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Basic Notions of Entropy and Entanglement
Basic Notions of Entropy and Entanglement

... at temperature T , we need to do work N T ln 2. 2. Classical Entanglement We3 say that two subsystems of a given system are entangled if they are not independent. Quantum entanglement can occur at the level of wave functions or operators, and has some special features, but there is nothing intrinsic ...
Stability of local quantum dissipative systems
Stability of local quantum dissipative systems

Topological quantum computation
Topological quantum computation

... not be T or P invariant. In our flux-charge composite model the origin of this symmetry breaking is not mysterious — it arises from the nonzero magnetic field. But in a system with no intrinsic breaking of T and P , if anyons occur then either these symmetries must be broken spontaneously, or else t ...
870 - Literature Survey in Spiritual Healing and Holism
870 - Literature Survey in Spiritual Healing and Holism

Models of quantum computation and quantum programming
Models of quantum computation and quantum programming

achieving 128-bit security against quantum attacks in openvpn
achieving 128-bit security against quantum attacks in openvpn

... literature. Secondly, we introduce a mechanism to minimize OpenVPN’s handshake time when using the large McEliece keys. We demonstrate and evaluate the usability of our solution in practice by benchmarking it against regular OpenVPN. Our main contributions are new McEliece parameters that result in ...
achieving 128-bit security against quantum attacks in openvpn
achieving 128-bit security against quantum attacks in openvpn

... literature. Secondly, we introduce a mechanism to minimize OpenVPN’s handshake time when using the large McEliece keys. We demonstrate and evaluate the usability of our solution in practice by benchmarking it against regular OpenVPN. Our main contributions are new McEliece parameters that result in ...
Interacting Quantum Observables: Categorical Algebra and
Interacting Quantum Observables: Categorical Algebra and

... A related issue is that of axiomatizing quantum theory. Despite its obvious correctness, as a language to describe quantum theory, the Hilbert space formalism seems somewhat ad hoc from a conceptual perspective. The first to acknowledge this was von Neumann himself, who for this reason denounced his ...
140570662 - BORA
140570662 - BORA

... Newton’s classical mechanics were largely abandoned in the 1920s when the physicists in the world turned their attention to the new quantum mechanics. But there was a price to pay for the accuracy of QM. Only the simplest problems, e.g. the hydrogen atom, are analytically solveable; and the computat ...
Zero-energy states in supersymmetric matrix models
Zero-energy states in supersymmetric matrix models

Quantum reflection and dwell times of
Quantum reflection and dwell times of

... Where N – number of particles within the barrier and j – incident flux given as Does not distinguish if the particles got reflected or transmitted Büttiker: The extent to which the spin undergoes a Larmor precession is determined by the dwell time of a particle in the barrier. Hauge: the above state ...
Conversion of Photons to Electrons in a Single
Conversion of Photons to Electrons in a Single

Computational Methods for Simulating Quantum Computers
Computational Methods for Simulating Quantum Computers

Existence of an Ericson regime in stretched helium
Existence of an Ericson regime in stretched helium

... research is not the reproduction of high accuracy experimental atomic physics data, but the qualitative discussion of known phenomena or the search for qualitatively new dynamical regimes. Some of these models are surprisingly realistic. S-wave helium, e.g., a model based on breathing helium shells, ...
Maximum Entropy Closure of Balance Equations for Miniband
Maximum Entropy Closure of Balance Equations for Miniband

Could light harvesting complexes exhibit non
Could light harvesting complexes exhibit non

Black  Hole  Singularities  in the  Framework... Gauge/String  Duality by Guido  Nicola  Innocenzo  Festuccia
Black Hole Singularities in the Framework... Gauge/String Duality by Guido Nicola Innocenzo Festuccia

Nanoconfined water under electric field at constant chemical
Nanoconfined water under electric field at constant chemical

Density Matrix Calculation of Surface Enhanced
Density Matrix Calculation of Surface Enhanced

... longer wavelength. This was examined by measuring the SERS intensity in each of these modes, normalized to the number of nanoshells and molecules, for different core/shell ratios. For singleshell surface plasmons in and out of resonance with the laser frequency, the relative intensity variations for ...
A New Perspective on Chiral Gauge Theories
A New Perspective on Chiral Gauge Theories

Teaching Theoretical Physics: the cases of Enrico Fermi and Ettore
Teaching Theoretical Physics: the cases of Enrico Fermi and Ettore

Probing a Single Isolated Electron: New Measurements
Probing a Single Isolated Electron: New Measurements

... for trapping and detecting a single electron [2]. At the same time, it provides a right, circular microwave cavity that controls the radiation field and density of states for the electron’s cyclotron motion [3]. Quantum jumps between Fock states of the one-electron cyclotron oscillator reveal the qu ...
Chapter 28
Chapter 28

... 37. A neutron has a mass of 1.67  10 27 kg. The deBroglie wavelength is 1.4  10 10 m. How fast in m/s is the neutron going? ( h  6.626  10 34 Js) a. 3.4  10 3 b. 2.8  10 3 c. 3.9  10 3 d. 2.6  10 3 e. 1.7  10 3 ANS: b 38. A neutron has a mass of 1.67  10 27 kg. Its deBroglie wavelength ...
Atomic processes in antihydrogen experiments: a theoretical and computational perspective TOPICAL REVIEW
Atomic processes in antihydrogen experiments: a theoretical and computational perspective TOPICAL REVIEW

... some processes, the magnetic fields enhance the rates while for others the magnetic fields strongly suppress certain processes. The reader will probably note that the majority of the theory and the calculations use classical mechanics to obtain results. Since the positron is light and has low energy ...
The Mean-Field Limit for the Dynamics of Large Particle
The Mean-Field Limit for the Dynamics of Large Particle

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History of quantum field theory

In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field in the late 1920s. Major advances in the theory were made in the 1950s, and led to the introduction of quantum electrodynamics (QED). QED was so successful and ""natural"" that efforts were made to use the same basic concepts for the other forces of nature. These efforts were successful in the application of gauge theory to the strong nuclear force and weak nuclear force, producing the modern standard model of particle physics. Efforts to describe gravity using the same techniques have, to date, failed. The study of quantum field theory is alive and flourishing, as are applications of this method to many physical problems. It remains one of the most vital areas of theoretical physics today, providing a common language to many branches of physics.
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