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PH20124: Techniques for theoretical physics

[Page last updated: 23 October 2023]

Academic Year: 2023/24
Owning Department/School: Department of Physics
Credits: 6 [equivalent to 12 CATS credits]
Notional Study Hours: 120
Level: Intermediate (FHEQ level 5)
Period:
Semester 2
Assessment Summary: EXOB 100%
Assessment Detail:
  • 2hr exam (EXOB 100%)
Supplementary Assessment:
Like-for-like reassessment (where allowed by programme regulations)
Requisites: Before taking this module you must take PH20107
Learning Outcomes: After taking this unit the student should be able to:
  • derive the Euler-Lagrange equation and solve problems using the calculus of variations;
  • use superposition methods for inhomogeneous ordinary differential equations;
  • solve ordinary differential equations using Green functions;
  • derive theorems of analytic functions and use them to evaluate integrals.



Aims: The aim of this unit is to further the development of students' mathematical knowledge and skills by introducing concepts and methods used in a mathematical description of the physical world.

Skills: Numeracy T/F A, Problem Solving T/F A.

Content: Calculus of variations: Euler-Lagrange equation: derivation and examples. Variation subject to constraints: examples.
Superposition methods: Sturm-Liouville theory, eigenfunctions and eigenvalues, orthogonality of eigenfunctions. Solution of inhomogeneous equations. Green's functions: eigenfunction expansion; direct method; application to solution of inhomogeneous ordinary differential equations.
Functions of a complex variable: Functions of z, multivalued functions, branch points and branch cuts. Differentiation, analytic functions, Cauchy-Riemann equations. Complex integration; Cauchy's theorem and integral. Taylor and Laurent expansions. Residue theorem, evaluation of real integrals. Applications to conformal mapping and/or Kramers-Kronig relations.

Course availability:

PH20124 is Compulsory on the following courses:

Department of Physics
  • USPH-AFB16 : BSc(Hons) Physics with Theoretical Physics (Year 2)
  • USPH-AAB16 : BSc(Hons) Physics with Theoretical Physics with Study year abroad (Year 2)
  • USPH-AKB16 : BSc(Hons) Physics with Theoretical Physics with Year long work placement (Year 2)
  • USPH-AFM16 : MPhys(Hons) Physics with Theoretical Physics (Year 2)
  • USPH-AFM17 : MPhys(Hons) Physics with Theoretical Physics with Research placement (Year 2)
  • USPH-AAM16 : MPhys(Hons) Physics with Theoretical Physics with Study year abroad (Year 2)
  • USPH-AKM16 : MPhys(Hons) Physics with Theoretical Physics with Professional Placement (Year 2)
  • USPH-AKM17 : MPhys(Hons) Physics with Theoretical Physics with Professional and Research Placements (Year 2)
  • USPH-AAM17 : MPhys(Hons) Physics with Theoretical Physics with Study year abroad and Research Placement (Year 2)

PH20124 is Optional on the following courses:

Department of Physics
  • USPH-AFB01 : BSc(Hons) Physics (Year 2)
  • USPH-AAB02 : BSc(Hons) Physics with Study year abroad (Year 2)
  • USPH-AKB02 : BSc(Hons) Physics with Year long work placement (Year 2)
  • USPH-AFB10 : BSc(Hons) Physics with Astrophysics (Year 2)
  • USPH-AAB10 : BSc(Hons) Physics with Astrophysics with Study year abroad (Year 2)
  • USPH-AKB10 : BSc(Hons) Physics with Astrophysics with Year long work placement (Year 2)
  • USPH-AFM02 : MPhys(Hons) Physics (Year 2)
  • USPH-AFM04 : MPhys(Hons) Physics with Research placement (Year 2)
  • USPH-AAM12 : MPhys(Hons) Physics with Study year abroad (Year 2)
  • USPH-AKM03 : MPhys(Hons) Physics with Professional Placement (Year 2)
  • USPH-AKM04 : MPhys(Hons) Physics with Professional and Research Placements (Year 2)
  • USPH-AFM10 : MPhys(Hons) Physics with Astrophysics (Year 2)
  • USPH-AFM11 : MPhys(Hons) Physics with Astrophysics with Research placement (Year 2)
  • USPH-AAM14 : MPhys(Hons) Physics with Astrophysics with Study year abroad (Year 2)
  • USPH-AKM10 : MPhys(Hons) Physics with Astrophysics with Professional Placement (Year 2)
  • USPH-AKM11 : MPhys(Hons) Physics with Astrophysics with Professional and Research Placements (Year 2)
  • USPH-AAM15 : MPhys(Hons) Physics with Astrophysics with Study year abroad and Research Placement (Year 2)
  • USPH-AAM13 : MPhys(Hons) Physics with Study year abroad and Research Placement (Year 2)

Notes:

  • This unit catalogue is applicable for the 2023/24 academic year only. Students continuing their studies into 2024/25 and beyond should not assume that this unit will be available in future years in the format displayed here for 2023/24.
  • Courses and units are subject to change in accordance with normal University procedures.
  • Availability of units will be subject to constraints such as staff availability, minimum and maximum group sizes, and timetabling factors as well as a student's ability to meet any pre-requisite rules.
  • Find out more about these and other important University terms and conditions here.