{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:L7EMV33IEOSU5RMC7KX2KWZSPH","short_pith_number":"pith:L7EMV33I","schema_version":"1.0","canonical_sha256":"5fc8caef6823a54ec582faafa55b3279edabf93aaa4b124fef2ac0a17f5320cc","source":{"kind":"arxiv","id":"1903.11265","version":1},"attestation_state":"computed","paper":{"title":"Comment on 'Two-dimensional position-dependent massive particles in the presence of magnetic fields\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"Omar Mustafa","submitted_at":"2019-03-27T07:00:02Z","abstract_excerpt":"Using the well known position-dependent mass (PDM) von Roos Hamiltonian, Dutra and Oliveira (2009 J. Phys. A: Math. Theor. 42 025304) have studied the problem of two-dimensional PDM particles in the presence of magnetic fields. They have reported exact solutions for the wavefunctions and energies. In the first part of their study \"PDM-Shr\\\"odinger equation in two-dimensional Cartesian coordinates\", they have used the so called Zhu and Kroemer's ordering {\\alpha}=-1/2={\\gamma} and \\b{eta}=0 <cite>5</cite>. While their treatment for this part is correct beyond doubt, their treatment of second pa"},"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":"1903.11265","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-27T07:00:02Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"5cb96707b5914612eed8c9540913b3125aab5ff7517cfa433b4cffbe96c8d4aa","abstract_canon_sha256":"6e06a8ee8098ad704f01d54893d5f0ed26f983cb7bac5910092b97a2f278c15c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:03.741528Z","signature_b64":"g8hUpOhFHv1i/B3A7JnfASPcMrgpcsoh0xPcUdPLQau72dyHWY+lenPpHw5mSQD+Ib9HZxJdnT7l7gEV9/5RAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fc8caef6823a54ec582faafa55b3279edabf93aaa4b124fef2ac0a17f5320cc","last_reissued_at":"2026-05-17T23:50:03.740928Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:03.740928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comment on 'Two-dimensional position-dependent massive particles in the presence of magnetic fields\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"Omar Mustafa","submitted_at":"2019-03-27T07:00:02Z","abstract_excerpt":"Using the well known position-dependent mass (PDM) von Roos Hamiltonian, Dutra and Oliveira (2009 J. Phys. A: Math. Theor. 42 025304) have studied the problem of two-dimensional PDM particles in the presence of magnetic fields. They have reported exact solutions for the wavefunctions and energies. In the first part of their study \"PDM-Shr\\\"odinger equation in two-dimensional Cartesian coordinates\", they have used the so called Zhu and Kroemer's ordering {\\alpha}=-1/2={\\gamma} and \\b{eta}=0 <cite>5</cite>. While their treatment for this part is correct beyond doubt, their treatment of second pa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11265","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1903.11265","created_at":"2026-05-17T23:50:03.741024+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.11265v1","created_at":"2026-05-17T23:50:03.741024+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11265","created_at":"2026-05-17T23:50:03.741024+00:00"},{"alias_kind":"pith_short_12","alias_value":"L7EMV33IEOSU","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"L7EMV33IEOSU5RMC","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"L7EMV33I","created_at":"2026-05-18T12:33:21.387695+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH","json":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH.json","graph_json":"https://pith.science/api/pith-number/L7EMV33IEOSU5RMC7KX2KWZSPH/graph.json","events_json":"https://pith.science/api/pith-number/L7EMV33IEOSU5RMC7KX2KWZSPH/events.json","paper":"https://pith.science/paper/L7EMV33I"},"agent_actions":{"view_html":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH","download_json":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH.json","view_paper":"https://pith.science/paper/L7EMV33I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.11265&json=true","fetch_graph":"https://pith.science/api/pith-number/L7EMV33IEOSU5RMC7KX2KWZSPH/graph.json","fetch_events":"https://pith.science/api/pith-number/L7EMV33IEOSU5RMC7KX2KWZSPH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH/action/storage_attestation","attest_author":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH/action/author_attestation","sign_citation":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH/action/citation_signature","submit_replication":"https://pith.science/pith/L7EMV33IEOSU5RMC7KX2KWZSPH/action/replication_record"}},"created_at":"2026-05-17T23:50:03.741024+00:00","updated_at":"2026-05-17T23:50:03.741024+00:00"}