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Classification of Topologically ordered Phases
Classification of Topologically ordered Phases

... Selection rule forces the nonlocal order to vanish if edge spins are fractionalized ...
Chapter 3 Approximation Methods in QM
Chapter 3 Approximation Methods in QM

... As we know, the eigenstates of Ĥ0 can be represented by the product of orbital wavefunctions and spin wavefunctions, or |nlmi |sms i = |nlml sms i. Within the first-order degenerate PT, we need to use these |nlml sms i to diagonalize the perturbation operator V̂LS and to obtain the zero-order wavef ...
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... Blood. All of these descriptions are of wave-like experiences of interconnection between different parts of our Ki and the Ki of others. So what might actually be happening when we work a meridian? We could retreat into the classical Chinese model (Mulvagh, 2005) and restrict ourselves to TCM concep ...
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The Hydrogen Atom: a Review on the Birth of Modern Quantum
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... that a product of operators annihilates some particular state. In particular, although regularization is required to define the action of the operators on the states, renormalization is not required. Instead, we show that, in the limit that the regulator is removed, the operator annihilates the stat ...
least action principle and quantum mechanics i. introduction
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...  According to its definition, function H must be the total energy of the mechanical system gained in the duration of time from t0 to t1. Should we understand this as cause or consequence? Is it action or effect?  What if the action doesn’t reach the least action ...
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optical transitions and excitonic coupling in a covalently linked
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... Schrödinger-like equation, |ξ|2 is proportional to a transverse field intensity or equivalently to the photon density. - the GPE is relative to a temporal evolution of the wave function whereas the Schrödinger equation describes a spatial evolution. On one hand, we have the description of the transv ...
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... and [a, b], but not the region [−b, b]. In quantum mechanics instead, the wave function extends in the classically forbidden region as well, so there is a certain probability to find the particle in this region. This phenomenon is peculiar of quantum mechanics, and gives rise to cute effects like th ...
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... 4 Can the -function be Interpreted to Specify the Physical State of the Propensiton in Physical Space? Objection (1): The -function is complex, and hence cannot be employed to describe the physical state of an actual physical system. Reply: The complex  is equivalent to two interlinked real funct ...
Supplemental Materials
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... 2. Effects of G We set Γ = 0.05eV in our calculation in the main text. The value of Γ affects the magnitude of the second order optical conductivity significantly. In Fig. 1S. we show σ as a function of Γ and the incident laser frequency ω. The incident laser is polarized along the x direction and ...
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...  Think of orbitals as sort of a "border” for spaces around the nucleus inside which electrons are allowed.  No more than 2 electrons can ever be in 1 orbital. The orbital just defines an “area” where you can find an electron. ...
Uncertainty Principle Tutorial part II
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... If two operators are incompatible, measuring an observable corresponding to one operator will affect the probability of measuring the observable corresponding to the other operator. We can find a complete set of simultaneous eigenstates for compatible operators. We cannot find a complete set of simu ...
please scroll down for article
please scroll down for article

... gravitational potential, E the energy eigenvalue and G the gravitational constant. Because the total energy operator is the generator for time translations, we should in principle also be able to use these equations to describe the dynamical reduction of a quantum superposition. Here we investigate ...
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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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