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Controlling Confined Collective Organization with Taxis
www.damtp.cam.ac.uk/user/lauga/papers/224.pdf21 Mar 2024: While global vortical flows are a. staple of collective motion in circular or spherical confine-ment without director fields [17–19], in particular, forbacteria [20–24], the vortex rotation direction is ... Inset: sketch of the torquegeneration -
The Architecture of Sponge Choanocyte Chambers MaximizesMechanical…
www.damtp.cam.ac.uk/user/gold/pdfs/sponges.pdf22 Feb 2024: η =Q̄P̄maxW̄. , (20). where overbars indicate time-averaged quantities.In Fig. 6, ensemble averaged Q̄, W̄ , P̄max, and η are. ... 147, 443 (1974). [20] S. Vogel, Current-induced flow through living sponges innature, Proc. -
Computational Projects Lecture 3: Numbers and numerical errors…
www.damtp.cam.ac.uk/user/rlj22/catam/L3-errors.pdf30 Apr 2024: Bits. On 64-bit architectures, we are basically ok for integers of up to 20 digits (in decimal notation). -
Stochastic Voronoi Tessellations as Models forCellular Neighborhoods…
www.damtp.cam.ac.uk/user/gold/pdfs/Srinivasan_etal110324.pdf11 Mar 2024: 0. 20. 40. 60. 80. 100. 120. 140k. (f). β = 1, r = rβ. ... King, Multicellulardevelopment in a choanoflagellate, Curr. Biol. 20, R875–R876 (2010). [3] A. -
CV: Matthew J. ColbrookEMAIL: m.colbrook@damtp.cam.ac.ukWEBSITE:…
www.damtp.cam.ac.uk/user/mjc249/pdfs/CV_MColbrook2024.pdf11 May 2024: 20. M.J. Colbrook, Z.I. Botev, K. Kuritz, S. MacNamara, Kernel density estimation with linked boundary conditions,Studies in Applied Mathematics, 2020. -
Multiflagellarity leads to the size-independent swimming speed of…
www.damtp.cam.ac.uk/user/lauga/papers/220.pdf2 Jan 2024: Alongside body size, the number and the morphology ofbacterial flagella also profoundly influence the swimming speed ofbacteria (20). ... 10. 20. 30. 40. 50. V (µ. m/s. ). L (µm)W L. -
topicsinqm
www.damtp.cam.ac.uk/user/tong/aqm/topics3.pdf2 Jul 2024: B =2µ03. mN3(0). µ04r3. (3(mN r̂)r̂ mN) (3.20). The second term is the long-distance magnetic field and was derived in Section 3 of. ... Hamiltonian. H = m B = emS B. For the s-wave, the contribution from the second term in (3.20) vanishes and we only -
Preprint typeset in JHEP style - HYPER VERSION 2018 ...
www.damtp.cam.ac.uk/user/tong/gaugetheory/1em.pdf26 Jun 2024: conditions, S can only take values of the form. S = N with N 2 Z (1.20). ... which is our promised result (1.20). The above explanation was rather laboured. -
2. Introducing Di↵erential Geometry Gravity is geometry. To fully ...
www.damtp.cam.ac.uk/user/tong/gr/two.pdf31 May 2024: about an interesting person and having to spend the first 20 pages wading through. ... so, from (2.20),. the pull-back of a basis vector dxµ is. -
cosmo
www.damtp.cam.ac.uk/user/tong/cosmo/three.pdf26 Jun 2024: r2 = 4Gmn̄a2 (3.25). Now we combine our three linearised equations (3.20), (3.24) and (3.25). ... Take the time. derivative of (3.20) to get. ̈ =H. ar v. -
Dow nloa ded from http s://r oyal soci etyp ...
www.damtp.cam.ac.uk/user/lauga/papers/219.pdf2 Jan 2024: ublis. hing. org. / on. 20 J. uly. 2023. where p is the dynamic pressure. ... 3. 4. 5. h/R. upright floating. tilted swimming. 6 00.20.30.5. h. -
cosmo
www.damtp.cam.ac.uk/user/tong/cosmo/two.pdf26 Jun 2024: re-purpose it to describe atomic reactions like (2.20) (and, later, nuclear reactions). ... will understand recombination and the atomic reaction (2.20). We consider non-relativistic particles, with energy. -
J. Fluid Mech. (2024), vol. 978, R1, doi:10.1017/jfm.2023.849…
www.damtp.cam.ac.uk/user/lauga/papers/222.pdf2 Jan 2024: B/W. 0. 5. 10. 15. 20. 25. Cel. l co. unt. -
topicsinqm
www.damtp.cam.ac.uk/user/tong/aqm/topics6.pdf2 Jul 2024: equation. e2ik = 1 2ik. U0. (6.20). – 204 –. To understand the physics behind this, let’s first look at the situation where U0! ... We can expand (6.20) in 1/U0. (This too is left. as a problem on the exercise sheet.) We find. -
