Real-Space Renormalization of Stabilizer Rényi Entropies in Spin ChainsStabilizer states constitute an important class of quantum states that can be generated from computational-basis states using Pauli operators and Clifford gates. Although they may exhibit substantial…Sonja Gombar, Petar Mali, Slobodan Radošević et al.·Sep 15, 2026SaveLearn
Preparation-protocol-dependent quantum Mpemba dynamics in a magnetically tunable graphene nanotorus qubitWe investigate the quantum Mpemba effect in a graphene nanotorus qubit and show that its strength depends strongly on how the initial state is prepared. We compare two protocols that share the same…J. Furtado·Sep 15, 2026SaveLearn
Floquet Theory and Average Hamiltonian Theory Revisited: Equivalence, Convergence and Applications to NMRAn accurate theoretical treatment of periodically driven quantum systems is crucial for various fields in the exact sciences, for instance Nuclear Magnetic Resonance (NMR) spectroscopy.…Antonia J. Bock, Matthias Ernst, Götz S. Uhrig·Sep 15, 2026SaveLearn
Thouless pumping via discrete jumping of the adiabatic HamiltonianThouless pumping is a celebrated topological effect that enables quantized particle transport and holds promise for applications in quantum technologies. However, the standard adiabatic pumping…Lang Yu, Yihan Wu, Zhen-Yu Wang·Sep 15, 2026SaveLearn
Large-scale NMR simulation on a trapped-ion quantum computerSimulating nuclear magnetic resonance (NMR) spectra is a promising application of quantum simulation. Using Quantinuum's System Model H2, a trapped-ion quantum computer, we demonstrate an…Pascal Stadler, Alec Owens, Etienne Granet et al.·Sep 15, 2026SaveLearn
Probabilistic Error Cancellation for Single-Mode Gottesman-Kitaev-Preskill CodesIn order to solve practical problems on a quantum computer, it is necessary to use fault-tolerant quantum error correction schemes to overcome noise: the errors arising from imperfections in physical…Victoria Wadewitz, Alessandro Ciani·Sep 15, 2026SaveLearn
Constant sized support state distillation with qubit recyclingIn order to circumvent that no universal set of gates can be achieved on a given quantum error-correcting codes, additional gates can be performed through magic state injection. This however requires…Victor Barizien·Sep 15, 2026SaveLearn
Eigenstate thermalization beyond the envelope: exact two-point overlap statistics in random free fermionsEigenstate thermalization constrains the smooth dependence of observables on energy, but it does not by itself fix the microscopic statistics of the overlaps between many-body eigenstates and a…Zhiqiang Huang·Sep 15, 2026SaveLearn
Strictly Localized Mixed StatesWe study strictly localized mixed states in quantum field theory: states that are indistinguishable from vacuum outside some spacetime region. Such states are generated from the vacuum by so-called…Sigurd Sørlie Rustad, Jan Gulla, Johannes Skaar·Sep 15, 2026SaveLearn
Indistinguishability of single Raman photons from single atomsWe theoretically investigate the indistinguishability of single photons generated from single trapped 40Ca+ ions in a Raman scattering process driven by few-nanosecond excitation pulses. Of…Pascal Baumgart, Max Bergerhoff, Jürgen Eschner·Sep 15, 2026SaveLearn
Spin Grid States for Quantum Metrology in Atomic Clocks Limited by Spontaneous EmissionEntanglement can enhance precision in phase estimation and in frequency estimation with atomic clocks, but it remains a central challenge to identify useful states and measurements under realistic…Marius Burgath, Klemens Hammerer·Sep 15, 2026SaveLearn
Classical Communication Protocol based on Joint Classical-Quantum CodingWe introduce a robust quantum communication protocol that integrates classical error-control coding, entanglement distribution, and superdense coding. Classical error-correcting codes are used to…Kristian Skafte Jensen, René Bødker Christensen, Čedomir Stefanović et al.·Sep 15, 2026SaveLearn
Exact efficient simulation of noisy logical magic states using Clifford stabilizersThe preparation of high-fidelity logical magic states is a crucial subroutine for universal fault-tolerant quantum computation (FTQC). Predicting the performance of FTQC and developing improved…Yugo Takada, Stephen D. Bartlett, Dominic J. Williamson·Sep 15, 2026SaveLearn
