Entanglement theory with limited computational resources
We now aim to determine the fundamental limits and possibilities of computationally efficient entanglement manipulation. Here the goal…
Individual solid-state nuclear spin qubits with coherence exceeding seconds
Steger, M. et al. Quantum information storage for over 180 s using donor spins in a 28Si semiconductor vacuum.…
Observation of constructive interference at the edge of quantum ergodicity
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.…
Classical theories of gravity produce entanglement
To illustrate this further, we now demonstrate how equation (4) leads to entanglement in a version of Feynman’s…
Optimization by decoded quantum interferometry
NP-hardness results indicate that finding exact optima and even sufficiently good approximate optima for worst-case instances of many…
Low-overhead transversal fault tolerance for universal quantum computation
Dalzell, A. M. et al. Quantum Algorithms: A Survey of Applications and End-to-End Complexities (Cambridge Univ. Press, 2025).…
Distributed quantum computing across an optical network link
Dual-species ion-trap modules Our apparatus comprises two trapped-ion processing modules, Alice and Bob. Each module, shown in Extended…
‘Squeezed light’ might be the secret to building the quantum internet
Imagine a future where the internet isn’t just fast, it’s fundamentally different. Where information doesn’t travel through cables…
Experimental entanglement swapping through single-photon χ(2) nonlinearity
The SFG-BSA configuration Figure 1a shows a schematic of the SFG-BSA setup. A type-0 PPLN/W is incorporated in a…
Chaos controlled and disorder driven phase transitions induced by breaking permutation symmetry
Solvable case of \(p=0\), generic initial coherent states It is both instructive and interesting to first examine the…
Atomic ‘conveyor belt’ boosts power of quantum computer
Mikhail Lukin (right) and colleagues with their neutral-atom quantum computer.Credit: Rose Lincoln/Harvard Staff Photographer A conveyor belt of…
Constant-overhead magic state distillation | Nature Physics
Gottesman, D. An introduction to quantum error correction. Proc. Symp. Appl. Math. 58, 221–236 (2002). Article MathSciNet Google…