Quantum tomography
Progressing of Quantum Tomography for Quantum Information Acquisition
... of quantum tomography and quantum process tomography, and the first experiments performed by Michael Ray- mer’s group at the University of Oregon [14-15], which already showed the results for ...
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Rank based model selection for multiple ions quantum tomography
... In principle the rank selection method works for any state, but is designed to take advantage of the lower complexity of small rank states. The drawback is the computational complexity of finding the MLE over states of ...
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Quantum tomography: asymptotic theory and statistical methodology
... 3.1 Quantum tomography via compressed sensing 33 We see that this is a general method. There are no assumptions made about the unknown state, nor has any prior information been incorporated. If however, we ...
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Corrigendum: Spectral thresholding quantum tomography for low rank states (2015 New J Phys 17 113050)
... [ 2 ] Alquier P, Butucea C, Hebiri M, Meziani K and Morimae T 2013 Rank penalized estimation of a quantum system Phys. Rev.A 88032113 [ 3 ] Butucea C, Guta M and Kypraios T 2015 Spectral thresholding ...
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Quantum tomography via compressed sensing: error bounds, sample complexity and efficient estimators
... to the truncation error. This error scaling is optimal up to constant multiplicative factors, and requires measuring only O (rd poly log d) Pauli expectation values, a fact we proved using the RIP [ 30 ]. We also proved ...
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Spectral thresholding quantum tomography for low rank states
... between quantum theory and statistics: from new state estimation ( or tomography ) methods [ 2 – 8 ] , design of experiments [ 9 – 11 ] , quantum process and detector tomography [12, 13] ...
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Precise quantum tomography of photon pairs with entangled orbital angular momentum
... of quantum mechanics associated with counter-intuitive non- classical correlations between separate parts of a quantum system ...of quantum information technology and in particular quantum ...
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An adaptive scheme for quantum state tomography
... Introduction Quantum information technologies have witnessed huge evolution in the last ...includes quantum computing, quantum cryptography, and quantum com- ...of quantum systems is a ...
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Minimax and adaptive estimation of the Wigner function in quantum homodyne tomography with noisy data
... what extent these functions differ from probability densities on the plane. The section ends with a concise diagram presenting the analytical relations between the different mathematical objects of quantum ...
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Adaptive quantum state tomography via linear regression estimation: Theory and two-qubit experiment
... for quantum information ...dimensional quantum systems, once the admissible measurement set is given, we can utilize the adaptive measurement strategy to estimate an unknown quantum ...the ...
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A Quantum-Quantum Metropolis Algorithm
... the quantum domain. Morevoer, the advantages of this quantum algorithm over classical algorithms could be exponential, as there is no need to explicitly solve for the eigenvalues and eigenvectors in the ...
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At the intersection of quantum computing and quantum chemistry
... There is no need for an explicit coin, as the stochastic map is the most general evolution of a density matrix, including random processes. However, if desired, a coin could be implement[r] ...
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Quantum communication and quantum computing
... present, quantum computers and quantum information technology remains in its pioneering ...thrust quantum computers up to their rightful position as the fastest computational machines in ...
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Quantum Chemistry in the Age of Quantum Computing
... After computing the energy expectation with respect to some values assigned to the pa- rameters, VQE employs a classical optimization routine to update the parameters to ideally reach a quantum state that better ...
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Quantum Architecture Quantum Architecture
... These can include employees who require their processes to be enabled by technology, employees who are geographically dispersed, suppliers who are required to integrate with the busine[r] ...
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Quantum Computing and Quantum Algorithms
... a quantum algorithm that would factorize RSA-129 in a few seconds, if we could build a quantum computer that ran as fast as a modem ...his quantum computing method for extracting prime factors of ...
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Quantum-assisted quantum compiling
... the quantum computer, so it must be effi- ciently implementable, ...compiling quantum simulations of physically relevant systems, as the structure resem- bles that of the Suzuki-Trotter decomposition [41] ...
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QUANTUM GRAVITY AND QUANTUM ELECTRODYNAMICS
... The term “quantum gravity” is frequently used nowadays. There is a journal “Classical and Quantum Gravity”, there are many books with “quantum gravity” in their titles. It is tempting to assume that ...
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Quantum Circuits for Quantum Channels
... in quantum information theory because they are the most general evolutions quantum systems can ...over quantum systems consisting of a small number of qubits by demonstrat- ing the ability to perform ...
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The Generation of Quantum Objects by Quantum Loops
... of quantum field ...of quantum field dynamics (Section 6), the Higgs field could also be considered a secondary field, that is, a field that does not carry energy, like the gravitational field or the ...
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