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Squeezed States of Composite Bosons

Published:Dec 29, 2025 21:11
1 min read
ArXiv

Analysis

This paper explores squeezed states in composite bosons, specifically those formed by fermion pairs (cobosons). It addresses the challenges of squeezing in these systems due to Pauli blocking and non-canonical commutation relations. The work is relevant to understanding systems like electron-hole pairs and provides a framework to probe compositeness through quadrature fluctuations. The paper's significance lies in extending the concept of squeezing to a non-standard bosonic system and potentially offering new ways to characterize composite particles.
Reference

The paper defines squeezed cobosons as eigenstates of a Bogoliubov transformed coboson operator and derives explicit expressions for the associated quadrature variances.

Analysis

This paper introduces DifGa, a novel differentiable error-mitigation framework for continuous-variable (CV) quantum photonic circuits. The framework addresses both Gaussian loss and weak non-Gaussian noise, which are significant challenges in building practical quantum computers. The use of automatic differentiation and the demonstration of effective error mitigation, especially in the presence of non-Gaussian noise, are key contributions. The paper's focus on practical aspects like runtime benchmarks and the use of the PennyLane library makes it accessible and relevant to researchers in the field.
Reference

Error mitigation is achieved by appending a six-parameter trainable Gaussian recovery layer comprising local phase rotations and displacements, optimized by minimizing a quadratic loss on the signal-mode quadratures.

Research#Bayesian🔬 ResearchAnalyzed: Jan 10, 2026 10:11

BayesSum: Bayesian Quadrature Advances for Discrete Spaces

Published:Dec 18, 2025 02:43
1 min read
ArXiv

Analysis

The article focuses on BayesSum, a Bayesian quadrature method, within discrete spaces, indicating a niche area of research. This research potentially contributes to more efficient and robust computations in areas where discrete data is prevalent.
Reference

BayesSum: Bayesian Quadrature in Discrete Spaces

Analysis

This article likely presents a technical solution for improving the performance of communication systems. The focus is on addressing a specific problem (IQ imbalance) in a specific modulation scheme (16QAM) using a novel architectural approach. The 'low-complexity' aspect suggests an emphasis on practical implementation and efficiency.

Key Takeaways

    Reference