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Non-adiabatic holonomic quantum computation in decoherence-free subspaces
- Xu, G.F. (author)
-
- Zhang, J. (author)
- Dept. of Physics, Shandong University, China
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- Tong, Dianmin (author)
- Dept. of Physics, Shandong University, China
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- Dept of Physics, Shandong University, China Kvantkemi (creator_code:org_t)
- 2012
- 2012
- English.
- In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 109:17
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Quantum computation that combines the coherence stabilization virtues of decoherence-free subspaces and the fault tolerance of geometric holonomic control is of great practical importance. Some schemes of adiabatic holonomic quantum computation in decoherence-free subspaces have been proposed in the past few years. However, non-adiabatic holonomic quantum computation in decoherence-free subspaces, which avoids long run-time requirement but with all the robust advantages, remains an open problem. Here, we demonstrate how to realize non-adiabatic holonomic quantum computation in decoherence-free subspaces. By using only three neighboring physical qubits undergoing collective dephasing to encode one logical qubit, we realize a universal set of quantum gates.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Quantum computation
- geometric phase
- decoherence
- quantum gates
- Fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Xu, G.F.
- Zhang, J.
- Tong, Dianmin
- Sjöqvist, Erik
- Kwek, L.C.
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- By the university
- Uppsala University
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