Results 71 to 80 of about 1,138,230 (99)

2013 Annual Letter from Bill Gates [PDF]

, 2013
In previous annual letters, Gates focused on the power of innovation to reduce hunger, poverty, and disease. But any innovation -- whether it's a new vaccine or an improved seed -- can't have an impact unless it reaches the people who will benefit from ...
Bill Gates
core   +2 more sources

Geometric quantum machine learning with horizontal quantum gates

Physical Review Research
In the current framework of geometric quantum machine learning, the canonical method for constructing a variational ansatz that respects the symmetry of some group action is by forcing the circuit to be equivariant, i.e., to commute with the action of ...
Roeland Wiersema, Alexander F. Kemper, Bojko N. Bakalov, Nathan Killoran   +3 more
doaj   +1 more source

Alternative fast quantum logic gates using nonadiabatic Landau-Zener-Stückelberg-Majorana transitions

Physical Review Research
A conventional realization of quantum logic gates and control is based on resonant Rabi oscillations of the occupation probability of the system. This approach has certain limitations and complications, like counter-rotating terms.
A. I. Ryzhov, O. V. Ivakhnenko, S. N. Shevchenko, M. F. Gonzalez-Zalba, Franco Nori   +4 more
doaj   +1 more source

Fast pseudorandom quantum state generators via inflationary quantum gates

npj Quantum Information
We propose a mechanism for reaching pseudorandom quantum states, computationally indistinguishable from Haar random, with shallow log-n depth quantum circuits, where n is the number of qudits.
Claudio Chamon, Eduardo R. Mucciolo, Andrei E. Ruckenstein, Zhi-Cheng Yang   +3 more
doaj   +1 more source

Different classes of quantum gates entanglers

, 2009
We construct quantum gates entanglers for different classes of multipartite states. In particular, we construct entangler operators for W and GHZ classes of multipartite states based on the construction of the concurrence classes.
Heydari, Hoshang,
core  

Implementation of a Quantum Addressable Router Using Superconducting Qubits

PRX Quantum
The implementation of a quantum router capable of performing both quantum signal routing and quantum addressing (a Q^{2}-router) represents a key step toward building quantum networks and quantum random access memories.
Connie Miao, Sébastien Léger, Ziqian Li, Gideon Lee, Liang Jiang, David I. Schuster   +5 more
doaj   +1 more source

Quantum SWAP gate realized with CZ and iSWAP gates in a superconducting architecture

New Journal of Physics
It is advantageous for any quantum processor to support different classes of two-qubit quantum logic gates when compiling quantum circuits, a property that is typically not present in existing platforms.
Christian Križan, Janka Biznárová, Liangyu Chen, Emil Hogedal, Amr Osman, Christopher W Warren, Sandoko Kosen, Hang-Xi Li, Tahereh Abad, Anuj Aggarwal, Marco Caputo, Jorge Fernández-Pendás, Akshay Gaikwad, Leif Grönberg, Andreas Nylander, Robert Rehammar, Marcus Rommel, Olga I Yuzephovich, Anton Frisk Kockum, Joonas Govenius, Giovanna Tancredi, Jonas Bylander   +21 more
doaj   +1 more source

Measurement-Free Code-Switching Protocol for Low-Overhead Quantum Computation Using Permutation-Invariant Codes

PRX Quantum
Transversal gates on quantum error correction codes have been a promising approach for fault-tolerant quantum computing, but are limited by the Eastin-Knill no-go theorem.
Yingkai Ouyang, Yumang Jing, Gavin K. Brennen   +2 more
doaj   +1 more source

Quantum Logic circuits for solid-state quantum information processing [PDF]

, 2010
This thesis describes research on the design of quantum logic circuits suitable for the experimental demonstration of a three-qubit quantum computation prototype. The design is based on a proposal for optically controlled, solid-state quantum logic gates.
Del Duce, A.
core  

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Optimal Control of Families of Quantum Gates

Physical Review Letters, 2022
Frédéric Sauvage
exaly