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AssigneeHQS Quantum Simulations GmbH
InventorsMichael Marthaler, Jan-Michael Reiner, Sebastian Zanker, Iris Schwenk
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For manufacturing-related reasons, the qubits of known quantum computers are not to be regarded as equivalent, but instead a standard quantum computer has not only high-performance qubits with long decoherence times and good fidelities of operation but also low-performance qubits with short decoherence times and poor fidelities of operation. The invention utilizes these by subdividing a system to be modeled with such a quantum computer into a bath part of low relevance and a cluster part of high relevance, wherein a rough description of the bath part is assigned to the low-performance qubits and an exact description of the cluster part is assigned to the high-performance qubits.
A method for modeling, by means of a quantum computer (4), which has a multiplicity of qubits (5, 6), of a system (1) consisting of a conventionally describable bath (2) and a cluster (3) to be described quantum-mechanically, the system (1) elements of which are respectively able to occupy two states, wherein the qubits (5, 6) are first of all evaluated with respect to their system properties and categorized as high-performance qubits (5) and low-performance qubits (6) and a correlation of the high-performance qubits (5) to modeling of the cluster (3) as well as a correlation of the low-performance qubits (6) to modeling of the bath (2) is undertaken during a mapping process (7).
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