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Publications 1980 - 1989
www.tcm.phy.cam.ac.uk/~mw141/1980.html13 Dec 2009: Phys. A18 2325-41 (1985) (24) Rod to Coil Transitions in Nematic Polymers M Warner, JMF Gunn and A Baumgärtner, J. ... Phys. A18 3007-3026 (1985) (23) Frequency Dependence of NMR Spin-Lattice Relaxation in Bilayer Membranes JA Marqusee, M Warner and KA -
PHYSICAL REVIEW A 93, 042702 (2016) Pseudopotential for the ...
www.tcm.phy.cam.ac.uk/~gjc29/papers/Whitehead16.pdf24 Aug 2020: 9) of (kR)2/2π , and so describe the scattering correctto O((ka)4). ... Mueller, Phys. Rev. A 78,. 033607 (2008).[24] X. Li, J. Kolorenč, and L. -
PHYSICAL REVIEW A 93, 042702 (2016) Pseudopotential for the ...
www.tcm.phy.cam.ac.uk/~tmw38/Whitehead16a.pdf5 Apr 2016: 9) of (kR)2/2π , and so describe the scattering correctto O((ka)4). ... Mueller, Phys. Rev. A 78,. 033607 (2008).[24] X. Li, J. Kolorenč, and L. -
qcmft
www.tcm.phy.cam.ac.uk/~bds10/tp3/secqu.pdf10 Oct 2012: 24 CHAPTER 2. SECOND QUANTISATION. Our aim is to find an operator V̂ in second quantised form whose action on a many-bodystate gives. ... Ĥ = JN S2 B.Z.Xk! ka†kak O(S0) (2.16). where! k = 2JS(1 cos k) = 4JS sin2(k/2) represents the dispersion -
Chapter 5 Topological Phase Transitions Previously, we have seen ...
www.tcm.phy.cam.ac.uk/~achc2/phase/chap5.pdf25 Jan 2021: The first indication of unusual behaviour in the two-dimensional XY -model (n = 2)appeared in an analysis of the high temperature series expansion by Stanley and Ka-plan (1971). ... βHpair = 2Eq2 4π2q2KC(x), (5.24). where q, q are the charges of the -
Lecture I 1 Lecture I: Collective Excitations: From Particles ...
www.tcm.phy.cam.ac.uk/~bds10/tp3/lectures.pdf10 Nov 2013: ka†k. )] O(N. 1/20 ). cf. quantum AF in spin-wave approximation. ... 2. (akak a. †ka†k. )]As with quantum AF, Ĥ diagonalised by Bogoluibov transformation:(. -
Theoretical Physics II
www.tcm.phy.cam.ac.uk/~rjs269/TP2/TP2y2024.pdf22 Jan 2024: 1.23)The evolution operator is. U(t) =. U1(t) 0 t < t1U2(t t1)U1(t1) t1 t < t2 (1.24)where Ui(t) = eiHi t/h̄ and Hi =. p22m. ... This is Feynman’spath integral. 24. 2.2 The propagator. The path integral is a tool for calculating the propagator -
Absence of diagonal force constants in cubic Coulomb crystals
www.tcm.phy.cam.ac.uk/~gjc29/papers/AndrewsConduit20.pdf23 Dec 2020: Math. Mech. Solids 13, 199–220. (doi:10.1177/. 1081286507086898)3. Grimvall G, Magyari-Köpe B, Ozoliņš V, Persson KA. -
PHYSICAL REVIEW A 90, 033626 (2014) High-fidelity pseudopotentials…
www.tcm.phy.cam.ac.uk/~gjc29/papers/BugnionLopezRiosNeedsConduit14.pdf24 Aug 2020: δcont (k) ={. arctan(ka), = 0,0, > 0,. is the scattering phase shift in the angular momentum channel. ... 2005).[24] D. L. Maslov and A. V. Chubukov, Phys. Rev. B 81, 045110. -
PHYSICAL REVIEW A 96, 023619 (2017) Effective-range dependence of ...
www.tcm.phy.cam.ac.uk/~gjc29/papers/SchonenbergVerpoortConduit17.pdf24 Aug 2020: cot[δ(k)] = 2π. ln(ka) k2R2eff. 4. (1). Here a is the scattering length and Reff the effective range. ... R3Deff < 0 for narrow Feshbachresonances and R3Deff 0 for broad Feshbach resonances so thatin typical experiments exploiting the full gamut of
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