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4 Jan 2024: ELECTROMAGNETISM Examples 2 Lent 2024. 1. A uniform magnetic field points along the z-axis: B = B ez. ... A uniform vertical magnetic field B = B(t) ez is applied for time t > 0.

10 Oct 2023: a) Write the group multiplication table for D4. (b) What are the subgroups of D4? ... t(A B) t2. 2[A, B]. t3. 12{[A, [A, B]] [B, [B, A]]}. ).

4 Oct 2023: and interpret this result. Evaluate [X(t),P(t)]. 4. A Fermi oscillator has Hilbert space H = C2 and Hamiltonian H = B†B, where B2 = 0 and. ... B†B BB† = 1 (the anti commutator). Find the eigenvalues of H.

9 Jan 2024: f(x) = constant. Show that B ( B) = 0. The tangent vector at each point on a curve is parallel to a non-vanishing vector. ... Evaluate the divergence and curl of the following:. rx, a(x b), a x, x/r3,.

10 Oct 2023: How do your equations behave when the points a, b or c are interchanged? ... a b, b c, c a ] = [a, b, c]2.

1 Nov 2023: det M = (a b)(b c)(c a)(ab bc ca). [Recall: the value of a determinant is unchanged if a multiple of one row is added to another row.]. ... a0tn ). Hint: Use properties of the determinant such as det(A) det(B) = det(AB).

24 Nov 2023: Sheet 1, 4c):. (aI b σ)(a′I b′ σ) = (aa′ b b′)I (ab′ a′b ib b′) σ. ... b) Show that(. 1 1. 2σ δv. ). B(ψ,n) = B(ψ′,n′)R,.

18 Jan 2024: from which we found the scattering data for the potential 2m2sech2mx was R(k) = 0and λ1 = κ21 = m2 and c1 =. 2m. Now by considering B = x 2mtanhmx and. B† = x 2mtanhmx , ... and computing BB† and B†B, find the scattering data forthe potential

12 Nov 2023: a tan1 y. a). H14. (b) J = 1b(1 eax cos bx) a. ... J1. P({B,B}) = 29, P({B,G}) = 4. 9, P({B,Y}) = 1.

9 Oct 2023: b) p = (1λ)a 12λb 1. 2λc. (c) q = (1µ)b 12µc 1. ... B6. (a) n̂ = b/|b|. (b) (ca) n̂. (c) c (c n̂)n̂.

26 Jan 2024: b) Show that Tr (XaZb) = 0 for all (a,b) Zd Zd except (a,b) = (0,0). ... a|2 |b|2 = 1 and denotes complex conjugation.Alice and Bob are distantly separated in space.

3 Oct 2023: Scalar product properties:. 1. The scalar product is commutative,. a b = b a , (24). ... a b = b a , (38). which simply follows from the fact that the direction of the cross product.

3 Oct 2023: Show thatboth equations found in parts (a) and (b) give the same answer. ... Add to this diagram the non-orthogonalbasis set represented by a and b.

19 Nov 2023: CUP. B. Schumacher and M. Westmoreland, “Quantum processes, systems and information”.CUP 2010. ... Ket vectors |v〉 = a |0〉 b |1〉 are always written in components ascolumn vectors.

18 Dec 2023: k1 andthat for some r (α1, 2k1) we have B(b, U, r). ... Moreover, Γ2 either fails on the whole of B(b, U, α1) or on another open set θ B(b, U, r).

20 Nov 2023: B := bounded operators N := bounded normal operators,. SA := bounded self-adjoint operators C := compact operators,. ... i) Spectrum:. G3 63 {Ξsp, B} ΠA3 (all oper.), G2 63 {Ξsp, N} ΣA2 (normal),.

24 Nov 2023: a b = b a , (38). which simply follows from the fact that the direction of the cross product. ... a b c = b c a = c a b= a c b = b a c = c b a.