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Relativistic Effects in Atomic Spectra
Relativistic Effects in Atomic Spectra

... solvable generally. In electrodynamics, also the two-body case has become unsolvable. When quantum mechanics was emerging, new phenomena and paradoxes have occurred and one-particle systems needed to be discussed anew. Today, in quantum field theory or string theory representing modern physics, we a ...
Phenomenology Beyond the Standard Model
Phenomenology Beyond the Standard Model

... • Broken by Higgs mass term –μ2, anomalies – Cannot remove μ2 (Coleman-Weinberg) – Anomalies give couplings to γγ, gg ...
On Exotic Orders in Stongly Correlated Systems
On Exotic Orders in Stongly Correlated Systems

... extremely robust and prevalent in nature, those which lie at the frontier of our understanding are often the result of subtle competition between interactions, and hence can be delicate and difficult to identify. This competition can lead to intricate phase diagrams, as varying parameters favors dif ...
Physics - Collegiate Quiz Bowl Packet
Physics - Collegiate Quiz Bowl Packet

... deformation of moons, but his most famous work was mailed to Einstein from the Eastern Front during WWI, where he died before realizing fame from finding the first solution to Einstein’s field equations. The spatial metric for a spherical mass distribution, as well as the singularity point in that s ...
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Q QUANTUM COHERENCE PROGRESS
Q QUANTUM COHERENCE PROGRESS

... the appropriate degrees of freedom that might be entangled. The subsystems are technically known as modes, and the possibly entangled degrees of freedom are called observables. Most formally, entanglement is the degree of correlation between observables pertaining to different modes that exceeds any ...
Chapter 1 - BYU Physics and Astronomy
Chapter 1 - BYU Physics and Astronomy

... nonlocal model that behaves quantum mechanically, i.e. that violates Bell’s theorem? Can we even find a model that is realizable (buildable)? We will describe such a toy model, the Q Box. The Q Box is classically deterministic, yet reminiscent of Mermin’s “gedanken gadget.” [1] This model is physica ...
School of Physics & Astronomy
School of Physics & Astronomy

... scattering processes are introduced to describe exchanges of energy and momentum, which link up in various contexts to control the state and motion of the matter, to regulate the flow of light through the matter, and to impress fingerprints on the emergent spectrum. The theory is developed in suffic ...
The Bit and the Pendulum (From Quantum Computing to M Theory)
The Bit and the Pendulum (From Quantum Computing to M Theory)

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Kuhn Losses Regained: Van Vleck from Spectra to
Kuhn Losses Regained: Van Vleck from Spectra to

Berry Curvature as a Multi-Band Effect in Boltzmann Equations
Berry Curvature as a Multi-Band Effect in Boltzmann Equations

... of semi-conductors by Haug and Jauho [27]. Since we are mainly interested in the electric properties at half filling, we can avoid some of the difficulties by projecting on to the bands, however this an approach need to be carry out carefully so one still active a systematic development of the resul ...
Dealing with ignorance: universal discrimination, learning and quantum correlations Gael Sentís Herrera
Dealing with ignorance: universal discrimination, learning and quantum correlations Gael Sentís Herrera

... further, this is the technique that the statisticians used to come up with the number 246. It is, though, a particular way of handling available information and uncertainty, and certainly not the only possible approach. There is an alternative solution to this problem that, involving different assum ...
Superconducting Qubits: A Short Review
Superconducting Qubits: A Short Review

Characterizing Quantum Supremacy in Near
Characterizing Quantum Supremacy in Near

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Compatibility of Quark and Resonant Picture Excited Baryon

Manifestations of phase-coherent transport in
Manifestations of phase-coherent transport in

... Dirac point. The presence of aperiodic conductance fluctuations is apparent. The characteristic correlation field is approximately 5–10 mT, that compares well to the expected value of h/eS (where S is the area of the device). At this temperature (T = 1.3 K), the root mean square amplitude of these fluc ...
Basic Notions of Quantum Network Science
Basic Notions of Quantum Network Science

Compendium of Theoretical Physics
Compendium of Theoretical Physics

... understanding of mechanics and other theoretical concepts. For example, the Lagrange formalism is better suited to seeing the relationship between symmetries and conservation laws. Accordingly, the first three sections of this chapter deal with these three approaches and their connections in equitabl ...
Here - 21st International Conference on General Relativity and
Here - 21st International Conference on General Relativity and

Superconducting Qubit Storage and Entanglement with Nanomechanical Resonators A. N. Cleland
Superconducting Qubit Storage and Entanglement with Nanomechanical Resonators A. N. Cleland

...  0 . The JJ is held in resonance for 35.1 ns, half a Rabi period, and then detuned. st has a trapezoidal shape with a crossover time of 0.5 ns. In Fig. 4(a) the storage operation is successful, and the magnitudes of the final probability amplitudes, recorded in Table I, are extremely close to the ...
Ordered Spin States and Quantum Coherence in Low
Ordered Spin States and Quantum Coherence in Low

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... • Strong evidence for existence of astrophysical Black holes • Want a unified theory of laws of Nature • Requires a theory of quantum gravity (QG) • String theory: leading candidate • Major test of any QG theory: ...
A new extended model of the electron
A new extended model of the electron

... levels in hydrogen atom , it could not reveal the splitting between two small energy levels of the hydrogen atom , called Lamb shift ( 1947). Lamb pointed out in his Nobel lecture (1955 ) that “ the electron does not behave like a point charge as implied in Dirac’s equation ” . Now, since all the mo ...
Superconducting Qubits: A Short Review
Superconducting Qubits: A Short Review

... formidable scientific and technological challenge. While quantum bits must be strongly inter-coupled by gates to perform quantum computation, they must at the same time be completely decoupled from external influences, except during the write, control and readout phases when information must flow fr ...
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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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