SEARCH Articles Figures Tables Blue phase defect theory Character defect theory Crystal, defect, point theory Extended defect structures theory Lattice theories defects MQDT (multichannel quantum defect theory Microscopic Theories of Point Defects Multi-channel quantum defect theory Multichannel Quantum Defect Theory calculations Multichannel defect theory Multichannel quantum defect theory Point defect theory Point defects elastic theory Quantum Theory of the Defect Solid State Quantum defect theory Quantum defect theory (QDT) Quantum defect theory for bound states Rydberg states multichannel quantum defect theory Topological theory of defects