{"id":209800,"date":"2025-03-26T14:11:25","date_gmt":"2025-03-26T19:11:25","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/03\/evidence-of-a-new-phenomenon-quantum-tornadoes-in-momentum-space"},"modified":"2025-03-26T14:11:25","modified_gmt":"2025-03-26T19:11:25","slug":"evidence-of-a-new-phenomenon-quantum-tornadoes-in-momentum-space","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/03\/evidence-of-a-new-phenomenon-quantum-tornadoes-in-momentum-space","title":{"rendered":"Evidence of a new phenomenon: Quantum tornadoes in momentum space"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/evidence-of-a-new-phenomenon-quantum-tornadoes-in-momentum-space.jpg\"><\/a><\/p>\n<p>To detect the quantum tornado in momentum space, the W\u00fcrzburg team enhanced a well-known technique called ARPES (angle-resolved photoemission spectroscopy). \u201cARPES is a fundamental tool in experimental solid-state physics. It involves shining light on a material sample, extracting electrons, and measuring their energy and exit angle. This gives us a direct look at a material\u2019s electronic structure in momentum space,\u201d explains \u00dcnzelmann. \u201cBy cleverly adapting this method, we were able to measure orbital angular momentum. I\u2019ve been working with this approach since my dissertation.\u201d<\/p>\n<p>ARPES is rooted in the photoelectric effect, first described by Albert Einstein and taught in high school physics. \u00dcnzelmann had already refined the method in 2021, gaining international recognition for detecting orbital monopoles in tantalum arsenide. Now, by integrating a form of quantum tomography, the team has taken the technique a step further to detect the quantum tornado \u2014 another major milestone. \u201cWe analyzed the sample layer by layer, similar to how medical tomography works. By stitching together individual images, we were able to reconstruct the three-dimensional structure of the orbital angular momentum and confirm that electrons form vortices in momentum space,\u201d \u00dcnzelmann explains.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To detect the quantum tornado in momentum space, the W\u00fcrzburg team enhanced a well-known technique called ARPES (angle-resolved photoemission spectroscopy). \u201cARPES is a fundamental tool in experimental solid-state physics. It involves shining light on a material sample, extracting electrons, and measuring their energy and exit angle. This gives us a direct look at a material\u2019s [\u2026]<\/p>\n","protected":false},"author":707,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,32,1617],"tags":[],"class_list":["post-209800","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-education","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/209800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/707"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=209800"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/209800\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=209800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=209800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=209800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}