Details
| Original language | English |
|---|---|
| Article number | 100501 |
| Journal | Physical review letters |
| Volume | 108 |
| Issue number | 10 |
| Publication status | Published - 7 Mar 2012 |
| Externally published | Yes |
Abstract
We propose the use of dipolar spin chains to enable long-range quantum logic between distant qubits. In our approach, an effective interaction between remote qubits is achieved by adiabatically following the ground state of the dipolar chain across the paramagnet to crystal phase transition. We demonstrate that the proposed quantum gate is particularly robust against disorder and derive scaling relations, showing that high-fidelity qubit coupling is possible in the presence of realistic imperfections. Possible experimental implementations in systems ranging from ultracold Rydberg atoms to arrays of nitrogen vacancy defect centers in diamond are discussed.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- General Physics and Astronomy
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In: Physical review letters, Vol. 108, No. 10, 100501, 07.03.2012.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Long-Range Quantum Gates using Dipolar Crystals
AU - Weimer, Hendrik
AU - Yao, Norman Y.
AU - Laumann, Chris R.
AU - Lukin, Mikhail D.
PY - 2012/3/7
Y1 - 2012/3/7
N2 - We propose the use of dipolar spin chains to enable long-range quantum logic between distant qubits. In our approach, an effective interaction between remote qubits is achieved by adiabatically following the ground state of the dipolar chain across the paramagnet to crystal phase transition. We demonstrate that the proposed quantum gate is particularly robust against disorder and derive scaling relations, showing that high-fidelity qubit coupling is possible in the presence of realistic imperfections. Possible experimental implementations in systems ranging from ultracold Rydberg atoms to arrays of nitrogen vacancy defect centers in diamond are discussed.
AB - We propose the use of dipolar spin chains to enable long-range quantum logic between distant qubits. In our approach, an effective interaction between remote qubits is achieved by adiabatically following the ground state of the dipolar chain across the paramagnet to crystal phase transition. We demonstrate that the proposed quantum gate is particularly robust against disorder and derive scaling relations, showing that high-fidelity qubit coupling is possible in the presence of realistic imperfections. Possible experimental implementations in systems ranging from ultracold Rydberg atoms to arrays of nitrogen vacancy defect centers in diamond are discussed.
UR - http://www.scopus.com/inward/record.url?scp=84858061446&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.108.100501
DO - 10.1103/PhysRevLett.108.100501
M3 - Article
AN - SCOPUS:84858061446
VL - 108
JO - Physical review letters
JF - Physical review letters
SN - 0031-9007
IS - 10
M1 - 100501
ER -