6. Large N Non-Abelian gauge theories are hard. We ...
www.damtp.cam.ac.uk/user/tong/gaugetheory/6n.pdf26 Jun 2024: compute correlation functoins. hJ1. Jpic N1p/2 (6.20). The first factor of N comes from the planar diagrams with a quark loop running. -
Vector CalculusUniversity of Cambridge Part IA Mathematical Tripos…
www.damtp.cam.ac.uk/user/tong/vc/vc1.pdf12 Jun 2024: fixed. – 20 –. For scalar fields (x, y, z) in R3, the gradient is. -
standardmodel
www.damtp.cam.ac.uk/user/tong/sm/standardmodel5.pdf2 Jul 2024: 2, 1)1/2 (5.20). where, again, the labelling is premature and should be taken with a grain of salt before. ... components of these doublets. We write. QL =. uL. dL! and LL =. L. eL! (5.77). (We already introduced these names in (5.18) and (5.20) although, -
Under consideration for publication in J. Fluid Mech. 1 ...
www.damtp.cam.ac.uk/user/hinch/publications/HSB3.pdf11 Mar 2024: These simulationswere extended to De = 20 in figure 4 of Debbaut et al. ... A11(1,y)/A. 11(. ,y). y. De = 0.10.20.30.40.5. (a) Full width. 0. -
Quantum Mechanics David Tong Department of Applied Mathematics and ...
www.damtp.cam.ac.uk/user/tong/qm/qm.pdf26 Jun 2024: 2.1 The Free Particle 20. 2.1.1 A Particle on a Circle 22. ... 20 –. If we do interpret (2.6) as the energy of the particle, we should probably compare it. -
6 Tensors A famously annoying definition of a tensor ...
www.damtp.cam.ac.uk/user/tong/vc/vc6.pdf12 Jun 2024: 6.17) is the integration over a p-dimensional subspace,. Z. M. Ti1.ip dSi1.ip (6.20). -
dynrel
www.damtp.cam.ac.uk/user/tong/relativity/seven.pdf3 Jul 2024: 7. Special Relativity. Although Newtonian mechanics gives an excellent description of Nature, it is not uni-. versally valid. When we reach extreme conditions — the very small, the very heavy or. the very fast — the Newtonian Universe that -
8. Quantum Field Theory on the Plane In this ...
www.damtp.cam.ac.uk/user/tong/gaugetheory/83d.pdf26 Jun 2024: action from (8.19). Se =. Zd3x. g2. 82(@µ). 2 KeSmono cos(2) (8.20). ... our eective action (8.20). This means that the vacuum does not support a constant,. -
Vector Calculus University of Cambridge Part IA Mathematical Tripos…
www.damtp.cam.ac.uk/user/tong/vc/vc.pdf12 Jun 2024: fixed. – 20 –. For scalar fields ϕ(x,y,z) in R3, the gradient is. -
Preprint typeset in JHEP style - HYPER VERSION Michaelmas ...
www.damtp.cam.ac.uk/user/tong/gr/one.pdf31 May 2024: which it couples to the new term Aµ(x). It’s simple to check that the action (1.20). ... 1.20) is determined by the Maxwell equation. We will describe the Einstein equations. -
J. Fluid Mech. (2024), vol. 988, A10, doi:10.1017/jfm.2024.223 Flow…
www.damtp.cam.ac.uk/user/hinch/publications/JFM988_A10.pdf10 Jun 2024: ζ = De(1 η) = Deη̃ for η̃ 1, (3.20)so that De(1 η2) = ζ (2 η̃) 2ζ. ... Specifically, substituting(3.1) into (2.20) yields at O(β̃) the pressure drop P1,. -
J. Fluid Mech. (2024), vol. 988, A11, doi:10.1017/jfm.2024.260 Fast…
www.damtp.cam.ac.uk/user/hinch/publications/JFM988_A11.pdf31 May 2024: We shall discuss in 4.1 how long the exit channel must be, but typicalvalues range from x = 5 to x = 20. ... 0.8. 1.0. A11. (1, y. )/A. 11(. , y). y. De = 0.10.20.30.40.5. -
topicsinqm
www.damtp.cam.ac.uk/user/tong/aqm/topics5.pdf2 Jul 2024: It is given by. =eH. Z(5.20). where H is the Hamiltonian. -
