Quantum computer with dipole-dipole interacting two-level systems
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A scalable, high-performance quantum processor can be implemented using near-resonant dipole-dipole interacting dopants in a solid state host. In this scheme, the qubits are represented by ground and subradiant states of effective dimers formed by pairs of closely spaced two-level systems, while the two-qubit entanglement either relies on the coherent excitation exchange between the dimers or is mediated by external laser fields.
8 pages, 6 figures; expanded quant-ph/0205174 (PRL 89, 207902)
8 pages, 6 figures; expanded quant-ph/0205174 (PRL 89, 207902)