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 168
Quantum Reinforcement Learning for Cost and Delay Tradeoffs in Quantum Cloud Orchestration
Quantum cloud computing, delivered through the quantum-as-a-service (QaaS) model, provides access to quantum computing resources.A 75-mL intrinsically stable atom-filtered laser enabling deployable quantum devices
Numerous quantum devices require lasers strictly locked to atomic transitions.Precision and resource scaling of real-time flux distortion compensation for superconducting quantum control
Real-time waveform generation supports dynamic quantum circuits without pre-storing complete waveforms for every execution path.On Relationship Between Circuit Depth and Trainability of VQAs
The training efficiency of Variational Quantum Algorithms (VQAs) is dictated by the geometry of their loss landscapes, which can be formally analysed by mapping these functions to random fields on…Optimal low-rank compression of quantum dynamics
Local quantum interactions generate dynamics in an exponentially large Hilbert space, yet locality and entanglement restrict the information that can spread and accumulate.Fate of average symmetry-protected topological states under symmetry-preserving quantum operations
The fate of average symmetry-protected topological (ASPT) states based on the one-dimensional cluster state is investigated by using the Choi mapping, namely, the doubled Hilbert-space formalism.Classical Root Systems Reveal Defect-Junction Data in Stabilizer Renyi Entropy
Universal information extracted from a critical quantum state depends on how the state is probed.Efficient learning of Clifford disentanglers and typical $t$-doped unitaries with exponentially more $T$ gates
Highly entangled and highly non-stabilizer quantum states need not be hard to learn.Scalable integration of silicon carbide color centers into nanophotonic structures
Color centers in silicon carbide are a promising platform for quantum technologies, offering long-coherence electron and nuclear spins for storing and manipulating quantum information, as well as…The refractive index of the medium within the volume of deep inelastic $ep$ scattering: I. Group velocity of interaction carriers
We propose a new method for measuring several characteristics of a fermion-boson medium formed during deep inelastic particle scattering.Structured Hamiltonian Learning for Multiqubit Conditional Phase Gates
Accurate measurement of an intended conditional phase does not by itself place a multiqubit phase gate in its declared generalized-gate equivalence class.Near-Optimal Bell Nonlocality with GKP and Entangled Cat States
Gottesman-Kitaev-Preskill (GKP) states are widely studied as a bosonic encoding for fault-tolerant quantum computing because small displacement errors can be identified and corrected through…Charge and spin qubits in interacting quantum dots coupled to Rashba-active leads
We present a unified study of charge and spin qubits encoded in a single interacting quantum dot tunnel-coupled to Rashba fermionic leads.Geometric perspective on quantum Rabi model: Super adiabatic universality and curvature non-adiabatic effects
Quantum Rabi model (QRM) is a fundamental model in light-matter interactions (LMIs), whereas this finite-component system manifests infinite physics to be explored and a full understanding has not…CP asymmetry and visible decay in $3+1$ neutrino oscillations on a quantum computer
We use quantum simulation to study how visible neutrino decay modifies the vacuum CP asymmetry in muon-to-electron oscillations within a $3+1$ neutrino scenario.Response of Hellinger-distance based coherence to weak decoherence in two-flavor neutrino oscillations
We evaluate the Hellinger-distance coherence of the two-flavor neutrino state subject to Lindblad damping of the mass-eigenstate interference term, and obtain a closed expression in terms of the…Refuting the QAOA fixed-angle conjecture
The fixed-angle conjecture for the quantum approximate optimisation algorithm (QAOA) is shown to be false for depth-2 QAOA on 9-regular graphs, and proven to be correct for depth-1 on any regular…The winner's curse in hardware VQE: drift-differenced remeasurement of finite-shot selection bias
Finite-shot optimization can make noisy variational quantum eigensolver energies look artificially accurate.Quantum Simulation of Si/SiGe Devices with Experimentally Calibrated Micromagnet Effects
Silicon-based spin qubits in Si/SiGe heterostructures are a leading platform for scalable quantum computing, yet bridging the gap between theoretical computer-aided design(CAD) models and…Optical Schrödinger cat states generated using cavity Rydberg quantum photonics
We introduce cavity Rydberg quantum photonics as a novel platform for generating hybrid entangled states of optical photons.