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 77
Entanglement of superpositions in zero-energy subspace: insights from stabilizer theory
Exact zero-energy eigenstates built from entangled dimers have recently been found in a large class of spin Hamiltonians.Perfect and peak state transfer on IBM quantum hardware
We run continuous-time quantum walks with perfect and peak state transfer on a present-day superconducting quantum processor, IBM Quantum's $156$-qubit Heron device ibm_kingston, deliberately…A tutorial on quantum scattering theory and coupled-channel calculations of bimolecular collisions
Collisions between atoms and molecules govern how energy is exchanged and redistributed in the gas phase, underpinning phenomena from spectral line broadening and interstellar molecular excitation…A Rydberg atom array coupled to a high-cooperativity optical cavity
Integrating Rydberg-state control of atom-atom interactions with cavity control of atom-light interactions enables the combination of local entangling operations with photon-mediated long-range…Casimir Sign Reversal from Finite-Range Bogoliubov Fluctuations
We study the zero-temperature Casimir effect of a three-dimensional Bose fluid with finite-range corrections to its Bogoliubov spectrum.Practical wavelength selection for quantum-augmented networks over shared optical fiber
In a quantum augmented network, sharing optical fiber with classical traffic requires quantum wavelength selection to balance logical fidelity, block acceptance, and classical data reception.Classification of quantum states through conserved operators
Determining whether quantum states can be interconverted by a prescribed set of transformations is a fundamental problem in quantum information.monoprop: Scaling Pauli and Majorana propagation via Anticommutation Indices
We introduce monoprop, an open-source, massively parallel operator-propagation framework for fermion and qubit bases.Reducing QUBO Complexity in Drone Delivery Through Classical Feasibility Preprocessing
Drone-delivery planning combines routing decisions with operational constraints such as payload capacity and limited onboard energy, resulting in combinatorial optimization problems that can become…Semiclassical Analysis of Wave Dynamics via Wigner Transforms: Applications to the Quantum Harmonic, Anharmonic, and Dirac Oscillator
In this Master's thesis, we give a pedagogical introduction to the semiclassical analysis of wave dynamics in single-band and multi-band systems.Chromatic Block-Gibbs p-Bit Decoding of QLDPC Codes
We introduce a parallel decoder for quantum low-density parity-check (QLDPC) codes based on probabilistic bits (p-bits), tunable stochastic binary units controlled by local fields.Coherent optical control of a thousand qubits in a three-dimensional trapped-ion crystal
Leading quantum platforms are largely limited to one or two dimensions, whereas three-dimensional Coulomb crystals of trapped ions self-assemble into dense qubit arrays with no rearrangement overhead.Universal entanglement detection with geometrically optimal witnesses
Constructing optimal entanglement witnesses for arbitrary quantum systems remains a formidable challenge, hindered by the structural complexity of high-dimensional quantum state spaces.Fast charging of quantum batteries assisted by nonlinear couplings
Charger-mediated quantum batteries offer promising opportunities for efficient energy transfer and storage at the quantum level, with potential advantages beyond their classical counterparts.From Syndromes to Computation: A General Framework for Logical Operations in Quantum Error-Correcting Codes
Fault-tolerant quantum computation requires error-correcting codes that not only protect quantum information but also support useful logical operations with practical physical realizations.Toward Interpretable Quantum Generators for Financial Returns through Problem-Informed Circuit Design
When used as function approximators, quantum circuits often lack interpretability and face a fundamental trade-off between expressivity and trainability.Nearly Optimal Quantum Sample Complexity of Learning Fourier-Sparse Boolean Functions
We study the number of uniform quantum examples needed to exactly learn a Boolean function with at most $k$ nonzero Fourier coefficients.Enhanced weak-field sensing using detuned squeezing
Achieving measurement precision beyond the standard quantum limit (SQL) is a fundamental object in quantum metrology.GWPTools: An extensible Wolfram Language framework for time-dependent Gaussian wave packet dynamics
Gaussian wave packets provide an exact analytical foundation for modeling time-dependent quantum phenomena, effectively bridging the gap between classical trajectories and full quantum mechanics.QEDIA: Quantum Program Verification in Lean
Practical quantum programs interleave quantum and classical computation: classical data shape the quantum operations that are performed, and measurement outcomes shape the classical computation that…