Results 11 to 20 of about 4,217,432 (315)
Scientific Reports, 2022 Surface ion traps are among the most promising technologies for scaling up quantum computing machines, but their complicated multi-electrode geometry can make some tasks, including compensation for stray electric fields, challenging both at the level of ...
Moji Ghadimi +5 more
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Equivalence of Approaches to Relational Quantum Dynamics in Relativistic Settings [PDF]
Frontiers of Physics, 2020 We have previously shown that three approaches to relational quantum dynamics—relational Dirac observables, the Page-Wootters formalism and quantum deparametrizations—are equivalent.
Philipp A. Hoehn +2 more
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Quantum critical dynamics in a 5,000-qubit programmable spin glass [PDF]
Nature, 2022 Experiments on disordered alloys^ 1 – 3 suggest that spin glasses can be brought into low-energy states faster by annealing quantum fluctuations than by conventional thermal annealing.
Andrew D. King +26 more
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Quantum steering with vector vortex photon states with the detection loophole closed
npj Quantum Information, 2022 Violating a nonlocality inequality enables the most powerful remote quantum information tasks and fundamental tests of quantum physics. Loophole-free photonic verification of nonlocality has been achieved with polarization-entangled photon pairs, but not
Sergei Slussarenko +7 more
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Molecular Quantum Dynamics: A Quantum Computing Perspective.
Accounts of Chemical Research, 2021 ConspectusSimulating molecular dynamics (MD) within a comprehensive quantum framework has been a long-standing challenge in computational chemistry. An exponential scaling of computational cost renders solving the time dependent Schrödinger equation ...
Pauline J. Ollitrault +2 more
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Non-Markovian quantum dynamics: What is it good for? [PDF]
Europhysics letters, 2020 Recent developments in practical quantum engineering and control techniques have allowed significant developments for experimental studies of open quantum systems and decoherence engineering.
Chuan‐Feng Li, G. Guo, J. Piilo
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Non-equilibrium quantum dynamics and formation of the Bose polaron [PDF]
Nature Physics, 2020 Advancing our understanding of non-equilibrium phenomena in quantum many-body systems remains one of the greatest challenges in physics. Here we report on the experimental observation of a paradigmatic many-body problem, namely the non-equilibrium ...
M. G. Skou +7 more
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Numerically "exact" approach to open quantum dynamics: The hierarchical equations of motion (HEOM).
Journal of Chemical Physics, 2020 An open quantum system refers to a system that is further coupled to a bath system consisting of surrounding radiation fields, atoms, molecules, or proteins. The bath system is typically modeled by an infinite number of harmonic oscillators.
Y. Tanimura
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Path-integral approximations to quantum dynamics
European Physical Journal B : Condensed Matter Physics, 2021 Imaginary-time path-integral or ‘ring-polymer’ methods have been used to simulate quantum (Boltzmann) statistical properties since the 1980s. This article reviews the more recent extension of such methods to simulate quantum dynamics, summarising the ...
S. Althorpe
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Implications of Local Friendliness Violation for Quantum Causality
Entropy, 2021 We provide a new formulation of the Local Friendliness no-go theorem of Bong et al. [Nat. Phys. 16, 1199 (2020)] from fundamental causal principles, providing another perspective on how it puts strictly stronger bounds on quantum reality than Bell’s ...
Eric G. Cavalcanti, Howard M. Wiseman
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