Portable Vector NV-Diamond Magnetometer for Shot-Noise-Limited, Drift-Free Operation in Unshielded EnvironmentsEnsemble nitrogen-vacancy (NV) diamond magnetometers combine high sensitivity with vector-field reconstruction, but practical deployment is limited by errors arising from high-frequency laser noise…Annirudh K P, Vinayak Rane, Shradha Atakar et al.·Sep 15, 2026SaveLearn
Understanding the spin coherence of molecular photoexcited triplet states from first principlesOptically readable molecular spins are attractive as quantum sensors due to their nanoscale modularity, synthetic tunability, and scope for sensitive readout. In particular, photoexcited spin-triplet…Ecaterina Păunică, Sam L. Bayliss·Sep 15, 2026SaveLearn
Initial-Slip Dynamics Enables the Quantum Mpemba EffectWe investigate the quantum Mpemba effect, whereby a system initially farther from equilibrium relaxes faster than one initially closer to equilibrium, emerging in a quantum harmonic oscillator…M. Crotti, F. Cavaliere, D. Ferraro et al.·Sep 15, 2026SaveLearn
Experimental Private Quantum Networked SensingEntangling distant quantum sensors is a key application of future quantum networks, allowing for the estimation of global functions of local parameters, with precision that is not possible with…Nicolas Laurent-Puig, Laura dos Santos Martins, Luis Bugalho et al.·Sep 15, 2026SaveLearn
Improved Separations between Quantum and Classical Communication Complexity of Total FunctionsWe refine Gavinsky's framework (arXiv:2608.18784) for exponential separations between quantum and randomized communication complexity of total functions and obtain larger separations:…François Le Gall·Sep 15, 2026SaveLearn
Phase Transition in Binary Compressed Sensing via Annealing with Adaptive RegularizationRegularization choice changes the recovery phase diagrams of annealing-based binary compressed sensing. We develop a regularization-selection method that combines systematic parameter search with…Xiaoxin Huang, Masayuki Ohzeki·Sep 15, 2026SaveLearn
Approximate synthesis of general single-qubit unitaries over the Clifford+T gate setFor the standard Clifford+T gate set, deterministic, ancilla-free synthesis now attains the minimal T-count for general single-qubit unitaries (Morisaki et al., arXiv:2510.05816). The T…Mathias Weiden, Jae Won Kim, Justin Kalloor et al.·Sep 15, 2026SaveLearn
Two-qubit gates for the soft 0-π qubitThe 0-π qubit promises longer lifetimes than the transmon, making it a strong candidate for a next-generation, lower-error qubit. Gyenis et al. experimentally demonstrated an unprotected single-qubit…Zhenxing Liu, Eli Weissler, Joshua Combes·Sep 15, 2026SaveLearn
Quantum Simulation of Two-Dimensional Free Dirac Hamiltonian in Multimode Circuit QEDTwo-dimensional massive Dirac systems feature a gapped Dirac-cone dispersion central to a broad range of phenomena in condensed-matter and topological physics. While quantum simulations have…Jiwon Kang, Jiuk Lee, Eliya Blumenthal et al.·Sep 15, 2026SaveLearn
Floquet Dressing and Bath Spectral Effects on the Geometric Phase of a Driven Dissipative QubitBuilding on recent work by Wang et al. on the dissipative geometric phase (GP) in the spin-boson model (SBM), the GP dynamics of a periodically driven symmetric SBM are investigated using the…Chirag Arora·Sep 15, 2026SaveLearn
Strong converse for the quantum capacity of the pure-loss bosonic channelThis paper reports the proof of a strong converse for the unconstrained quantum capacity of the pure-loss bosonic channel. At every fixed rate above capacity, the entanglement-generation fidelity of…Mark M. Wilde·Sep 15, 2026SaveLearn
Pretty good quantum state transfer via transcendental edge weightsWe prove that if we take a rooted product of a circulant graph with universal perfect state transfer with a path of fixed length whose end edge is weighted with a transcendental number, then there is…Addison Ballif, Mark Kempton, James B. Larsen et al.·Sep 15, 2026SaveLearn