Results 21 to 30 of about 426,314 (212)

Central Charge Extended Supersymmetric Structures for Fundamental Fermions Around non-Abelian Vortices [PDF]

open access: yes, 2014
Fermionic zero modes around non-abelian vortices are shown that they constitute two $N=2$, $d=1$ supersymmetric quantum mechanics algebras. These two algebras can be combined under certain circumstances to form a central charge extended $N=4 ...
Kleidis, K., Oikonomou, V. K.
core   +1 more source

Depicting qudit quantum mechanics and mutually unbiased qudit theories

open access: yes, 2014
We generalize the ZX calculus to quantum systems of dimension higher than two. The resulting calculus is sound and universal for quantum mechanics. We define the notion of a mutually unbiased qudit theory and study two particular instances of these ...
Ranchin, André
core   +2 more sources

Categorical Quantum Mechanics [PDF]

open access: yes, 2009
This invited chapter in the Handbook of Quantum Logic and Quantum Structures consists of two parts: 1. A substantially updated version of quant-ph/0402130 by the same authors, which initiated the area of categorical quantum mechanics, but had not yet been published in full length; 2.
Abramsky, Samson, Coecke, Bob
openaire   +2 more sources

Discrete quantum mechanics [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2011
61 pages, 1 figure.
Odake, Satoru, Sasaki, Ryu
openaire   +2 more sources

The Possibility of Reconciling Quantum Mechanics with Classical Probability Theory

open access: yes, 2007
We describe a scheme for constructing quantum mechanics in which a quantum system is considered as a collection of open classical subsystems. This allows using the formal classical logic and classical probability theory in quantum mechanics. Our approach
A. N. Kolmogorov   +14 more
core   +2 more sources

Quantum Interference without Quantum Mechanics

open access: yesJournal of Modern Physics, 2019
A recently proposed model of the Dirac electron, which describes observed properties of the particle correctly, is in the present paper shown to be also able to explain quantum interference by classical probabilities. According to this model, the electron is not point-like, but rather an "entity" formed by a fast periodic motion of a quantum whose ...
openaire   +3 more sources

From Classical to Quantum Mechanics: "How to translate physical ideas into mathematical language"

open access: yes, 2001
In this paper, we investigate the connection between Classical and Quantum Mechanics by dividing Quantum Theory in two parts: - General Quantum Axiomatics (a system is described by a state in a Hilbert space, observables are self-adjoint operators and so
Bayen F.   +7 more
core   +1 more source

Geometry, stochastic calculus and quantum fields in a non-commutative space-time

open access: yes, 1999
The algebras of non-relativistic and of classical mechanics are unstable algebraic structures. Their deformation towards stable structures leads, respectively, to relativity and to quantum mechanics.
Accardi L.   +16 more
core   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Canonical transformations in quantum mechanics

open access: yes, 2012
This paper presents the general theory of canonical transformations of coordinates in quantum mechanics. First, the theory is developed in the formalism of phase space quantum mechanics.
Anderson   +42 more
core   +1 more source

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