Results 361 to 370 of about 311,633 (389)

Multi-qubit entanglement and algorithms on a neutral-atom quantum computer

Nature, 2021
Gate-model quantum computers promise to solve currently intractable computational problems if they can be operated at scale with long coherence times and high-fidelity logic.
T. M. Graham, Y. Song, J. Scott, C. Poole, L. Phuttitarn, K. Jooya, P. Eichler, X. Jiang, A. Marra, B. Grinkemeyer, M. Kwon, M. Ebert, J. Cherek, M. Lichtman, M. Gillette, J. Gilbert, D. Bowman, T. Ballance, C. Campbell, E. Dahl, O. Crawford, N. S. Blunt, B. Rogers, T. Noel, M. Saffman   +24 more
semanticscholar   +1 more source

Qubit masking in multipartite qubit system

Modern Physics Letters A, 2021
The no-masking theories show that it is impossible to mask the set of all qubit states into the quantum correlation of bipartite qubit system or tripartite qubit system. In this paper, we give a new proof of the no-masking situation of the tripartite qubit system.
Jie Zhou, Jing-Ling Chen, Hui-Xian Meng, Fu-Lin Zhang, Wei-Min Shang   +4 more
openaire   +2 more sources

TWO-QUBIT OPERATION ON MAJORANA QUBITS IN ORDINARY-QUBIT CHAINS

ПИСЬМА В ЖУРНАЛ ЭКСПЕРИМЕНТАЛЬНОЙ И ТЕОРЕТИЧЕСКОЙ ФИЗИКИ, 2018
Majorana zero modes can be simulated in structures based on spin or quasi-spin degrees of freedom, e.g., Josephson-qubit chains. Braiding of Majorana degrees of freedom is realized using T-junctions supplied with an auxiliary spin (ancilla). Motivated by prospective experiments, we analyze the braiding in the spin representation, which provides the ...
Yu. Makhlin, Yu. Makhlin, Alexander Shnirman, Stefan Backens   +3 more
openaire   +2 more sources

Quantum state tomography across the exceptional point in a single dissipative qubit

Nature Physics, 2019
Open physical systems can be described by effective non-Hermitian Hamiltonians that characterize the gain or loss of energy or particle numbers from the system.
M. Naghiloo, M. Abbasi, Y. Joglekar, K. Murch   +3 more
semanticscholar   +1 more source

Qubits without qubits

Science
Light-based platforms for quantum computing do not require physical ...
openaire   +2 more sources

Quest for qubits

Science, 2016
How small startups are vying with corporate behemoths for quantum supremacy.
openaire   +3 more sources

High-fidelity gates and mid-circuit erasure conversion in an atomic qubit

Nature, 2023
Shuo Ma, Genyue Liu, Pai Peng, Bichen Zhang, Sven Jandura, J. Claes, Alex P. Burgers, G. Pupillo, S. Puri, Jeff D. Thompson   +9 more
semanticscholar   +1 more source

Rotating a qubit

Information Sciences, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Invariants for multiple qubits: the case of 3 qubits

2002
Abstract : The problem of quantifying entanglement in multiparticle quantum systems can be addressed using techniques from the invariant theory of Lie groups. We briefly review this theory, and then develop these techniques for application to entanglement of multiple qubits.
David A. Meyer, Noland Wallach
openaire   +2 more sources

Qubit-qubit interaction in quantum computers

Physical Review A, 1998
Limitations to the performance of a quantum computer arising from direct interaction between qubits are considered, and the basic scaling laws (with the computation time and the number of qubits) are established for the specific example of the quantum Fourier transform algorithm.
openaire   +2 more sources