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A quantum phase transition in a quantum external field: Superposing two magnetic phases
We study an Ising chain undergoing a quantum phase transition in a quantum magnetic field. Such a field can be emulated by coupling the chain to a central spin initially in a superposition state. We show that – by adiabatically driving such a system – one can prepare a quantum superposition of any t...
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| Main Authors: | , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
Nature Publishing Group
2012
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| Teme: | |
| Online dostop: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3440626/ https://ncbi.nlm.nih.gov/pubmed/22977730 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep00655 |
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