TY - JOUR

T1 - Quantum waves - The proper basis for low dissipation quantum computing

AU - Ferry, D. K.

AU - Akis, R.

AU - Knezevic, I.

N1 - Funding Information:
The authors have benefited from helpful discussions with C. Jacoboni, J.P. Bird, Y. Ochiai, S.M. Goodnick, L. Shifren, C. Ringhofer and F. Hoppenstadt. This work was supported by the Office of Naval Research.

PY - 2002/8

Y1 - 2002/8

N2 - The promise of more effective computation led to quantum computers, which are supposed to surpass binary, digital computers. This is an outgrowth of the search for dissipation-free computation, in which the bit state is switched 'adiabatically.' Implementations in which the two local minima are at different energy levels are unstable. Using super-symmetric quantum mechanics, we show that natural transitions occur between degenerate eigenstates. Then we can write, quite generally, that the qubit should satisfy the Hamiltonian H = k2 > 0, and we associate k with the 'momentum' in Hilbert space. That is, the fundamental structure of the quantum qubit should be that of a quantum plane wave.

AB - The promise of more effective computation led to quantum computers, which are supposed to surpass binary, digital computers. This is an outgrowth of the search for dissipation-free computation, in which the bit state is switched 'adiabatically.' Implementations in which the two local minima are at different energy levels are unstable. Using super-symmetric quantum mechanics, we show that natural transitions occur between degenerate eigenstates. Then we can write, quite generally, that the qubit should satisfy the Hamiltonian H = k2 > 0, and we associate k with the 'momentum' in Hilbert space. That is, the fundamental structure of the quantum qubit should be that of a quantum plane wave.

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U2 - 10.1016/S0167-9317(02)00626-3

DO - 10.1016/S0167-9317(02)00626-3

M3 - Article

AN - SCOPUS:0036679986

VL - 63

SP - 17

EP - 21

JO - Microelectronic Engineering

JF - Microelectronic Engineering

SN - 0167-9317

IS - 1-3

ER -