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Abstract

Solid matter quantum computers with local control accesses are based on the fixed arrangement of spins as quantum mechanical information units. Local control accesses allow the dynamic modification of the resonance frequency of individual spins and the interlinking of spins for the individual addressing of spins in order to carry out computer operations. Known local control accesses perform poorly and are difficult to produce. The invention uses the electron spins of enclosure atoms in endohedral fullerenes, which are electromagnetically interlinked (J) by a magnetic dipole-dipole interaction (105). The resonance frequency (.omega.) is regulated by a controlled electron transfer to or from the cage of the endohedral fullerenes (104) with an adjustable residence time. The electromagnetic link (J) is regulated by a controlled angular modification v (108) between the orientation of the external magnetic field (B) (109) and the binding vector (r) (107) of neighboring fullerenes (104). Electron spin quantum computers envisage matrix-type arrangements of endohedral fullerenes (104) with different resonance frequencies (.omega.). The addressing control accesses can, in particular, be configured as large-surface electrodes (104) and the linking control accesses can be achieved mechanically, optically or chemically.

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First Claim