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21 Oct 2009: This is a new text which includessome entertaining new topics within an old field.

8 Oct 2009: This is a new text which includessome entertaining new topics within an old field.

11 Jun 2009: Are there new strongly correlated phases on the lattice for n nv 1? ... Gaps for non-interacting CFs [GM & N. R. Cooper, arXiv:0904.3097]. Do these new phasesdescribe the exact groundstates?

9 Nov 2009: several new features arise. In Born-Oppenheimer approximation, fortwo electrons r1,2 and two protons, Ra,b, Ĥ = Ĥ0 Ĥ1 where.

21 Oct 2009: ω. Quantum harmonic oscillator. In new representation, known as the Fock space representation,vacuum |0〉 has no particles, |1〉 a single particle, |2〉 has two, etc.

8 Oct 2009: Wolfgang Pauli and Niels Bohrdemonstrating ‘tippe top’ toy atthe inauguration of the new In-stitute of Physics at Lund, Swe-den 1954. ... Moreover,the algorithmic programme by which they are deduced offer some new con-ceptual insights.

20 Jan 2009: Find the new Lagrangian and constants of themotion. [7]. (e) If the bead is released with the same initial conditions as before, i.e.r = 1/a, ṙ = v, φ̇ = ω, ... pj =L. q̇j. A canonical transformation is a transformation of the generalized

8 Oct 2009: V (x) = aV0. n=δ(x na). Since the potential is repulsive, it is evident that all states have energy E > 0.This potential has a new symmetry; a translation by

9 Nov 2009: several new features arise. In Born-Oppenheimer approximation, fortwo electrons r1,2 and two protons, Ra,b, Ĥ = Ĥ0 Ĥ1 where.

8 Oct 2009: Nowehere was confidenceexpressed more clearly than in the famous quote made at the time by LordKelvin: There is nothing new to be discovered in physics now. ... Arnold Johannes Wilhelm Som-merfeld 1868-1951A German the-oretical physicistwho