Gauge theories on a spacetime lattice

Construct lattice observables and simulation methods, then analyze continuum extrapolation, fermion discretization, and limits of numerical evidence.

10 published lessons1 module270 min of guided study
  1. 01
    Gauge theories on a spacetime latticeresearch · 10 lessons

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Gauge theories on a spacetime lattice

Construct lattice observables and simulation methods, then analyze continuum extrapolation, fermion discretization, and limits of numerical evidence.

  1. 01

    Put gauge transport on oriented lattice links

    Fix the lattice spacing, matrix orientation, trace normalization, and Euclidean coupling.

    27 min
  2. 02

    Extract a static energy from long Euclidean rectangles

    Separate ground-state projection, self energies, area laws, and string breaking.

    27 min
  3. 03

    Connect Euclidean slices to a positive Hilbert space

    Distinguish positive weights, positive operators, and assumptions behind reconstruction.

    27 min
  4. 04

    Sample the target measure and measure the correlations

    Separate stationarity, convergence, autocorrelation, and regulator systematics.

    27 min
  5. 05

    Build reversible proposals with an acceptance correction

    Separate fictitious dynamics, pseudofermion measures, and exactness assumptions.

    27 min
  6. 06

    Count unwanted light modes before interpreting a fermion field

    State the discrete Dirac symbol, Brillouin domain, and no-go hypotheses.

    27 min
  7. 07

    Choose a discretization with explicit symmetry costs

    Compare lifted doublers, staggered tastes, and modified lattice chirality.

    27 min
  8. 08

    Fit a spectrum without mistaking a plateau for proof

    Track source overlaps, temporal images, correlations, and excited states.

    27 min
  9. 09

    Turn lattice numbers into controlled physical predictions

    Separate scale calibration, physical-volume control, and cutoff extrapolation.

    27 min
  10. 10

    Diagnose phase cancellation before claiming a finite-density result

    Separate a changed measure, reweighting overlap, and restricted analytic methods.

    27 min
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