3. Introducing Riemannian Geometry We have yet to meet ...
www.damtp.cam.ac.uk/user/tong/gr/three.pdf31 May 2024: R = R = R = R = r2 sin2 (3.20). ... coecients in the Riemann tensor. (For n = 4, there are 20 coecients of the Riemann. -
7. Quantum Field Theory on the Line In this ...
www.damtp.cam.ac.uk/user/tong/gaugetheory/72d.pdf26 Jun 2024: potential,. NX. a=1. |a|2 = v2 (7.20). This restricts the values of the complex fields to lie on a S2N1 sphere of radius v2. ... it to impose the constraint (7.20) as a delta function. This will result in some strange. -
standardmodel
www.damtp.cam.ac.uk/user/tong/sm/standardmodel3.pdf26 Jun 2024: 122log. 2. UV. µ2. (3.20). This tells us that the charge of the electron gets eectively smaller as we look at larger. -
Biophysical Fluid Dynamics in a Petri Dish George T. ...
www.damtp.cam.ac.uk/user/gold/pdfs/petridish130224.pdf13 Feb 2024: Although classically inbiological fluid dynamics the stresslet is the most common Stokes singularity considered [20], onesees that all low order Stokes singularities arise in familiar contexts. ... wkαz. z=H. = 2xαδk3. 0. λdλ J0(λρ)λ sinh hλ. -
Preprint typeset in JHEP style - HYPER VERSION Lent ...
www.damtp.cam.ac.uk/user/tong/aqm/topicsinqm.pdf2 Jul 2024: 1.2.2 An Example: Spinless Particles 18. 1.2.3 Another Example: Spin 20. ... The. dual state ⟨ϕ|A is defined by. (⟨ϕ|A)|ψ⟩ = ⟨ϕ|(A|ψ⟩) (1.20). -
cosmo
www.damtp.cam.ac.uk/user/tong/cosmo/one.pdf26 Jun 2024: the emitted light,. 0 =a(t0). a(t1)1 =. 1. a(t1)(1.20). This is intuitive: the light is stretched by the expansion of space as it travels through. ... long journey. If they are emitted with frequency 1 then, from (1.20), they arrive with. -
5. Chiral Symmetry Breaking In this section, we discuss ...
www.damtp.cam.ac.uk/user/tong/gaugetheory/5chisb.pdf26 Jun 2024: This is achieved by the so-called hedgehog ansatz,. USkyrme(x) = exp (if(r) x̂) = cos f(r) i x̂ sin f(r) (5.20). ... a spatial and flavour rotation. The subgroup of (5.21) which acts non-trivially on the Skyrmion solution (5.20). -
Preprint typeset in JHEP style - PAPER VERSION June ...
www.damtp.cam.ac.uk/user/tong/tasi/tasi.pdf31 May 2024: original ones, allowing us to define three matrices Ji,. η̄iµν δβAν = (Ji)αβ [δαAµ] (1.20). ... 20 –. of the D(p 4)-brane [3, 5]. They are the same object! -
Preprint typeset in JHEP style - HYPER VERSION Michaelmas ...
www.damtp.cam.ac.uk/user/tong/sft/sft.pdf12 Apr 2024: 1.2.4 A First Look at Universality 20. 1.3 Landau-Ginzburg Theory 22. ... χ 1|T Tc|. (1.20). We’ll see the relevance of this shortly. -
standardmodel
www.damtp.cam.ac.uk/user/tong/sm/standardmodel4.pdf26 Jun 2024: 4.20). Meanwhile, for the anti-fundamental representation N̄, which we denote as , we haveA() = 1. -
Title: The 2025 Motile Active Matter Roadmap Authors Gerhard ...
