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- (b) Using (37) (7) = -^r(),: S (2), derive Poisson's equation pVY= constant. Vderive and show working out pleaseExpand the equation K = m(γ−1) in aTaylor series, and find the first two nonvanishingterms. Explain why the vanishing terms are theones that should vanish physically. Show thatthe first term is the nonrelativistic expression forkinetic energy.
- The Newton–Raphson method for finding the stationary point(s) Rsp of a potential energy surface V is based on a Taylor-series expansion around a guess, R0. Similarly, the velocity Verlet algorithm for integrating molecular dynamics trajectories [xt, vt] is based on a Taylor-series expansion around the initial conditions, [x0, v0]. Both of these methods rely strictly on local information about the system. How many derivatives do we need to compute in order to apply them?Show that the minimum cnergy of a simple harmonic oscillator is Fw/2 if ArAp = h/2, where (Ap)² = ((p - (p))?). %3DThe partition funetion for the ensemble characterized by constant V, E, and G = µÑ is given to a very good approximation by ø(V, E, µN)=Q(N,V,E)eBHN, where G = µN is the Gibbs energy (µ is the chemical potential and N is the average number of particles). Find an expression for the characteristic thermodynamic function for this ensemble in terms of the partition function ø(V, E, µN).
- The Hamiltonian for classical ideal gas for N atoms is H = P? (i) Calculate E(E) and obtain the following entropy relation (4rm E 3 S(E,V) = Nklog +-Nk 3h? N (ii) Calculate internal energy U(S,V). (ii) Calculate specific heat capacity.Please no written by hand solutionPlease help to prove this to be true
- One-dimensional harmonic oscillators in equilibrium with a heat bath (a) Calculate the specific heat of the one-dimensional harmonic oscillator as a function of temperature (b) Plot the T -dependence of the mean energy per particle E/N and the specific heat c. Show that E/N → kT at high temperatures for which kT > hw In this limit the energy kT is large in comparison to hw , the separation between energy levels. Hint: expand the exponential function 1 ē = ħw + eBhwConsider a collection of N non-interacting one-dimensional harmonic oscillators, with total Hamiltonian H(p, q) = E"+mw²q}]: Li-1 [2m (a) Calculate the classical partition function, taking the phase-space element to be dpdq/t, where t is an arbitrary scale factor. (b) Obtain the entropy, internal energy, and heat capacity.Consider a collection of N non-interacting one-dimensional harmonic oscillators, with total Hamiltonian H(p, q) = E +ma²q}]: 2 [2m (a) Calculate the classical partition function, taking the phase-space element to be dpdq/t, where t is an arbitrary scale factor. (b) Obtain the entropy, internal energy, and heat capacity.