{"action":"closed","issue":{"url":"https://api.github.com/repos/topocm/topocm_content/issues/31","labels_url":"https://api.github.com/repos/topocm/topocm_content/issues/31/labels{/name}","comments_url":"https://api.github.com/repos/topocm/topocm_content/issues/31/comments","events_url":"https://api.github.com/repos/topocm/topocm_content/issues/31/events","html_url":"https://github.com/topocm/topocm_content/issues/31","id":62640975,"number":31,"title":"4.1 QHE lattice typo in eq","user":{"login":"basnijholt","id":6897215,"avatar_url":"https://avatars.githubusercontent.com/u/6897215?v=3","gravatar_id":"","url":"https://api.github.com/users/basnijholt","html_url":"https://github.com/basnijholt","followers_url":"https://api.github.com/users/basnijholt/followers","following_url":"https://api.github.com/users/basnijholt/following{/other_user}","gists_url":"https://api.github.com/users/basnijholt/gists{/gist_id}","starred_url":"https://api.github.com/users/basnijholt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/basnijholt/subscriptions","organizations_url":"https://api.github.com/users/basnijholt/orgs","repos_url":"https://api.github.com/users/basnijholt/repos","events_url":"https://api.github.com/users/basnijholt/events{/privacy}","received_events_url":"https://api.github.com/users/basnijholt/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-03-18T09:44:22Z","updated_at":"2015-03-20T10:08:27Z","closed_at":"2015-03-20T10:08:27Z","body":"In the equation in the text: \r\n\r\nNow let us make this formal by first labeling the chains by an index ny, which takes integer values. Let us also replace k→kx to denote the wave-vector along a chain. Hence a single chain has a Hamiltonian [−(2tcosk+μ)τz+Δsinkxτy]⊗∣∣ny⟩⟨ny∣∣. The projector ∣∣ny⟩⟨ny∣∣ is needed to single out one chain out of the stack.\r\n\r\n\r\nThe (2tcosk+μ) needs to be (2t cos(k_x)+μ)\r\n\r\n\r\n"}}