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We have constructed a 6-band k.p Hamiltonian and used it within the envelope function method to calculate the subband structure of a variety of LaAlO3/SrTiO3 heterostructures. By use of density functional calculations, we determine the k.p parameters describing the conduction band edge of SrTiO3: the three effective mass parameters, L=0.6104 eV AA^2, M=9.73 eV AA^2, N=-1.616 eV AA^2, the spin orbit splitting Delta_SO=28.5 meV and the low temperature tetragonal distortion energy s"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1303.7095","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-03-28T11:04:01Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e6bc95a2e7f69a172dce33702ec586467bf76498bd8fe677356e3348862205dd","abstract_canon_sha256":"8b60fbedd4822fdd29c1223fac76fdc1c834c5f9b363e77ac2da0ebdbdd0bbca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:59.527362Z","signature_b64":"qFh6x4XIiQzcpo790lZLXehMvGUY5M1kTRWglKQ2VPBBSmfp/9xSIeiLMObYkPsqEdRxCDmdWJPAalibRaUfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7db29e613d42ef16f3941bdfa0d0cba65dc2ac54b9a3b5ede34c8d76818c666d","last_reissued_at":"2026-05-18T03:02:59.526841Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:59.526841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"k.p subband structure of the LaAlO3/SrTiO3 interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. 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