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quantum computing
quantum computing

... • Operate on these bits using a series of binary logic gates. • Components have been decreasing in size. • Classical designs are reaching the theoretical limit of miniaturization.(only a few atoms) • On the atomic scale matter obeys the rules of quantum not classical physics. • Quantum technology co ...
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Perspective Using classical mechanics in a quantum framework
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Employing of quantum chemical methods for calculations of
Employing of quantum chemical methods for calculations of

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Quantum resonance scheme to determine the gravitational constant G

... no propagating electrostatic field. What is the quantum mechanics of propagating electrostatic field in QED? We choose hydrogen atoms as our model to practice such a quantum field theory. Hydrogen atom is the simplest atom in all of existence, and is usually in the lowest energy. In the ground state ...
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4.4 The Hamiltonian and its symmetry operations

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Teaching the Atomic Theory: A Visual

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Quantum theory

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Ward identity and Thermo-electric conductivities

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Physics 120 Homework Set #1 (due Sunday

Ion Trap Quantum Technology for Quantum Computing
Ion Trap Quantum Technology for Quantum Computing

... traps were entirely designed, fabricated in-house, and characterized by Ph.D. students. (a) This chip trap was the first surface trap fabricated outside the U.S.; the inset shows a string of three calcium ions held in the trap  each ion is used to store one qubit. (b) The first ion trap in the worl ...
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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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