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Publications 1980 - 1989
www.tcm.phy.cam.ac.uk/~mw141/1980.html13 Dec 2009: Phys. A20 713-731 (1987) doi: 10.1088/0305-4470/20/3/033 (26) Theory of Nematic Back-bone Polymer Phases and Conformations Wang X-J and M Warner, J. ... Rev. B32 6347 (1985) (20) The Effect of High Momentum Transfer on Scattering from Oscillators and -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec20-21.pdf27 Nov 2009: K 2 = k2 U0. With kR ' 1, K % U1/20 (1 O(k2/U0)), find scattering length,. ... σtot %4π. k2sin2 δ0(k) % 4πR2. (tan(KR). KR 1. )2, K % U1/20. -
Biological Utilisation of Quantum NonLocality
www.tcm.phy.cam.ac.uk/~bdj10/papers/bell.html3 Nov 2009: Such organisation has been discussed by C.N. Villars(20), who starts with the assumption that in a number of types of situation encountered in a quantum mechanical context, including ... While the non-local correlations found in EPR-type systems seem at -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/exam_mat.pdf27 Nov 2009: non-examinable in this course. Synopsis: Lectures 20-24. 15 Scattering theory†Elastic and inelastic scattering; †method of particle waves; †Bornseries expansion; Born approximation from Fermi’s Golden rule;†scattering of -
Contents 1 Wave mechanics and the Schrödinger equation 11.1 ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/synopsis.pdf27 Nov 2009: 17. 3 Operator methods in quantum mechanics 193.1 Operators. 20. 3.1.1 Time-evolution operator. -
More Is Different P. W. Anderson Science, New Series, ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/anderson72more_is_different.pdf17 Nov 2009: Formore information regarding JSTOR, please contact support@jstor.org. http://www.jstor.orgTue Dec 26 20:42:05 2006. -
nmr_grenoble.dvi
www.tcm.phy.cam.ac.uk/~nrc25/SEMINARS/nmr_grenoble.pdf22 Jan 2009: Group, Cavendish Laboratory,. University of Cambridge. Séminaire “Nanoélectronique Quantique”Grenoble, 20 Jan 2009. -
Advanced Quantum Physics Lecture Handout i Preface Quantum mechanics…
www.tcm.phy.cam.ac.uk/~bds10/aqp/handout_preface.pdf8 Oct 2009: 20-21 Scattering theory I: Basics; elastic and inelastic scattering; methodof particle waves; Born approximation; scattering of identical particles. -
oup.dvi
www.tcm.phy.cam.ac.uk/~mw141/bev.pdf5 Jan 2009: 0.06. 0.09. 0. 20. 40. 60. 80. 100. 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7ll. ... 8 A BIRD’S EYE VIEW OF LIQUID CRYSTAL ELASTOMERS. 0. 20. -
16.3. PROBLEM SET III 211 Answers: Problem set III ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/ans3.pdf22 Nov 2009: σz =(. 0 11 0. ), σ+ =. (0 20 0. ), -
collection_45.ps.CFs1-1
www.tcm.phy.cam.ac.uk/~nrc25/SEMINARS/rotating_lattice_amsterdam.pdf22 Jul 2009: 1/7 3/7 2 2 7 0.437 911/7 3/7 3 3 7 0.745 13301/7 3/7 4 4 7 0 [0.2753] 20.5k1/7 -
Correlated Phases of Atomic Bose Gases on a Rotating ...
www.tcm.phy.cam.ac.uk/~gm360/talks/rotating_lattice_Boulder.pdf11 Jun 2009: 2 Hilbert spc dim. 1/7 2 6 2 7 0.437 911/7 3 9 3 7 0.745 13301/7 4 12 4 7 0 [0.275] ... 841 29251/9 4 16 4 9 0 [0.152] 58.9k1/9 4 16 6 6 0.306 58.9k1/9 5 20 5 9 0.459 1.2M. • -
16.1. PROBLEM SET I 197 Answers: Problem set I ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/ans1.pdf14 Oct 2009: The time is given byt = L/v = L. m/2E, where L = 20 mm and m and E are the mass and energy. -
Lecture 19 Radiative transitions Radiative transitions: background…
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec19.pdf22 Nov 2009: Synopsis: Lectures 20-24. 15 Scattering theory. Elastic scattering; cross section; method of particle waves; Bornapproximation; scattering of identical particles. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec1_compressed.pdf21 Oct 2009: Synopsis: Lectures 20-24. 15 Scattering theory. Elastic and inelastic scattering; method of particle waves; Bornapproximation; scattering of identical particles. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec2_compressed.pdf21 Oct 2009: 2 , leading to bound state energy E = ma2V 20. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec2.pdf12 Oct 2009: 2 , leading to bound state energy E = ma2V 20. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec1.pdf8 Oct 2009: Synopsis: Lectures 20-24. 