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Measurement incompatibility in Bayesian multiparameter quantum estimation
3+ day, 35+ min ago (1084+ words) [8] N. Friis, D. Orsucci, M. Skotiniotis, P. Sekatski, V. Dunjko, H. J. Briegel, and W. Dür, Flexible resources for quantum metrology, New J. Phys. 19, 063044 (2017), arXiv:1610.09999. https://doi.org/10.1088/1367-2630/aa7144 arXiv:1610.09999 [9] C. W. Helstrom, Quantum Detection and Estimation Theory (Academic Press, New York, 1976). [18] J. R. Hervas, A. Z. Goldberg, A. S....
Robust topological quantum state transfer with long-range interactions in Rydberg arrays
3+ day, 2+ hour ago (396+ words) Siri Raupach, Beatriz Olmos, and Mathias B. M. Svendsen Institut für Theoretische Physik, Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany [3] Bi-Hua Huang, Yi-Hao Kang, Ye-Hong Chen, Zhi-Cheng Shi, Jie Song, and Yan Xia. ``Quantum state transfer in spin chains via shortcuts to…...
Efficient Graph State Generation in Linear Optics
3+ day, 3+ hour ago (99+ words) Seungbeom Chin and William John Munro Okinawa Institute of Science and Technology Graduate University, Okinawa 904-0495, Japan Featured image: Linear quantum graph representation of the heralded scheme for generating caterpillar graph states Could not fetch Crossref cited-by data during last attempt…...
Detection of a Rényi Index Dependent Transition in Entanglement Entropy Scaling
1+ week, 2+ day ago (543+ words) Hatem Barghathi1,2 and Adrian Del Maestro1,2,3 1Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996, USA2Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, Tennessee 37996, USA3Min H. Kao Department of Electrical Engineering and Computer Science, University of Tennessee, Knoxville, TN 37996, USA [1] Khagendra Adhikariand K. S. D. Beach…...
Entanglement growth in the dark intervals of a locally monitored free-fermion chain
1+ week, 6+ day ago (535+ words) Giovanni Di Fresco1, Youenn Le Gal2, Davide Valenti1, Marco Schiró2, and Angelo Carollo1 1Dipartimento di Fisica e Chimica “Emilio Segrè", Group of Interdisciplinary Theoretical Physics, Università degli studi di Palermo, Viale delle Scienze, Ed. 18, I-90128 Palermo, Italy2JEIP, UAR 3573 CNRS, Collège de France, PSL Research University, 75321 Paris Cedex…...
Quantifiers and witnesses for the nonclassicality of measurements and of states
2+ week, 3+ day ago (310+ words) Yujie Zhang1,2,3, Yìlè Yīng3,2, and David Schmid3 1Institute for Quantum Computing, University of Waterloo, Waterloo, Ontario Canada N2L 3G12Department of Physics & Astronomy, University of Waterloo, Waterloo, Ontario, Canada, N2L 3G13Perimeter Institute for Theoretical Physics, 31 Caroline Street North, Waterloo, Ontario Canada N2L 2Y5 [33] Naim E. Comar, Danilo Cius, Luis F. Santos,…...
Modulator-Assisted Zeno Control of Energy Transfer in Quantum Batteries
2+ week, 4+ day ago (532+ words) Songbo Xie1, Manas Sajjan1, Ashok Ajoy2, and Sabre Kais1,3 [6] James Q Quach, Kirsty E McGhee, Lucia Ganzer, Dominic M Rouse, Brendon W Lovett, Erik M Gauger, Jonathan Keeling, Giulio Cerullo, David G Lidzey, and Tersilla Virgili. ``Superabsorption in an organic microcavity: Toward a quantum…...
MPC in the Quantum Head (or: Superposition-Secure (Quantum) Zero-Knowledge)
1+ mon, 1+ day ago (572+ words) [8] Dan Bonehand Mark Zhandry ``Secure Signatures and Chosen Ciphertext Security in a Quantum Computing World'' Advances in Cryptology - CRYPTO 2013 - 33rd Annual Cryptology Conference, Santa Barbara, CA, USA, August 18-22, 2013. Proceedings, Part II 8043, 361–379 (2013). https://doi.org/10.1007/978-3-642-40084-1_21 [9] Dan Boneh, Özgür Dagdelen, Marc Fischlin, Anja…...
Exploring Imaginary Coordinates: Disparity in the Shape of Quantum State Space in Even and Odd Dimensions
1+ mon, 1+ week ago (624+ words) [2] P. A. M. Dirac, The Principles of Quantum Mechanics (Clarendon Press, Oxford, 1930). [3] J. J. Sakurai and J. Napolitano, Modern Quantum Mechanics, 3rd ed. (Cambridge University Press, 2020). [4] K. F. Pál and T. Vértesi, Efficiency of higher-dimensional Hilbert spaces for the violation of Bell inequalities, Phys. Rev. A 77 (2008). https://doi.org…...
Enlarging the GKP stabilizer group for enhanced noise protection
1+ mon, 1+ week ago (397+ words) Jonathan Pelletier and Baptiste Royer Département de Physique, Université de Sherbrooke, Sherbrooke, Qc. J1K 2R1, CanadaInstitut Quantique, Université de Sherbrooke, Sherbrooke, Qc. J1K 2R1, Canada [1] V. V. Sivak, A. Eickbusch, B. Royer, S. Singh, I. Tsioutsios, S. Ganjam, A. Miano, B. L. Brock, A. Z. Ding, L....