Condensed Matter Seminar

نویسندگان

  • Binquan Luna
  • Robeson Hall
چکیده

Donor electron and nuclear spins in silicon are excellent candidates for quantum bits (qubits) due to their compactness, tunability, long spin relaxation/coherence times and potential for large-scale integration with the microelectronics industry. There are three crucial elements of a spin based computer (i) a well defined spin qubit that can be readout and controlled in a nano-device (ii) precise control of the coupling between two spin qubits for quantum operations and (iii) a robust method to transport the spin qubit to different parts of the quantum computer. Prior silicon quantum computing architectures place a heavy demand on fabrication, by requiring precisely placed single donors (separated by 10-15 nm) in silicon to demonstrate the above building blocks [1,2]. Here, we model several silicon nanodevices with classical and quantum simulation techniques [3], and propose methods to circumvent the above fabrication challenge.

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تاریخ انتشار 2015