{"action":"opened","issue":{"url":"https://api.github.com/repos/arXivQuration/arXivQuration/issues/7","repository_url":"https://api.github.com/repos/arXivQuration/arXivQuration","labels_url":"https://api.github.com/repos/arXivQuration/arXivQuration/issues/7/labels{/name}","comments_url":"https://api.github.com/repos/arXivQuration/arXivQuration/issues/7/comments","events_url":"https://api.github.com/repos/arXivQuration/arXivQuration/issues/7/events","html_url":"https://github.com/arXivQuration/arXivQuration/issues/7","id":340042890,"node_id":"MDU6SXNzdWUzNDAwNDI4OTA=","number":7,"title":"A variational eigenvalue solver on a quantum processor","user":{"login":"minatoyuichiro","id":35594418,"node_id":"MDQ6VXNlcjM1NTk0NDE4","avatar_url":"https://avatars0.githubusercontent.com/u/35594418?v=4","gravatar_id":"","url":"https://api.github.com/users/minatoyuichiro","html_url":"https://github.com/minatoyuichiro","followers_url":"https://api.github.com/users/minatoyuichiro/followers","following_url":"https://api.github.com/users/minatoyuichiro/following{/other_user}","gists_url":"https://api.github.com/users/minatoyuichiro/gists{/gist_id}","starred_url":"https://api.github.com/users/minatoyuichiro/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/minatoyuichiro/subscriptions","organizations_url":"https://api.github.com/users/minatoyuichiro/orgs","repos_url":"https://api.github.com/users/minatoyuichiro/repos","events_url":"https://api.github.com/users/minatoyuichiro/events{/privacy}","received_events_url":"https://api.github.com/users/minatoyuichiro/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-07-10T23:39:43Z","updated_at":"2018-07-10T23:39:43Z","closed_at":null,"author_association":"NONE","body":"## 一言でいうと\r\n量子古典ハイブリッドで変分法を利用したベクトルの固有値を求めるアルゴリズムを開発した。\r\n\r\n### 論文リンク\r\nhttps://arxiv.org/abs/1304.3061\r\n\r\n### 著者/所属機関\r\nAlberto Peruzzo,1, ∗ Jarrod McClean,2, ∗ Peter Shadbolt,1 Man-Hong Yung,2, 3\r\nXiao-Qi Zhou,1 Peter J. Love,4 Al´an Aspuru-Guzik,2 and Jeremy L. O’Brien1\r\n\r\n1. Centre for Quantum Photonics, H.H.Wills Physics Laboratory & Department of\r\nElectrical and Electronic Engineering, University of Bristol, Bristol BS8 1UB, UK\r\n2. Department of Chemistry and Chemical Biology, Harvard University, Cambridge MA, 02138\r\n3. Center for Quantum Information, Institute for Interdisciplinary Information Sciences,\r\nTsinghua University, Beijing, 100084, P. R. China\r\n4. Department of Physics, Haverford College, Haverford, PA 19041, USA\r\n\r\n### 投稿日付(yyyy/MM/dd)\r\n10 Apr 2013\r\n\r\n## 概要\r\n量子位相推定アルゴリズムの代わりにHe-H+の基底状態の分子エネルギーを一定の精度内で計算する量子化学計算からのアプローチを提案。実際のフォトニクスマシンを使って再現している。これにより、量子位相推定アルゴリズムよりも短いコヒーレンスタイムで高精度な量子化学計算が実現された。\r\n\r\n## 新規性・差分\r\nエラーが多くて短いコヒーレンス時間のマシンでも古典マシンと組み合わせることで計算が可能に。\r\n\r\n## 手法\r\nansatz波動関数を用意し、ベクトルの固有値を求める。そこから古典計算機で新しいパラメータを発行して再度ansatz波動関数を用意して新しいベクトルの固有値を求めることを繰り返し、変分法により求めたい答えに行き着く。\r\n\r\n## 結果\r\nHe-H+の基底状態の分子エネルギーを高精度で求めた。\r\n\r\n## コメント\r\n2018年流行ってます。"}}
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