{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:OX3VV4ADP4NR3QOACYTYU5ONRI","short_pith_number":"pith:OX3VV4AD","schema_version":"1.0","canonical_sha256":"75f75af0037f1b1dc1c016278a75cd8a0cd552fb0d20b7e3107b445dbe3bf521","source":{"kind":"arxiv","id":"1205.1847","version":1},"attestation_state":"computed","paper":{"title":"Bypassing the bandwidth theorem with PT symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","quant-ph"],"primary_cat":"physics.class-ph","authors_text":"(2) Helmholtz Center Dresden-Rossendorf, CT, Dresden, F. M. Ellis (1), Germany), Hamidreza Ramezani (1), J. Schindler (1), Middletown, Tsampikos Kottos (1) ((1) Department of Physics, USA, Uwe Guenther (2), Wesleyan University","submitted_at":"2012-05-09T00:01:34Z","abstract_excerpt":"The beat time {\\tau}_{fpt} associated with the energy transfer between two coupled oscillators is dictated by the bandwidth theorem which sets a lower bound {\\tau}_{fpt}\\sim 1/{\\delta}{\\omega}. We show, both experimentally and theoretically, that two coupled active LRC electrical oscillators with parity-time (PT) symmetry, bypass the lower bound imposed by the bandwidth theorem, reducing the beat time to zero while retaining a real valued spectrum and fixed eigenfrequency difference {\\delta}{\\omega}. Our results foster new design strategies which lead to (stable) pseudo-unitary wave evolution,"},"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":"1205.1847","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2012-05-09T00:01:34Z","cross_cats_sorted":["cond-mat.other","quant-ph"],"title_canon_sha256":"a5ddfed27bd281bb587d9db8ceb4aa5fb001b106bff677a44dd2f0c63bd522f0","abstract_canon_sha256":"ea6c368364ee4d019bbc2d5d363c8dddf57be1410dda146a021bb3caa69a8ba1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:52:25.922813Z","signature_b64":"9HAgXSTX7rae+pdxZbvW71fcQzRsxYH4aOGSd/Mg5Ejpms7iUgXXuAXpvsBDeZhB6PjwfCNktnqSEf6k9t7tAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"75f75af0037f1b1dc1c016278a75cd8a0cd552fb0d20b7e3107b445dbe3bf521","last_reissued_at":"2026-05-18T03:52:25.922275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:52:25.922275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bypassing the bandwidth theorem with PT symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","quant-ph"],"primary_cat":"physics.class-ph","authors_text":"(2) Helmholtz Center Dresden-Rossendorf, CT, Dresden, F. M. Ellis (1), Germany), Hamidreza Ramezani (1), J. Schindler (1), Middletown, Tsampikos Kottos (1) ((1) Department of Physics, USA, Uwe Guenther (2), Wesleyan University","submitted_at":"2012-05-09T00:01:34Z","abstract_excerpt":"The beat time {\\tau}_{fpt} associated with the energy transfer between two coupled oscillators is dictated by the bandwidth theorem which sets a lower bound {\\tau}_{fpt}\\sim 1/{\\delta}{\\omega}. We show, both experimentally and theoretically, that two coupled active LRC electrical oscillators with parity-time (PT) symmetry, bypass the lower bound imposed by the bandwidth theorem, reducing the beat time to zero while retaining a real valued spectrum and fixed eigenfrequency difference {\\delta}{\\omega}. Our results foster new design strategies which lead to (stable) pseudo-unitary wave evolution,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.1847","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":"1205.1847","created_at":"2026-05-18T03:52:25.922366+00:00"},{"alias_kind":"arxiv_version","alias_value":"1205.1847v1","created_at":"2026-05-18T03:52:25.922366+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.1847","created_at":"2026-05-18T03:52:25.922366+00:00"},{"alias_kind":"pith_short_12","alias_value":"OX3VV4ADP4NR","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_16","alias_value":"OX3VV4ADP4NR3QOA","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_8","alias_value":"OX3VV4AD","created_at":"2026-05-18T12:27:16.716162+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/OX3VV4ADP4NR3QOACYTYU5ONRI","json":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI.json","graph_json":"https://pith.science/api/pith-number/OX3VV4ADP4NR3QOACYTYU5ONRI/graph.json","events_json":"https://pith.science/api/pith-number/OX3VV4ADP4NR3QOACYTYU5ONRI/events.json","paper":"https://pith.science/paper/OX3VV4AD"},"agent_actions":{"view_html":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI","download_json":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI.json","view_paper":"https://pith.science/paper/OX3VV4AD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1205.1847&json=true","fetch_graph":"https://pith.science/api/pith-number/OX3VV4ADP4NR3QOACYTYU5ONRI/graph.json","fetch_events":"https://pith.science/api/pith-number/OX3VV4ADP4NR3QOACYTYU5ONRI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI/action/storage_attestation","attest_author":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI/action/author_attestation","sign_citation":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI/action/citation_signature","submit_replication":"https://pith.science/pith/OX3VV4ADP4NR3QOACYTYU5ONRI/action/replication_record"}},"created_at":"2026-05-18T03:52:25.922366+00:00","updated_at":"2026-05-18T03:52:25.922366+00:00"}