Results 51 to 60 of about 23,116,968 (338)

Are Quantum Models for Order Effects Quantum? [PDF]

open access: yesInternational Journal of Theoretical Physics, 2017
The application of principles of Quantum Mechanics in areas outside of physics has been getting increasing attention in the scientific community in an emergent discipline called Quantum Cognition. These principles have been applied to explain paradoxical situations that cannot be easily explained through classical theory. In quantum probability, events
Catarina Moreira, Andreas Wichert
openaire   +3 more sources

Quantum Dimer Models

open access: yes, 2010
These lecture notes aim to provide a self-contained, pedagogical introduction to the physics of local constraints, fractionalisation and topological liquids organised around the Rokhsar-Kivelson quantum dimer model. Topics and phenomena covered include emergent photons, SU(2) invariant spin liquids, valence-bond solids and Cantor deconfinement, along ...
Moessner, R., Raman, K. S.
openaire   +2 more sources

The Use of Semiconductor Quantum Dots with Large, Built-In Spontaneous Polarizations for the Electric Potential Stimulation of Biological Structures on the Nanoscale

open access: yesNanomaterials, 2023
The feasibility of using quantum dots fabricated from materials with built-in spontaneous polarizations for the electric potential stimulation of biological structures in aqueous environments is evaluated by modeling the electric potential produced in ...
Nida Zia   +2 more
doaj   +1 more source

DISSIPATIVE QUANTUM DISORDERED MODELS [PDF]

open access: yesRecent Progress in Many-Body Theories, 2006
This article reviews recent studies of mean-field and one dimensional quantum disordered spin systems coupled to different types of dissipative environments. The main issues discussed are: (i) The real-time dynamics in the glassy phase and how they compare to the behaviour of the same models in their classical limit.
openaire   +3 more sources

Differentiable Learning of Quantum Circuit Born Machine [PDF]

open access: yesPhysical Review A, 2018
Quantum circuit Born machines are generative models which represent the probability distribution of classical dataset as quantum pure states. Computational complexity considerations of the quantum sampling problem suggest that the quantum circuits ...
Jin-Guo Liu, Lei Wang
semanticscholar   +1 more source

Quantum Stochastic Walk models for quantum state discrimination

open access: yesPhysics Letters A, 2020
Quantum Stochastic Walks (QSW) allow for a generalization of both quantum and classical random walks by describing the dynamic evolution of an open quantum system on a network, with nodes corresponding to quantum states of a fixed basis. We consider the problem of quantum state discrimination on such a system, and we solve it by optimizing the network ...
Dalla Pozza, Nicola, Caruso, Filippo
openaire   +4 more sources

Quantum model of spin noise [PDF]

open access: yesJournal of Magnetic Resonance, 2015
Any ensemble of quantum particles exhibits statistical fluctuations known as spin noise. Here, we provide a description of spin noise in the language of open quantum systems. The description unifies the signatures of spin noise under both strong and weak measurements.
Annabestani, R.   +2 more
openaire   +3 more sources

Dynamic analysis of ribosome by a movie made from many three-dimensional electron-microscopy density maps

open access: yesBiophysics and Physicobiology, 2019
The atomic models of the 70S ribosome including the bound molecules were built from many 3D-EM density maps. The positions and conformations of the bound molecules were determined by fitting them to the regions in the density maps which remained after ...
Atsushi Matsumoto
doaj   +1 more source

Quantum Fields on Star Graphs [PDF]

open access: yes, 2006
We construct canonical quantum fields which propagate on a star graph modeling a quantum wire. The construction uses a deformation of the algebra of canonical commutation relations, encoding the interaction in the vertex of the graph.
B Bellazzini   +20 more
core   +3 more sources

Gaussian approximation potentials: the accuracy of quantum mechanics, without the electrons. [PDF]

open access: yesPhysical Review Letters, 2009
We introduce a class of interatomic potential models that can be automatically generated from data consisting of the energies and forces experienced by atoms, as derived from quantum mechanical calculations. The models do not have a fixed functional form
A. Bartók   +3 more
semanticscholar   +1 more source

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