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Isolated-core excitations in strong electric fields. I. Theory F. Robicheaux
Isolated-core excitations in strong electric fields. I. Theory F. Robicheaux

... Rydberg states 关9,10兴. Early measurements 关11兴 and calculations 关12兴 showed the effect of electric fields on a Rydberg series. However, it has not yet been possible to perform detailed comparisons between experimental and calculated recombination cross sections for individual resonances in a static ...
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arXiv:gr-qc/9901024 v1 8 Jan 1999 - Philsci

... three good reasons for choosing them here: reasons relating to the present state of the philosophical literature on quantum gravity, and to this volume. First: the emergence of time is related to the so-called ‘problem of time’, which has already been discussed by philosophers (for example, [1]); an ...
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Entropy and temperature of a quantum Carnot engine
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... Hamiltonian) would decrease with V −2 . However, during this expansion, we simultaneously pump energy into the system in order to compensate this decrease in the energy. Thus, the well, which can be viewed as a one-dimensional piston, expands in such a way that the expectation value of the Hamiltoni ...
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Quantum Field Theory and Coalgebraic Logic in Theoretical

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Quantity of Matter or Intrinsic Property: Why Mass

Lecture 12 – Asymptotic freedom and the electrodynamics of quarks
Lecture 12 – Asymptotic freedom and the electrodynamics of quarks

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Scalar field theory

In theoretical physics, scalar field theory can refer to a classical or quantum theory of scalar fields. A scalar field is invariant under any Lorentz transformation.The only fundamental scalar quantum field that has been observed in nature is the Higgs field. However, scalar quantum fields feature in the effective field theory descriptions of many physical phenomena. An example is the pion, which is actually a pseudoscalar.Since they do not involve polarization complications, scalar fields are often the easiest to appreciate second quantization through. For this reason, scalar field theories are often used for purposes of introduction of novel concepts and techniques.The signature of the metric employed below is (+, −, −, −).
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