Quantum Physics · Physics & Astronomy
Quantum Physics
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3,630 papers, from 4 September 2026 to 5 November 2026: 3,630 arXiv preprints.
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Newest papers, page 27
A Zoo of Fermionic Relative Rényi Negativities in the Sachdev-Ye-Kitaev Models
Quantum entanglement is a fundamental resource that gives rise to correlations with no classical counterpart in strongly correlated fermionic systems.Provably efficient experimental classification of quantum data with quantum kernels
Analyzing quantum systems is essential for quantum information processing, but can require exponentially many measurements without exploiting the structure of the system or task.Composable Device-Independent Quantum Digital Signatures
Extending device-independent (DI) quantum cryptography to composably support all fundamental information security objectives is crucial for secure quantum networks.Analytic Solutions To Fully Quantized Parametric Amplification
We derive analytic expressions for observable dynamics under the fully quantized trilinear Hamiltonian, governing quantum three-wave mixing and parametric amplification.Conditional Information Flow and Neural Representability of One-Dimensional Rotated Cluster States
I study how measurement outcomes can remain conditionally dependent over long distances while the underlying state carries only a small internal memory, using one-dimensional rotated cluster states…Pöschl-Teller type of Jaynes-Cummings Hamiltonians: SUSY transformations
The aim of this work is to define and investigate the generalized Jaynes-Cummings (JC) Hamiltonian by means of supersymmetric (SUSY) quantum mechanics methods.QSoftCore: A Conceptual Foundation for Quantum Software Engineering
Quantum software engineering (QSE) requires understanding application requirements, quantum programs and algorithms, quantum computation paradigms, executions, and deployment.SeQUeNCe.DQC: Full-stack Simulation of Distributed Quantum Computing
Distributed quantum computing (DQC) connects multiple quantum processing units to overcome the scale limits of monolithic hardware.Automated Verification of Hamiltonian Simulation by Quantum Signal Processing
We present, to the best of our knowledge, the first fully automated verification framework for QSP-based Hamiltonian simulation.Optimal Linear Combination of Hamiltonian Simulation for Dissipative Dynamics
Linear combination of Hamiltonian simulation (LCHS) is an efficient method for simulating dissipative dynamics on quantum computers.Adiabatic training of VQAs for entanglement detection
This paper introduces a hybrid quantum framework for training Variational Quantum Algorithms (VQAs) aimed at addressing the fundamental problem of entanglement detection using adiabatic quantum…Sharp Tilting Inequalities
For positive semidefinite matrices $A,B$ and $1/2\leα\le1$, we establish $\operatorname{Tr}\!\left[A\,D\log(A^α+B^α)(B^α)\right] \le s^s(1-s)^{1-s}\operatorname{Tr}[A^αB^{1-α}]$, where $s=(1-α)/α$…Probabilistic imaginary-time evolution via compiled diagonal representations
We introduce a probabilistic imaginary-time evolution scheme based on a compiled approximate diagonal representation of the Hamiltonian.Detection and Inhibition of Decoherence Through Collisions: A dynamical approach
Quantum systems are intrinsically fragile and highly vulnerable to environmental noise, making the preservation of quantum states one of the fundamental challenges in realizing practical quantum…Error-Corrected Quantum Optimization via Rydberg Atom Array Embeddings
Rydberg atom quantum optimizers naturally encode the maximum independent set problem on geometric graphs.Optimized Dynamical Decoupling for Spin Ensembles with Large Inhomogeneities
Spin ensembles show increasing promise for highly efficient quantum sensing and quantum technologies.Quantum Query Complexity of Tournament Solutions
A tournament solution records a set of winners from a tournament, that is, from the outcomes of all pairwise comparisons among $N$ alternatives.Maximum-Entropy Ensemble of Quantum Subsystems with a Fixed Average State
The reduced density matrices of Haar-random bipartite states form a fixed-trace version of the Wishart ensemble of random matrices, with an asymptotic eigenvalue density given by the…Non-Asymptotic Bounds via the Nussbaum-Szkoła Mapping for Quantum Hypothesis Testing
Quantum hypothesis testing concerns the discrimination between quantum states.Digital-Analog Quantum Neural Network with Long-Range Interactions
Protocols combining single-qubit digital operations with analog quantum evolutions bypass large numbers of two-qubit entangling gates, offering a promising approach to variational algorithms and…