= Daniel Loss
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{tag=Physicist}
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<Daniel Loss> and <David P. DiVincenzo> proposed <quantum computation> with the <spins> of single <electrons> confined in coupled <quantum dots>. Changing an electrical barrier changes tunnelling between the <quantum dots> and hence the <exchange interaction> between their <spins>. Controlling this interaction supplies two-<qubit> operations, while local <spin> control supplies single-<qubit> operations. The proposal makes a semiconductor device a controllable interacting <quantum system>, and explicitly considers how unwanted coupling to the environment degrades the operations.<Quantum Computation with Quantum Dots by Daniel Loss and David P. DiVincenzo>[Physical Review A 57, 120 (1998), abstract and section II]{ref}
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{title=Portrait of <Daniel Loss>}
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