1157 papers
This paper demonstrates how the Quantum Lego tensor network formalism enables the systematic construction of quantum error-correcting codes with addressable transversal logical gates, including non-Clifford operations, by gluing smaller code blocks while preserving their symmetries.
This paper defends the Halfer position (credence P(H) = 1/2) as the correct solution for both the classical and quantum (Many-Worlds) versions of the Sleeping Beauty Problem by refuting major arguments for the Thirder position and demonstrating consistency with objective probability.
This work generalizes the relationship between star-exponentials and quantum propagators to fermionic systems within deformation quantization, deriving a fermionic Feynman-Kac formula for ground state energy calculation and validating the method using harmonic and driven Fermi oscillators.
Addressing the exponential scaling limitations of probabilistic photon sources, this paper presents a frequency-time multiplexing scheme utilizing optical quantum memories and fiber Bragg grating reflectors to near-deterministically generate n-photon frequency-bin states at commercially achievable rates for photonic quantum information processing.
This paper introduces the Monarq framework, which integrates QCrank encoding with EHands polynomial transformations to demonstrate reliable implementations of fundamental signal and image processing tasks, such as convolution and edge detection, on current noisy intermediate-scale quantum hardware.
This paper demonstrates that by renormalizing the Dirac field in curved spacetime, the metric's temporal and spatial gradients naturally induce non-Hermitian phenomena—specifically nonunitary gain/loss and the non-Hermitian skin effect—thereby establishing a unified geometric framework that links spacetime deformations to non-Hermitian phases of matter.
This paper demonstrates that evolving thermal pure crosscap states under spatially inhomogeneous Hamiltonians in (1+1)-dimensional critical systems generates universal, graph-like entanglement patterns that prevent thermalization and scrambling, a phenomenon confirmed by both field-theoretic analysis and holographic AdS/CFT calculations.
This paper proposes that semiclassical baby universes in AdS/CFT function as logical qubits encoded via pseudorandom dynamics, which resolves paradoxes of state cloning and singularity fate by ensuring that their microstates remain inaccessible to any single boundary observer through emergent complementarity.
This paper investigates the vacuum expectation values of the field squared and energy-momentum tensor for a charged scalar field on a (2+1)-dimensional Beltrami pseudosphere with a compactified azimuthal coordinate, revealing that while geometric contributions are divergent, topological effects are finite and exhibit distinct power-law behaviors depending on the field mass, curvature coupling, and compactification scale.
This paper identifies mathematical paradoxes in the Foldy-Wouthuysen and Feynman-Gell-Mann representations of the Dirac equation for electrons and positrons in electromagnetic fields and proposes that these contradictions are resolved by restricting the theory to positive-energy amplitude states.
This paper proposes a continuum QED description with emergent symmetries for the multicritical point in a staggered Fradkin-Shenker model, demonstrating how it connects to the original model and establishing a duality with the easy-plane model that implies a deconfined quantum multicritical point separating a gapped spin liquid from a Néel phase.
This paper introduces a Koopman-Krylov framework based on the Koopman-von Neumann description and gEDMD approximation to characterize non-integrable semiclassical string dynamics, demonstrating how integrability-breaking deformations induce observable-dependent delocalization and spectral weight redistribution in Krylov space.
This paper demonstrates that while naive attempts to extend quantum time schemes to quantum field theory fail due to hidden covariance, a novel quantum-action-based quantization successfully yields a manifestly covariant spacetime quantum mechanics by redefining quantum states in a way that respects causality and aligns with recent proposals on timelike entanglement.
This paper demonstrates that perfect transmission of Dirac particles in a one-dimensional double square barrier model forms a continuous curve extending from the above-barrier to the Klein zone, revealing a fundamental connection between relativistic Klein tunneling and non-relativistic resonant transmission even for subcritical barrier heights.
This paper introduces a family of "asymptotically solvable" quantum circuits that exhibit generic, chaotic dynamics at short times while becoming exactly solvable at longer times, thereby providing a bridge to understand non-equilibrium quantum matter through exact analytical results and numerical experiments on both equilibrium correlations and thermalization.
This paper demonstrates that Bell inequalities formulated as nonlocal games with a large gap between their local and Tsirelson bounds can reject local hidden variables with arbitrarily small p-values in a single experimental shot, achieved through new algorithms for optimizing these gaps and calculating local bounds.
This paper develops a novel theoretical framework combining an exact real-time hybridization expansion and a Non-Crossing-Approximation resummation technique to compute the evolution of quantum impurities linearly coupled to non-Markovian environments while simultaneously interacting with additional Markovian baths via generic non-linear couplings.