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7. Some Modern Applications of Quantum Mechanics
7. Some Modern Applications of Quantum Mechanics

... to unlock the cryptogram without the key. The whole exercise is to safeguard the crucial secrecy of the original information of the message from any intrusion, technically called eavesdropping. Confidentiality was the traditional application of cryptogram. But, it has wider objectives now such as di ...
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Document



... Since the discrete energy levels are very close to each other, we do not consider the occupation of the individual levels but the occupation of the total number of energy values between ei and ei + dei. The number of energy levels between ei and e i + de i: Ai. These are occupied by Ni species. For ...
Notes on the “Advanced Tools and Concepts” section of the full day
Notes on the “Advanced Tools and Concepts” section of the full day

... example was useful for setting the scene and explaining what density matrices are, but it is obviously unrealistic. What is true however, is that I see the usefulness of density matrices primarily in the area of modelling individual differences [24]. I mean this less in the sense of explaining the b ...
Diapositiva 1 - people@roma2
Diapositiva 1 - people@roma2

... to find it where the DOS is small and a small charge can move EF). The conduction takes place through the M hedge states that have very small resistance. ...
Synthesis and Size Dependent Properties of CdSe Quantum Dots
Synthesis and Size Dependent Properties of CdSe Quantum Dots

Dense Coding - School of Computing Science
Dense Coding - School of Computing Science

... systems which combine quantum and classical computation and communication. CQP is based on a combination of the pi calculus and Selinger’s language QPL. Details of the semantics have also been influenced by Jorrand & Lalire’s QPAlg. CQP has a static type system which controls the use of quantum stat ...
“Elegant Universe” Part One “Einstein`s Dream”
“Elegant Universe” Part One “Einstein`s Dream”

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Probability distributions in classical and quantum
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ν =4/7 - Osaka University
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Canonical Ensemble
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... didn’t affect the state of 2, EPR reason that it must be that 2 already had a definite spin state—even when it was in the singlet state, which doesn’t have a definite spin state. Hence we have EPR’s dilemma: either quantum mechanics is non-local or it is incomplete. Later, Bell derived in 1964 an in ...
Chapter 37 - Semiclassical quantization
Chapter 37 - Semiclassical quantization

Quantum Effects in White Dwarfs - The Dartmouth Undergraduate
Quantum Effects in White Dwarfs - The Dartmouth Undergraduate

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Variance reduction in computations of neoclassical transport in
Variance reduction in computations of neoclassical transport in

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Physics Today
Physics Today

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Bose-Einstein condensates
Bose-Einstein condensates

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National Science Week Event with Girlguiding Worcestershire
National Science Week Event with Girlguiding Worcestershire

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Nilpotence - Nature`s Code Foundation
Nilpotence - Nature`s Code Foundation

Can Quantum-Mechanical Description of Physical Reality be
Can Quantum-Mechanical Description of Physical Reality be

... the first diaphragm is not rigidly connected with the other parts of the apparatus, it would at least in principle* be possible to measure its momentum with any desired accuracy before and after the passage of the particle, and thus to predict the momentum of the latter after it has passed through t ...
M06/11
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... Simply stated, a quantum computer is a series of quantum gates, represented by unitary operators U1 , . . . , Un on a Hilbert space, that can be used to perform a computation [1, 3, 6, 9]. An initial state ψ0 is input into the quantum computer and then evolves into the output state ψ = Un · · · U1 ...
Quantum discord and remote state preparation
Quantum discord and remote state preparation

QFT in curved space-time
QFT in curved space-time

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Canonical quantization

In physics, canonical quantization is a procedure for quantizing a classical theory, while attempting to preserve the formal structure, such as symmetries, of the classical theory, to the greatest extent possible.Historically, this was not quite Werner Heisenberg's route to obtaining quantum mechanics, but Paul Dirac introduced it in his 1926 doctoral thesis, the ""method of classical analogy"" for quantization, and detailed it in his classic text. The word canonical arises from the Hamiltonian approach to classical mechanics, in which a system's dynamics is generated via canonical Poisson brackets, a structure which is only partially preserved in canonical quantization.This method was further used in the context of quantum field theory by Paul Dirac, in his construction of quantum electrodynamics. In the field theory context, it is also called second quantization, in contrast to the semi-classical first quantization for single particles.
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