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 104
Quantum Readout Complexity for Normalized Linear Functionals
Quantum numerical algorithms often encode a positive solution $q$ in the amplitudes of a quantum state, while the required scientific output is a normalized linear functional of $q$.Visualizing two qubits
I propose a simple visualization for pure two-qubit states, constructed from three components: two Bloch balls for the marginal qubits (the mixed states obtained by ignoring the other qubit…Zero Mode Operators and Charge-Conjugation Defects in Non-Abelian Fractional Quantum Hall-Superconductor Heterostructures
We study zero modes bound to charge-conjugation defects in fractional quantum Hall-superconductor (FQH-SC) heterostructures built from Abelian and non-Abelian FQH states.High-Fidelity Inter-Species Rydberg Gates with Two-Photon Driving
Recently, neutral atom arrays have become known for their promising potential in quantum information processing.Matter wave bistability with a momentum chirped Bose-Einstein condensate
While a Fabry-Perot (FP) cavity interferometer is a standard tool in modern optics, analogous physics can also be observed with matter waves such as Bose-Einstein condensates (BECs).Efficiently computable bounds on the energy-constrained quantum reading capacity
In quantum reading, classical messages are encoded in sequences of quantum channels and recovered by probing the channels and processing their outputs.An efficient variational polaron master equation for non-Markovian spin-boson dynamics: Transformed initial states and general observables
We investigate the effects of initial states on the dynamics of a quantum spin-boson model using an efficient variational polaron master equation approach.Valley transitions during spin shuttling in Si/SiGe heterostructures
Valley excitations are considered one of the biggest challenges for a coherent spin shuttling in Si/SiGe heterostructures.Teleportation of a programmable gate
Alice and Bob each have a qubit, and they would like to perform a two-qubit gate on them with the assistance of Charlie.Cost of Delay for Post-Quantum Migration: Putting Classical and Harvest-Now-Decrypt-Later Risk on One Ordered List
Organisations deciding which assets to migrate to post-quantum cryptography first, and how that work competes with a backlog of classical findings, lack a common unit: post-quantum scores are…Heating and Escape of Confined Atoms Subject to Colored Noise
The motion of a particle in a finite-depth confining potential, such as that of an electromagnetically trapped atom or ion, is approximately harmonic at low energy and softens as the escape energy…Geometric heat pumping on a quantum processor
Geometric heat pumping is the transfer of energy between reservoirs at equal temperature where the heat exchanged in an adiabatic cycle depends only on the driving contour in parameter space.Interaction-Assisted Spin Coherence in a Multimode Trapped Atomic Ensemble
In a thermally occupied multimode trapped ensemble, mode-dependent detunings can strongly suppress Ramsey contrast even when the underlying dynamics remains coherent.The coupler Eve did not monitor: a black-box cavity cheat
Eve receives two average photon counts, while a monitor watching for external leakage may register nothing.A Cognitive-Aware QML-CRL Framework for Detecting Affinity and Romance-Investment Fraud
We present a hybrid quantum-classical framework that detects affinity and romance-investment fraud by modelling the cognitive biases in a manipulative conversation.Transformer-Based Time-Series Inference of Lindblad Dynamics in Open Quantum Systems
The Lindblad master equation is the standard framework for describing the non-unitary evolution of open quantum systems, where environmental interactions induce dissipation and decoherence.Constraints on the Origin of Universal $1/f^2$ Photon-Count Spectra at Baseband
A series of 11.6-d-duration photon-counting experiments, employing a broad variety of light sources with different statistical properties and optical spectra, were carried out over a 1.5-yr period.Universal Improvement of Channel Fidelity via Entanglement Assistance
Communication using quantum channels generally requires encoding and decoding on many identical uses of a quantum channel.Momentum-Space Path Integral Approach to Non-Hermitian Symmetry Breaking
A quantum-classical correspondence for non-Hermitian symmetry breaking has recently been established using coordinate-space path integrals, providing a semiclassical understanding of spectral…An efficient Hamiltonian-based quantum algorithm for characters of the symmetric group
Consider a quantum state vector proportional to any given column of the character table of the symmetric group ($S_n$), corresponding to a superposition over the irreps weighted by the character…