade-off relations in information extraction from quantum systems subject to null-result weak measurements, where the absence of a detected photon continuously updates th…
Information conservation relations for weak measurement and its reversal
Yusef Maleki, Luis D. Zambrano Palma, M. Suhail Zubairy
We investigate the information distribution among different entities in the weak measurements protocol. Focusing on multilevel, decaying systems under continuous (no-click) monitor…
Improved Quantum Lifting by Coherent Measure-and-Reprogram
Alexandru Cojocaru, Juan Garay, Qipeng Liu +1
We give a tighter lifting theorem for security games in the quantum random oracle model. At the core of our main result lies a novel measure-and-reprogram framework that we call co…
The Janus State: A Universal Lower Bound for Second-Order Coherence
Arash Azizi
A single-mode squeezed vacuum is a foundational quantum state that, despite its nonclassical nature, exhibits classical-like, super-Poissonian photon statistics. This feature motiv…
Flowing Through Hilbert Space: Quantum-Enhanced Generative Models for Lattice Field Theory
Jehu Martinez, Andrea Delgado
Sampling from high-dimensional and structured probability distributions is a fundamental challenge in computational physics, particularly in the context of lattice field theory (LF…
Saturation of Quantum Cramer-Rao Bounds for Distributed Sensing via Error Sensitivity in SU(1,1)-SU(m) Interferometry
Girish S. Agarwal
Breaking the standard quantum limit in the sensing of parameters at different spatial locations, such as in a quantum network, is of great importance. Using the framework of quantu…