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Superconducting Qubits and the Physics of Josephson Junctions
Superconducting Qubits and the Physics of Josephson Junctions

Pretest 1
Pretest 1

... proton (+1), neutron (neutral) and electron (1) proton (1), neutron (+1) and electron (neutral) proton (+1), neutron (1) and electron (neutral) proton (neutral), neutron (+1) and electron (1) proton (1), neutron (neutral) and electron (+1) ...
Mitigation of Power-Frequency Magnetic Fields
Mitigation of Power-Frequency Magnetic Fields

... we arrived at the conclusion that there are two things one certainly always remembers. One of them is the first time you saw a magnet – I still vividly recall playing with iron fillings on a paper while moving a magnetized screw under it. The other one is of a non-technical nature and is not the sub ...
Spatial entanglement in two-electron atomic systems
Spatial entanglement in two-electron atomic systems

Nonequilibrium dynamical mean-field theory - Physik Uni
Nonequilibrium dynamical mean-field theory - Physik Uni

On topological charge carried by nexuses and center vortices
On topological charge carried by nexuses and center vortices

... Nexuses and center vortices can be defined on the lattice or in the continuum, and we restrict ourselves to the continuum approach. The idea is that infrared instability of QCD (in d=3,4) forces the Schwinger-Dyson equations for the pinch-technique (gauge-invariant) gluon propagator to have only mas ...
When does a physical system compute?
When does a physical system compute?

... some notion of a mathematical computation, what does it mean to say that some physical system is ‘running’ a computation? If we want to use computational notions in physics, then what are the necessary and sufficient conditions under which we can say that a particular physical system is carrying out ...
exact time-dependent density functional and Floquet theory
exact time-dependent density functional and Floquet theory

... TDSE may be attained by reducing the dimensionality of the system under consideration because for atomic systems exposed to laser pulses the quantum dynamics proceeds predominantly along the laser polarization direction. With such a restriction the TDSE can be solved exactly for up to three-electron ...
Linear and non-linear properties of light - EDOC HU
Linear and non-linear properties of light - EDOC HU

Edward Wilson-Ewing, 23rd February 2015 [PDF 1.69MB]
Edward Wilson-Ewing, 23rd February 2015 [PDF 1.69MB]

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Strongly correlated quantum physics with cold atoms - Max

... engineering and the origin of the pair correlation. Second, within our work entanglement acquires an intuitively simple picture related to distributed pairs. Our setup can thus be used as a tool to study the distribution of entanglement, both from the theoretical and the experimental perspectives. I ...
far from the Fermi liquid regime
far from the Fermi liquid regime

... the important role played by the infinite randomness fixed point (IRFP) (4.2.1). The generic mechanism behind magnetic Griffiths phases is described in section 4.2.2, the important effect of dissipation on the dynamics of the Griffiths droplets is considered in section 4.2.3 and further remarks on t ...
Theory of Polarization: A Modern Approach
Theory of Polarization: A Modern Approach

... within each individual anion but vanishes on the cell boundary, while in the latter case the current flows throughout the interior of the crystal. Using the examples of piezoelectricity and of permittivity, we have shown that the induced macroscopic polarization in condensed matter can be defined an ...
Fast Converging Path Integrals for Time
Fast Converging Path Integrals for Time

Resonant Effects in Collisions of Relativistic Electrons in the Field of
Resonant Effects in Collisions of Relativistic Electrons in the Field of

University of Florida - University of Missouri
University of Florida - University of Missouri

... We can define the following contracted two-electron creation and annihilation operators according to the SVD of the approximate amplitude. ...
SOLID STATE PHYSICS PART III Magnetic Properties of Solids
SOLID STATE PHYSICS PART III Magnetic Properties of Solids

... where e = −4.8 × 10−10 esu = −1.6 × 10−19 Coulombs of charge. It is for this reason that a discussion of the magnetic properties of solids requires knowledge of the quantum mechanical properties of the angular momentum. There are various derivations of the result given by Eq. 1.76 which follows from ...
QUANTUM ELECTRONICS IN SEMICONDUCTORS
QUANTUM ELECTRONICS IN SEMICONDUCTORS

Quantum Theory of Chiral Interactions in Cholesteric Liquid Crystals
Quantum Theory of Chiral Interactions in Cholesteric Liquid Crystals

... The effective chiral interaction between molecules arising from long-range quantum interactions between fluctuating charge moments is analyzed in terms of a simple model of chiral molecules. This model is based on the approximations that ~a! the dominant excited states of a molecule form a band whos ...
Why Physicists are still Important.
Why Physicists are still Important.

Microsoft Word - DORAS
Microsoft Word - DORAS

... results in a trade off between the speed, sensitivity and the dynamic range of the device. First, as a Fabry-Pérot cavity response depends on the wavelength, the pulse spectral broadening  should be narrower than the spectral cavity resonance. The lower limit for a transform-limited pulse duration ...
80, 032307 (2009)
80, 032307 (2009)

... trap. The qubit is defined by two hyperfine states of the atom. This system is an excellent candidate for quantum computation because it is well isolated from the environment and is also easy to be exploited for storing and processing quantum information. In this system, there are two important type ...
- Philsci-Archive
- Philsci-Archive

... A useful starting point is to try to think of philosophy of quantum probability as a subfield of philosophy of probability. Within this field Lyon (2010) distinguishes two central questions. The first concerns the interpretation of probability and the second the formalism of probability. The interpr ...
Functorial Field Theories and Factorization Algebras
Functorial Field Theories and Factorization Algebras

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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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