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Regular language quantum states
1+ day, 10+ hour ago (454+ words) [2] Alfred V. Aho and Jeffrey D. Ullman. The theory of parsing, translation, and compiling. Prentice-Hall, Inc. , USA, 1972. ISBN 0139145567. [3] Alfred V. Aho, Monica S. Lam, Ravi Sethi, and Jeffrey D. Ullman. Compilers: principles, techniques, and tools. Always learning. Pearson, 2014. ISBN 978-1-292-02434-9. [9] L. Berman and J. Hartmanis. On isomorphisms and…...
Monogamy of Entanglement Bounds and Improved Approximation Algorithms for Qudit Hamiltonians
2+ day, 19+ hour ago (159+ words) Zackary Jorquera, Alexandra Kolla, Steven Kordonowy, Juspreet Singh Sandhu, and Stuart Wayland University of California, Santa Cruz, CA 95060, USA [21] Julia Kempe, Oded Regev, and Ben Toner, ``Unique Games with Entangled Provers Are Easy'' SIAM Journal on Computing 39, 32073229 (2010) Publisher: Society for…...
Disentangling strategies and entanglement transitions in unitary circuit games with matchgates
2+ day, 13+ hour ago (413+ words) [2] Yaodong Li, Xiao Chen, and Matthew P. A. Fisher. ``Quantum zeno effect and the many-body entanglement transition''. Phys. Rev. B 98, 205136 (2018). https: //doi. org/10. 1103/Phys Rev B. 98. 205136 [58] Leslie G. Valiant. ``Quantum computers that can be simulated classically in polynomial time''. In Proceedings of the Thirty-Third…...
Quantum correlations in the steady state of light-emitter ensembles from perturbation theory
2+ day, 19+ hour ago (918+ words) Dolf Huybrechts1, 2 and Tommaso Roscilde1 1 Univ Lyon, Ens de Lyon, CNRS, Laboratoire de Physique, F-69342 Lyon, France2 Advanced Concepts Team, European Space Agency, European Space Research and Technology Centre, 2201 AZ Noordwijk, The Netherlands [1] I. Fr'rot, M. Fadel and M. Lewenstein, Probing quantum correlations in many-body systems: a…...
Random Meas. jl: A Julia Package for Randomized Measurements in Quantum Devices
2+ day, 14+ hour ago (453+ words) Andreas Elben1, 2 and Benoit Vermersch3, 4 1 PSI Center for Scientific Computing, Theory and Data, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland2 ETH Z'rich - PSI Quantum Computing Hub, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland3 Univ. Grenoble Alpes, CNRS, LPMMC, 38000 Grenoble, France4 Quobly, 38000 Grenoble, France [5] D. Zhu, Z. P. Cian, C. Noel, A. Risinger,…...
Nonlocality-of-a-single-photon" based Quantum Key Distribution and Random Number Generation schemes and their device-independent security analysis
2+ day, 16+ hour ago (145+ words) [17] D. Mayers and A. Yao. ``Self testing quantum apparatus''. Quantum Inf. Comp. 4, 273 (2004). https: //doi. org/10. 26421/QIC4. 4-3 [22] A. Ac'n, N. Gisin, and L. Masanes. ``From Bell's Theorem to Secure Quantum Key Distribution''. Phys. Rev. Lett 97, 120405 (2006). https: //doi. org/10. 1103/Phys Rev Lett. 97. 120405 [35] R Tyrrell Rockafellar. ``Convex analysis''. Volume…...
Wire Codes " Quantum
6+ day, 19+ hour ago (411+ words) Nou'dyn Baspin and Dominic Williamson School of Physics, University of Sydney, Sydney, NSW 2006, Australia Featured image: A wire code based on the quantum [[5, 1, 3]] code. [11] S. B. Bravyi and A. Yu. Kitaev. ``Quantum codes on a lattice with boundary'' (1998). ar Xiv: quant-ph/9811052. ar Xiv: quant-ph/9811052 [24] Pavel…...
Fibonacci Waveguide Quantum Electrodynamics
1+ week, 19+ hour ago (303+ words) Florian B'nsel1, 2, Flore K. Kunst1, 2, and Federico Roccati1, 3 [25] Serge Aubry and Gilles Andr. ``Analyticity breaking and Anderson localization in incommensurate lattices''. Ann. Israel Phys. Soc 3, 18 (1980). [33] "duard Lucas. ``Sur la thorie des nombres premiers''. Atti della reale Accademia delle science di Torino 11, 928937 (187576). [48] A. N. Poddubny, L. Pilozzi,…...
Holonomic quantum computation: a scalable adiabatic architecture
1+ week, 8+ hour ago (198+ words) Clara Wassner, Tommaso Guaita, Jens Eisert, and Jose Carrasco Dahlem Center for Complex Quantum Systems, Freie Universit't Berlin, 14195 Berlin, Germany Featured image: Robustness to loop-deforming errors (coloured paths) is given by the curvature of an underlying manifold (orange surface) which…...
Estimating the best separable approximation of non-pure spin-squeezed states
1+ week, 2+ day ago (521+ words) Quantum 10, 2078 (2026). https: //doi. org/10. 22331/q-2026-04-21-2078 We discuss the estimation of the distance of a given mixed many-body quantum state to the set of fully separable states, applied to the concrete scenario of collective spin states. Concretely, we discuss lower bounds to…...