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6 Nov 2019: 4.24). 36. Hence. either A = 0 , sin(ka) = 0 ,. ψ(x) = B sin(kx) , k =nπ. 2afor n 2 even.

12 Nov 2019: FI =km. (5.24). FR =km. |R|2 = km. (k lk l.

1 Dec 2019: ψ, ABψ)|2 = 14(|(ψ, {A, B}ψ)|2 |(ψ, [A, B]ψ)|2). (6.26). Combining (6.24) and (6.26), we have that. ( ... Hence. (x̂ x̂ψ)ψ = ia(p̂ p̂ψ)ψ ,. which means we have equality in the Schwarz’s inequality (6.24) used to derive(6.28).

20 Nov 2019: 2M(d2ψ. dr2+. 2. r. dψ. dr) e. 2. 4π0rψ(r) = Eψ(r) , (7.24). ... polynomials.24. The corresponding wavefunctions are ψ(r) = CL1N1(2br) exp(br), where theconstant C is determined by normalisation.

7 Oct 2019: 1923-24: de Broglie proposes wave-particle duality for matter, as for radiation. •

30 Oct 2019: those satisfying Eqn. (3.11). 24. 3.3 The 1D Schrödinger equation for a particle in a potential.

4 Sep 2019: Part IIC (January 2019 version) Lent term 2019. QUANTUM INFORMATION. AND COMPUTATION. Lecture notesRichard Jozsa, DAMTP Cambridge. rj310@cam.ac.uk. CONTENTS1 Introduction: why quantum computation and information? 32 Principles of quantum mechanics