structure
definition
def or abbrev
Spin
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view Lean formalization →
formal statement (Lean)
49structure Spin where
50 /-- Twice the spin value (to keep integer arithmetic). -/
51 twice : ℤ
52 /-- Spin must be non-negative. -/
53 nonneg : twice ≥ 0
54
55namespace Spin
56
57/-- Create a spin from an integer (s = n means spin n). -/
used by (40)
-
D2_no_spinor_structure -
D4_no_spinor_structure -
dimension_forcing_summary -
eight_tick_forces_D3 -
HasRSSpinorStructure -
physical_eight_tick -
spinor_dim_D4 -
why_D_equals_3 -
exchange_sign_boson -
spin_statistics_certificate -
summary -
electron_is_fermion -
fermion_wavefunction_antisymmetric -
QuantumState -
boson_symmetric -
boson_symmetric_wavefunction -
boson_symmetry_from_8tick -
cyclePhase -
eight_ticks_full_cycle -
exchange_equals_rotation -
exchangePhase -
exchangeSymmetryFromSpin -
fermion_antisymmetric -
fermion_antisymmetric_wavefunction -
fermion_antisymmetry_from_8tick -
half -
halfCyclePhase -
halfInt -
int_half_exclusive -
int_or_half