Results 241 to 250 of about 668,121 (290)
Representation learning with parameterised quantum circuits for advancing speech emotion recognition. [PDF]
Sci RepRajapakshe T +4 more
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Collection of fluorescence from an ion using trap-integrated photonics. [PDF]
Light Sci ApplKnollmann FW +14 more
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Entangled fingerprints for quantum-encoded chemoinformatics: quantum circuits for molecular similarity in the noisy era. [PDF]
Front ChemShityakov S, Dandekar T.
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Phase estimation algorithms for quantum enhanced magnetometry with artificial atoms. [PDF]
Sci RepSlepnev V, Gubaydullin A, Vinokur V.
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Quantum Nondemolition Measurements
Science, 1980Some future gravitational-wave antennas will be cylinders of mass ∼100 kilograms, whose end-to-end vibrations must be measured so accurately (10 –19 centimeter) that they behave quantum mechanically. Moreover, the vibration amplitude must be measured over and over again without perturbing it (quantum nondemolition ...
Braginsky, Vladimir B. +2 more
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2023
Abstract In this chapter we first review projective or von Neumann measurements from the point of view of the projection postulate and the Lüders rule, before turning to more general measurements modelled using positive operator-valued measures (POVMs).
Reinhold A. Bertlmann, Nicolai Friis
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Abstract In this chapter we first review projective or von Neumann measurements from the point of view of the projection postulate and the Lüders rule, before turning to more general measurements modelled using positive operator-valued measures (POVMs).
Reinhold A. Bertlmann, Nicolai Friis
openaire +2 more sources
2022
Abstract Measurements of quantum states are a key feature of QIS and QC. Polarized light, optical polarization devices, and light detectors illustrate how we describe quantum measurements and how the results of measurements are related to the properties of the quantum states describing the photon qubits.
Alice Flarend, Bob Hilborn
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Abstract Measurements of quantum states are a key feature of QIS and QC. Polarized light, optical polarization devices, and light detectors illustrate how we describe quantum measurements and how the results of measurements are related to the properties of the quantum states describing the photon qubits.
Alice Flarend, Bob Hilborn
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Open Systems & Information Dynamics, 2007
Fundamental studies of quantum measurements and their capacity to acquire information are typically based on scenarios in which the full Hilbert space of the measured quantum system is open to measurement interactions. In this work, we consider a class of incomplete quantum measurements — quantum subspace measurements (QSM's) — for which all ...
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Fundamental studies of quantum measurements and their capacity to acquire information are typically based on scenarios in which the full Hilbert space of the measured quantum system is open to measurement interactions. In this work, we consider a class of incomplete quantum measurements — quantum subspace measurements (QSM's) — for which all ...
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Foundations of Quantum Mechanics, 1991
Abstract The “quantum measurement problem” deals with the reconciliation of the microscopic with the macroscopic . In this article (which has a review component) we describe a theory that effects that reconciliation through a radical revision of (experimentally unverified aspects of) the fundamental hypotheses of statistical mechanics, the latter ...
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Abstract The “quantum measurement problem” deals with the reconciliation of the microscopic with the macroscopic . In this article (which has a review component) we describe a theory that effects that reconciliation through a radical revision of (experimentally unverified aspects of) the fundamental hypotheses of statistical mechanics, the latter ...
openaire +1 more source