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 72
Gyrators for superconducting circuit design
Assuming only the solubility of Kirchhoff's laws, the conservation of energy, and the form of the constitutive relations, we present a flux-charge symmetric Hamiltonian formalism that always admits…Connectivity Bounds for GHZ Graphs
Greenberger-Horne-Zeilinger (GHZ) states are multipartite entangled quantum states that play a central role in quantum information theory, with applications in quantum communication, cryptography…Energetics of Fault-Tolerant Spin-Qubit Quantum Computation
Semiconductor spin qubits offer a promising route to compact and scalable quantum computers, combining long coherence times in isotopically purified silicon with compatibility with semiconductor…Classification of bipartite observables III: simplicity, mixtures and quantum error correction
This is the third of a series of three papers that bring model theory to quantum information.Efficient quantum simulation of unitary gates based on atomic ensembles
We develop a technique to perform efficient unitary time evolution of a general spin Hamiltonian based on the system with identical qubits, as naturally realized by permutation symmetric atomic…Programmable all-to-all entangling gates for cavity-coupled atoms
Fault tolerant quantum computers greatly benefit from having both high fidelity entangling gates and a non-local qubit connectivity.Constrained dissipation and the lifetime of quantum many-body scars
We investigate the fate of quantum many-body scars in the PXP model subject to Markovian dissipation.SynDebug: A Framework to Debug Logic Bugs in Fault-Tolerant Quantum Computing Programs
Fault-tolerant quantum computing (FTQC) introduces substantial systems-level complexity through quantum error correction (QEC), making debugging FTQC programs challenging.Adding Temperature to the Adiabatic Connection: Hybrid Functionals for Static and Dynamic Correlation
Capturing static and dynamic electron correlation simultaneously at manageable computational cost remains a key challenge in electronic structure theory.Classical Capacity of Single-Mode Bosonic Gaussian Channels
The classical capacity of a noisy optical channel is the maximum rate at which information can be transmitted reliably, given a constraint on the mean input energy.Magna: simulating magic state factories as cheaply as Clifford circuits
Classical simulation of magic state factories, including distillation, cultivation, and code switching, is challenging because of their substantial non-Clifford content.Magic in quantum trajectory unravelings of noisy random quantum circuits
The quantum-trajectory description of a noisy quantum circuit is not unique: every Kraus representation of the noise channel defines a different unraveling, i.e., a different ensemble of pure states…Stability of Quantum LDPC States under Local Pauli Noise
Quantum low-density parity-check (qLDPC) codes have a canonical mixed state---the normalized projector onto the code space---that lies at the intersection of quantum error correction and quantum…Discovering state-of-the-art quantum circuits with large language models
Significant efforts are currently being directed toward the implementation of large-scale quantum information processors, but realizing useful quantum advantage also requires the development of…Dilaton-Axion Wormhole Partition Function Away from the BPS Endpoint
I determine the leading finite-radius correction to the two-boundary response of a charged axion wormhole near its BPS endpoint.Typical Superpositions are Magical
The non-stabilizerness, or "magic", of a quantum state is a common metric for the hardness of simulation on a classical computer, and is often quantified by the stabilizer Rényi entropy (SRE).Exploring Quantum Phase Transitions Beyond Landau Theory on a Quantum Processor
Direct continuous quantum phase transitions between phases that break distinct symmetries challenge the conventional Landau-Ginzburg-Wilson paradigm and provide a framework for deconfined quantum…Multi-Time States in Quantum and Operational Probabilistic Theories: An Axiomatic Framework
Quantum states over time were introduced, in part, to extend Bayesian probability to quantum theory and have since found applications across diverse areas, ranging from quantum causality and…Entropy Production and Thermalization in Heavy-Quark Langevin Dynamics
Heavy quarks are often treated as Brownian probes of the quark-gluon plasma.Resonant pair production and flat band melting in a driven Rydberg chain
We study a Rydberg chain subjected to a two-tone periodic drive of the detuning $Δ(t)$ and Rabi frequency $Ω(t)$ at frequencies $ω_1$ and $ω_2=νω_1$ respectively with $ν\in \mathbf{Z}$.