{"id":17330,"date":"2017-07-02T15:01:50","date_gmt":"2017-07-02T12:01:50","guid":{"rendered":"https:\/\/hgpu.org\/?p=17330"},"modified":"2017-07-02T15:01:50","modified_gmt":"2017-07-02T12:01:50","slug":"deep-neural-networks-for-direct-featureless-learning-through-observation-the-case-of-2d-spin-models","status":"publish","type":"post","link":"https:\/\/hgpu.org\/?p=17330","title":{"rendered":"Deep neural networks for direct, featureless learning through observation: the case of 2d spin models"},"content":{"rendered":"<p>We train a deep convolutional neural network to accurately predict the energies and magnetizations of Ising model configurations, using both the traditional nearest-neighbour Hamiltonian, as well as a long-range screened Coulomb Hamiltonian. We demonstrate the capability of a convolutional deep neural network in predicting the nearest-neighbour energy of the 4&#215;4 Ising model. Using its success at this task, we motivate the study of the larger 8&#215;8 Ising model, showing that the deep neural network can learn the nearest-neighbour Ising Hamiltonian after only seeing a vanishingly small fraction of configuration space. Additionally, we show that the neural network has learned both the energy and magnetization operators with sufficient accuracy to replicate the low-temperature Ising phase transition. Finally, we teach the convolutional deep neural network to accurately predict a long-range interaction through a screened Coulomb Hamiltonian. In this case, the benefits of the neural network become apparent; it is able to make predictions with a high degree of accuracy, 1600 times faster than a CUDA-optimized &quot;exact&quot; calculation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We train a deep convolutional neural network to accurately predict the energies and magnetizations of Ising model configurations, using both the traditional nearest-neighbour Hamiltonian, as well as a long-range screened Coulomb Hamiltonian. We demonstrate the capability of a convolutional deep neural network in predicting the nearest-neighbour energy of the 4&#215;4 Ising model. Using its success [&hellip;]<\/p>\n","protected":false},"author":351,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[89,3,12],"tags":[196,14,1673,71,166,34,20,535,1783,1543],"class_list":["post-17330","post","type-post","status-publish","format-standard","hentry","category-nvidia-cuda","category-paper","category-physics","tag-condensed-matter","tag-cuda","tag-deep-learning","tag-ising-model","tag-materials-science","tag-neural-networks","tag-nvidia","tag-phase-transition","tag-physics","tag-tesla-k40"],"views":2936,"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/hgpu.org\/index.php?rest_route=\/wp\/v2\/posts\/17330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hgpu.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hgpu.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hgpu.org\/index.php?rest_route=\/wp\/v2\/users\/351"}],"replies":[{"embeddable":true,"href":"https:\/\/hgpu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17330"}],"version-history":[{"count":0,"href":"https:\/\/hgpu.org\/index.php?rest_route=\/wp\/v2\/posts\/17330\/revisions"}],"wp:attachment":[{"href":"https:\/\/hgpu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hgpu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hgpu.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}