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 124
Rydberg-mediated microwave-to-optical transduction with tunable bandwidth
Coherent microwave-to-optical transduction is essential for hybrid quantum networks.Foundational puzzles on quantum universality: From Wigner's friend to black holes
Despite its remarkable empirical success and predictive power, quantum theory is riddled with mysteries.Certification failure in variational-principle observables
Algorithms which prepare states via the variational principle assume that closeness in energy implies closeness in state; we formalise how this assumption can fail by showing that a ground-state…Multi-Indexed Schatten Quasi- and Anti-Norms and Additivity of Conditional Rényi Entropies
We introduce and study multi-indexed Schatten spaces which lift the commutative $\ell_{q_1}\![\ell_{q_2}\![\ell_{q_3}\![\dots]]]$ -spaces to the quantum toolbox.Accelerated search for global extrema in structured quantum signals
Extreme values of a physical system are rare by definition, yet they can govern some of its most consequential and anomalous behavior.Modal input-output theory for quantum nanophotonics from the first-order Maxwell operator
We develop a quantum input-output theory for open photonic systems based on macroscopic quantum electrodynamics using the first-order electromagnetic Green's function.Energy-filtered readout preserves gap-enhanced sensing in interacting quantum dots
A small excitation gap makes a quantum dot a sensitive probe of a weak electric field, but the charge detector that reads the probe can also excite it.Interaction-Aware Embedding Optimization for Neutral-Atom Quantum Processors
Neutral atom-based quantum computers have the ability to dynamically reshape the qubit register geometry between experimental runs.Gate-Based Quantum Simulation of Finite-Temperature Open-System Dynamics: A Post-Processing Reconstruction Approach for Collision Models
Simulating open-system dynamics on gate-based quantum computers offers a route to exploring dissipative quantum phenomena through programmable quantum processing.PyCC: A Reference Quantum Chemistry Python Package for Education, Validation, and Rapid Prototyping
PyCC is a Python-based quantum chemistry package that emphasizes coupled cluster and related methods.Complexity study of the Hartle-Hawking state in JT gravity
The Wigner function, in general, takes on negative values, and the amount of negativity in the Wigner function gives an operationally meaningful measure of the complexity of simulating the quantum…Beyond IP = PSPACE and QIP = PSPACE: Interactive Proofs in Arbitrary Physical Theories
The equalities IP = PSPACE and QIP = PSPACE, the latter achievable with three messages, raise a basic question: how much of an interactive proof's power comes from the underlying physical theory?From Steane to A7: Quantum Codes from Invariant States
We construct a two-parameter family of single-error-correcting seven-ququart codes with transversal $\tilde{A_7}$ symmetry, realizing the finite component of a two-qubit super-golden gate set.A Quantum Phase Neural Network with Multi-Inputs/Single-Output
A 35 input/single output quantum phase neural network (QPNN) is proposed to recognize the English letters' A 'and' B 'composed 7*5 of pixels.A Gate-Based Quantum Computing Framework for Codon Optimization
Codon optimization is a challenging combinatorial optimization problem with important applications in synthetic biology, protein expression, and biotechnology.Telecom-Band Optical Transitions of Erbium Atoms in Rare-Gas Solids
Rare-earth (RE) atoms, such as erbium (Er), have inner-shell optical transitions in the near-infrared, some of which are in the telecom bands.TATVA: A Reinforcement Learning Framework for Quantum Circuit Synthesis
One of the most important initial steps in quantum computing is high-fidelity quantum state preparation, because errors in it can affect the final computational result.Sublinear-depth Quantum Simulation of Electrons with Atomic Orbitals
Discretizing electronic degrees of freedom into atomic orbitals is the default choice to accurately model electrons in molecules in a compact and flexible way.Exact $T$-counts of CCZ layers from an isotropy bound
The $T$-count is a dominant cost of fault-tolerant Clifford$+T$ computation.Device-Independent Conference Keys from Parity-Extended Games
Device-independent conference key agreement (DI-CKA) lets a group of parties establish a shared secret key from untrusted quantum devices, with security certified by non-locality.