{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:TJQ3QOYHUA745GFQTT74UX6TV2","short_pith_number":"pith:TJQ3QOYH","schema_version":"1.0","canonical_sha256":"9a61b83b07a03fce98b09cffca5fd3aeaef06c46861e02c9b863cb4f6a41c491","source":{"kind":"arxiv","id":"2004.10615","version":5},"attestation_state":"computed","paper":{"title":"Trajectory of a flying plasma mirror traversing a target with density gradient","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","physics.optics"],"primary_cat":"physics.plasm-ph","authors_text":"Gerard Mourou, Pisin Chen","submitted_at":"2020-04-22T14:57:35Z","abstract_excerpt":"It has been proposed that laser-induced relativistic plasma mirror can accelerate if the plasma has a properly tailored density profile. Such accelerating plasma mirrors can serve as analog black holes to investigate Hawking evaporation and the associated information loss paradox. Here we reexamine the underlying dynamics of mirror motion in a graded-density plasma to provide an explicit trajectory as a function of the plasma density and its gradient. Specifically, a decreasing plasma density profile (down-ramp) along the direction of laser propagation would in general accelerate the mirror. I"},"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":"2004.10615","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-04-22T14:57:35Z","cross_cats_sorted":["gr-qc","physics.optics"],"title_canon_sha256":"465fdd3c1e86316f7188f7cf6d466721c69097ec201f58db388ee573c4298533","abstract_canon_sha256":"417fe56c835a4700b81190ce40541f9bc5e033336245e136fc9d07d52a01a1e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:11:47.249700Z","signature_b64":"8K13hZo52Of2zpRJnrNzECR+/D5TOdBzZeiPQx8aGtue8cZ/qcYaNnEM+R/um3lY0eh9vwyXKocFI9Sw5cX8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a61b83b07a03fce98b09cffca5fd3aeaef06c46861e02c9b863cb4f6a41c491","last_reissued_at":"2026-07-05T02:11:47.249284Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:11:47.249284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Trajectory of a flying plasma mirror traversing a target with density gradient","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","physics.optics"],"primary_cat":"physics.plasm-ph","authors_text":"Gerard Mourou, Pisin Chen","submitted_at":"2020-04-22T14:57:35Z","abstract_excerpt":"It has been proposed that laser-induced relativistic plasma mirror can accelerate if the plasma has a properly tailored density profile. Such accelerating plasma mirrors can serve as analog black holes to investigate Hawking evaporation and the associated information loss paradox. Here we reexamine the underlying dynamics of mirror motion in a graded-density plasma to provide an explicit trajectory as a function of the plasma density and its gradient. Specifically, a decreasing plasma density profile (down-ramp) along the direction of laser propagation would in general accelerate the mirror. I"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.10615","kind":"arxiv","version":5},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2004.10615/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2004.10615","created_at":"2026-07-05T02:11:47.249348+00:00"},{"alias_kind":"arxiv_version","alias_value":"2004.10615v5","created_at":"2026-07-05T02:11:47.249348+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.10615","created_at":"2026-07-05T02:11:47.249348+00:00"},{"alias_kind":"pith_short_12","alias_value":"TJQ3QOYHUA74","created_at":"2026-07-05T02:11:47.249348+00:00"},{"alias_kind":"pith_short_16","alias_value":"TJQ3QOYHUA745GFQ","created_at":"2026-07-05T02:11:47.249348+00:00"},{"alias_kind":"pith_short_8","alias_value":"TJQ3QOYH","created_at":"2026-07-05T02:11:47.249348+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.01052","citing_title":"Planckian Gravitons from an Imaginary-Time Clock","ref_index":22,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2","json":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2.json","graph_json":"https://pith.science/api/pith-number/TJQ3QOYHUA745GFQTT74UX6TV2/graph.json","events_json":"https://pith.science/api/pith-number/TJQ3QOYHUA745GFQTT74UX6TV2/events.json","paper":"https://pith.science/paper/TJQ3QOYH"},"agent_actions":{"view_html":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2","download_json":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2.json","view_paper":"https://pith.science/paper/TJQ3QOYH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2004.10615&json=true","fetch_graph":"https://pith.science/api/pith-number/TJQ3QOYHUA745GFQTT74UX6TV2/graph.json","fetch_events":"https://pith.science/api/pith-number/TJQ3QOYHUA745GFQTT74UX6TV2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2/action/storage_attestation","attest_author":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2/action/author_attestation","sign_citation":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2/action/citation_signature","submit_replication":"https://pith.science/pith/TJQ3QOYHUA745GFQTT74UX6TV2/action/replication_record"}},"created_at":"2026-07-05T02:11:47.249348+00:00","updated_at":"2026-07-05T02:11:47.249348+00:00"}