15 Scattering theory. Elastic and inelastic scattering; method of particle waves; Bornapproximation; scattering of identical particles. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec3_compressed.pdf21 Oct 2009: mωsin(ωt). Consider dynamics of a (real) wavepacket defined by φ(x) at t = 0.Suppose we know expectation values, p20 = 〈φ|p̂2|φ〉, x 20 = 〈φ|x 2|φ〉,and ... φ|p̂2(t)|φ〉 = p20 cos2(ωt) (mωx0)2 sin2(ωt). and similarly 〈φ|x̂ -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec3.pdf14 Oct 2009: φ|p̂2(t)|φ〉 = p20 cos2(ωt) (mωx0)2 sin2(ωt). and similarly 〈φ|x̂ 2(t)|φ〉 = x 20 cos2(ωt) p20. ... φ〉, x 20 = 〈φ|x 2|φ〉,and we want to determine 〈φ(t)|p̂2|φ(t)〉.In Heisenberg representation, 〈φ(t)|p̂2|φ(t)〉 = -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec20-21_compressed.pdf27 Nov 2009: K 2 = k2 U0. With kR ' 1, K % U1/20 (1 O(k2/U0)), find scattering length,. ... σtot %4π. k2sin2 δ0(k) % 4πR2. (tan(KR). KR 1. )2, K % U1/20. -
Chapter 2 Quantum mechanics in onedimension Following the rules ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/handout_1d.pdf8 Oct 2009: E = ma2V 20. 2!2. Indeed, the solution is unique. An attractive δ-function potential hosts onlyone bound state. ' -
Lecture 19 Radiative transitions Radiative transitions: background…
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec19_compressed.pdf22 Nov 2009: Synopsis: Lectures 20-24. 15 Scattering theory. Elastic scattering; cross section; method of particle waves; Bornapproximation; scattering of identical particles. -
Chapter 14 Scattering theory Almost everything we know about ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/handout_scattering.pdf18 Nov 2009: 20 (mass m and asymptotic speed v0), incident upon a. target with a central potential V (r). ... k cot δ0 = 1a0. 12r0k. 2 ,. where a0 = (1 tan γγ )R, with γ = U1/20 R, defines the scattering length, and r0 is. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec8-10_compressed.pdf9 Nov 2009: 2mω2x 20 , i.e. x0 =. 2E. mω2. Over periodic cycle, the classical action is given by. ... 2. p(x)exp. ( E!ω. [xx0. x 2. x 20 1 arccosh. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec22-24_compressed.pdf27 Nov 2009: non-examinable in this course. Synopsis: Lectures 20-24. 15 Scattering theory†Elastic and inelastic scattering; †method of particle waves; †Bornseries expansion; Born approximation from Fermi’s Golden rule;†scattering of -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec12-14_compressed.pdf9 Nov 2009: Degeneracy 2 2 6 2 6 2 10 6 2 10 Cumulative 2 4 10 12 18 20 30 36 38 48. ... Central field approximation: conclusions. Subshell name 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d Cumulative 2 4 10 12 18 20 30 36 38 48. -
Chapter 3 Operator methods inquantum mechanics While the wave ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/handout_operator.pdf8 Oct 2009: 3.1. OPERATORS 20. 3.1 Operators. An operator  is a “mathematical object” that maps one state vector, |ψ〉,into another, |φ〉, i.e. -
Chapter 7 Approximation methods forstationary states 7.1…
www.tcm.phy.cam.ac.uk/~bds10/aqp/handout_approx.pdf8 Oct 2009: a 20% admixture of the first excited state. Then the wavefunction isoff by ca. ... 20%, but the energy estimate will be too high by only 0.04(E1E0),usually a much smaller error! -
Synopsis: Lectures 5-10 5 Charged particle in an electromagnetic ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec8-10.pdf28 Oct 2009: e.g. if optimum state includes ca. 20% admixtue of first excitedstate |αmin〉 = 110.22 (|0〉 0.2|1〉), energy estimate will be toohigh by only,. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec22-24.pdf27 Nov 2009: Lecture 22Relativistic Quantum Mechanics. Background. Why study relativistic quantum mechanics? 1 Many experimental phenomena cannot be understood within purelynon-relativistic domain. e.g. quantum mechanical spin, emergence of new -
Chapter 9 Atomic structure Previously, we have seen that ...
www.tcm.phy.cam.ac.uk/~bds10/aqp/handout_atomic.pdf9 Nov 2009: Degeneracy 2 2 6 2 6 2 10 6 2 10 Cumulative 2 4 10 12 18 20 30 36 38 48. -
lectures
www.tcm.phy.cam.ac.uk/~bds10/aqp/lec12-14.pdf2 Nov 2009: Degeneracy 2 2 6 2 6 2 10 6 2 10 Cumulative 2 4 10 12 18 20 30 36 38 48. ... Cumulative 2 4 10 12 18 20 30 36 38 48.
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