Results 21 to 30 of about 1,406,388 (290)
The Operational Choi–Jamiołkowski Isomorphism
Entropy, 2020 In this article, I use an operational formulation of the Choi–Jamiołkowski isomorphism to explore an approach to quantum mechanics in which the state is not the fundamental object.
Emily Adlam
doaj +1 more source
Atom-optically synthetic gauge fields for a noninteracting Bose gas
Light: Science & Applications, 2022 A two-leg ladder with tunable gauge fields is achieved by one-dimensional synthetic momentum-state lattice of a noninteracting Bose gas.
Yuqing Li +9 more
doaj +1 more source
High-performance cavity-enhanced quantum memory with warm atomic cell
Nature Communications, 2022 Quantum memories usually suffer from a trade-off between efficiency and excess noise. Here, by exploiting the time-reversal approach for improving modes matching, the authors show a warm-atomic-cell-based cavity-enhanced memory with 67% efficiency and ...
Lixia Ma +8 more
doaj +1 more source
Reconstructing Quantum States With Quantum Reservoir Networks [PDF]
IEEE Transactions on Neural Networks and Learning Systems, 2021 Reconstructing quantum states is an important task for various emerging quantum technologies. The process of reconstructing the density matrix of a quantum state is known as quantum state tomography. Conventionally, tomography of arbitrary quantum states is challenging as the paradigm of efficient protocols has remained in applying specific techniques ...
Sanjib Ghosh +4 more
openaire +4 more sources
On the determination of pure quantum states by the homodyne detection
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2016 The methods of reconstruction of the wave function of a pure state of a quantum system by quadrature distribution measured experimentally by the homodyne detection are considered.
Andrey I Dnestryan
doaj +1 more source
Light: Science & Applications, 2023 The Feynman-Tan relation, obtained by combining the Feynman energy relation with the Tan’s two-body contact, can explain the excitation spectra of strongly interacting 39K Bose-Einstein condensate (BEC).
Yunfei Wang +7 more
doaj +1 more source
Thermalization of quantum states [PDF]
Journal of Mathematical Physics, 1999 An exact stochastic model for the thermalization of quantum states is proposed. The model has various physically appealing properties. The dynamics are characterized by an underlying Schrödinger evolution, together with a nonlinear term driving the system toward an asymptotic equilibrium state and a stochastic term reflecting fluctuations.
Brody, Dorje C., Hughston, Lane P.
openaire +3 more sources
Long-lived and multiplexed atom-photon entanglement interface with feed-forward-controlled readouts
Communications Physics, 2021 The quantum interface to generate entanglement between a flying photonic qubit and a stationary qubit is a key functionality for the quantum internet. The authors demonstrate a multiplexed quantum interface that stores three long-lived spin-wave qubits ...
Sheng-zhi Wang +6 more
doaj +1 more source
On quantum operations as quantum states [PDF]
Annals of Physics, 2004 Revtex, 14 pages, v4: changed ...
Arrighi, Pablo, Patricot, Christophe
openaire +3 more sources
Remote state preparation of a photonic quantum state via quantum teleportation [PDF]
, 2013 We demonstrate an experimental realization of remote state preparation via the quantum teleportation algorithm, using an entangled photon pair in the polarization degree of freedom as the quantum resource. The input state is encoded on the path of one of
Knoll, Laura T. +2 more
core +2 more sources