Hagen Kleinert, FU BERLIN THIRD QUANTIZATION
Multi-Valued Quantum Field Theory Multi-Valued Quantum Field Theory In Condensed Matter, Electromagnetism, Quark Confinement, and Gravitation Hagen Kleinert, FU BERLIN
Imagine: Single-Valued World Multivalued World
Warm-up: Ginzburg-Landau Theory FALSE! Chain Rule: set
Jumps! In 1D, can be removed by going to covering group U(1) In >1D impossible Correct Chain Rule:
Gauge Transformations Axial Gauge Invariant Field Strength:
Simplest MULTIVALUED FIELD in 2D Solve:
NOTE: Mother of Two Important Green Functions
Application: Magnetostatics Recall:
Now: Generate Magnetic Field by Multivalued Gauge Transformations Thin Flux Tube:
Magnetic Monopoles Magnetic Monopoles
Derive: Minimal Coupling From Non- holonomic Gauge Transformations Then action changes by surface terms only: For nonholonomic Nontrivial
Schrödinger Equation Momentum Use nonholonomic then Solved by with nonzero magnetic field
Multivalued Description of Magnetism Magnetic Field
Action Gauge Invariance
Defect Current Conserv.: Integration by parts Integration of Omega Enforced as Bianchi Identity: Double Gauge Theory:
Note: Action arises also Note: Action arises also from GL Theory of superfluid He from GL Theory of superfluid He In London (hydrodynamic) Limit Thus same formalism holds for superfluid He!
GC Sum Over Lines can be transformed into Disorder QFT Result: Ginzburg-Landau Theory of Superfluid Helium
Absorb phase angle (unitary gauge Order of Superconducting Transition in Ginzburg-Landau Theory in Ginzburg-Landau Theory ) )) ) Simple argument:
Integrated out cubic term 1st-order transtion: Fluctuations of vector potential
Correct:
Villain Model
Relate to Result Confirmed by Monte Carlo (recall )
Double-Gauge QFT of Monopoles
Changing the surface is gauge transformation
Monopole Gauge Invariance Dirac QC:
Quark Confinement add Disorder Theory of magnetic worldlines Exchange electricmagnetic Meissner eff area law
Final Examle: Nontrivial Geometry from Nonholonomic Coordinate Transformations Burgers vector b
Frank Vector DISCLINATIONS
FUNDAMENTALS: Universality of FREE PARTICLE motion:
Nonholonomic image of is Autoparallel Instead of Geodesic
QUANTUM THEORY: Trajectory is fat fluctuation sausage! Tidal forces on wave packet ?
Lattice Defect Theory vs Abelian QED on Lattice Lattice formulation Define
CURIOSITY: Induced Gravity in `World Crystal´ Elastic Gauge Tfs: Canonical Form Momentum Conservation Enforced as Bianchi Idty: Double Gauge Theory
Dual Representation
BUT NEED
Modify Elastic Action to and further to FLOPPY CRYSTAL
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Conservation Laws Define Torsion Linearized Fundamental Identity Define Einstein Tensor Linearized Bianchi Identity Volterra Construction
INTEGRABILITY CONDITIONS Define Curvature Tensor: Then above integrability implies: (linearized Biachi identitiy)
General Coordinate Transformation Basis Tetrads Affine Connection
Multivalued Basis Tetrads
INTEGRABILITY CONDITIONS Bianchi Identities
Rewrite as General, then Bianchi Identities Palatini tensor
Gravitational field version of conservation laws
Minimal Coupling from Nonholonomic Coord. Tranfs. Holonomic vierbein transforming to nonholonomic Coordinates
Multivalued infinitesimal coordinate transformation
INTEGRABILITY CONDITIONS Bianchi Identities
Derivation from Nonholonomic Mapping Principle for Dirac Electron Flat Space Local Lorentz Transformations
“ EXPERIMENTAL “ SITUATION Hydrogen Atom in Momentum Space Hydrogen Atom in Momentum Space Eliminates candidates