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Application US20200118025
Published 2020-04-16
Quantum Computer With Improved Continuous Quantum Generator
A hybrid quantum classical (HQC) computer which includes both a classical computer component and a quantum computer component performs generative learning on continuous data distributions. The HQC computer is capable of being implemented using existing and near-term quantum computer components having relatively low circuit depth.
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- 1. A device comprising:
a variational quantum generator circuit comprising:
a first quantum encoding circuit, which receives as input a real value z from a classical distribution and encodes the real value as an input quantum state |R(z)
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, having r qubits; and
a quantum generator circuit G(Θg), which receives the input quantum state and acts on a register of n qubits including the input quantum state, with n≥r, and which generates classical data xFake by measuring, by a measurement decoding component, at least one expectation value of a fixed set of observables.
- 39. A method performed by a device, the device comprising a variational quantum generator circuit, the method comprising:
at a first quantum encoding circuit in the variational quantum generator circuit, receiving as input a real value z from a classical distribution and encodes the real value as an input quantum state |R(z)
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, having r qubits; and at a quantum generator circuit G(Θg) in the variational quantum generator circuit: receiving the input quantum state and acts on a register of n qubits including the input quantum state, with n≥r, and generating classical data xFake by measuring, by a measurement decoding component, at least one expectation value of a fixed set of observables.
