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Browsing Tag

Quantum information

32 posts
PPhysics
Observation of constructive interference at the edge of quantum ergodicity
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Observation of constructive interference at the edge of quantum ergodicity

  • October 22, 2025
Authors and Affiliations Google Research, Mountain View, CA, USA Dmitry A. Abanin, Rajeev Acharya, Laleh Aghababaie-Beni, Georg Aigeldinger, Ross Alcaraz, Igor Aleiner, Trond I.…
PPhysics
Classical theories of gravity produce entanglement
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Classical theories of gravity produce entanglement

  • October 22, 2025
To illustrate this further, we now demonstrate how equation (4) leads to entanglement in a version of Feynman’s…
PPhysics
Optimization by decoded quantum interferometry
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Optimization by decoded quantum interferometry

  • October 22, 2025
NP-hardness results indicate that finding exact optima and even sufficiently good approximate optima for worst-case instances of many…
CComputing
Low-overhead transversal fault tolerance for universal quantum computation
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Low-overhead transversal fault tolerance for universal quantum computation

  • October 20, 2025
Dalzell, A. M. et al. Quantum Algorithms: A Survey of Applications and End-to-End Complexities (Cambridge Univ. Press, 2025).…
IInternet
'Squeezed light' might be the secret to building the quantum internet
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‘Squeezed light’ might be the secret to building the quantum internet

  • October 8, 2025
Imagine a future where the internet isn’t just fast, it’s fundamentally different. Where information doesn’t travel through cables…
SScience
Spin squeezing in an ensemble of nitrogen–vacancy centres in diamond
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Spin squeezing in an ensemble of nitrogen–vacancy centres in diamond

  • October 2, 2025
Wineland, D. J., Bollinger, J. J., Itano, W. M., Moore, F. L. & Heinzen, D. J. Spin squeezing…
PPhysics
Constant-overhead magic state distillation | Nature Physics
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Constant-overhead magic state distillation | Nature Physics

  • September 17, 2025
Gottesman, D. An introduction to quantum error correction. Proc. Symp. Appl. Math. 58, 221–236 (2002). Article  MathSciNet  Google…
PPhysics
Parallelized telecom quantum networking with an ytterbium-171 atom array
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Parallelized telecom quantum networking with an ytterbium-171 atom array

  • September 13, 2025
Gisin, N., Ribordy, G., Tittel, W. & Zbinden, H. Quantum cryptography. Rev. Mod. Phys. 74, 145–195 (2002). Article …
PPhysics
Realization of an untrusted intermediate relay architecture using a quantum dot single-photon source
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Realization of an untrusted intermediate relay architecture using a quantum dot single-photon source

  • August 27, 2025
Shor, P. W. Algorithms for quantum computation: discrete logarithms and factoring. In Proc. 35th Annual Symposium on Foundations…
PPhysics
Universal quantum gate set for Gottesman–Kitaev–Preskill logical qubits
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Universal quantum gate set for Gottesman–Kitaev–Preskill logical qubits

  • August 21, 2025
GKP code Here we give some background on GKP codes, highlighting some of the more salient features in…
PPhysics
Coherent control of magnon–polaritons using an exceptional point
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Coherent control of magnon–polaritons using an exceptional point

  • August 20, 2025
Goryachev, M. et al. High-cooperativity cavity QED with magnons at microwave frequencies. Phys. Rev. Appl. 2, 054002 (2014).…
PPhysics
Entanglement and the density matrix renormalization group in the generalized Landau paradigm
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Entanglement and the density matrix renormalization group in the generalized Landau paradigm

  • August 17, 2025
Dualities We explain here how to obtain the models dual to equation (1) considered in the main text.…
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