query: Wave Packets, Group velocity, and Phase velocity
positive_passages.docid: 142753
positive_passages.text: Group Velocity and Phase Velocity of Matter Wave?
negative_passages.docid: 8483
negative_passages.text: A Particular Two-Variable System in a Group
negative_passages.docid: 154670
negative_passages.text: What boundary conditions in a wave simulation would avoid reflections?
negative_passages.docid: 155316
negative_passages.text: Are two waves out of phase only when the phase difference is $\pi$?
negative_passages.docid: 120405
negative_passages.text: dimensional analysis of the Shannon-Hartley theorem
negative_passages.docid: 100944
negative_passages.text: The relationship between the energy and amplitude of a wave? Derivation?
negative_passages.docid: 31821
negative_passages.text: Probability and probability amplitude
negative_passages.docid: 101786
negative_passages.text: Proving the Lorentz invariance of the Lorentz invariant phase space element
negative_passages.docid: 26638
negative_passages.text: Why do travelling waves continue after amplitude sum = 0?
negative_passages.docid: 25282
negative_passages.text: Phase shift of 180 degrees of transversal wave on reflection from denser medium
negative_passages.docid: 114836
negative_passages.text: Electric and Magnetic field's phase difference shift in linearly polarized electromagnetic waves
negative_passages.docid: 26439
negative_passages.text: The problem of instant velocity
negative_passages.docid: 104171
negative_passages.text: Geometric derivation of wave equation
negative_passages.docid: 121311
negative_passages.text: Simple Harmonic Motion - What are the units for $\omega_0$?
negative_passages.docid: 65463
negative_passages.text: Explanation: Simple Harmonic Motion
negative_passages.docid: 73660
negative_passages.text: Relativistic Doppler effect derivation
negative_passages.docid: 129314
negative_passages.text: The ubiquitous Planewave Ansatz