Results 11 to 20 of about 16,495,539 (312)

On the Connection Between Quantum Probability and Geometry

open access: yesQuanta, 2021
We discuss the mathematical structures that underlie quantum probabilities. More specifically, we explore possible connections between logic, geometry and probability theory. We propose an interpretation that generalizes the method developed by R.
Federico Holik
doaj   +1 more source

Spectral Problem of the Hamiltonian in Quantum Mechanics without Reference to a Potential Function

open access: yesAxioms, 2023
Following the celebrated postulates of quantum mechanics, we write the quantum mechanical wavefunction as a convergent series of suitably selected complete square-integrable basis functions in configuration space. The expansion coefficients of the series
Ibraheem F. Al-Yousef   +3 more
doaj   +1 more source

Quantum physics from waves: An analogy-based approach for high school [PDF]

open access: yesRevista Brasileira de Ensino de Física, 2021
In this paper we present a proposal for teaching basic aspects of quantum mechanics in high school. Our proposal is based on a wave approach that makes use of the analogies between wave phenomena at macroscopic scales and phenomena at atomic or subatomic scales.
Marcelo Arlego   +2 more
openaire   +6 more sources

In situ upgrade of quantum simulators to universal computers [PDF]

open access: yes, 2018
Quantum simulators, machines that can replicate the dynamics of quantum systems, are being built as useful devices and are seen as a stepping stone to universal quantum computers.
Benjamin Dive   +7 more
core   +1 more source

A “garden of forking paths” – The quantum mechanics of histories of events

open access: yesNuclear Physics B, 2016
This is a survey of a novel approach, called “ETH approach”, to the quantum theory of events happening in isolated physical systems and to the effective time evolution of states of systems featuring events.
Philippe Blanchard   +2 more
doaj   +1 more source

Teaching quantum interpretations : revisiting the goals and practices of introductory quantum physics courses [PDF]

open access: yes, 2015
This work was supported in part by NSF CAREER Grant No. 0448176, NSF DUE No. 1322734, NSF IUSE No. 1432204, the University of Colorado, and the University of St Andrews.Most introductory quantum physics instructors would agree that transitioning students
Charles Baily   +3 more
core   +1 more source

Operational applications of the diamond norm and related measures in quantifying the non-physicality of quantum maps [PDF]

open access: yesQuantum, 2021
Although quantum channels underlie the dynamics of quantum states, maps which are not physical channels — that is, not completely positive — can often be encountered in settings such as entanglement detection, non-Markovian quantum dynamics, or error ...
Bartosz Regula, Ryuji Takagi, Mile Gu
doaj   +1 more source

The Paraconsistent Logic of Quantum Superpositions [PDF]

open access: yes, 2013
Physical superpositions exist both in classical and in quantum physics. However, what is exactly meant by ‘superposition’ in each case is extremely different.
de Ronde, Christian   +2 more
core   +1 more source

Quantum teleportation and dynamics of quantum coherence and metrological non-classical correlations for open two-qubit systems

open access: yesScientific Reports, 2023
We investigate the dynamics of non-classical correlations and quantum coherence in open quantum systems by employing metrics like local quantum Fisher information, local quantum uncertainty, and quantum Jensen-Shannon divergence.
Yassine Dakir   +4 more
doaj   +1 more source

Quantum information theory and the foundations of quantum mechanics [PDF]

open access: yes, 2004
This thesis is a contribution to the debate on the implications of quantum information theory for the foundational problems of quantum mechanics. In Part I an attempt is made to shed some light on the nature of information and quantum information theory.
Timpson, Christopher   +3 more
core   +1 more source

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