{"id":174465,"date":"2023-10-20T02:55:36","date_gmt":"2023-10-20T07:55:36","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/10\/researchers-use-measurements-to-generate-quantum-entanglement-and-teleportation"},"modified":"2023-10-20T02:55:36","modified_gmt":"2023-10-20T07:55:36","slug":"researchers-use-measurements-to-generate-quantum-entanglement-and-teleportation","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/10\/researchers-use-measurements-to-generate-quantum-entanglement-and-teleportation","title":{"rendered":"Researchers use measurements to generate quantum entanglement and teleportation"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/researchers-use-measurements-to-generate-quantum-entanglement-and-teleportation.jpg\"><\/a><\/p>\n<p>Quantum mechanics is full of weird phenomena, but perhaps none as weird as the role measurement plays in the theory. Since a measurement tends to destroy the \u201cquantumness\u201d of a system, it seems to be the mysterious link between the quantum and classical world. And in a large system of quantum bits of information, known as \u201cqubits,\u201d the effect of measurements can induce dramatically new behavior, even driving the emergence of entirely new phases of quantum information.<\/p>\n<p>This happens when two competing effects come to a head: interactions and measurement. In a quantum system, when the qubits interact with one another, their information becomes shared nonlocally in an \u201centangled state.\u201d But if you measure the system, the <a href=\"https:\/\/phys.org\/tags\/entanglement\/\" rel=\"tag\" class=\"\">entanglement<\/a> is destroyed. The battle between measurement and interactions leads to two <a href=\"https:\/\/phys.org\/tags\/distinct+phases\/\" rel=\"tag\" class=\"\">distinct phases<\/a>: one where interactions dominate and entanglement is widespread, and one where measurements dominate, and entanglement is suppressed.<\/p>\n<p>As <a href=\"https:\/\/www.nature.com\/articles\/s41586-023-06505-7\">reported<\/a> in the journal <i>Nature<\/i>, researchers at Google Quantum AI and Stanford University have observed the crossover between these two regimes\u2014known as a \u201cmeasurement-induced phase transition\u201d\u2014in a system of up to 70 qubits. This is by far the largest system in which measurement-induced effects have been explored.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quantum mechanics is full of weird phenomena, but perhaps none as weird as the role measurement plays in the theory. Since a measurement tends to destroy the \u201cquantumness\u201d of a system, it seems to be the mysterious link between the quantum and classical world. And in a large system of quantum bits of information, known [\u2026]<\/p>\n","protected":false},"author":511,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617,6],"tags":[],"class_list":["post-174465","post","type-post","status-publish","format-standard","hentry","category-quantum-physics","category-robotics-ai"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/174465","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\/511"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=174465"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/174465\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=174465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=174465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=174465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}