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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Quasi-Phases of Quantum Matter
Within quantum many-body phase diagrams, continuous transition lines can appear and then terminate.Grow, Compress, and Perturb: A Hybrid Quantum-Classical Pathway to Scalable Quantum Chemistry on Quantum Computers
While Variational Quantum Eigensolver (VQE) variants are among the leading candidates for electronic structure calculations on quantum computers, gradient-based operator selection limits their…Algebraic strong-to-weak symmetry breaking and partial decodability in the surface code
Coherent noise can give rise to unconventional regimes of quantum information recovery and mixed-state order.On the Quantum Chromatic Gap II
We confirm a conjecture of the first author [SODA'26] on a strong form of pseudo-telepathy for Khot's $d$-to-$1$ games: for every $d\geq 4$, every $ε>0$, and every $k\in\mathbb N$, there is a…What Can Be Computed with Indefinite Causal Structure?
Can quantum computation become more powerful when operations do not need to follow a definite causal order?Classical communication over quantum channels: does entanglement help in nature?
Can entangling codewords across independent uses of a quantum channel improve the rate of classical communication?Collaborative AI agents for autonomous experimental research with solid-state quantum spins
An autonomous research laboratory could conduct an entire study, from formulating questions to preparing manuscripts.Toric codes all the way down: decoupling translation-invariant topological CSS codes in higher dimensions
Topological Calderbank-Shor-Steane (CSS) codes in more than two spatial dimensions offer features useful for fault-tolerant quantum computation, such as transversal non-Clifford gates and…Probing fluctuations in photon emission statistics of spin injected quantum dots with time dependent electronic excitation
Electrically spin-injected ensembles of InGaAs/GaAs quantum dots emit circularly polarized single photons, with the emission helicity determined by the spin polarization of the injected electrons.Optimal detuning and gate time for strongly driven single-qubit gates beyond the rotating-wave approximation
Single-qubit quantum gates are implemented as the time-controlled unitary evolution of a two-level system under harmonic driving.Algebraic theory of abelian fractons and beyond
We develop an algebraic theory of fusion, mobility, and statistics in abelian gapped fracton orders and topological phases.Exceptional Points as Witnesses of Non-Gaussian Noise
Efficient control of quantum devices requires the knowledge of their environmental noise, yet the commonly measured power spectrum does not fully characterize non-Gaussian fluctuations of realistic…Optimal Diamond Distance Estimation for Unitary Channels
The diamond distance between two quantum channels determines the optimal probability of distinguishing them from a single use.Left-Handed Transmission Lines for the Dynamical Casimir Effect
Left-handed (LH) superconducting transmission lines, built with series capacitors and shunt inductors instead of the series inductors and shunt capacitors of a conventional right-handed (RH) line…Locality in Dissipative Ground-State Preparation
Can the ground state of a local Hamiltonian be prepared by local dissipation?Entanglement diagnostics of stochastic-resetting steady states: theory and measurement on superconducting qubits
Stochastic resetting drives quantum systems into nonequilibrium stationary states unreachable under uninterrupted unitary evolution, and their entanglement depends on whether the reset history is…Comparison of entangling strategies for unitary synthesis
Trapped-ion quantum computers are promising as a platform for realizing quantum computational advantage.Renormalization for Robust Memory without Synchronization
Local error correction can preserve classical information against noise, but protection under synchronized updates need not survive when sites evolve at independent random times.Reconstructing hidden observables via quantum snapshot thermometry
Projective snapshots are a standard readout tool for quantum simulators, but they directly probe only observables that are diagonal in the measurement basis.Quantum manifestations of converse symmetry breaking
Quantum synchronization holds promise in advancing quantum technologies such as sensing, communication, and computation.