Mayukh Lahiri, Manuel Erhard
Abstract
We present a quantum metrological method that yields the Heisenberg limit without employing a squeezed or a many-particle entangled state. A separable state is used to probe the phase. Entanglement is disadvantageous for our method.
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We present a quantum metrological method that yields the Heisenberg limit without employing a squeezed or a many-particle entangled state. A separable state is used to probe the phase. Entanglement is disadvantageous for our method.
Key concepts: Quantum metrology, Quantum entanglement, Heisenberg limit, Physics, Quantum sensor, Metrology, Quantum imaging, Quantum mechanics