www.damtp.cam.ac.uk/user/gold/pdfs/Roadmap2025.pdf12 Jul 2024: of California Santa Barbara, California 93106, USA 18 Department of Physics, University of California Santa Barbara, California 93106, USA 19 Molecular Nanophotonics, Leipzig University, 04013 Leipzig Germany 20 University of Haifa, -
4. Lattice Gauge Theory Quantum field theory is hard. ...
www.damtp.cam.ac.uk/user/tong/gaugetheory/4lattice.pdf26 Jun 2024: SWilson =. 2N. X. W W. †. (4.20). Because we’re in Euclidean spacetime, the parameter plays the same role as the in-. ... Only the plaquettes of a specific orientation. in the Wilson action (4.20) will contribute (e.g. -
Preprint typeset in JHEP style - HYPER VERSION Lent ...
www.damtp.cam.ac.uk/user/tong/relativity/dynrel.pdf3 Jul 2024: 2.2.1 Central Forces 20. 2.2.2 Angular Momentum 21. 2.3 Gravity 22. ... 22 x. 23, from which we can. – 20 –. compute r/xi = xi/r for i = 1, 2, 3. -
Preprint typeset in JHEP style - HYPER VERSION Michaelmas ...
www.damtp.cam.ac.uk/user/tong/qft/qft.pdf20 Mar 2024: cm. Planck Scale. Energy. eV eVeV. ConstantCosmological. eV. Observable Universe. 20 billion light years. ... 20 –. 2. Free Fields. “The career of a young theoretical physicist consists of treating the harmonic. -
Preprint typeset in JHEP style - HYPER VERSION Michaelmas ...
www.damtp.cam.ac.uk/user/tong/gr/gr.pdf31 May 2024: which it couples to the new term Aµ(x). It’s simple to check that the action (1.20). ... 1.20) is determined by the Maxwell equation. We will describe the Einstein equations. -
standardmodel
www.damtp.cam.ac.uk/user/tong/sm/standardmodel1.pdf26 Jun 2024: 1.20). To construct representations, the first thing we do is look to the Casimirs. ... 1.56). Again, there are similar expressions for right-handed spinors. – 20 –. There’s quite a bit more to say about the two dierent representations of the -
Limits and Powers of Koopman LearningMatthew J. Colbrook* Igor ...
www.damtp.cam.ac.uk/user/mjc249/pdfs/Koopman_foundations.pdf8 Jul 2024: 16, 17, 18, 19, 20] for avery small sample. -
G-Adaptive mesh refinement - leveraging graphneural networks and…
www.damtp.cam.ac.uk/user/gam37/preprints/preprint_g-adaptive_mesh_refinement.pdf11 Jun 2024: Such methods offer certain advantages (forexample in high dimensional settings [20]), but are typically outperformed by traditional numericalmethods in accuracy in most settings [17]. ... 20] J. Han, A. Jentzen, and W. E. Solving high-dimensional partial -
standardmodel
www.damtp.cam.ac.uk/user/tong/sm/standardmodel2.pdf26 Jun 2024: SE[] =. Zdd3x. 1. 2@µ@. µ V (). (2.20). In the saddle point approximation, the amplitude is dominated by the classical solutions. -
Supersymmetric Quantum Mechanics David Tong Department of Applied…
www.damtp.cam.ac.uk/user/tong/susy/susyqm.pdf18 Mar 2024: The invariance of theaction (1.20) becomes simply. QS = Q†S = 0 (1.22). ... 2h′ 2 h′′ψ†ψ. ]. – 20 –. Clearly this is equivalent to our original action (1.14) after an integration by parts, but. -
4. The Einstein Equations It is now time to ...
www.damtp.cam.ac.uk/user/tong/gr/four.pdf31 May 2024: X0 = R sinh(/R) and Xi = R cosh(/R)yi (4.20). where the yi, with i = 1, 2, 3, 4, obeyP. -
6. Black Holes Black holes are among the most ...
www.damtp.cam.ac.uk/user/tong/gr/six.pdf31 May 2024: 6. Black Holes. Black holes are among the most enigmatic objects in the universe. They are described. by deceptively simple solutions to the Einstein equations, yet hold a host of insights. and surprises, from the meaning of causal structure, to -
Preprint typeset in JHEP style - HYPER VERSION January ...
www.damtp.cam.ac.uk/user/tong/qhe/qhe.pdf1 Apr 2024: Landau level. The wavefunction (1.20) depends on two quantum numbers, n and k but. ... 0Lx/l2B. dk =LxLy2πl2B. =eBA. 2π(1.21). – 20 –. where A = LxLy is the area of the sample.
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