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Operational interpretation of the Stabilizer Entropy
1+ day, 1+ hour ago (228+ words) Lennart Bittel1 and Lorenzo Leone2, 1 1 Dahlem Center for Complex Quantum Systems, Freie Universit't Berlin, 14195 Berlin, Germany2 Dipartimento di Ingegneria Industriale, Universit" degli Studi di Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy [5] Rafael Aoude, Hannah Banks, Chris D. White, and Martin J. White. Probing new…...
Sampling (noisy) quantum circuits through randomized rounding
18+ hour, 20+ min ago (211+ words) Victor Martinez1, 2, Omar Fawzi2, and Daniel Stilck Fran'a2, 3 1 IBM France, Avenue de l'Europe, 92275 Bois-Colombes, France2 Univ Lyon, ENS Lyon, UCBL, Inria, LIP, F-69342, Lyon Cedex 07, France3 Department of Mathematical Sciences, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark [37] C. Kokail, C. Maier, R. van Bijnen, T. Brydges, M. K. Joshi, P. Jurcevic, C. A. Muschik, P. Silvi,…...
Spectral Gaps with Quantum Counting Queries and Oblivious State Preparation
1+ day, 1+ hour ago (433+ words) [8] Jeff Cheeger. ``A lower bound for the smallest eigenvalue of the Laplacian''. In Problems in analysis: A symposium in honor of Salomon Bochner. Pages 195199. Princeton University Press, Princeton, NJ (1970). https: //doi. org/10. 1515/9781400869312-013 [17] Taehee Ko, Xiantao Li, and Chunhao Wang. ``Implementation…...
Non-Markovian thermal reservoirs for autonomous entanglement distribution
1+ day, 1+ hour ago (1674+ words) Featured image: Sketch of a thermally driven quantum network, where two remote qubits are coupled via a unidirectional quantum channel driven by the output of a thermal filter cavity. [1] J. I. Cirac, P. Zoller, H. J. Kimble, and H. Mabuchi, Quantum state transfer and entanglement distribution…...
Efficient and high-performance routing of lattice-surgery paths on three-dimensional lattice
3+ day, 1+ hour ago (452+ words) Quantum 10, 2061 (2026). https: //doi. org/10. 22331/q-2026-04-13-2061 Encoding logical qubits with surface codes and performing multi-qubit logical operations with lattice surgery is one of the most promising approaches to demonstrate fault-tolerant quantum computing. Thus, a method to efficiently schedule a sequence of lattice-surgery…...
Quantum simulation algorithms based on quantum trajectories
3+ day, 1+ hour ago (766+ words) Evan Borras1, 2 and Milad Marvian1, 2, 3 1 Center for Quantum Information and Control, University of New Mexico, Albuquerque, NM 87131, USA2 Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131, USA3 Department of Electrical & Computer Engineering, University of New Mexico, Albuquerque, NM 87131, USA [2] D. W. Berry, G. Ahokas,…...
Computing quantum magic of state vectors
6+ day, 1+ hour ago (1445+ words) [2] A. J. Daley, I. Bloch, C. Kokail, S. Flannigan, N. Pearson, M. Troyer, and P. Zoller, Nature 607, 667 (2022). https: //doi. org/10. 1038/s41586-022-04940-6 [6] S. -J. Ran, E. Tirrito, C. Peng, X. Chen, L. Tagliacozzo, G. Su, and M. Lewenstein, Tensor network contractions: methods and applications to quantum many-body systems (Springer Nature, 2020). https: //doi. org/10. 1007/978-3-030-34489-4 [9] N. Schuch, M. M. Wolf, F. Verstraete, and J. I. Cirac,…...
A streamlined quantum algorithm for topological data analysis with exponentially fewer qubits
6+ day, 1+ hour ago (342+ words) Sam Mc Ardle1, Andr's Gily'n, 2, and Mario Berta3, 4 [4] Pratyush Pranav, Herbert Edelsbrunner, Rien Van de Weygaert, Gert Vegter, Michael Kerber, Bernard JT Jones, and Mathijs Wintraecken. The topology of the cosmic web in terms of persistent betti numbers. Monthly Notices of the…...
A Remarkable Application of Zassenhaus Formula to Strongly Correlated Electron Systems
1+ week, 1+ day ago (151+ words) Louis Jourdan and Patrick Cassam-Chena" Universit" C'te d'Azur, CNRS, LJAD, UMR 7351, 28 avenue Valrose, 06108 Nice, France Featured image: Givens gate circuits for Li H in a minimal basis set [32] W. A. Goddard III, T. H. Dunning, W. J. Hunt and P. J. Hay. "Generalized Valence Bond Description of Bonding…...
Recursive algorithm for constructing antisymmetric fermionic states in first quantization mapping
1+ week, 1+ day ago (479+ words) E. Rule1, 2, I. A. Chernyshev1, I. Stetcu1, J. Carlson1, and R. Weiss3 1 Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA2 Department of Physics, University of California, Berkeley, CA 94720, USA3 Department of Physics, Washington University in St. Louis, St. Louis, Missouri 63130, USA Featured image: Illustration of our recursive algorithm used to…...