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Quantum Computing by Two-Dimensional NMR using Spin- and Transition-Selective Pulses | | T. S. Mahesh
; Kavita Dorai
; Arvind
; Anil Kumar
; | | Date: |
27 Jun 2000 | | Subject: | quant-ph | | Affiliation: | IISc. Bangalore), Kavita Dorai (IISc. Bangalore), Arvind (GNDU Amritsar), Anil Kumar (IISc.Bangalore | | Abstract: | Quantum computing using two-dimensional NMR has recently been described using scalar coupling evolution technique [J. Chem. Phys.,109,10603 (1998)]. In the present paper, we describe two-dimensional NMR quantum computing with the help of selective pulses. A number of logic gates are implemented using two and three qubits with one extra observer spin. Some many-in-one gates (or Portmanteau gates) are implemented. Toffoli gate (or AND/NAND gate) and OR/NOR gates are implemented on three qubits. Deutsch-Jozsa quantum algorithm for one and two qubits, using one extra work qubit, has also been implemented using selective pulses after creating a coherent superposition state, in the two-dimensional methodology. | | Source: | arXiv, quant-ph/0006123 | | Services: | Forum | Review | PDF | Favorites | |
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